In recent years, virtual and augmented reality have gained widespread attention because of newly developed head-mounted displays. For the first time, mass-market penetration seems plausible. Also, range sensors are on the verge of being integrated into smartphones, evidenced by prototypes such as the Google Tango device, making ubiquitous on-line acquisition of 3D data a possibility. The combination of these two technologies – displays and sensors – promises applications where users can directly be immersed into an experience of 3D data that was just captured live. However, the captured data needs to be processed and structured before being displayed. For example, sensor noise needs to be removed, normals need to be estimated for local surface reconstruction, etc. The challenge is that these operations involve a large amount of data, and in order to ensure a lag-free user experience, they need to be performed in real time, i.e., in just a few milliseconds per frame. In this proposal, we exploit the fact that dynamic point clouds captured in real time are often only relevant for display and interaction in the current frame and inside the current view frustum. In particular, we propose a new view-dependent data structure that permits efficient connectivity creation and traversal of unstructured data, which will speed up surface recovery, e.g. for collision detection. Classifying occlusions comes at no extra cost, which will allow quick access to occluded layers in the current view. This enables new methods to explore and manipulate dynamic 3D scenes, overcoming interaction methods that rely on physics-based metaphors like walking or flying, lifting interaction with 3D environments to a “superhuman” level.
\r\n", "abstract": "In recent years, virtual and augmented reality have gained widespread attention because of newly developed head-mounted displays. For the first time, mass-market penetration seems plausible. Also, range sensors are on the verge of being integrated into smartphones, evidenced by prototypes such as the Google Tango device, making ubiquitous on-line acquisition of 3D data a possibility. The combination of these two technologies – displays and sensors – promises applications where users can directly be immersed into an experience of 3D data that was just captured live. However, the captured data needs to be processed and structured before being displayed. For example, sensor noise needs to be removed, normals need to be estimated for local surface reconstruction, etc. The challenge is that these operations involve a large amount of data, and in order to ensure a lag-free user experience, they need to be performed in real time, i.e., in just a few milliseconds per frame. In this proposal, we exploit the fact that dynamic point clouds captured in real time are often only relevant for display and interaction in the current frame and inside the current view frustum. In particular, we propose a new view-dependent data structure that permits efficient connectivity creation and traversal of unstructured data, which will speed up surface recovery, e.g. for collision detection. Classifying occlusions comes at no extra cost, which will allow quick access to occluded layers in the current view. This enables new methods to explore and manipulate dynamic 3D scenes, overcoming interaction methods that rely on physics-based metaphors like walking or flying, lifting interaction with 3D environments to a “superhuman” level.
\r\n", "start_date": "2019-09-01", "end_date": "2023-08-31", "leader_id": 948, "logo": { "name": "logo.jpg", "path": "project:Superhumans", "type": "image/jpeg", "size": 96578, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/Superhumans/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P32418-N31", "comment": "332.780,70 €" } ], "research_areas": [ "Geometry", "VR" ], "publications": [ "erler_2024_ppsurf", "erler_philipp-2017-phd", "erler-2020-p2s", "leimer_2020-cag", "marin-2024-pcp", "parakkat-2024-ballmerge", "rait_alexius-2021-baa", "SCHUETZ-2020-MPC", "schuetz-2020-PPC" ], "url": "https://www.cg.tuwien.ac.at/research/projects/Superhumans", "__class": "Project" }, { "id": "MAKE-IT-FAB", "workgroup_id": "rend", "drupal_id": 4185, "drupal_path": "/research/projects/MAKE-IT-FAB", "name": "MAKE-IT-FAB: Modeling of Shapes for Personal Fabrication", "name_de": null, "short_title": "MAKE-IT-FAB", "website": null, "status": "active", "short_abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. Our goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. ", "abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. \nOur goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. In particular, we want to research following aspects: (i) We want to address the currently pending problem of high-level shape understanding, (ii) we want to research novel high-level shape modeling methods for interactive creation of plausible and aesthetically appealing shapes, and finally, (iii) we want to address optimization problems related to instant desktop 3D printing, such that modeled objects can be directly fabricated. The outcome of the project will be a set of algorithmic solutions for high-level shape modeling for instant personal fabrication.", "start_date": "2015-04-01", "end_date": "2020-03-31", "leader_id": 844, "logo": { "name": "logo.jpg", "path": "project:MAKE-IT-FAB", "type": "image/jpeg", "size": 80511, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P27972-N31", "comment": null } ], "research_areas": [ "Fabrication" ], "publications": [ "aichner-2016-sadf", "birsak-2017-dpe", "birsak-thesis", "Birsak2018-SA", "erler-2020-p2s", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "steiner_2016_isad", "WINKLER-2019-PDG" ], "url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB", "__class": "Project" }, { "id": "geo-materials", "workgroup_id": null, "drupal_id": 4187, "drupal_path": "/research/projects/geo-materials", "name": "Computational Design of Geometric Materials", "name_de": null, "short_title": "geo-materials", "website": null, "status": "active", "short_abstract": "In this project we want to research novel materials whose mechanical behavior is described by the complexity of their geometry. Such “geometric materials” are cellular structures whose properties depend on the shape and the connectivity of their cells, while the actual physical substance they are built of is constant across the entire object. ", "abstract": "In this project we want to research novel materials whose mechanical behavior is described by the complexity of their geometry. Such “geometric materials” are cellular structures whose properties depend on the shape and the connectivity of their cells, while the actual physical substance they are built of is constant across the entire object. Our goal is to develop the first computational model for the analysis and simulation of complex geometric materials, as well as a so-called goal-based computational design framework for their synthesis. Goal-based means that the desired behavior can be specified a-priori by the designer, and an appropriate geometric structure that best approximates the given goals is computed automatically. Our main research problem is how to map mechanical properties to geometric connections of cellular structures.
