\nLaser scanning is an important tool in cultural heritage for documenting the state of archaeological monuments. The data produced by laser scanning is ever increasing, with the latest generation of laser scanners generating a billion of points in one measurement pass. To colorize the laser scans, additional photographs are taken. Managing these huge amounts of data in terms of size is a challenge on its own, but also to ensure the quality of the resulting point-based models is of utmost importance for the further development of laser scanning as a standard technique in cultural heritage. We identified three topics that can drive forward the integration of laser scanning in the everyday work of archaeologists.\n\n
\nThe first topic is the recoloring of point clouds that are combined from several different scan positions. The photographs taken at the different scan positions all exhibit different colorizations of the objects in the scene, as the lighting conditions usually vary from scan position to scan position. We want to develop methods that can provide an artifact free colorized model, independent of the lighting conditions that prevailed during laser scanning. The second topic deals with the management of large point clouds. It incorporates compression of the point cloud data, where the data shall nevertheless remain editable, and the display of large data. Several compression techniques for different point attributes, lossless as well as lossy compression, and fitting points to higher order primitives will be used for compression depending on the further use of the data. To display the data, an eye-tracker can be used to increase the visual experience of the user. The third topic deals with the distribution of data over a network, and navigating through the data, so that users can get access to large point-based models of cultural heritage sites with intuitive navigation capabilities.\n
\nCultural Heritage is a growing market that needs intensive support from enabling technologies like real-time computer graphics and 3D object reconstruction. Especially the preservation and presentation of archaeological or historical items (architecture, artifacts) are of high importance there. Austria is well known in the tourism industry because of its cultural values. Preserving and presenting such cultural values not only physically but also in digital form, will help to distribute these values also using new media channels to the broad public.\nAny improvement of the technology that helps to preserve cultural items and allows presenting such items and scientific findings to a large audience will improve the value of these cultural items and in the same way boost the tourism industry.\n
\nEspecially in Austria there is a huge \"creative industries\" community, small and medium companies working on innovative presentations of cultural goods. Especially these companies will profit from the technology that will be developed in this project. One of these \"creative industries\" companies is Imagination, partner in this project and pioneer in cultural heritage presentations and preservation software.", "start_date": "2010-01-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:TERAPOINTS", "type": "image/png", "size": 1100956, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/TERAPOINTS/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "FFF", "contract_number": "825842", "comment": "FIT-IT Visual Computing" } ], "research_areas": [ "Geometry", "Rendering" ], "publications": [ "arikan-2013-osn", "arikan-thesis", "Hebart-2011-ColorAdjustment", "leimer-2013-esopc", "marek-2011-normalest", "mayer_2011_cipa", "Mayer-2010-VT", "mazza-2012-bakk", "preiner_2012_AS", "preiner11IR", "probst_kolesik_2010_pk10", "scheiblauer-2011-cag", "scheiblauer-2011-chnt", "scheiblauer-2012-chnt", "scheiblauer-2013-wscg", "SCHEIBLAUER-2015-WFC", "scheiblauer-thesis", "TR-186-2-12-01", "Tragust-2012-GMHPC", "Tragust-2014-master-thesis", "trumpf_stefan_2012" ], "url": "https://www.cg.tuwien.ac.at/research/projects/TERAPOINTS", "__class": "Project" }, { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2012/preiner_2012_AS/", "__class": "Publication" }, { "id": "Nuernberg-2011-CBO", "type_id": "masterthesis", "tu_id": null, "repositum_id": null, "title": "Cell-Based Object Representation", "date": "2011-06", "abstract": "Today's real-time applications, such as computer games or virtual environments,\r\nneed to display more and more geometrically complex surfaces. The appearance\r\nof such surfaces are achieved by local parallax, correct occlusions, convincing\r\nsilhouettes and even by sophisticated effects such as self-reflection, refraction,\r\ntranslucency, self-shadowing and caustics to name a few. Hence simple texturing\r\nmapping is insufficient to produce such high geometric complexity.\r\nThis thesis proposes a cell-based approach to model and render repetitive fine\r\nscaled details with a high visual quality. The main idea of the precomputation is\r\nto decompose the object into a low frequent geometry (the general shape of the\r\nobject) and high frequent surface details. The high frequent surface details are\r\nrepresented by so-called cells tiled all over the object space. The precomputed\r\ncell-based object representation is displayed by a ray tracer providing correct\r\nparallax, occlusions and silhouettes. This thesis proves that sophisticated effects\r\nsuch as specular self-reflection and refraction can easily be rendered with the\r\ncell-based approach.", "authors_et_al": false, "substitute": null, "main_image": { "description": "", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1151, "image_height": 437, "name": "Nuernberg-2011-CBO-image.jpg", "type": "image/jpeg", "size": 184179, "path": "Publication:Nuernberg-2011-CBO", "url": "https://www.cg.tuwien.ac.at/research/publications/2011/Nuernberg-2011-CBO/Nuernberg-2011-CBO-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2011/Nuernberg-2011-CBO/Nuernberg-2011-CBO-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 777, "drupal_id": null, "orcid_id": null, "website": null, "firstname": "Marcel", "lastname": "Nürnberg", "searchname": "Marcel Nürnberg", "is_teacher": false, "name": "Marcel Nürnberg", "publications": [ "Nuernberg-2011-CBO" ], "publications_first": [], "project_leader": [], "publication_field": [], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=777", "__class": "Author" } ], "date_start": "2009-02-18", "matrikelnr": "0425202", "supervisor": [ { "id": 193, "drupal_id": 49, "orcid_id": "0000-0002-9370-2663", "website": "https://www.cg.tuwien.ac.at/staff/MichaelWimmer", "firstname": "Michael", "lastname": "Wimmer", "searchname": "Michael Wimmer", "is_teacher": true, "name": "Michael Wimmer", "publications": [ "arikan-2013-osn", "arikan-2014-pcvis", "arikan-2015-dmrt", "Arleo-2019-vis", "Artusi-2003-Del", "Auzinger_2012_GeigerCam", "Auzinger_2013_AnaVis", "Auzinger_2013_NSAA", "Auzinger_2013_SAR", "Auzinger_Mistelbauer_2013_CSR", "bagar2010", "bernhard-2010-gph", "bernhard-2011-bmtf", "bernhard-2011-maicg", "bernhard-2014-EFD", "bernhard-2014-GTOM", "birsak-2013-sta", "birsak-2014-agtb", "birsak-2017-dpe", "Bittner-2001-Vis", "Bittner-2004-CHC", "bittner-2005-egsr", "BITTNER-2009-AGVS", "BITTNER-2009-GEFOC", "bittner-2011-scc", "BOKSANSKY-2019-RTS", "brugger-2020-tdp", "CADIK-2006-IAQ", "CADIK-2008-EHD", "cardoso-2021-cost", "cardoso-2022-rtpercept", "cardoso-2024-r-c", "celarek_adam-2019-qelta", "celarek-2022-gmcn", "celarek-2025-d3g", "CHARALAMBOS-2007-HLOD", "CORNEL-2017-FRS", "CORNEL-2019-IVF", "dataset-viennacity", "ecormier-nocca-2025-sls", "eibens-2021-tsgpmg", "EISEMANN-2011-RTS", "EISEMANN-2012-ERT", "EISEMANN-2013-ERT", "erler_2024_ppsurf", "erler-2020-p2s", "erler-2025-lidarscout", "fink-2012-cg1", "fink-2013-cag", "freude_2020_rs", "freude-2023-prh", "freude-2023-sem", "freude-2025-iso", "freude-2025-ras", "Fritz-2012", "GIEGL-2006-QVS", "GIEGL-2007-FVS", "GIEGL-2007-QV1", "GIEGL-2007-UNP", "gilmutdinov-2022-aomlbwug", "GRELAUD-2009-EPA", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_08_SSH", "Habel_09_PGT", "Habel_2007_IAG", "Habel_2007_RTT", "Habel_2012_PSP", "Habel_LSN_2011", "Habel-2010-EIN", "hafner-2015-onff", "hecher-2014-MH", "HECHER-2017-HDY", "Honic_2021", "honic-2020-w78", "HU-2017-ETM", "Ilcik_2015_LAY", "ilcik-2010-ps", "ilcik-2011-pmous", "ilcik-2013-cipmi", "ilcik-2016-cescg", "ilcik-2016-cmssg", "JAHRMANN-2013-IGR", "JAHRMANN-2017-RRTG", "jeschke-05-AIP", "jeschke-05-ISTAR", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "Jimenez_SSS_2015", "Kathi-2018-VRB", "kerbl-2020-improvencoding", "kerbl-2022-trienc", "kerbl-2024-ah3", "klaffenboeck-2024-rva", "knecht_martin_2010_DIR", "knecht_martin_2012_BRDFEstimation", "knecht_martin_2012_RSMR", "knecht_martin_2013_ReflRefrObjsMR", "knecht_martin-2011-FPSPAR", "knecht-2011-CBCM", "KOCH-2021-GVS", "koenigsberger-2024-msu", "kovacs-2023-ttm", "KREUZER-2015-DPA", "kristmann-2026-vtc", "Kroesl_2020_11_09", "kroesl-2017-LiteMaker", "kroesl-2018-TVS", "kroesl-2019-ICthroughVR", "kroesl-2020-XREye", "leimer_2017_rbpesc", "leimer-2016-rpe", "LIPP-2008-IEV", "LIPP-2009-PGL", "LIPP-2009-PGL2", "LIPP-2010-PGMS", "lipp-2024-val", "lipp2011a", "luidolt-2020-lightperceptionVR", "luksch_2020", "LUKSCH-2013-FLM", "LUKSCH-2014-RTR", "LUKSCH-2019-IGI", "MANTLER-2007-DMBBC", "marin-2022-sig", "marin-2022-sigdt", "marin-2023-pic", "marin-2024-dsr", "marin-2024-pcp", "marin-2024-rcf", "marin-2024-sing", "marin-2026-sor", "matt2011", "MATTAUSCH-2006-AVC", "MATTAUSCH-2007-OSP", "mattausch-2008-CHC", "mattausch-2010-tao", "MATTAUSCH-2012-EOV", "MATTAUSCH-2012-TIS", "MATTAUSCH-2013-FSBE", "MATTAUSCH-2015-CHCRT", "murturi_PGG", "musialski_2016_sosp", "musialski-2012-icb", "musialski-2012-sur", "Musialski-2013-ipmum", "musialski-2013-surcgf", "musialski-2015-souos", "ohrhallinger_stefan-2013-smi", "ohrhallinger_stefan-2018-cgf", "ohrhallinger_stefan-2018-pg", "ohrhallinger-2016-sgp", "OTEPKA-2020-PPC", "panfili-2021-myop", "pistellato-2023-elp", "preiner_2010_GIPC", "preiner_2012_AS", "Preiner_2019", "preiner2014clop", "PUEYO-2019-SCL", "PURGATHOFER-2006-IHB", "Radwan_2021_Occ", "Radwan-2014-CDR", "Radwan-2017-Occ", "rasoulzadeh-2022-strokes2surface", "rasoulzadeh-2023-ani", "rasoulzadeh-2024-strokes2surface", "rasoulzadeh-2025-archcomplete", "reisinger-2023-iad", "ROEGNER-2015-IBR", "roth_vdi", "sakai-2021-eif", "sakai-2024-asa", "sakai-2025-stater", "santos-2017-dacge", "schedl-2012-dof", "schedl-2013-gP4", "SCHEIBLAUER-2009-IDCE", "scheiblauer-2011-cag", "scheiblauer-2012-chnt", "scheiblauer-2013-wscg", "SCHEIBLAUER-2015-WFC", "scherzer_2010a", "Scherzer-2007-PCS", "SCHERZER-2008-FSR", "scherzer-2009-isvc", "SCHERZER-2012-TCM", "scherzer-eg2010", "scherzer2011c", "scherzer2011d", "SCHUETZ-2015-HQP", "schuetz-2018-PPC", "schuetz-2019-CLOD", "schuetz-2019-LCO", "SCHUETZ-2019-PCC", "SCHUETZ-2020-MPC", "schuetz-2020-PPC", "SCHUETZ-2021-PCC", "SCHUETZ-2022-PCC", "SCHUETZ-2023-LOD", "SCHUETZ-2024-SIMLOD", "schuetz-2025-splatshop", "SCHWAERZLER-2012-FAS", "SCHWAERZLER-2013-FPCSS", "SCHWAERZLER-2017-SBGM", "SSMW09", "stappen_SteFAS", "steiner_2016_isad", "STEINLECHNER-2019-APS", "STURN-2013-LGI", "STURN-2013-LSI", "SUNDSTEDT-2008-ASF", "sundstedt-2013-vag", "TR 193-02-2019-4", "TR 193-2-2019-4", "TR-186-2-02-04", "TR-186-2-07-01", "TR-186-2-07-09", "TR-186-2-12-01", "ulschmid-2024-reo", "ulschmid-2025-apc", "ulschmid-2026-naadf", "unterguggenberger-2020-fmvr", "unterguggenberger-2021-msh", "unterguggenberger-2022-vulkan", "unterguggenberger-2023-vaw", "unterguggenberger-2024-fropo", "wallner-2015-ModelingRoutinization", "WEBER-2015-PRA", "Wimmer-1996-ITB", "Wimmer-1997-ITT", "Wimmer-1998-Fas", "Wimmer-1998-SMO", "Wimmer-1999-FWIa", "Wimmer-1999-FWIb", "Wimmer-2001-CCL", "Wimmer-2001-PBI", "Wimmer-2001-Poi", "Wimmer-2003-RTE", "Wimmer-2004-LSPM", "Wimmer-2005-HOQ", "Wimmer-2006", "WIMMER-2006-CES", "WIMMER-2006-DWN", "WIMMER-2006-IP", "WIMMER-2006-PSM", "WIMMER-2006-SIV", "WIMMER-2007-GAR", "WIMMER-2007-RTR", "WIMMER-2008-ART", "WIMMER-2008-CAR", "WIMMER-2008-PVR", "WIMMER-2009-ARTR", "WIMMER-2009-ARTR2", "WIMMER-2009-ARTR3", "WIMMER-2009-CSR", "WIMMER-2009-ITC", "WIMMER-2009-VCCG", "WIMMER-2014-DWNT", "WIMMER-2015-CGFC", "WIMMER-2015-CGMC", "WIMMER-2016-FUTURIS", "WIMMER-2016-HARVEST4D", "WIMMER-2019-CGSG", "WIMMER-2020-ASG", "wimmer-2022-acd", "wimmer-2023-acd", "Wimmer-thesis", "wonka-2000-VisP", "wonka-2000-VisX", "Wonka-2001-Ins", "Wonka-2001-IV", "Wonka-2003-Ins", "WONKA-2006-GVS", "xmas-2023", "ymca", "ZOTTI-2016-VAA", "ZOTTI-2017-BM", "ZOTTI-2017-TSP", "zsolnai-2018-gms", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "publications_first": [], "project_leader": [ "3DSpatialization", "CROSSMOD", "d10070", "d10169", "d4307", "d4314", "d4342", "d4386", "d4559", "d4729", "d4958", "d4984", "d9259", "Desiree", "EVOCATION", "GameTools", "GAMEWORLD", "GPV", "Harvest4D", "INTRA-SPACE", "Landspotting", "Mofa", "OpenData", "PAMINA", "PathSpace", "Photo-Guide", "REPLICATE", "Scanopy", "SCI_BIM", "ShapeAcquisition", "TERAPOINTS", "Treelumination", "UrbanViz", "Wohnen 4.0" ], "publication_field": [ { "publ_id": "ADORJAN-2013-ASE", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Adorjan-2015", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "agyemang-2021-bsdfproxyppg", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "aichner-2016-sadf", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "akan-vf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Ams25", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "antes_sebastian-2026-msc", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "antes-g", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "arikan-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "ASCHL-2022-OTV", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "AUER-2010-PPT3D", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "ausserer-2026-baa", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "auzinger-2015-phd", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "auzinger-2015-phd", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "auzinger-dissertation", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "auzinger-dissertation", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BAGAR-2010-LPB", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "balvan-g", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "balvan-rsf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BARSUKOV-2010-NEPC", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "bauchinger-2007-mre", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Bauer_Dominik_2018_VR", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BAUER-2009-AFSS", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BAUER-2024-PWG", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BAUER-2025-PCW", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "bayer_bernhard-2026-baa", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "BEHAM-2014-RCR", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "beleznai_csaba-2025-pr", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Bernhard_Matthias_2014_VAC", "field_id": "reviewer_1", "ordernum": 0 }, { "publ_id": "Bernhard_Matthias_2014_VAC", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Birsak-Michael-2012", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "birsak-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Bittner-2004-CHC", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "bodzenta-2026-baa", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Bogner-2008-MTh", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "BORZA-2012-Stellarium", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "brandmair-2024-bind", "field_id": "supervisor", 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In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2011/Nuernberg-2011-CBO/", "__class": "Publication" }, { "id": "jeschke-2011-est", "type_id": "journalpaper", "tu_id": null, "repositum_id": null, "title": "Estimating Color and Texture Parameters for Vector Graphics", "date": "2011-04", "abstract": "Diffusion curves are a powerful vector graphic representation that stores an image as a set of 2D Bezier curves with colors defined on either side. These colors are diffused over the image plane, resulting in smooth color regions\nas well as sharp boundaries. In this paper, we introduce a new automatic diffusion curve coloring algorithm. We\nstart by defining a geometric heuristic for the maximum density of color control points along the image curves.\nFollowing this, we present a new algorithm to set the colors of these points so that the resulting diffused image is as close as possible to a source image in a least squares sense. We compare our coloring solution to the existing one which fails for textured regions, small features, and inaccurately placed curves. The second contribution of the paper is to extend the diffusion curve representation to include texture details based on Gabor noise. Like the curves themselves, the defined texture is resolution independent, and represented compactly. We define methods to automatically make an initial guess for the noise texure, and we provide intuitive manual controls to edit the parameters of the Gabor noise. Finally, we show that the diffusion curve representation itself extends to storing any number of attributes in an image, and we demonstrate this functionality with image stippling an hatching\napplications.", "authors_et_al": false, "substitute": null, "main_image": { "description": null, "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1609, "image_height": 651, "name": "jeschke-2011-est-image.jpg", "type": "image/jpeg", "size": 335306, "path": "Publication:jeschke-2011-est", "url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-est/jeschke-2011-est-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-est/jeschke-2011-est-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 356, "drupal_id": 306, "orcid_id": null, "website": 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"Karnik-2010-routevis" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "cline-09-poisson", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=809", "__class": "Author" }, { "id": 194, "drupal_id": 68, "orcid_id": "0000-0003-0627-9746", "website": "https://www.cg.tuwien.ac.at/staff/PeterWonka", "firstname": "Peter", "lastname": "Wonka", "searchname": "Peter Wonka", "is_teacher": false, "name": "Peter Wonka", "publications": [ "bhagvat-09-frusta", "birsak-2014-agtb", "birsak-2017-dpe", "Birsak2018-SA", "Bittner-2001-Vis", "Bittner-2003-VCG", "Bittner-2003-Vis", "bittner-2005-egsr", "BITTNER-2009-AGVS", "cline-09-poisson", "dataset-viennacity", "fan-2014-scfl", "gilmutdinov-2022-aomlbwug", "Guerrero-2014-GRF", "guerrero-2015-lsp", "HECHER-2017-HDY", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2011-est", "karnik-09-shapegrammar", "Karnik-2010-routevis", "LIPP-2008-IEV", "LIPP-2009-PGL", "LIPP-2009-PGL2", "LIPP-2010-PGMS", "lipp2011a", "liu-2012-tcvd", "MATTAUSCH-2007-OSP", "musialski_2012_fice", "musialski-2009-sbfr", "musialski-2010-tof", "musialski-2012-icb", "musialski-2012-sur", "musialski-2013-surcgf", "nguyen_2020-covid", "Wimmer-2001-PBI", "Wimmer-2001-Poi", "Wimmer-2003-RTE", "Wonka-1998-O2", "Wonka-1998-Ray", "Wonka-1999-Occ", "wonka-2000-VisP", "wonka-2000-VisX", "Wonka-2001-Ins", "Wonka-2001-IV", "Wonka-2003-Ins", "WONKA-2006-GVS", "Wonka-thesis", "zsolnai-2018-gms", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "birsak-thesis", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "Guerrero_Paul_2014_EPG", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "HUMMEL-2001-MSE", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2023-ecd", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "lipp_markus-2010-DAC", 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"publications": [ "arikan-2014-pcvis", "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "bhagvat-09-frusta", "cline-09-poisson", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_2007_IAG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "jeschke-09-solver", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "jeschke-2011-xMasCard", "karnik-09-shapegrammar", "Karnik-2010-routevis", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "preiner_2012_AS", "Scherzer-2007-PCS", "TR-186-2-02-04", "TR-186-2-07-01" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "auzinger-dissertation", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "auzinger-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": 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major, long-standing challenge in computer graphics that can be divided into two major subfields. Real-time rendering refers to the real-time synthesis of images on commodity graphics hardware to facilitate interaction for visualizations or computer games. The field of physically based rendering focuses on algorithms that accurately simulate the physics of light for use in the movie industry, architectural visualizations, etc. Compared to real-time rendering methods, these algorithms generally require a considerable amount of time (i.e., hours up to days) to generate acceptable results.\n\nIn the context of real-time rendering, our work revolves around the development of algorithms to achieve higher visual quality. Furthermore, we work on techniques to accelerate physically based rendering algorithms to make them viable for interactive rendering. Another aspect of our research work revolves around tools that facilitate the work of content creators.", "website": "https://www.cg.tuwien.ac.at/research/area/Rendering", "teaser": { "name": "teaser.png", "path": "research_area:Rendering", "type": "image/png", "size": 5244928, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Rendering/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "2011scherzerE", "2018_Mautner_Praktikum", "Adorjan-2015", "agyemang-2021-bsdfproxyppg", "Ams25", "antes-g", "arikan-2014-pcvis", "arikan-2015-dmrt", "Artusi-2003-Del", "ASCHL-2022-OTV", "Auzinger_2012_AAA", "Auzinger_2012_GeigerCam", "Auzinger_2013_AnaVis", "Auzinger_2013_NSAA", "Auzinger_2013_SAR", "Auzinger_2014_DCGI", "Auzinger_2014_UJA", "Auzinger-2015-IST", "bagar2010", "balvan-g", "Bauer_Dominik_2018_VR", "BAUER-2024-PWG", "BAUER-2025-PCW", "bernhard-2011-bmtf", 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"FRAISS-2017-PCU", "FRAISS-2022-CGMM", "freude_2020_rs", "FREUDE-2015-phd", "freude-2023-prh", "freude-2023-sem", "freude-2025-iso", "freude-2025-ras", "GAMPER-2018-OSG", "GANTNER-2018-ARO", "GANTNER-2019-CRS", "gersthofer_2017_COP", "geyer-2018-apbf", "GIEGL-2006-QVS", "GIEGL-2007-FVS", "GIEGL-2007-QV1", "GIEGL-2007-UNP", "gilmutdinov-2022-aomlbwug", "glanz-2017-pbrcomparison", "goel-2024-rdr", "gramegna-rfr", "GRELAUD-2009-EPA", "GRIESHOFER-2018-GOS", "Grisenti-2026-HSHPG", "Groeller_2016_P3", "Grossfurtner-2023-paego", "Gruber2019", "guerrero-2008-sli", "Habel_07_xms", "Habel_08_SSH", "Habel_09_PGT", "Habel_2007_IAG", "Habel_2007_RTT", "Habel_2009_PhD", "Habel_2012_PSP", "Habel_LSN_2011", "Habel_RAV_2010", "Habel-09-RAT", "Habel-09-THB", "Habel-2010-EIN", "HAFNER-2015-FEM", "HANN_2022_IPT", "hasbay-2026-tfo", "havran-2005-egsr", "havran-2005-sccg", "havran-2006-tut", "hecher-2012-MH", "hecher-2014-MH", "heinz-2019-psi", "hladky-2022-QS", "hofer_kerstin-2023-sketch2model", 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"KOCH-2021-GVS", "KOCH-2021-GVSDA", "KOEPPEL-2025-Nearfield", "Koeppl-2023-DLO", "Komon2022", "Konev-FCV2018", "Kovacs_2017", "kovacs-2025-pf", "KREUZER-2015-DPA", "KREUZER-2017-PBF", "kristmann-2022-occ", "kristmann-2023-vkl", "KRISTMANN-24-JPG", "kroesl-2017-LiteMaker", "kroesl-2018-DC", "kroesl-2018-TVS", "kroesl-2019-ICthroughVR", "kroesl-2019-ThesisFF", "KROESL-2020-SVI", "kroesl-2020-XREye", "KUE11", "Kugler-2021", "Lan25", "leopold-2019-vox", "Liang-2023-TVR", "lipp-2019-rtxq3", "LIPP-2020-PHD", "lipp-2024-val", "Luidolt-2020-DA", "luidolt-2020-lightperceptionVR", "luksch_2020", "LUKSCH-2013-FLM", "LUKSCH-2014-RTR", "LUKSCH-2019-IGI", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "matt2011", "MATTAUSCH-2006-AVC", "mattausch-2007-iav", "MATTAUSCH-2007-OSP", "mattausch-2008-CHC", "mattausch-2010-tao", "mattausch-2010-var", "Mattausch-2010-vcr", "MATTAUSCH-2012-EOV", "MATTAUSCH-2012-TIS", "MATTAUSCH-2013-FSBE", "MATTAUSCH-2015-CHCRT", "Mazza_2021_05", "Meier_2024_WIALT", "MEINDL-2015-OSR", "metzger-2024-smv", "mindek-2017-marion", "mindek-xmas-card-2016", "murturi_PGG", "muth-2026-clouds", "neumann-2006-gamma", "OPPITZ-2017-3DM", "oppitz-2023-ais", "OPPTIZ-2018-IVRL", "OTEPKA-2020-PPC", "ott-rgi", "ott-va", "panfili-2019-VAVR", "panfili-2021-myop", "PB-VRVis-2018-005", "pegrisch_2018_uvs", "PERNDORFER-2015-ECS", "pernsteiner-2022-msh", "pernsteinre_jakob_2020_eechc", "PETER-2023-PSW", "pichler_2022_fro", "pirraku-f", "pistellato-2023-elp", "pogrzebacz-2023-vkl", "pointner_michael-2017-baa", "preiner_2010_GIPC", "preiner_2017_phd", "preiner11IR", "preissegger-2025-vrh", "Preymann-2022-pytamashii", "probst-2023-para", "prost-2016-molecule", "PROST-2017-RTL", "PROST-2019-RTPAL", "Przemyslaw_Gora_2016_UVU", "purgathofer-2004-real", "purgathofer-2004-some", "Purgathofer-2005-Ros", "Purgathofer-2005-Tub", "Purgathofer-2006-VRVis", "radax-2008-ir", "Rainer_2017", "Rait2022", "Reisner_Irene_2013_R3D", "reznicek-2020-fpgaray", "ROEGNER-2014-TUI", 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The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. 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These colors are diffused over the image plane, resulting in smooth color regions as well as sharp boundaries. In this paper, we introduce a new automatic diffusion curve coloring algorithm. We\r\nstart by defining a geometric heuristic for the maximum density of color control points along the image curves.\r\nFollowing this, we present a new algorithm to set the colors of these points so that the resulting diffused image is as close as possible to a source image in a least squares sense. We compare our coloring solution to the existing one which fails for textured regions, small features, and inaccurately placed curves. The second contribution of the paper is to extend the diffusion curve representation to include texture details based on Gabor noise. Like the curves themselves, the defined texture is resolution independent, and represented compactly. We define methods to automatically make an initial guess for the noise texure, and we provide intuitive manual controls to edit the parameters of the Gabor noise. Finally, we show that the diffusion curve representation itself extends to storing any number of attributes in an image, and we demonstrate this functionality with image stippling an hatching applications.", "authors_et_al": false, "substitute": null, "main_image": { "description": "", "filetitle": "", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1609, "image_height": 651, "name": "jeschke-2011-talkPrague-.jpg", "type": "image/jpeg", "size": 410716, "path": "Publication:jeschke-2011-talkPrague", "url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-talkPrague/jeschke-2011-talkPrague-.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-talkPrague/jeschke-2011-talkPrague-:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 356, "drupal_id": 306, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/StefanJeschke", "firstname": "Stefan", "lastname": "Jeschke", "searchname": "Stefan Jeschke", "is_teacher": false, "name": "Stefan Jeschke", "publications": [ "arikan-2014-pcvis", "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "bhagvat-09-frusta", "cline-09-poisson", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_2007_IAG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "jeschke-09-solver", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "jeschke-2011-xMasCard", "karnik-09-shapegrammar", "Karnik-2010-routevis", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "preiner_2012_AS", "Scherzer-2007-PCS", "TR-186-2-02-04", "TR-186-2-07-01" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "auzinger-dissertation", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "auzinger-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_PON", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_SKIN", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "G_P_06_RFS", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "guerrero-2008-dip", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "jeschke-05-AIP", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-rendering", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-solver", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-LEMA", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-TDMR", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "JESCHKE-2007-ISC", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-2011-est", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Mantler-06-landscape", "field_id": "lecturer", "ordernum": 