\r\n", "start_date": "2016-03-01", "end_date": "2021-08-31", "leader_id": 844, "logo": { "name": "logo.png", "path": "project:geo-materials", "type": "image/png", "size": 298337, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/geo-materials/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "WWTF", "contract_number": null, "comment": null } ], "research_areas": [], "publications": [ "leimer_2020-cag", "leimer-2018-sar" ], "url": "https://www.cg.tuwien.ac.at/research/projects/geo-materials", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2020/leimer_2020-cag/", "__class": "Publication" }, { "id": "leimer-2018-sar", "type_id": "journalpaper", "tu_id": null, "repositum_id": null, "title": "Sit & Relax: Interactive Design of Body-Supporting Surfaces", "date": "2018-10", "abstract": "We propose a novel method for interactive design of well-fitting body-supporting surfaces that is driven by the pressure distribution on the body's surface. \n\nOur main contribution is an interactive modeling system that utilizes captured body poses and computes an importance field that is proportional to the pressure distribution on the body for a given pose. This distribution indicates where the body should be supported in order to easily hold a particular pose, which is one of the measures of comfortable sitting. \t\n\nUsing our approximation, we propose the entire workflow for interactive design of $C^2$ smooth surfaces which serve as seats, or generally, as body supporting furniture for comfortable sitting. Finally, we also provide a design tool for Rhino/Grasshopper that allows for interactive creation of single designs or entire multi-person sitting scenarios. We also test the tool with design students and present several results. \t\t\n\nOur method aims at interactive design in order to help designers to create appropriate surfaces digitally without additional empirical design passes.", "authors_et_al": false, "substitute": null, "main_image": { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1339, "image_height": 743, "name": "leimer-2018-sar-image.png", "type": "image/png", "size": 938874, "path": "Publication:leimer-2018-sar", "url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" }, { "id": 836, "drupal_id": 36, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/MichaelBirsak", "firstname": "Michael", "lastname": "Birsak", "searchname": "Michael Birsak", "is_teacher": false, "name": "Michael Birsak", "publications": [ "birsak-2013-sta", "birsak-2014-agtb", "birsak-2017-dpe", "Birsak-Michael-2012", "birsak-thesis", "Birsak2018-SA", "BirsakHanzl-2009", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-souos", "x-mas-2013" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "Adorjan-2015", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "birsak-2013-sta", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "birsak-2014-agtb", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Birsak2018-SA", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "kendlbacher-2016", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "schaukowitsch-2013-fls", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "trumpf_stefan_2012", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=836", "__class": "Author" }, { "id": 1063, "drupal_id": null, "orcid_id": null, "website": null, "firstname": "Florian", "lastname": "Rist", "searchname": "Florian Rist", "is_teacher": false, "name": "Florian Rist", "publications": [ "Birsak2018-SA", "freude-2023-prh", "freude-2025-iso", "leimer-2018-sar", "lipp-2024-val", "musialski_2016_sosp", "Reichinger-12", "wimmer-2022-acd" ], "publications_first": [], "project_leader": [], "publication_field": [], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1063", "__class": "Author" }, { "id": 844, "drupal_id": 174, "orcid_id": "0000-0001-6429-8190", "website": "https://www.cg.tuwien.ac.at/staff/PrzemyslawMusialski", "firstname": "Przemyslaw", "lastname": "Musialski", "searchname": "Przemyslaw Musialski", "is_teacher": false, "name": "Przemyslaw Musialski", "publications": [ "Auzinger_2013_NSAA", "birsak-2013-sta", "birsak-2014-agtb", "birsak-2017-dpe", "Birsak2018-SA", "charpenay-2014-sgn", "fan-2014-scfl", "hafner-2015-onff", "Ilcik_2015_LAY", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-rpe", "leimer-2018-sar", "liu-2012-tcvd", "musialski_2012_aachen", "musialski_2012_fice", "musialski_2016_sosp", "musialski-2009-sbfr", "musialski-2010-imv", "musialski-2010-pfi", "musialski-2010-tof", "musialski-2012-icb", "musialski-2012-sur", "Musialski-2013-ipmum", "musialski-2013-prag", "musialski-2013-surcgf", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "Przemyslaw-2010-ADS", "steiner_2016_isad", "x-mas-2013" ], "publications_first": [], "project_leader": [ "geo-materials", "MAKE-IT-FAB" ], "publication_field": [ { "publ_id": "aichner-2016-sadf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "albillos-2013-MA", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "charpenay-2013-PR", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "fleiss-2015-da", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "gersthofer-2016-sosob", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "hafner-2015-eigf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "kavelar_albert_2010_ebic", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "koessler-2013-BA", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Kollmann-2015-DoF", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "kreuzer-2016-isf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2014-fsco", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2016-coan", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2023-ecd", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "manpreet_kainth-2012-rus", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "musialski_2016_sosp", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2009-sbfr", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2010-tof", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2012-icb", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2012-sur", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Musialski-2013-ipmum", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2015-souos", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "recheis-2009-arr", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "schaukowitsch-2013-fls", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "sippl-2014-fss", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "sperl-2013-BA", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "spitaler-2015-pbi", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "spitaler-afr-2011", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "steiner-2014-da", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "trenkwalder-2013-ma", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "WINKLER-2019-PDG", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "zapotocky_2013_ma", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=844", "__class": "Author" } ], "cfp": { "name": "call_for_papers.pdf", "type": "application/pdf", "error": "0", "size": "2740870", "orig_name": "call_for_papers.pdf", "ext": "pdf" }, "date_from": "2018-10-08", "date_to": "2018-10-11", "doi": "10.1111/cgf.13573", "event": "Pacific Graphics 2018", "journal": "Computer Graphics Forum", "lecturer": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" } ], "location": "Hong Kong", "number": "7", "open_access": "yes", "pages_from": "349", "pages_to": "359", "volume": "37", "research_areas": [ { "id": "Fabrication", "drupal_id": 4132, "name": "Fabrication", "short_abstract": "The advent of consumer-grade 3D printing has recently sparked interest in fabrication-aware shape design and optimization. We use techniques from computer graphics and engineering to develop new computational tools to facilitate the design process of physical artifacts.", "abstract": "The task of finding the perfect shape of a real-world object that fulfills a given objective optimally appears in many disciplines, like interior design, building planning, or construction of machine parts. These tasks can be subject to considerations of functionality, cost-effciency, and aesthetics, as well as constraints relating to size, producibility, safety margins, etc. The great complexity and the presence of conflicting and hard-to-formalize goals have hitherto precluded automation of many design tasks and leave them in the hands of human designers and engineers.\n\nThere is, however, great potential to aid these processes computationally and to unlock difficult design tasks for a larger audience. This will not only provide faster work flows and enable the exploration of new design spaces, but it constitutes a necessary step towards the wide-spread application of personalized fabrication techniques like additive manufacturing. Low-cost 3d printing has been widely described as a disruptive technology and the herald of a new industrial revolution. These expectations have since been tempered by a reality which shows that availability alone is inconsequential unless accompanied by an innovation of supporting technologies.\n\nThe big challenge in making new fabrication techniques more useful is the development of a computational design methodology that relieves its users of low-level tasks like explicit 3d modeling and provides tools to create shapes from functional, aesthetic, and other high-level specifications. The overarching goal of this research area is to find new mathematical models and computational solutions fordesign tasks that are at this time tedious or impossible at all.", "website": "https://www.cg.tuwien.ac.at/research/area/Fabrication", "teaser": { "name": "teaser.png", "path": "research_area:Fabrication", "type": "image/png", "size": 420422, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Fabrication/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "Birsak2018-SA", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "korpitsch_thorsten-2019", "korpitsch-2020-cescg", "leimer_2020-cag", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-souos", "pahr-2021-vologram", "pahr-2024-squishicalization", "Reichinger-2016-spaghetti", "schindler_2020vis", "schultes_lampi", "Staudacher_2022", "walchhofer-tso", "WINKLER-2019-PDG" ], "projects": [ "EVOCATION", "MAKE-IT-FAB" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Fabrication", "__class": "ResearchArea" }, { "id": "Geometry", "drupal_id": 4129, "name": "Geometry Processing", "short_abstract": "Uses concepts from applied mathematics and computer science to design efficient algorithms for the reconstruction, analysis, manipulation, simulation and transmission of complex 3D models. Example applications are collision detection, reconstruction, compression, occlusion-aware surface handling and improved sampling conditions.", "abstract": "We perform research in surface reconstruction from point clouds, geometry processing and geometry representations. We use parallel processing of thousands of GPU cores to enable flash geometry operations in real-time.\nNovel data structures are evaluated to reduce the time complexity of geometric operations, such as collision detection or occlusion-aware surface processing.\nIn computational geometry, we prove concepts relating samples to curves and manifolds. We also research novel surface description paradigms and according operators, representing large point cloud data in a probabilistic way. ", "website": "https://www.cg.tuwien.ac.at/research/area/Geometry", "teaser": { "name": "teaser.png", "path": "research_area:Geometry", "type": "image/png", "size": 168072, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Geometry/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "aichner-2016-sadf", "arikan-2013-osn", "ausserer-2026-baa", "balvan-rsf", "beleznai_csaba-2025-pr", "belic_dejan_pr", "bodzenta-2026-baa", "brunner_lukas_2022_ssb", "celarek-2022-gmcn", "clemenz_2019_rosy_fields", "cornel-2022-wih", "csecsy-fcd", "darovskikh_leonid-2025-prj", "deak-a3", "depner_dennis-2020-baa", "depner_dennis-2022-maa", "Doerflinger-2016-CDV", "elagrod_ahmed-baa", "Erhardt_2025_Scutes", "erler_2024_ppsurf", "erler_philipp-2017-phd", "erler-2020-p2s", "erler-2025-lidarscout", "fitzinger_andreas-daa", "forsythe-2016-ccm", "fraissl_niklas-2023-pra", "fuchs_peter-2024-baa", "fuericht_2025_prj", "fuericht_elias-2025-prj", "gamsjaeger-2022-proc", "gersthofer-2016-sosob", "geyer_lukas_2015_prj", "Grossfurtner-2023-paego", "grossmann-2016-baa", "gruber_horst-2019-baa", "Guerrero-2014-TPS", "hamzic_ademir-baa", "harisch-mvs", "hatzinger-2026-baa", "hladky-2022-QS", "hofer_kerstin-2023-sketch2model", "hoffer-toth-com", "holom_2025-prj", "ILCIK-phdthesis", "jira_marcel-2024-baa", "kaipel_nikolas-2025-baa", "kapferer_2021_advancing", "kazda-tmd", "Kellner-2021-DA", "kerbl-2022-trienc", "koeppel-2016-baa", "kohlhas_jakob-2023-pra", "konrad-2020-baa", "kozonits_marcel-2025-baa", "kralicek_sebastian_baa", "kubicek-2024-baa", "Kugler_2019", "laager_florian-2014-daa", "lang_jakob-2022-baa", "Laschober-2018", "lazarevic-tci", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-rpe", "leimer-2018-sar", "leutschacher_2025_prj", "loeffelmann-1995-para", "macho_jonas-2024-baa", "marin-2022-sig", "marin-2022-sigdt", "marin-2023-pic", "marin-2024-pcp", "marin-2024-sing", "markovich_aleksandar-2022-maa", "mayr_patrick_maa", "Mayrhauser-2016-Cnc", "mazza-2012-bakk", "micu_2025-prj", "miklautsch_florian-baa", "mueller-2024-rbt", "mujadzic_iman_baa", "mujadzic-2023-hfp", "murturi_PGG", "musialski_2016_sosp", "musialski-2012-sur", "musialski-2013-surcgf", "nawrocki-2024-nsr", "negi_ashish-2023-baa", "neumann-sfd", "novak_martin-2018-baa", "ohrhallinger_stefan-2011-001", "ohrhallinger_stefan-2012-mle", "ohrhallinger_stefan-2013-c2d", "ohrhallinger_stefan-2013-smi", "ohrhallinger_stefan-2018-cgf", "ohrhallinger_stefan-2018-pg", "ohrhallinger_stefan-2019-xms", "ohrhallinger_stefan-2022-tut", "ohrhallinger_stefan-2023-con", "ohrhallinger_stefan-2024-inv", "ohrhallinger-2016-sgp", "ohrhallinger-2021-egs", "ohrhallinger-stefan-2012-the", "pakkanen-2026-prj", "pegrisch_2018_uvs", "pichler_2022_fro", "pointner_michael-2017-baa", "pointner_simon-2022-maa", "preiner_2012_AS", "preiner_2017_phd", "Preiner_2019", "preiner2014clop", "proelss-bdp", "prohaska_julia-2023-baa", "Radwan-2014-CDR", "Radwan-2017-Occ", "radwan-thesis", "rait_alexius-2021-baa", "REICHHOLF-2023-HRO", "reiher_joerg-2023-pra", "reiher-joerg-2024-daa", "reinwald-2017-baa", "Reisner_2013_RSB", "riegler_2020_framework", "roth_vdi", "rozanics-lsf", "rubik_michael-2022-baa", "rumpelnik_martin_2020_PRM", "schaffarz_2018-pra", "schartmueller_2018_baa", "Scheiblauer-2008-DCW", "SCHEIBLAUER-2009-IDCE", "scheiblauer-2011-cag", "scheiblauer-2011-chnt", "scheiblauer-2012-chnt", "scheiblauer-2013-wscg", "Schmalstieg-1996-LOB", "Schmalstieg-1997-SMO", "scholz_2017_bac", "schrammel_sebastian_baa", "SCHUETZ-2022-PCC", "schuh-2018-mesh-blending", "schulz-faf", "seisenbacher-cyclesafely", "sippl-2014-fss", "slajcho_levente-baa", "slavtchev-dcd", "starnberger-cli", "steiner_2016_isad", "steinheber-2024-oto", "steinschauer-2020-baa", "steinschorn-2023-p2m", "steinschorn-2025-par", "Tobler-1995-AAC", "Tobler-1995-BGD", "tobler02_amrmg", "Traxler-1996-CTB", "trenovatz-lpd", "tumpach_barbara-pra", "unterguggenberger-2021-msh", "Vucenovic_2022", "WEYDEMANN-2016-NUO", "weydemann-2025-noo", "wiesinger_2025-baa", "wiesinger_klemens-2023-baa", "Wimmer-1998-SMO", "WIMMER-2006-DWN", "WIMMER-2006-IP", "WIMMER-2016-HARVEST4D", "withalm_brigitte-2022-baa", "wolffhardt-2026-prj", "yoo-chaeran-2025-pr", "zeilinger_matthias-2020-baa", "Zezulka-2024-FTS" ], "projects": [ "3DSpatialization", "d4388", "d9275", "EVOCATION", "GameTools", "Harvest4D", "SCI_BIM", "ShapeAcquisition", "Superhumans", "TERAPOINTS", "WorldScale" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Geometry", "__class": "ResearchArea" }, { "id": "Modeling", "drupal_id": 4130, "name": "Modeling", "short_abstract": "In this area, we focus on researching methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "abstract": "One of the major bottlenecks in the field of computer graphics is the one of content creation, particularly the creation of high-quality 3D geometric models. These models are a demand in many industries, such as entertainment, computer-aided design, urban planning, the fabrication of physical objects, as well as research areas like medical or scientific visualizations and simulations.