1 }, { "publ_id": "Nuernberg-2011-CBO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "prieler_11_patchmatch", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Rudolf_06_IDM", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Selig_2005_WRO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "Selig-2007-VegAnim", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Spechtenhauser_Florian_2013_SIU", "field_id": "supervisor", "ordernum": 1 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=356", "__class": "Author" } ], "date_from": "2011-06-30", "date_to": "2011-06-30", "event": "Academy of Sciences of the Czech Republic in Prague", "location": "Prague (Czech Republic)", "research_areas": [], "keywords": [], "weblinks": [], "files": [ { "description": "", "filetitle": "", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1609, "image_height": 651, "name": "jeschke-2011-talkPrague-.jpg", "type": "image/jpeg", "size": 410716, "path": "Publication:jeschke-2011-talkPrague", "url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-talkPrague/jeschke-2011-talkPrague-.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2011/jeschke-2011-talkPrague/jeschke-2011-talkPrague-:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. 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Two papers form the theoretical foundation of this project: “Texture Optimization for Example-based Synthesis” by Kwatra et al [KEBK05] and “Patchmatch: A randomized Correspondence Algorithm for\r\nStructural Image Editing” by Barnes et al [BSFG09].", "authors_et_al": false, "substitute": null, "main_image": null, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 944, "drupal_id": null, "orcid_id": null, "website": null, "firstname": "Daniel", "lastname": "Prieler", "searchname": "Daniel Prieler", "is_teacher": false, "name": "Daniel Prieler", "publications": [ "prieler_11_patchmatch", "prieler_daniel-2013-da", "prieler_daniel-2013-pra" ], "publications_first": [], "project_leader": [], "publication_field": [], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=944", "__class": "Author" } ], "matrikelnr": "0726319", "supervisor": [ { "id": 356, "drupal_id": 306, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/StefanJeschke", "firstname": "Stefan", "lastname": "Jeschke", "searchname": "Stefan Jeschke", "is_teacher": false, "name": "Stefan Jeschke", "publications": [ "arikan-2014-pcvis", "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "bhagvat-09-frusta", "cline-09-poisson", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_2007_IAG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "jeschke-09-solver", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "jeschke-2011-xMasCard", "karnik-09-shapegrammar", "Karnik-2010-routevis", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "preiner_2012_AS", "Scherzer-2007-PCS", "TR-186-2-02-04", "TR-186-2-07-01" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "auzinger-dissertation", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "auzinger-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_PON", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_SKIN", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "G_P_06_RFS", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "guerrero-2008-dip", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "jeschke-05-AIP", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-rendering", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-solver", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-LEMA", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-TDMR", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "JESCHKE-2007-ISC", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-2011-est", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Mantler-06-landscape", "field_id": "lecturer", "ordernum": 1 }, { "publ_id": "Nuernberg-2011-CBO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "prieler_11_patchmatch", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Rudolf_06_IDM", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Selig_2005_WRO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "Selig-2007-VegAnim", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Spechtenhauser_Florian_2013_SIU", "field_id": "supervisor", "ordernum": 1 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=356", "__class": "Author" } ], "research_areas": [], "keywords": [ "Texture synthesis" ], "weblinks": [], "files": [ { "description": "written report about the project", "filetitle": "report", "main_file": false, "use_in_gallery": false, "access": "public", "name": "prieler_11_patchmatch-report.pdf", "type": "application/pdf", "size": 8338935, "path": "Publication:prieler_11_patchmatch", "url": "https://www.cg.tuwien.ac.at/research/publications/2011/prieler_11_patchmatch/prieler_11_patchmatch-report.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2011/prieler_11_patchmatch/prieler_11_patchmatch-report:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. 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The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2011/prieler_11_patchmatch/", "__class": "Publication" }, { "id": "jeschke-2010-diff", "type_id": "talk", "tu_id": null, "repositum_id": null, "title": "Rendering Diffusion Curves in 2 and 3 Dimensions", "date": "2010", "abstract": "Diffusion curve images (DCI) provide a powerful tool for efficient 2D image generation, storage and manipulation. A DCI consist of curves with colors defined on either side. By diffusing these colors over the image, the final result includes sharp boundaries along the curves with smoothly shaded regions between them.\nThe first part of the talk presents a new Laplacian surface solver for a stable rendering of DCIs. It consists of a robust rasterization technique to transform the algebraic curves to the discrete image domain, and a variable stencil size diffusion solver that solves the minimal surface problem. The solver is proven to converge to the right solution, it is at least as fast as commonly used multigrid solvers, but \nmuch simpler to implement, works for arbitrary image resolutions, as well as 8 bit data.\nThe second part of the talk extends the application of diffusion curves to render high quality surface details on 3D objects. The first extension is a view dependent warping technique that dynamically allocates more texture memory for details close to the observer. The second extension is a dynamic feature embedding technique that retains crisp, anti-aliased curve details even in extreme closeups. The third extension is the application of dynamic feature embedding to displacement mapping and geometry images. 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Real-time rendering refers to the real-time synthesis of images on commodity graphics hardware to facilitate interaction for visualizations or computer games. The field of physically based rendering focuses on algorithms that accurately simulate the physics of light for use in the movie industry, architectural visualizations, etc. Compared to real-time rendering methods, these algorithms generally require a considerable amount of time (i.e., hours up to days) to generate acceptable results.\n\nIn the context of real-time rendering, our work revolves around the development of algorithms to achieve higher visual quality. Furthermore, we work on techniques to accelerate physically based rendering algorithms to make them viable for interactive rendering. Another aspect of our research work revolves around tools that facilitate the work of content creators.", "website": "https://www.cg.tuwien.ac.at/research/area/Rendering", "teaser": { "name": "teaser.png", "path": "research_area:Rendering", "type": "image/png", "size": 5244928, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Rendering/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "2011scherzerE", "2018_Mautner_Praktikum", "Adorjan-2015", "agyemang-2021-bsdfproxyppg", "Ams25", "antes-g", "arikan-2014-pcvis", "arikan-2015-dmrt", "Artusi-2003-Del", "ASCHL-2022-OTV", "Auzinger_2012_AAA", "Auzinger_2012_GeigerCam", "Auzinger_2013_AnaVis", "Auzinger_2013_NSAA", "Auzinger_2013_SAR", "Auzinger_2014_DCGI", "Auzinger_2014_UJA", "Auzinger-2015-IST", "bagar2010", "balvan-g", "Bauer_Dominik_2018_VR", "BAUER-2024-PWG", "BAUER-2025-PCW", "bernhard-2011-bmtf", 