\n\nWhile rendering - the classical field of computer graphics - has reached very high standards in the recent two decades, the issue of the creation of appropriate digital models is a difficult problem that hardly keeps pace with current demands. Indeed, it is a complex creative process that involves both artistic and technical skills.\n\nTo make this process easier, our goal in this research area is to find new methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "website": "https://www.cg.tuwien.ac.at/research/area/Modeling", "teaser": { "name": "teaser.jpg", "path": "research_area:Modeling", "type": "image/jpeg", "size": 190581, "orig_name": "teaser.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Modeling/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "AA2020", "Adorjan-2015", "aichner-2016-sadf", "arikan-2013-osn", "birsak-thesis", "Birsak2018-SA", "Brandstaetter2020", "brunner_lukas_2022_ssb", "Caic2021", "clemenz_2019_rosy_fields", "DOG10", "dusberger-2010-msm", "eibens-2021-tsgpmg", "eibensteiner-2021-pmcg", "eibner-2009-gpc", "Erhardt_2025_Scutes", "erler_2024_ppsurf", "erler_philipp-2016-femfluid-prakt", "erler_philipp-2017-phd", "erler-2020-p2s", "erler-2025-lidarscout", "fan-2014-scfl", "ferschin-1992-kons", "fiedler-2009-php", "fleiss-2015-da", "GAHR-2013-AGM", "gamsjaeger-2022-proc", "gersthofer-2016-sosob", "gervautz-1989-sol1", "gervautz-1993-use", "griessmair-1989-def1", "groeller-1992-frac", "groeller-1995-mod", "Groeller-1995-SDC", "Grossfurtner-2023-paego", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "HECHER-2017-HDY", "hiess-1992-comb", "hofer_kerstin-2023-sketch2model", "honic-2020-w78", "HU-2017-ETM", "HUMMEL-2001-MSE", "Ilcik_2015_LAY", "ilcik-2010-ps", "ilcik-2013-cipmi", "ilcik-2014-cgbpmi", "ilcik-2016-cmssg", "ilcik-2021-xmas", "kapferer_2021_advancing", "karnik-09-shapegrammar", "Kellner-2021-DA", "kendlbacher-2016", "klein_2019_PGG", "klein_2019_PHD", "klein_2019_PMP", "koenigsberger-2024-msu", "komon-2025-webigeo", "kouril-2015-maya2cellview", "kouril-2017-sccgposter", "kraehsmaier-dsc", "kreuzer-2016-isf", "kuehtreiber-2010-ikph", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd", "LEOPOLD-2017-ALG", "LIPP-2007-CGA", "LIPP-2008-IEV", "LIPP-2009-PGL", "LIPP-2009-PGL2", "lipp2011a", "macho_jonas-2024-baa", "Maierhofer-thesis", "manpreet_kainth-2012-rus", "miao_kaust_2018", "miao_nantech_2019", "miao_nar_2020", "miao_thesis_2019", "mindek-xmas-card-2016", "mujadzic-2023-hfp", "musialski-2009-sbfr", "musialski-2010-pfi", "musialski-2010-tof", "musialski-2012-icb", "musialski-2012-sur", "Musialski-2013-ipmum", "musialski-2013-surcgf", "NIEDERREITER-2010-SIM", "Pahr2020", "Parzer_2013_IIG", "pegrisch_2018_uvs", "pogrzebacz-2014-gggm", "polzer-sog", "preiner_2017_phd", "PUEYO-2019-SCL", "RADAX-2010-LOD", "Radwan_2021_Occ", "rasch-2016-imgses", "recheis-2009-arr", "Reichinger-12", "reisinger-2023-iad", "reisner-2010-ind", "reisner-2011-akgeo", "reitsamer-2008-tsud", "Rumpelnik_Martin-2020-NPR", "scharl-master-thesis", "scholz_2017_bac", "SCHWAERZLER-2017-SBGM", "SIETZEN-2017-BBO", "sifuentes-2018-crowd", "sippl-2014-fss", "sperl-2013-BA", "spitaler-2015-pbi", "steiner_2016_isad", "steiner-2014-da", "steinkellner-2022-dll", "steinschorn-2023-p2m", "steinschorn-2025-par", "steinschorn-2025-parameter", "tobler02_amrmg", "tobler02_mbpls", "Traxler-1996-GAI", "VASILJEVS-2018-PMPL", "Viola_Ivan_2013_RMA", "Viola_Ivan_2013_RSb", "weiner_2011", "WIMMER-2015-CGFC", "WIMMER-2016-FUTURIS", "WIMMER-2020-ASG", "wimmer-2023-acd", "Winkler-2017", "WINKLER-2019-PDG", "Wonka-2003-Ins", "xmas-2024", "zeiller-1993-coll", "Zotti-2003-AMP", "zotti-2003-ash", "zotti-2006-pla", "zotti-2007-eg" ], "projects": [ "3DSpatialization", "d4388", "EVOCATION", "GAMEWORLD", "Harvest4D", "PAMINA", "Photo-Guide", "REPLICATE", "SCI_BIM", "Wohnen 4.0" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Modeling", "__class": "ResearchArea" } ], "keywords": [ "interactive modeling", "interactive design", "digital fabrication" ], "weblinks": [ { "href": "https://doi.org/10.1111/cgf.13573 ", "caption": "DOI", "description": null, "main_file": 0 } ], "files": [ { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1339, "image_height": 743, "name": "leimer-2018-sar-image.png", "type": "image/png", "size": 938874, "path": "Publication:leimer-2018-sar", "url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-image:thumb{{size}}.png" }, { "description": "preprint", "filetitle": "preprint", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2018-sar-preprint.pdf", "type": "application/pdf", "size": 10955588, "path": "Publication:leimer-2018-sar", "url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-preprint.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-preprint:thumb{{size}}.png" }, { "description": "video", "filetitle": "video", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2018-sar-video.mp4", "type": "video/mp4", "size": 201674852, "path": "Publication:leimer-2018-sar", "url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-video.mp4", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-video:thumb{{size}}.png", "video_mp4": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/leimer-2018-sar-video:video.mp4" } ], "projects_workgroups": [ { "id": "MAKE-IT-FAB", "workgroup_id": "rend", "drupal_id": 4185, "drupal_path": "/research/projects/MAKE-IT-FAB", "name": "MAKE-IT-FAB: Modeling of Shapes for Personal Fabrication", "name_de": null, "short_title": "MAKE-IT-FAB", "website": null, "status": "active", "short_abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. Our goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. ", "abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. \nOur goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. In particular, we want to research following aspects: (i) We want to address the currently pending problem of high-level shape understanding, (ii) we want to research novel high-level shape modeling methods for interactive creation of plausible and aesthetically appealing shapes, and finally, (iii) we want to address optimization problems related to instant desktop 3D printing, such that modeled objects can be directly fabricated. The outcome of the project will be a set of algorithmic solutions for high-level shape modeling for instant personal fabrication.", "start_date": "2015-04-01", "end_date": "2020-03-31", "leader_id": 844, "logo": { "name": "logo.jpg", "path": "project:MAKE-IT-FAB", "type": "image/jpeg", "size": 80511, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P27972-N31", "comment": null } ], "research_areas": [ "Fabrication" ], "publications": [ "aichner-2016-sadf", "birsak-2017-dpe", "birsak-thesis", "Birsak2018-SA", "erler-2020-p2s", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "steiner_2016_isad", "WINKLER-2019-PDG" ], "url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB", "__class": "Project" }, { "id": "geo-materials", "workgroup_id": null, "drupal_id": 4187, "drupal_path": "/research/projects/geo-materials", "name": "Computational Design of Geometric Materials", "name_de": null, "short_title": "geo-materials", "website": null, "status": "active", "short_abstract": "In this project we want to research novel materials whose mechanical behavior is described by the complexity of their geometry. Such “geometric materials” are cellular structures whose properties depend on the shape and the connectivity of their cells, while the actual physical substance they are built of is constant across the entire object. ", "abstract": "In this project we want to research novel materials whose mechanical behavior is described by the complexity of their geometry. Such “geometric materials” are cellular structures whose properties depend on the shape and the connectivity of their cells, while the actual physical substance they are built of is constant across the entire object. Our goal is to develop the first computational model for the analysis and simulation of complex geometric materials, as well as a so-called goal-based computational design framework for their synthesis. Goal-based means that the desired behavior can be specified a-priori by the designer, and an appropriate geometric structure that best approximates the given goals is computed automatically. Our main research problem is how to map mechanical properties to geometric connections of cellular structures.
\r\n", "start_date": "2016-03-01", "end_date": "2021-08-31", "leader_id": 844, "logo": { "name": "logo.png", "path": "project:geo-materials", "type": "image/png", "size": 298337, "orig_name": "logo.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/geo-materials/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "WWTF", "contract_number": null, "comment": null } ], "research_areas": [], "publications": [ "leimer_2020-cag", "leimer-2018-sar" ], "url": "https://www.cg.tuwien.ac.at/research/projects/geo-materials", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2018/leimer-2018-sar/", "__class": "Publication" }, { "id": "leimer_2017_rbpesc", "type_id": "journalpaper_notalk", "tu_id": null, "repositum_id": null, "title": "Relation-Based Parametrization and Exploration of Shape Collections", "date": "2017-10", "abstract": "With online repositories for 3D models like 3D Warehouse becoming more prevalent and growing ever larger, new possibilities have emerged for both experienced and inexperienced users. These large collections of shapes can provide inspiration for designers or make it possible to synthesize new shapes by combining different parts from already existing shapes, which can be both easy to learn and a fast way of creating new shapes. But exploring large shape collections or searching for particular kinds of shapes can be difficult and time-consuming tasks as well, especially considering that online repositories are often disorganized. In our work, we propose a relation-based way to parametrize shape collections, allowing the user to explore the entire set of shapes based on the variability of spatial arrangements between pairs of parts. The way in which shapes differ from each other is captured automatically, resulting in a small number of exploration parameters. Furthermore, a copy-and-paste system for parts allows the user to change the structure of a shape, making it possible to explore the entire collection from any initial shape.", "authors_et_al": false, "substitute": null, "main_image": { "description": null, "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 2000, "image_height": 1267, "name": "leimer_2017_rbpesc-image.png", "type": "image/png", "size": 969130, "path": "Publication:leimer_2017_rbpesc", "url": "https://www.cg.tuwien.ac.at/research/publications/2017/leimer_2017_rbpesc/leimer_2017_rbpesc-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2017/leimer_2017_rbpesc/leimer_2017_rbpesc-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" }, { "id": 1292, "drupal_id": 1084, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/LukasGersthofer", "firstname": "Lukas", "lastname": "Gersthofer", "searchname": "Lukas Gersthofer", "is_teacher": false, "name": "Lukas Gersthofer", "publications": [ "gersthofer_2017_COP", "gersthofer-2016-sosob", "leimer_2017_rbpesc" ], "publications_first": [], "project_leader": [], "publication_field": [], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1292", "__class": "Author" }, { "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", 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"spitaler-2015-pbi", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "spitaler-afr-2011", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "steiner-2014-da", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "trenkwalder-2013-ma", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "WINKLER-2019-PDG", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "zapotocky_2013_ma", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=844", "__class": "Author" } ], "issn": "0097-8493", "journal": "Computers & Graphics", "pages_from": "127", "pages_to": "137", "volume": "67", "research_areas": [ { "id": "Geometry", "drupal_id": 4129, "name": "Geometry Processing", "short_abstract": "Uses concepts from applied mathematics and computer science to design efficient algorithms for the reconstruction, analysis, manipulation, simulation and transmission of complex 3D models. Example applications are collision detection, reconstruction, compression, occlusion-aware surface handling and improved sampling conditions.", "abstract": "We perform research in surface reconstruction from point clouds, geometry processing and geometry representations. We use parallel processing of thousands of GPU cores to enable flash geometry operations in real-time.\nNovel data structures are evaluated to reduce the time complexity of geometric operations, such as collision detection or occlusion-aware surface processing.\nIn computational geometry, we prove concepts relating samples to curves and manifolds. We also research novel surface description paradigms and according operators, representing large point cloud data in a probabilistic way. ", "website": "https://www.cg.tuwien.ac.at/research/area/Geometry", "teaser": { "name": "teaser.png", "path": "research_area:Geometry", "type": "image/png", "size": 168072, "orig_name": "teaser.png", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Geometry/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "aichner-2016-sadf", "arikan-2013-osn", "ausserer-2026-baa", "balvan-rsf", "beleznai_csaba-2025-pr", "belic_dejan_pr", "bodzenta-2026-baa", "brunner_lukas_2022_ssb", "celarek-2022-gmcn", "clemenz_2019_rosy_fields", "cornel-2022-wih", "csecsy-fcd", "darovskikh_leonid-2025-prj", "deak-a3", "depner_dennis-2020-baa", "depner_dennis-2022-maa", "Doerflinger-2016-CDV", "elagrod_ahmed-baa", "Erhardt_2025_Scutes", "erler_2024_ppsurf", "erler_philipp-2017-phd", "erler-2020-p2s", "erler-2025-lidarscout", "fitzinger_andreas-daa", "forsythe-2016-ccm", "fraissl_niklas-2023-pra", "fuchs_peter-2024-baa", 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"markovich_aleksandar-2022-maa", "mayr_patrick_maa", "Mayrhauser-2016-Cnc", "mazza-2012-bakk", "micu_2025-prj", "miklautsch_florian-baa", "mueller-2024-rbt", "mujadzic_iman_baa", "mujadzic-2023-hfp", "murturi_PGG", "musialski_2016_sosp", "musialski-2012-sur", "musialski-2013-surcgf", "nawrocki-2024-nsr", "negi_ashish-2023-baa", "neumann-sfd", "novak_martin-2018-baa", "ohrhallinger_stefan-2011-001", "ohrhallinger_stefan-2012-mle", "ohrhallinger_stefan-2013-c2d", "ohrhallinger_stefan-2013-smi", "ohrhallinger_stefan-2018-cgf", "ohrhallinger_stefan-2018-pg", "ohrhallinger_stefan-2019-xms", "ohrhallinger_stefan-2022-tut", "ohrhallinger_stefan-2023-con", "ohrhallinger_stefan-2024-inv", "ohrhallinger-2016-sgp", "ohrhallinger-2021-egs", "ohrhallinger-stefan-2012-the", "pakkanen-2026-prj", "pegrisch_2018_uvs", "pichler_2022_fro", "pointner_michael-2017-baa", "pointner_simon-2022-maa", "preiner_2012_AS", "preiner_2017_phd", "Preiner_2019", "preiner2014clop", "proelss-bdp", "prohaska_julia-2023-baa", "Radwan-2014-CDR", "Radwan-2017-Occ", "radwan-thesis", "rait_alexius-2021-baa", "REICHHOLF-2023-HRO", "reiher_joerg-2023-pra", "reiher-joerg-2024-daa", "reinwald-2017-baa", "Reisner_2013_RSB", "riegler_2020_framework", "roth_vdi", "rozanics-lsf", "rubik_michael-2022-baa", "rumpelnik_martin_2020_PRM", "schaffarz_2018-pra", "schartmueller_2018_baa", "Scheiblauer-2008-DCW", "SCHEIBLAUER-2009-IDCE", "scheiblauer-2011-cag", "scheiblauer-2011-chnt", "scheiblauer-2012-chnt", "scheiblauer-2013-wscg", "Schmalstieg-1996-LOB", "Schmalstieg-1997-SMO", "scholz_2017_bac", "schrammel_sebastian_baa", "SCHUETZ-2022-PCC", "schuh-2018-mesh-blending", "schulz-faf", "seisenbacher-cyclesafely", "sippl-2014-fss", "slajcho_levente-baa", "slavtchev-dcd", "starnberger-cli", "steiner_2016_isad", "steinheber-2024-oto", "steinschauer-2020-baa", "steinschorn-2023-p2m", "steinschorn-2025-par", "Tobler-1995-AAC", "Tobler-1995-BGD", "tobler02_amrmg", "Traxler-1996-CTB", "trenovatz-lpd", 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particularly the creation of high-quality 3D geometric models. These models are a demand in many industries, such as entertainment, computer-aided design, urban planning, the fabrication of physical objects, as well as research areas like medical or scientific visualizations and simulations.