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"FRAISS-2017-PCU", "FRAISS-2022-CGMM", "freude_2020_rs", "FREUDE-2015-phd", "freude-2023-prh", "freude-2023-sem", "freude-2025-iso", "freude-2025-ras", "GAMPER-2018-OSG", "GANTNER-2018-ARO", "GANTNER-2019-CRS", "gersthofer_2017_COP", "geyer-2018-apbf", "GIEGL-2006-QVS", "GIEGL-2007-FVS", "GIEGL-2007-QV1", "GIEGL-2007-UNP", "gilmutdinov-2022-aomlbwug", "glanz-2017-pbrcomparison", "goel-2024-rdr", "gramegna-rfr", "GRELAUD-2009-EPA", "GRIESHOFER-2018-GOS", "Grisenti-2026-HSHPG", "Groeller_2016_P3", "Grossfurtner-2023-paego", "Gruber2019", "guerrero-2008-sli", "Habel_07_xms", "Habel_08_SSH", "Habel_09_PGT", "Habel_2007_IAG", "Habel_2007_RTT", "Habel_2009_PhD", "Habel_2012_PSP", "Habel_LSN_2011", "Habel_RAV_2010", "Habel-09-RAT", "Habel-09-THB", "Habel-2010-EIN", "HAFNER-2015-FEM", "HANN_2022_IPT", "hasbay-2026-tfo", "havran-2005-egsr", "havran-2005-sccg", "havran-2006-tut", "hecher-2012-MH", "hecher-2014-MH", "heinz-2019-psi", "hladky-2022-QS", "hofer_kerstin-2023-sketch2model", "horvath_imp", "houska-2020-IPGM", "huber-2025-esl", "huerbe-2019-BA", "intel2016", "ioannis-2026-sro", "JAHRMANN-2013-IGR", "JAHRMANN-2015-GRASS", "JAHRMANN-2016-IGR", "JAHRMANN-2017-RRTG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "Jeschke-2002-LEMA", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "Jimenez_SSS_2015", "KAFKA-2014-19MRD", "Kathi-2018-VRB", "Keilman2022", "Kellner-2021-DA", "kendlbacher-2016", "kerbl_2019_planet_poster", "kerbl_2021_hdg", "kerbl-2020-improvencoding", "kerbl-2022-trienc", "kerbl-2024-ah3", "kimmersdorfer-2024-vcpr", "kimmersdorfer-fancyMaps-2023", "KLAUS-2020-PCC", "klein_2019_PHD", "klein_2019_PMP", "klein-2020-rtgi", "knecht_2013_RSM", "knecht_martin_2010_DIR", "knecht_martin_2012_BRDFEstimation", "knecht_martin_2012_RSMR", "knecht_martin_2013_ReflRefrObjsMR", "knecht_martin-2011-FPSPAR", "knecht-2007-ao", "knecht-2011-CBCM", "koch-2019-PR", "KOCH-2021-GVS", "KOCH-2021-GVSDA", "KOEPPEL-2025-Nearfield", "Koeppl-2023-DLO", "Komon2022", "Konev-FCV2018", "Kovacs_2017", "kovacs-2025-pf", "KREUZER-2015-DPA", "KREUZER-2017-PBF", "kristmann-2022-occ", "kristmann-2023-vkl", "KRISTMANN-24-JPG", "kroesl-2017-LiteMaker", "kroesl-2018-DC", "kroesl-2018-TVS", "kroesl-2019-ICthroughVR", "kroesl-2019-ThesisFF", "KROESL-2020-SVI", "kroesl-2020-XREye", "KUE11", "Kugler-2021", "Lan25", "leopold-2019-vox", "Liang-2023-TVR", "lipp-2019-rtxq3", "LIPP-2020-PHD", "lipp-2024-val", "Luidolt-2020-DA", "luidolt-2020-lightperceptionVR", "luksch_2020", "LUKSCH-2013-FLM", "LUKSCH-2014-RTR", "LUKSCH-2019-IGI", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "matt2011", "MATTAUSCH-2006-AVC", "mattausch-2007-iav", "MATTAUSCH-2007-OSP", "mattausch-2008-CHC", "mattausch-2010-tao", "mattausch-2010-var", "Mattausch-2010-vcr", "MATTAUSCH-2012-EOV", "MATTAUSCH-2012-TIS", "MATTAUSCH-2013-FSBE", "MATTAUSCH-2015-CHCRT", "Mazza_2021_05", "Meier_2024_WIALT", "MEINDL-2015-OSR", "metzger-2024-smv", "mindek-2017-marion", "mindek-xmas-card-2016", "murturi_PGG", "muth-2026-clouds", "neumann-2006-gamma", "OPPITZ-2017-3DM", "oppitz-2023-ais", "OPPTIZ-2018-IVRL", "OTEPKA-2020-PPC", "ott-rgi", "ott-va", "panfili-2019-VAVR", "panfili-2021-myop", "PB-VRVis-2018-005", "pegrisch_2018_uvs", "PERNDORFER-2015-ECS", "pernsteiner-2022-msh", "pernsteinre_jakob_2020_eechc", "PETER-2023-PSW", "pichler_2022_fro", "pirraku-f", "pistellato-2023-elp", "pogrzebacz-2023-vkl", "pointner_michael-2017-baa", "preiner_2010_GIPC", "preiner_2017_phd", "preiner11IR", "preissegger-2025-vrh", "Preymann-2022-pytamashii", "probst-2023-para", "prost-2016-molecule", "PROST-2017-RTL", "PROST-2019-RTPAL", "Przemyslaw_Gora_2016_UVU", "purgathofer-2004-real", "purgathofer-2004-some", "Purgathofer-2005-Ros", "Purgathofer-2005-Tub", "Purgathofer-2006-VRVis", "radax-2008-ir", "Rainer_2017", "Rait2022", "Reisner_Irene_2013_R3D", "reznicek-2020-fpgaray", "ROEGNER-2014-TUI", "ROEGNER-2015-IBR", "roth_2021_vdst", "roth_vdi", "roth-2023-vlk", "rumpelnik_martin_2020_PRM", "Rumpelnik_Martin-2020-NPR", "rumpler_2019_PPC", "Rumpler-2019-PPC", "RUMPLER-2021-VOGL", "SAKAI-2015-EAPI", "sakai-2021-eif", "sakai-2024-asa", "sakai-2025-stater", "sakai-thesis", "schedl-2012-dof", "schedl-2013-gP4", "SCHEIBLAUER-2015-WFC", "scherzer_2010a", "Scherzer-2007-PCS", "SCHERZER-2008-FSR", "scherzer-2009-isvc", "SCHERZER-2012-TCM", "scherzer-eg2010", "scherzer-thesis", "scherzer2010b", "scherzer2010d", "scherzer2010e", "scherzer2011c", "scherzer2011d", "SCHOBER-2006-IVSA", "SCHUETZ-2015-HQP", "SCHUETZ-2016-POT", "schuetz-2018-PPC", "schuetz-2019-CLOD", "schuetz-2019-LCO", "SCHUETZ-2019-PCC", "SCHUETZ-2020-MPC", "schuetz-2020-PPC", "SCHUETZ-2021-DISS", "SCHUETZ-2021-PCC", "SCHUETZ-2022-PCC", "SCHUETZ-2023-LOD", "SCHUETZ-2024-SIMLOD", "schuetz-2025-splatshop", "schuetz-mb", "schwaerzler_2018_phd", "SCHWAERZLER-2012-FAS", "SCHWAERZLER-2013-FPCSS", "Schwengerer_Mathias-2022-BGL", 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"weinzierl_heigl-2017-wh14", "werdermann-va", "WESSNER-2019-PCW", "wiesinger_2020_odpr", "wiesinger-2023-gcg", "Wilkie-2001-Ori", "Wilkie-2004-AMS", "wilkie-2006-dfs", "wilkie-2009-cc", "Wimmer-1999-FWIa", "Wimmer-1999-FWIb", "Wimmer-2001-Poi", "Wimmer-2003-RTE", "Wimmer-2004-LSPM", "Wimmer-2005-HOQ", "WIMMER-2006-PSM", "WIMMER-2006-SIV", "WIMMER-2007-GAR", "WIMMER-2007-RTR", "WIMMER-2008-ART", "WIMMER-2008-CAR", "WIMMER-2008-PVR", "WIMMER-2009-ARTR", "WIMMER-2009-ARTR2", "WIMMER-2009-ARTR3", "WIMMER-2009-CSR", "WIMMER-2009-VCCG", "WIMMER-2016-HARVEST4D", "WIMMER-2019-CGSG", "WIMMER-2020-ASG", "Win25", "winklmueller-2025-ims", "wonka-2000-VisP", "Wonka-2001-Ins", "WONKA-2006-GVS", "x-mas-2013", "zeilinger_matthias-2020-baa", "Zezulka_Matthias-2023-MatLabOptInterface", "Zezulka-2024-FTS", "Zezulka-2025-NRL", "Zezulka-2026-FGTS", "zotti-2005-lum", "zotti-2006-pla", "zotti-2007-PhD", "zotti-2007-wscg", "ZOTTI-2016-VAA", "ZOTTI-2017-BM", "ZOTTI-2017-TSP", "zsolnai-2018-gms", "zsolnai-feher-thesis-2019", "zsolnai-ist-invited-2014", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "projects": [ "3DSpatialization", "d9259", "d9275", "d9555", "Desiree", "EVOCATION", "GameTools", "GPV", "Harvest4D", "Mofa", "OpenData", "PathSpace", "REPLICATE", "RESHADE", "Scanopy", "TERAPOINTS", "Treelumination" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Rendering", "__class": "ResearchArea" } ], "keywords": [ "Diffusion curves" ], "weblinks": [], "files": [ { "description": null, "filetitle": "image", "main_file": true, "use_in_gallery": true, "access": "public", "image_width": 1585, "image_height": 1124, "name": "jeschke-2010-diff-image.bmp", "type": "image/x-ms-bmp", "size": 5345800, "path": "Publication:jeschke-2010-diff", "url": "https://www.cg.tuwien.ac.at/research/publications/2010/jeschke-2010-diff/jeschke-2010-diff-image.bmp", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2010/jeschke-2010-diff/jeschke-2010-diff-image:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2010/jeschke-2010-diff/", "__class": "Publication" }, { "id": "jeschke-09-solver", "type_id": "journalpaper", "tu_id": null, "repositum_id": null, "title": "A GPU Laplacian Solver for Diffusion Curves and Poisson Image Editing", "date": "2009-12", "abstract": "We present a new Laplacian solver for minimal surfaces—surfaces having a mean curvature of zero everywhere except at some fixed (Dirichlet) boundary conditions. Our solution has two main contributions: First, we provide a robust rasterization technique to transform continuous boundary values (diffusion curves) to a discrete domain. Second, we define a variable stencil size diffusion solver that solves the minimal surface problem. We prove that the solver converges to the right solution, and demonstrate that it is at least as fast as commonly proposed multigrid solvers, but much simpler to implement. It also works for arbitrary image resolutions, as well\r\nas 8 bit data. We show examples of robust diffusion curve rendering\r\nwhere our curve rasterization and diffusion solver eliminate the strobing artifacts present in previous methods. We also show results for real-time seamless cloning and stitching of large image panoramas.", "authors_et_al": false, "substitute": null, "main_image": { "description": "examples for animated diffusion curves", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 2100, "image_height": 1134, "name": "jeschke-09-solver-image.jpg", "type": "image/jpeg", "size": 592105, "path": "Publication:jeschke-09-solver", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-solver/jeschke-09-solver-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-solver/jeschke-09-solver-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 356, "drupal_id": 306, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/StefanJeschke", "firstname": "Stefan", "lastname": "Jeschke", "searchname": "Stefan Jeschke", "is_teacher": false, "name": "Stefan Jeschke", "publications": [ "arikan-2014-pcvis", "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "bhagvat-09-frusta", "cline-09-poisson", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_2007_IAG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "jeschke-09-solver", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "jeschke-2011-xMasCard", "karnik-09-shapegrammar", "Karnik-2010-routevis", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "preiner_2012_AS", "Scherzer-2007-PCS", "TR-186-2-02-04", "TR-186-2-07-01" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "auzinger-dissertation", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "auzinger-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_PON", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_SKIN", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "G_P_06_RFS", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "guerrero-2008-dip", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "jeschke-05-AIP", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-rendering", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-solver", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-LEMA", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-TDMR", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "JESCHKE-2007-ISC", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-2011-est", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Mantler-06-landscape", "field_id": "lecturer", "ordernum": 1 }, { "publ_id": "Nuernberg-2011-CBO", 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"field_id": "supervisor", "ordernum": 1 }, { "publ_id": "prieler_11_patchmatch", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Rudolf_06_IDM", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Selig_2005_WRO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "Selig-2007-VegAnim", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Spechtenhauser_Florian_2013_SIU", "field_id": "supervisor", "ordernum": 1 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=356", "__class": "Author" } ], "location": "Yokohama", "number": "5", "organization": "ACM", "pages_from": "1", "pages_to": "8", "publisher": "ACM Press", "volume": "28", "research_areas": [ { "id": "Rendering", "drupal_id": 4134, "name": "Rendering", "short_abstract": "In this area, we concentrate on algorithms that synthesize images to depict 3D models or scenes, often by simulating or approximating the physics of light.", "abstract": "The rendering of 3D models and scenes has been a major, long-standing challenge in computer graphics that can be divided into two major subfields. Real-time rendering refers to the real-time synthesis of images on commodity graphics hardware to facilitate interaction for visualizations or computer games. The field of physically based rendering focuses on algorithms that accurately simulate the physics of light for use in the movie industry, architectural visualizations, etc. Compared to real-time rendering methods, these algorithms generally require a considerable amount of time (i.e., hours up to days) to generate acceptable results.\n\nIn the context of real-time rendering, our work revolves around the development of algorithms to achieve higher visual quality. Furthermore, we work on techniques to accelerate physically based rendering algorithms to make them viable for interactive rendering. Another aspect of our research work revolves around tools that facilitate the work of content creators.", "website": "https://www.cg.tuwien.ac.at/research/area/Rendering", "teaser": { "name": "teaser.png", "path": "research_area:Rendering", "type": "image/png", "size": 5244928, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Rendering/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "2011scherzerE", "2018_Mautner_Praktikum", "Adorjan-2015", "agyemang-2021-bsdfproxyppg", "Ams25", "antes-g", "arikan-2014-pcvis", "arikan-2015-dmrt", "Artusi-2003-Del", "ASCHL-2022-OTV", "Auzinger_2012_AAA", "Auzinger_2012_GeigerCam", "Auzinger_2013_AnaVis", "Auzinger_2013_NSAA", "Auzinger_2013_SAR", "Auzinger_2014_DCGI", "Auzinger_2014_UJA", "Auzinger-2015-IST", "bagar2010", "balvan-g", "Bauer_Dominik_2018_VR", "BAUER-2024-PWG", "BAUER-2025-PCW", "bernhard-2011-bmtf", 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"ROEGNER-2015-IBR", "roth_2021_vdst", "roth_vdi", "roth-2023-vlk", "rumpelnik_martin_2020_PRM", "Rumpelnik_Martin-2020-NPR", "rumpler_2019_PPC", "Rumpler-2019-PPC", "RUMPLER-2021-VOGL", "SAKAI-2015-EAPI", "sakai-2021-eif", "sakai-2024-asa", "sakai-2025-stater", "sakai-thesis", "schedl-2012-dof", "schedl-2013-gP4", "SCHEIBLAUER-2015-WFC", "scherzer_2010a", "Scherzer-2007-PCS", "SCHERZER-2008-FSR", "scherzer-2009-isvc", "SCHERZER-2012-TCM", "scherzer-eg2010", "scherzer-thesis", "scherzer2010b", "scherzer2010d", "scherzer2010e", "scherzer2011c", "scherzer2011d", "SCHOBER-2006-IVSA", "SCHUETZ-2015-HQP", "SCHUETZ-2016-POT", "schuetz-2018-PPC", "schuetz-2019-CLOD", "schuetz-2019-LCO", "SCHUETZ-2019-PCC", "SCHUETZ-2020-MPC", "schuetz-2020-PPC", "SCHUETZ-2021-DISS", "SCHUETZ-2021-PCC", "SCHUETZ-2022-PCC", "SCHUETZ-2023-LOD", "SCHUETZ-2024-SIMLOD", "schuetz-2025-splatshop", "schuetz-mb", "schwaerzler_2018_phd", "SCHWAERZLER-2012-FAS", "SCHWAERZLER-2013-FPCSS", "Schwengerer_Mathias-2022-BGL", "seczer-2025-vrs", "Semmelrath-2022-IRS", "seyr-2025-lbt", "silvana_2014", "sippl_tobias_2017_WPC", "SIPPL-2017-POS", "sorger-2015-litevis", "SSMW09", "stappen_SteFAS", "stappen-2019-vrs", "steinkellner-2024-dll", "STEINLECHNER-2019-APS", "STEINLECHNER-2019-ICT", "STREICHER-2022-DSLS", "STU-SR-25", "Sturn-2013-ST", "Szabo-2018-DA", "tatzgern-2020-sst", "Thann_2019_01", "themmer-2018-fbx", "tobler97_hsdasr", "TR 193-02-2019-4", "TR 193-2-2019-4", "TR-186-2-02-04", "TR-186-2-07-01", "TR-186-2-07-09", "TR-186-2-08-09", "TR-186-2-12-01", "traxler-1997-TRA", "Tucek_2018", "Tucek_Tom-2016-aai", "ulschmid-2025-apc", "ulschmid-2026-naadf", "ulschmid-phdthesis", "unterguggenberger-2020-fmvr", "unterguggenberger-2021-msh", "unterguggenberger-2022-vulkan", "unterguggenberger-2024-fropo", "VASCO-2019-EVR", "wagner-2024-par", "wallner-2015-ModelingRoutinization", "Wang-2016-BAC", "WEBER-2015-PRA", "WEBER-2015-PRA1", "weidlich_2009_REL", "weidlich-2009-dispersion", "weidlich-2009-thesis", "weinzierl_heigl-2017-wh14", "werdermann-va", "WESSNER-2019-PCW", "wiesinger_2020_odpr", "wiesinger-2023-gcg", "Wilkie-2001-Ori", "Wilkie-2004-AMS", "wilkie-2006-dfs", "wilkie-2009-cc", "Wimmer-1999-FWIa", "Wimmer-1999-FWIb", "Wimmer-2001-Poi", "Wimmer-2003-RTE", "Wimmer-2004-LSPM", "Wimmer-2005-HOQ", "WIMMER-2006-PSM", "WIMMER-2006-SIV", "WIMMER-2007-GAR", "WIMMER-2007-RTR", "WIMMER-2008-ART", "WIMMER-2008-CAR", "WIMMER-2008-PVR", "WIMMER-2009-ARTR", "WIMMER-2009-ARTR2", "WIMMER-2009-ARTR3", "WIMMER-2009-CSR", "WIMMER-2009-VCCG", "WIMMER-2016-HARVEST4D", "WIMMER-2019-CGSG", "WIMMER-2020-ASG", "Win25", "winklmueller-2025-ims", "wonka-2000-VisP", "Wonka-2001-Ins", "WONKA-2006-GVS", "x-mas-2013", "zeilinger_matthias-2020-baa", "Zezulka_Matthias-2023-MatLabOptInterface", "Zezulka-2024-FTS", "Zezulka-2025-NRL", "Zezulka-2026-FGTS", "zotti-2005-lum", "zotti-2006-pla", "zotti-2007-PhD", "zotti-2007-wscg", "ZOTTI-2016-VAA", "ZOTTI-2017-BM", "ZOTTI-2017-TSP", "zsolnai-2018-gms", "zsolnai-feher-thesis-2019", "zsolnai-ist-invited-2014", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "projects": [ "3DSpatialization", "d9259", "d9275", "d9555", "Desiree", "EVOCATION", "GameTools", "GPV", "Harvest4D", "Mofa", "OpenData", "PathSpace", "REPLICATE", "RESHADE", "Scanopy", "TERAPOINTS", "Treelumination" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Rendering", "__class": "ResearchArea" } ], "keywords": [ "Geometry images", "Displacement mapping", "Diffusion curves", "Line and Curve rendering " ], "weblinks": [], "files": [ { "description": "Example for diffusion curves rendered on objects.", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1560, "image_height": 1115, "name": "jeschke-09-rendering-image.jpg", "type": "image/jpeg", "size": 521894, "path": "Publication:jeschke-09-rendering", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-image:thumb{{size}}.png" }, { "description": "preprint", "filetitle": "paper", "main_file": true, "use_in_gallery": false, "access": "public", "name": "jeschke-09-rendering-paper.pdf", "type": "application/pdf", "size": 13603624, "path": "Publication:jeschke-09-rendering", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-paper.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-paper:thumb{{size}}.png" }, { "description": "additional results", "filetitle": "results", "main_file": false, "use_in_gallery": false, "access": "public", "name": "jeschke-09-rendering-results.pdf", "type": "application/pdf", "size": 8215961, "path": "Publication:jeschke-09-rendering", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-results.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-results:thumb{{size}}.png" }, { "description": null, "filetitle": "video", "main_file": false, "use_in_gallery": false, "access": "public", "preview_image_width": 640, "preview_image_height": 480, "name": "jeschke-09-rendering-video.avi", "type": "video/x-msvideo", "size": 58348238, "path": "Publication:jeschke-09-rendering", "preview_name": "jeschke-09-rendering-video:preview.png", "preview_type": "image/jpeg", "preview_size": 5344, "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-video.avi", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-video:thumb{{size}}.png", "video_mp4": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/jeschke-09-rendering-video:video.mp4" } ], "projects_workgroups": [ { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2009/jeschke-09-rendering/", "__class": "Publication" }, { "id": "bhagvat-09-frusta", "type_id": "journalpaper_notalk", "tu_id": null, "repositum_id": null, "title": "GPU Rendering of Relief Mapped Conical Frusta", "date": "2009", "abstract": "This paper proposes to use relief-mapped conical frusta (cones cut by planes) to skin skeletal objects. Based on this representation, current programmable graphics hardware can perform the rendering with only minimal communication between the CPU and GPU. A consistent definition of conical frusta including texture parametrization and a continuous surface normal is provided. Rendering is performed by analytical ray casting of the relief-mapped frusta directly on the GPU. We demonstrate both static and animated objects rendered using our technique and compare to polygonal renderings of similar quality.", "authors_et_al": false, "substitute": null, "main_image": { "description": "Example for an object modelled and rendered from conical frustra.", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 928, "image_height": 575, "name": "bhagvat-09-frusta-image.jpg", "type": "image/jpeg", "size": 315778, "path": "Publication:bhagvat-09-frusta", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 810, "drupal_id": null, "orcid_id": null, "website": null, "firstname": "Deepali", "lastname": "Bhagvat", "searchname": "Deepali