\n\nWhile rendering - the classical field of computer graphics - has reached very high standards in the recent two decades, the issue of the creation of appropriate digital models is a difficult problem that hardly keeps pace with current demands. Indeed, it is a complex creative process that involves both artistic and technical skills.\n\nTo make this process easier, our goal in this research area is to find new methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "website": "https://www.cg.tuwien.ac.at/research/area/Modeling", "teaser": { "name": "teaser.jpg", "path": "research_area:Modeling", "type": "image/jpeg", "size": 190581, "orig_name": "teaser.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Modeling/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "AA2020", "Adorjan-2015", "aichner-2016-sadf", "arikan-2013-osn", "birsak-thesis", "Birsak2018-SA", "Brandstaetter2020", "brunner_lukas_2022_ssb", "Caic2021", "clemenz_2019_rosy_fields", "DOG10", "dusberger-2010-msm", "eibens-2021-tsgpmg", "eibensteiner-2021-pmcg", "eibner-2009-gpc", "Erhardt_2025_Scutes", "erler_2024_ppsurf", 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"scholz_2017_bac", "SCHWAERZLER-2017-SBGM", "SIETZEN-2017-BBO", "sifuentes-2018-crowd", "sippl-2014-fss", "sperl-2013-BA", "spitaler-2015-pbi", "steiner_2016_isad", "steiner-2014-da", "steinkellner-2022-dll", "steinschorn-2023-p2m", "steinschorn-2025-par", "steinschorn-2025-parameter", "tobler02_amrmg", "tobler02_mbpls", "Traxler-1996-GAI", "VASILJEVS-2018-PMPL", "Viola_Ivan_2013_RMA", "Viola_Ivan_2013_RSb", "weiner_2011", "WIMMER-2015-CGFC", "WIMMER-2016-FUTURIS", "WIMMER-2020-ASG", "wimmer-2023-acd", "Winkler-2017", "WINKLER-2019-PDG", "Wonka-2003-Ins", "xmas-2024", "zeiller-1993-coll", "Zotti-2003-AMP", "zotti-2003-ash", "zotti-2006-pla", "zotti-2007-eg" ], "projects": [ "3DSpatialization", "d4388", "EVOCATION", "GAMEWORLD", "Harvest4D", "PAMINA", "Photo-Guide", "REPLICATE", "SCI_BIM", "Wohnen 4.0" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Modeling", "__class": "ResearchArea" } ], "keywords": [ "3d database exploration", "Model variability", "Shape analysis", "Shape collections" ], "weblinks": [ { "href": "https://doi.org/10.1016/j.cag.2017.07.001", "caption": "DOI", "description": null, "main_file": 0 } ], "files": [ { "description": null, "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 2000, "image_height": 1267, "name": "leimer_2017_rbpesc-image.png", "type": "image/png", "size": 969130, "path": "Publication:leimer_2017_rbpesc", "url": "https://www.cg.tuwien.ac.at/research/publications/2017/leimer_2017_rbpesc/leimer_2017_rbpesc-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2017/leimer_2017_rbpesc/leimer_2017_rbpesc-image:thumb{{size}}.png" }, { "description": null, "filetitle": "preprint", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer_2017_rbpesc-preprint.pdf", "type": "application/pdf", "size": 14650651, "path": 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"projects_workgroups": [ { "id": "MAKE-IT-FAB", "workgroup_id": "rend", "drupal_id": 4185, "drupal_path": "/research/projects/MAKE-IT-FAB", "name": "MAKE-IT-FAB: Modeling of Shapes for Personal Fabrication", "name_de": null, "short_title": "MAKE-IT-FAB", "website": null, "status": "active", "short_abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. 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The outcome of the project will be a set of algorithmic solutions for high-level shape modeling for instant personal fabrication.", "start_date": "2015-04-01", "end_date": "2020-03-31", "leader_id": 844, "logo": { "name": "logo.jpg", "path": "project:MAKE-IT-FAB", "type": "image/jpeg", "size": 80511, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P27972-N31", "comment": null } ], "research_areas": [ "Fabrication" ], "publications": [ "aichner-2016-sadf", "birsak-2017-dpe", "birsak-thesis", "Birsak2018-SA", "erler-2020-p2s", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "steiner_2016_isad", "WINKLER-2019-PDG" ], "url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2017/leimer_2017_rbpesc/", "__class": "Publication" }, { "id": "leimer-2016-rpe", "type_id": "poster", "tu_id": null, "repositum_id": null, "title": "Relation-Based Parametrization and Exploration of Shape Collections", "date": "2016-07", "abstract": "With online repositories for 3D models like 3D Warehouse becoming more prevalent and growing ever larger, new possibilities have opened up for both experienced and inexperienced users alike. These large collections of shapes can provide inspiration for designers or make it possible to synthesize new shapes by combining different parts from already existing shapes, which can be both easy to learn and a fast way of creating new shapes.\n\nBut exploring large shape collections or searching for particular kinds of shapes can be difficult and time-consuming tasks as well, especially considering that online repositories are often disorganized. In our work, we propose a relation-based way to parametrize shape collections, allowing the user to explore the entire set of shapes by controlling a small number of parameters.", "authors_et_al": false, "substitute": null, "main_image": { "description": "thumbnail", "filetitle": "thumbnail", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1589, "image_height": 1028, "name": "leimer-2016-rpe-thumbnail.jpg", "type": "image/jpeg", "size": 835063, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-thumbnail.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-thumbnail:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" }, { "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", 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"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", "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": "Ams25", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "antes-2026-maa", "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", 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"https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=844", "__class": "Author" } ], "booktitle": "ACM SIGGRAPH 2016 Posters", "date_from": "2016-07-24", "date_to": "2016-07-28", "event": "ACM SIGGRAPH 2016", "isbn": "978-1-4503-4371-8", "location": "Anaheim, CA, USA", "pages_from": "34:1", "pages_to": "34:1", "publisher": "ACM", "research_areas": [ { "id": "Geometry", "drupal_id": 4129, "name": "Geometry Processing", "short_abstract": "Uses concepts from applied mathematics and computer science to design efficient algorithms for the reconstruction, analysis, manipulation, simulation and transmission of complex 3D models. Example applications are collision detection, reconstruction, compression, occlusion-aware surface handling and improved sampling conditions.", "abstract": "We perform research in surface reconstruction from point clouds, geometry processing and geometry representations. We use parallel processing of thousands of GPU cores to enable flash geometry operations in real-time.\nNovel data structures are evaluated to reduce the time complexity of geometric operations, such as collision detection or occlusion-aware surface processing.\nIn computational geometry, we prove concepts relating samples to curves and manifolds. We also research novel surface description paradigms and according operators, representing large point cloud data in a probabilistic way. 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particularly the creation of high-quality 3D geometric models. These models are a demand in many industries, such as entertainment, computer-aided design, urban planning, the fabrication of physical objects, as well as research areas like medical or scientific visualizations and simulations.