Bhagvat", "is_teacher": false, "name": "Deepali Bhagvat", "publications": [ "bhagvat-09-frusta" ], "publications_first": [], "project_leader": [], "publication_field": [], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=810", "__class": "Author" }, { "id": 356, "drupal_id": 306, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/StefanJeschke", "firstname": "Stefan", "lastname": "Jeschke", "searchname": "Stefan Jeschke", "is_teacher": false, "name": "Stefan Jeschke", "publications": [ "arikan-2014-pcvis", "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "bhagvat-09-frusta", "cline-09-poisson", "guerrero-2008-sli", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "Habel_2007_IAG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "jeschke-09-solver", "Jeschke-2002-LEM", "Jeschke-2002-LEMA", "Jeschke-2002-TDM", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "jeschke-2011-xMasCard", "karnik-09-shapegrammar", "Karnik-2010-routevis", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "preiner_2012_AS", "Scherzer-2007-PCS", "TR-186-2-02-04", "TR-186-2-07-01" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "auzinger-dissertation", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "auzinger-thesis", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_PON", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Brandorff_06_SKIN", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "G_P_06_RFS", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "guerrero-2008-dip", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "jeschke-05-AIP", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-rendering", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-09-solver", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-LEMA", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Jeschke-2002-TDMR", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "JESCHKE-2007-ISC", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "jeschke-2011-est", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Mantler-06-landscape", "field_id": "lecturer", "ordernum": 1 }, { "publ_id": "Nuernberg-2011-CBO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "prieler_11_patchmatch", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Rudolf_06_IDM", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Selig_2005_WRO", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "Selig-2007-VegAnim", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Spechtenhauser_Florian_2013_SIU", "field_id": "supervisor", "ordernum": 1 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=356", "__class": "Author" }, { "id": 809, "drupal_id": null, "orcid_id": null, "website": null, "firstname": "David", "lastname": "Cline", "searchname": "David Cline", "is_teacher": false, "name": "David Cline", "publications": [ "bhagvat-09-frusta", "cline-09-poisson", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2011-est", "karnik-09-shapegrammar", "Karnik-2010-routevis" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "cline-09-poisson", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=809", "__class": "Author" }, { "id": 194, "drupal_id": 68, "orcid_id": "0000-0003-0627-9746", "website": "https://www.cg.tuwien.ac.at/staff/PeterWonka", "firstname": "Peter", "lastname": "Wonka", "searchname": "Peter Wonka", "is_teacher": false, "name": "Peter Wonka", "publications": [ "bhagvat-09-frusta", "birsak-2014-agtb", "birsak-2017-dpe", "Birsak2018-SA", "Bittner-2001-Vis", "Bittner-2003-VCG", "Bittner-2003-Vis", "bittner-2005-egsr", "BITTNER-2009-AGVS", "cline-09-poisson", "dataset-viennacity", "fan-2014-scfl", "gilmutdinov-2022-aomlbwug", "Guerrero-2014-GRF", "guerrero-2015-lsp", "HECHER-2017-HDY", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2011-est", "karnik-09-shapegrammar", "Karnik-2010-routevis", "LIPP-2008-IEV", "LIPP-2009-PGL", "LIPP-2009-PGL2", "LIPP-2010-PGMS", "lipp2011a", "liu-2012-tcvd", "MATTAUSCH-2007-OSP", "musialski_2012_fice", "musialski-2009-sbfr", "musialski-2010-tof", "musialski-2012-icb", "musialski-2012-sur", "musialski-2013-surcgf", "nguyen_2020-covid", "Wimmer-2001-PBI", "Wimmer-2001-Poi", "Wimmer-2003-RTE", "Wonka-1998-O2", "Wonka-1998-Ray", "Wonka-1999-Occ", "wonka-2000-VisP", "wonka-2000-VisX", "Wonka-2001-Ins", "Wonka-2001-IV", "Wonka-2003-Ins", "WONKA-2006-GVS", "Wonka-thesis", "zsolnai-2018-gms", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "birsak-thesis", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "Guerrero_Paul_2014_EPG", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "HUMMEL-2001-MSE", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2023-ecd", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "lipp_markus-2010-DAC", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "lipp_markus-2010-DAC", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "musialski-2010-pfi", "field_id": "reviewer_2", "ordernum": 0 }, { "publ_id": "wonka-2000-VisP", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Wonka-2001-Ins", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Wonka-2003-Ins", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "WONKA-2006-GVS", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=194", "__class": "Author" } ], "issn": "0167-7055", "journal": "Computer Graphics Forum", "number": "28", "pages_from": "2131", "pages_to": "2139", "volume": "8", "research_areas": [ { "id": "Rendering", "drupal_id": 4134, "name": "Rendering", "short_abstract": "In this area, we concentrate on algorithms that synthesize images to depict 3D models or scenes, often by simulating or approximating the physics of light.", "abstract": "The rendering of 3D models and scenes has been a major, long-standing challenge in computer graphics that can be divided into two major subfields. Real-time rendering refers to the real-time synthesis of images on commodity graphics hardware to facilitate interaction for visualizations or computer games. The field of physically based rendering focuses on algorithms that accurately simulate the physics of light for use in the movie industry, architectural visualizations, etc. Compared to real-time rendering methods, these algorithms generally require a considerable amount of time (i.e., hours up to days) to generate acceptable results.\n\nIn the context of real-time rendering, our work revolves around the development of algorithms to achieve higher visual quality. Furthermore, we work on techniques to accelerate physically based rendering algorithms to make them viable for interactive rendering. Another aspect of our research work revolves around tools that facilitate the work of content creators.", "website": "https://www.cg.tuwien.ac.at/research/area/Rendering", "teaser": { "name": "teaser.png", "path": "research_area:Rendering", "type": "image/png", "size": 5244928, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Rendering/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "2011scherzerE", "2018_Mautner_Praktikum", "Adorjan-2015", "agyemang-2021-bsdfproxyppg", "Ams25", "antes-g", "arikan-2014-pcvis", "arikan-2015-dmrt", "Artusi-2003-Del", "ASCHL-2022-OTV", "Auzinger_2012_AAA", "Auzinger_2012_GeigerCam", "Auzinger_2013_AnaVis", "Auzinger_2013_NSAA", "Auzinger_2013_SAR", "Auzinger_2014_DCGI", "Auzinger_2014_UJA", "Auzinger-2015-IST", "bagar2010", "balvan-g", "Bauer_Dominik_2018_VR", "BAUER-2024-PWG", "BAUER-2025-PCW", "bernhard-2011-bmtf", "bernhard-2014-GTOM", "bhagvat-09-frusta", "birsak-2013-sta", "Bittner-2001-Vis", "Bittner-2003-Vis", "Bittner-2004-CHC", "bittner-2005-egsr", "BITTNER-2009-AGVS", "BITTNER-2009-GEFOC", "bittner-2011-scc", "BOKSANSKY-2019-RTS", "brandmair-2025-rub", "brugger-2020-tdp", "brugger-2020-tsdpbr", "Brusi-2001-Opt", "CADIK-2006-IAQ", "CADIK-2008-EHD", "cardoso-2021-cost", "cardoso-2022-rtpercept", "cardoso-2024-r-c", "cardoso-thesis", "cech-2023-taa", "celarek_adam-2019-qelta", "CELAREK-2017-QCL", "CHARALAMBOS-2007-HLOD", "charpenay-2014-sgn", "Che-2025", "cline-09-poisson", "CORNEL-2017-FRS", "CORNEL-2019-IVF", "Derflinger-2026-RTTW2", "Devlin-2002-STA", "dodik-2017-pcbpt", "dworschak-2024-aml", "ecormier-nocca-2025-sls", "eichner-2024-erv", "eickmeyer-2027-tcd", "EISEMANN-2011-RTS", "EISEMANN-2012-ERT", "EISEMANN-2013-ERT", "elagabani-2025-ieh", "Erhardt_Seirlehner-2024-TamashiiIntegration", "ERLER-2017-HVR", "ESBERGER-2016-AHO", "ESCHNER-2019-GDT", "fink-2012-cg1", "Fischer-2018-sssvr", "FRAISS-2017-PCU", "FRAISS-2022-CGMM", "freude_2020_rs", "FREUDE-2015-phd", "freude-2023-prh", "freude-2023-sem", "freude-2025-iso", "freude-2025-ras", "GAMPER-2018-OSG", "GANTNER-2018-ARO", "GANTNER-2019-CRS", "gersthofer_2017_COP", "geyer-2018-apbf", "GIEGL-2006-QVS", "GIEGL-2007-FVS", "GIEGL-2007-QV1", "GIEGL-2007-UNP", "gilmutdinov-2022-aomlbwug", "glanz-2017-pbrcomparison", "goel-2024-rdr", "gramegna-rfr", "GRELAUD-2009-EPA", "GRIESHOFER-2018-GOS", "Grisenti-2026-HSHPG", "Groeller_2016_P3", "Grossfurtner-2023-paego", "Gruber2019", "guerrero-2008-sli", "Habel_07_xms", "Habel_08_SSH", "Habel_09_PGT", "Habel_2007_IAG", "Habel_2007_RTT", "Habel_2009_PhD", "Habel_2012_PSP", "Habel_LSN_2011", "Habel_RAV_2010", "Habel-09-RAT", "Habel-09-THB", "Habel-2010-EIN", "HAFNER-2015-FEM", "HANN_2022_IPT", "hasbay-2026-tfo", "havran-2005-egsr", "havran-2005-sccg", "havran-2006-tut", "hecher-2012-MH", "hecher-2014-MH", "heinz-2019-psi", "hladky-2022-QS", "hofer_kerstin-2023-sketch2model", "horvath_imp", "houska-2020-IPGM", "huber-2025-esl", "huerbe-2019-BA", "intel2016", "ioannis-2026-sro", "JAHRMANN-2013-IGR", "JAHRMANN-2015-GRASS", "JAHRMANN-2016-IGR", "JAHRMANN-2017-RRTG", "jeschke-05-AIP", "jeschke-05-ARI", "jeschke-05-ISTAR", "jeschke-09-praguetalk", "jeschke-09-rendering", "Jeschke-2002-LEMA", "Jeschke-2002-TDMR", "JESCHKE-2007-ISC", "jeschke-2010-diff", "jeschke-2011-est", "Jimenez_SSS_2015", "KAFKA-2014-19MRD", "Kathi-2018-VRB", "Keilman2022", "Kellner-2021-DA", "kendlbacher-2016", "kerbl_2019_planet_poster", "kerbl_2021_hdg", "kerbl-2020-improvencoding", "kerbl-2022-trienc", "kerbl-2024-ah3", "kimmersdorfer-2024-vcpr", "kimmersdorfer-fancyMaps-2023", "KLAUS-2020-PCC", "klein_2019_PHD", "klein_2019_PMP", "klein-2020-rtgi", "knecht_2013_RSM", "knecht_martin_2010_DIR", "knecht_martin_2012_BRDFEstimation", "knecht_martin_2012_RSMR", "knecht_martin_2013_ReflRefrObjsMR", "knecht_martin-2011-FPSPAR", "knecht-2007-ao", "knecht-2011-CBCM", "koch-2019-PR", "KOCH-2021-GVS", "KOCH-2021-GVSDA", "KOEPPEL-2025-Nearfield", "Koeppl-2023-DLO", "Komon2022", "Konev-FCV2018", "Kovacs_2017", "kovacs-2025-pf", "KREUZER-2015-DPA", "KREUZER-2017-PBF", "kristmann-2022-occ", "kristmann-2023-vkl", "KRISTMANN-24-JPG", "kroesl-2017-LiteMaker", "kroesl-2018-DC", "kroesl-2018-TVS", "kroesl-2019-ICthroughVR", "kroesl-2019-ThesisFF", "KROESL-2020-SVI", "kroesl-2020-XREye", "KUE11", "Kugler-2021", "Lan25", "leopold-2019-vox", "Liang-2023-TVR", "lipp-2019-rtxq3", "LIPP-2020-PHD", "lipp-2024-val", "Luidolt-2020-DA", "luidolt-2020-lightperceptionVR", "luksch_2020", "LUKSCH-2013-FLM", "LUKSCH-2014-RTR", "LUKSCH-2019-IGI", "Mantler-06-landscape", "MANTLER-2007-DMBBC", "matt2011", "MATTAUSCH-2006-AVC", "mattausch-2007-iav", "MATTAUSCH-2007-OSP", "mattausch-2008-CHC", "mattausch-2010-tao", "mattausch-2010-var", "Mattausch-2010-vcr", "MATTAUSCH-2012-EOV", "MATTAUSCH-2012-TIS", "MATTAUSCH-2013-FSBE", "MATTAUSCH-2015-CHCRT", "Mazza_2021_05", "Meier_2024_WIALT", "MEINDL-2015-OSR", "metzger-2024-smv", "mindek-2017-marion", "mindek-xmas-card-2016", "murturi_PGG", "muth-2026-clouds", "neumann-2006-gamma", "OPPITZ-2017-3DM", "oppitz-2023-ais", "OPPTIZ-2018-IVRL", "OTEPKA-2020-PPC", "ott-rgi", "ott-va", "panfili-2019-VAVR", "panfili-2021-myop", "PB-VRVis-2018-005", "pegrisch_2018_uvs", "PERNDORFER-2015-ECS", "pernsteiner-2022-msh", "pernsteinre_jakob_2020_eechc", "PETER-2023-PSW", "pichler_2022_fro", "pirraku-f", "pistellato-2023-elp", "pogrzebacz-2023-vkl", "pointner_michael-2017-baa", "preiner_2010_GIPC", "preiner_2017_phd", "preiner11IR", "preissegger-2025-vrh", "Preymann-2022-pytamashii", "probst-2023-para", "prost-2016-molecule", "PROST-2017-RTL", "PROST-2019-RTPAL", "Przemyslaw_Gora_2016_UVU", "purgathofer-2004-real", "purgathofer-2004-some", "Purgathofer-2005-Ros", "Purgathofer-2005-Tub", "Purgathofer-2006-VRVis", "radax-2008-ir", "Rainer_2017", "Rait2022", "Reisner_Irene_2013_R3D", "reznicek-2020-fpgaray", "ROEGNER-2014-TUI", "ROEGNER-2015-IBR", "roth_2021_vdst", "roth_vdi", "roth-2023-vlk", "rumpelnik_martin_2020_PRM", "Rumpelnik_Martin-2020-NPR", "rumpler_2019_PPC", "Rumpler-2019-PPC", "RUMPLER-2021-VOGL", "SAKAI-2015-EAPI", "sakai-2021-eif", "sakai-2024-asa", "sakai-2025-stater", "sakai-thesis", "schedl-2012-dof", "schedl-2013-gP4", "SCHEIBLAUER-2015-WFC", "scherzer_2010a", "Scherzer-2007-PCS", "SCHERZER-2008-FSR", "scherzer-2009-isvc", "SCHERZER-2012-TCM", "scherzer-eg2010", "scherzer-thesis", "scherzer2010b", "scherzer2010d", "scherzer2010e", "scherzer2011c", "scherzer2011d", "SCHOBER-2006-IVSA", "SCHUETZ-2015-HQP", "SCHUETZ-2016-POT", "schuetz-2018-PPC", "schuetz-2019-CLOD", "schuetz-2019-LCO", "SCHUETZ-2019-PCC", "SCHUETZ-2020-MPC", "schuetz-2020-PPC", "SCHUETZ-2021-DISS", "SCHUETZ-2021-PCC", "SCHUETZ-2022-PCC", "SCHUETZ-2023-LOD", "SCHUETZ-2024-SIMLOD", "schuetz-2025-splatshop", "schuetz-mb", "schwaerzler_2018_phd", "SCHWAERZLER-2012-FAS", "SCHWAERZLER-2013-FPCSS", "Schwengerer_Mathias-2022-BGL", "seczer-2025-vrs", "Semmelrath-2022-IRS", "seyr-2025-lbt", "silvana_2014", "sippl_tobias_2017_WPC", "SIPPL-2017-POS", "sorger-2015-litevis", "SSMW09", "stappen_SteFAS", "stappen-2019-vrs", "steinkellner-2024-dll", "STEINLECHNER-2019-APS", "STEINLECHNER-2019-ICT", "STREICHER-2022-DSLS", "STU-SR-25", "Sturn-2013-ST", "Szabo-2018-DA", "tatzgern-2020-sst", "Thann_2019_01", "themmer-2018-fbx", "tobler97_hsdasr", "TR 193-02-2019-4", "TR 193-2-2019-4", "TR-186-2-02-04", "TR-186-2-07-01", "TR-186-2-07-09", "TR-186-2-08-09", "TR-186-2-12-01", "traxler-1997-TRA", "Tucek_2018", "Tucek_Tom-2016-aai", "ulschmid-2025-apc", "ulschmid-2026-naadf", "ulschmid-phdthesis", "unterguggenberger-2020-fmvr", "unterguggenberger-2021-msh", "unterguggenberger-2022-vulkan", "unterguggenberger-2024-fropo", "VASCO-2019-EVR", "wagner-2024-par", "wallner-2015-ModelingRoutinization", "Wang-2016-BAC", "WEBER-2015-PRA", "WEBER-2015-PRA1", "weidlich_2009_REL", "weidlich-2009-dispersion", "weidlich-2009-thesis", 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"zsolnai-feher-thesis-2019", "zsolnai-ist-invited-2014", "zsolnaifeher-2019-pme", "zsolnaifeher-2020-pme" ], "projects": [ "3DSpatialization", "d9259", "d9275", "d9555", "Desiree", "EVOCATION", "GameTools", "GPV", "Harvest4D", "Mofa", "OpenData", "PathSpace", "REPLICATE", "RESHADE", "Scanopy", "TERAPOINTS", "Treelumination" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Rendering", "__class": "ResearchArea" } ], "keywords": [], "weblinks": [], "files": [ { "description": "Example for an object modelled and rendered from conical frustra.", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 928, "image_height": 575, "name": "bhagvat-09-frusta-image.jpg", "type": "image/jpeg", "size": 315778, "path": "Publication:bhagvat-09-frusta", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-image:thumb{{size}}.png" }, { "description": "preprint", "filetitle": "paper", "main_file": true, "use_in_gallery": false, "access": "public", "name": "bhagvat-09-frusta-paper.pdf", "type": "application/pdf", "size": 4463463, "path": "Publication:bhagvat-09-frusta", "url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-paper.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/bhagvat-09-frusta-paper:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "Desiree", "workgroup_id": "rend", "drupal_id": 4232, "drupal_path": "/research/projects/Desiree", "name": "Detailed Surfaces for Interactive Rendering", "name_de": null, "short_title": "Desiree", "website": null, "status": "active", "short_abstract": "In this project we study new representation and rendering methods for surface detail in real time.", "abstract": "Humans perceive their surroundings by the light that is reflected from surfaces. In particular, it is the fine detail observed on surfaces that provides clues about material properties like roughness, texture, temperature, etc. Similarly, in interactive computer graphics applications, the complexity of surface renderings is one of the first things that occur to an observer when judging how good or realistic the application looks. One key issue is to provide the same amount of visual detail as a real surface. This plays an important role in a number of interactive applications where the viewpoint and illumination change rapidly, including visual impact analysis, cultural heritage, design reviews, architecture and urban planning, driving and traffic simulation, engineering and computer games to name but a few. The aim of the Desiree project is to develop algorithms and data structures to efficiently acquire, store and display geometrically complex surfaces for such real-time applications.\nAdding surface detail has been a research topic since the early days of computer graphics, including texture mapping, displacement mapping and slice-based representations. However, none of these approaches can directly be used for the aforementioned applications due to insufficient image quality, non-interactivity or too high memory requirements. In addition, no tools are available to convert the complex models created by 3D artists into representations useful for fast and high-quality display.\nIn Desiree, the main strategy will be to treat the rough object shape and the fine-scale details separately. We will research efficient data structures and algorithms that consider all aspects of this strategy, starting from the decomposition of a complex mesh into low- and high-detail components, efficient representations for the high-detail components, different mappings from the high-detail to the low-detail representation, and high-quality rendering in real time, including anti-aliasing issues and realistic illumination. For rendering, we will exploit recent programmable graphics hardware to develop output-sensitive display algorithms based on ray casting. We believe that this concept will allow us to achieve both, high image quality and real-time frame rates at the same time.\n", "start_date": "2008-07-01", "end_date": "2012-12-31", "leader_id": 193, "logo": { "name": "logo.png", "path": "project:Desiree", "type": "image/png", "size": 1623033, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Desiree/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P20768-N13", "comment": null } ], "research_areas": [ "Rendering" ], "publications": [ "Auzinger_2012_AAA", "Auzinger_2013_AnaVis", "auzinger-thesis", "bhagvat-09-frusta", "jeschke-09-rendering", "jeschke-09-solver", "jeschke-2010-diff", "jeschke-2011-est", "jeschke-2011-esttalk", "jeschke-2011-talkPrague", "MeierStauffer-2013-iihf", "Nuernberg-2011-CBO", "preiner_2012_AS", "prieler_11_patchmatch" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Desiree", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2009/bhagvat-09-frusta/", "__class": "Publication" } ]