\n\nWhile rendering - the classical field of computer graphics - has reached very high standards in the recent two decades, the issue of the creation of appropriate digital models is a difficult problem that hardly keeps pace with current demands. Indeed, it is a complex creative process that involves both artistic and technical skills.\n\nTo make this process easier, our goal in this research area is to find new methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "website": "https://www.cg.tuwien.ac.at/research/area/Modeling", "teaser": { "name": "teaser.jpg", "path": "research_area:Modeling", "type": "image/jpeg", "size": 190581, "orig_name": "teaser.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Modeling/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "AA2020", "Adorjan-2015", "aichner-2016-sadf", "arikan-2013-osn", "birsak-thesis", "Birsak2018-SA", "Brandstaetter2020", "brunner_lukas_2022_ssb", "Caic2021", "clemenz_2019_rosy_fields", "DOG10", "dusberger-2010-msm", "eibens-2021-tsgpmg", "eibensteiner-2021-pmcg", "eibner-2009-gpc", "Erhardt_2025_Scutes", "erler_2024_ppsurf", 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analysis", "shape collections" ], "weblinks": [], "files": [ { "description": "abstract", "filetitle": "abstract", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2016-rpe-abstract.pdf", "type": "application/pdf", "size": 1415754, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-abstract.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-abstract:thumb{{size}}.png" }, { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 3434, "image_height": 2277, "name": "leimer-2016-rpe-image.jpg", "type": "image/jpeg", "size": 2935937, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-image:thumb{{size}}.png" }, { "description": "poster", "filetitle": "poster", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2016-rpe-poster.pdf", "type": "application/pdf", "size": 1305359, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-poster.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-poster:thumb{{size}}.png" }, { "description": "thumbnail", "filetitle": "thumbnail", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1589, "image_height": 1028, "name": "leimer-2016-rpe-thumbnail.jpg", "type": "image/jpeg", "size": 835063, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-thumbnail.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-thumbnail:thumb{{size}}.png" }, { "description": "video", "filetitle": "video", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2016-rpe-video.mp4", "type": "video/mp4", "size": 7108944, "path": "Publication:leimer-2016-rpe", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-video.mp4", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-video:thumb{{size}}.png", "video_mp4": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/leimer-2016-rpe-video:video.mp4" } ], "projects_workgroups": [ { "id": "MAKE-IT-FAB", "workgroup_id": "rend", "drupal_id": 4185, "drupal_path": "/research/projects/MAKE-IT-FAB", "name": "MAKE-IT-FAB: Modeling of Shapes for Personal Fabrication", "name_de": null, "short_title": "MAKE-IT-FAB", "website": null, "status": "active", "short_abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. Our goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. ", "abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. \nOur goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. In particular, we want to research following aspects: (i) We want to address the currently pending problem of high-level shape understanding, (ii) we want to research novel high-level shape modeling methods for interactive creation of plausible and aesthetically appealing shapes, and finally, (iii) we want to address optimization problems related to instant desktop 3D printing, such that modeled objects can be directly fabricated. The outcome of the project will be a set of algorithmic solutions for high-level shape modeling for instant personal fabrication.", "start_date": "2015-04-01", "end_date": "2020-03-31", "leader_id": 844, "logo": { "name": "logo.jpg", "path": "project:MAKE-IT-FAB", "type": "image/jpeg", "size": 80511, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P27972-N31", "comment": null } ], "research_areas": [ "Fabrication" ], "publications": [ "aichner-2016-sadf", "birsak-2017-dpe", "birsak-thesis", "Birsak2018-SA", "erler-2020-p2s", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "steiner_2016_isad", "WINKLER-2019-PDG" ], "url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-rpe/", "__class": "Publication" }, { "id": "leimer-2016-coan", "type_id": "masterthesis", "tu_id": null, "repositum_id": null, "title": "Co-Analysis and Parameterization of 3D Shape Collections for Shape Synthesis", "date": "2016", "abstract": "With online model repositories growing larger every day, both experienced and inexperienced modelers are presented with new possibilities for content creation. One such possibility is the creation of new shapes by combining parts of already existing shapes. The advantages of this shape synthesis method are that it takes less time than traditional modeling approaches and that it can be used even by inexperienced users. This thesis introduces a framework for this type of shape synthesis that consists of four stages, incorporating a new way for parameterization and exploration of shape collections. Using a modular and extensible approach, the co-analysis stage groups parts of shapes into categories based on their function, creating a correspondence between parts of different shapes. By analyzing relations between pairs of parts and how their spatial arrangements vary across the collection, a small number of parameters is found in the parameterization stage. Starting with an initial shape, these parameters can then be used to browse the collection in the exploration stage, either by altering the parameters directly or by interacting with the shape itself. Finally, in the synthesis stage a new shape can be created by exchanging parts of the initial shape with corresponding parts of the shapes found during the exploration.", "authors_et_al": false, "substitute": null, "main_image": { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 581, "image_height": 342, "name": "leimer-2016-coan-image.png", "type": "image/png", "size": 174845, "path": "Publication:leimer-2016-coan", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/leimer-2016-coan-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/leimer-2016-coan-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" } ], "date_end": "2016-02-29", "date_start": "2015-01-30", "matrikelnr": "0825842", "supervisor": [ { "id": 844, "drupal_id": 174, "orcid_id": "0000-0001-6429-8190", "website": "https://www.cg.tuwien.ac.at/staff/PrzemyslawMusialski", "firstname": "Przemyslaw", "lastname": "Musialski", "searchname": "Przemyslaw Musialski", "is_teacher": false, "name": "Przemyslaw Musialski", "publications": [ "Auzinger_2013_NSAA", "birsak-2013-sta", "birsak-2014-agtb", 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"fleiss-2015-da", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "gersthofer-2016-sosob", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "hafner-2015-eigf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "kavelar_albert_2010_ebic", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "koessler-2013-BA", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Kollmann-2015-DoF", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "kreuzer-2016-isf", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2014-fsco", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2016-coan", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2023-ecd", "field_id": "co_supervisor", "ordernum": 0 }, { "publ_id": "manpreet_kainth-2012-rus", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "musialski_2016_sosp", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2009-sbfr", "field_id": "lecturer", "ordernum": 0 }, { 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"publ_id": "WINKLER-2019-PDG", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "zapotocky_2013_ma", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=844", "__class": "Author" } ], "research_areas": [ { "id": "Modeling", "drupal_id": 4130, "name": "Modeling", "short_abstract": "In this area, we focus on researching methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "abstract": "One of the major bottlenecks in the field of computer graphics is the one of content creation, particularly the creation of high-quality 3D geometric models. These models are a demand in many industries, such as entertainment, computer-aided design, urban planning, the fabrication of physical objects, as well as research areas like medical or scientific visualizations and simulations.\n\nWhile rendering - the classical field of computer graphics - has reached very high standards in the recent two decades, the issue of the creation of appropriate digital models is a difficult problem that hardly keeps pace with current demands. Indeed, it is a complex creative process that involves both artistic and technical skills.\n\nTo make this process easier, our goal in this research area is to find new methods and algorithms that facilitate creation, representation, analysis and processing of 3D models.", "website": "https://www.cg.tuwien.ac.at/research/area/Modeling", "teaser": { "name": "teaser.jpg", "path": "research_area:Modeling", "type": "image/jpeg", "size": 190581, "orig_name": "teaser.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/research_area/Modeling/teaser:thumb{{size}}.png", "thumb_image_sizes": [ 64, 120, 300 ] }, "workgroups": [ "rend" ], "publications": [ "AA2020", "Adorjan-2015", "aichner-2016-sadf", "arikan-2013-osn", "birsak-thesis", "Birsak2018-SA", "Brandstaetter2020", "brunner_lukas_2022_ssb", "Caic2021", "clemenz_2019_rosy_fields", "DOG10", "dusberger-2010-msm", "eibens-2021-tsgpmg", "eibensteiner-2021-pmcg", "eibner-2009-gpc", "Erhardt_2025_Scutes", "erler_2024_ppsurf", "erler_philipp-2016-femfluid-prakt", "erler_philipp-2017-phd", "erler-2020-p2s", "erler-2025-lidarscout", "fan-2014-scfl", "ferschin-1992-kons", "fiedler-2009-php", "fleiss-2015-da", "GAHR-2013-AGM", "gamsjaeger-2022-proc", "gersthofer-2016-sosob", "gervautz-1989-sol1", "gervautz-1993-use", "griessmair-1989-def1", "groeller-1992-frac", "groeller-1995-mod", "Groeller-1995-SDC", "Grossfurtner-2023-paego", "Guerrero-2014-GRF", "Guerrero-2014-TPS", "guerrero-2015-lsp", "HECHER-2017-HDY", "hiess-1992-comb", "hofer_kerstin-2023-sketch2model", "honic-2020-w78", "HU-2017-ETM", "HUMMEL-2001-MSE", "Ilcik_2015_LAY", "ilcik-2010-ps", "ilcik-2013-cipmi", "ilcik-2014-cgbpmi", "ilcik-2016-cmssg", "ilcik-2021-xmas", "kapferer_2021_advancing", "karnik-09-shapegrammar", "Kellner-2021-DA", "kendlbacher-2016", "klein_2019_PGG", "klein_2019_PHD", "klein_2019_PMP", "koenigsberger-2024-msu", "komon-2025-webigeo", "kouril-2015-maya2cellview", "kouril-2017-sccgposter", "kraehsmaier-dsc", "kreuzer-2016-isf", "kuehtreiber-2010-ikph", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd", "LEOPOLD-2017-ALG", "LIPP-2007-CGA", "LIPP-2008-IEV", "LIPP-2009-PGL", "LIPP-2009-PGL2", "lipp2011a", "macho_jonas-2024-baa", "Maierhofer-thesis", "manpreet_kainth-2012-rus", "miao_kaust_2018", "miao_nantech_2019", "miao_nar_2020", "miao_thesis_2019", "mindek-xmas-card-2016", "mujadzic-2023-hfp", "musialski-2009-sbfr", "musialski-2010-pfi", "musialski-2010-tof", "musialski-2012-icb", "musialski-2012-sur", "Musialski-2013-ipmum", "musialski-2013-surcgf", "NIEDERREITER-2010-SIM", "Pahr2020", "Parzer_2013_IIG", "pegrisch_2018_uvs", "pogrzebacz-2014-gggm", "polzer-sog", "preiner_2017_phd", "PUEYO-2019-SCL", "RADAX-2010-LOD", "Radwan_2021_Occ", "rasch-2016-imgses", "recheis-2009-arr", "Reichinger-12", "reisinger-2023-iad", "reisner-2010-ind", "reisner-2011-akgeo", "reitsamer-2008-tsud", "Rumpelnik_Martin-2020-NPR", "scharl-master-thesis", "scholz_2017_bac", "SCHWAERZLER-2017-SBGM", "SIETZEN-2017-BBO", "sifuentes-2018-crowd", "sippl-2014-fss", "sperl-2013-BA", "spitaler-2015-pbi", "steiner_2016_isad", "steiner-2014-da", "steinkellner-2022-dll", "steinschorn-2023-p2m", "steinschorn-2025-par", "steinschorn-2025-parameter", "tobler02_amrmg", "tobler02_mbpls", "Traxler-1996-GAI", "VASILJEVS-2018-PMPL", "Viola_Ivan_2013_RMA", "Viola_Ivan_2013_RSb", "weiner_2011", "WIMMER-2015-CGFC", "WIMMER-2016-FUTURIS", "WIMMER-2020-ASG", "wimmer-2023-acd", "Winkler-2017", "WINKLER-2019-PDG", "Wonka-2003-Ins", "xmas-2024", "zeiller-1993-coll", "Zotti-2003-AMP", "zotti-2003-ash", "zotti-2006-pla", "zotti-2007-eg" ], "projects": [ "3DSpatialization", "d4388", "EVOCATION", "GAMEWORLD", "Harvest4D", "PAMINA", "Photo-Guide", "REPLICATE", "SCI_BIM", "Wohnen 4.0" ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=ResearchArea&id=Modeling", "__class": "ResearchArea" } ], "keywords": [ "computer graphics", "3D shape 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"thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/leimer-2016-coan-poster:thumb{{size}}.png" }, { "description": "thesis", "filetitle": "thesis", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2016-coan-thesis.pdf", "type": "application/pdf", "size": 23133043, "path": "Publication:leimer-2016-coan", "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/leimer-2016-coan-thesis.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/leimer-2016-coan-thesis:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "MAKE-IT-FAB", "workgroup_id": "rend", "drupal_id": 4185, "drupal_path": "/research/projects/MAKE-IT-FAB", "name": "MAKE-IT-FAB: Modeling of Shapes for Personal Fabrication", "name_de": null, "short_title": "MAKE-IT-FAB", "website": null, "status": "active", "short_abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. Our goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. ", "abstract": "The aim of this project is to investigate and to contribute to shape modeling and geometry processing for personal fabrication---a trend that currently receives intensified attention in the science and industry. \nOur goal is to contribute novel algorithmic solutions for fabrication-aware shape processing and interactive modeling. In particular, we want to research following aspects: (i) We want to address the currently pending problem of high-level shape understanding, (ii) we want to research novel high-level shape modeling methods for interactive creation of plausible and aesthetically appealing shapes, and finally, (iii) we want to address optimization problems related to instant desktop 3D printing, such that modeled objects can be directly fabricated. The outcome of the project will be a set of algorithmic solutions for high-level shape modeling for instant personal fabrication.", "start_date": "2015-04-01", "end_date": "2020-03-31", "leader_id": 844, "logo": { "name": "logo.jpg", "path": "project:MAKE-IT-FAB", "type": "image/jpeg", "size": 80511, "orig_name": "logo.jpg", "thumb_url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB/logo:thumb{{size}}.png", "thumb_image_sizes": [ 120, 300 ] }, "funding_organisations": [ { "id": "fwf", "contract_number": "P27972-N31", "comment": null } ], "research_areas": [ "Fabrication" ], "publications": [ "aichner-2016-sadf", "birsak-2017-dpe", "birsak-thesis", "Birsak2018-SA", "erler-2020-p2s", "gersthofer-2016-sosob", "hafner-2015-eigf", "hafner-2015-onff", "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "musialski_2016_sosp", "musialski-2015-ista", "musialski-2015-pixel", "musialski-2015-souos", "musialski-2015-vrvis", "steiner_2016_isad", "WINKLER-2019-PDG" ], "url": "https://www.cg.tuwien.ac.at/research/projects/MAKE-IT-FAB", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2016/leimer-2016-coan/", "__class": "Publication" }, { "id": "leimer-2014-fsco", "type_id": "studentproject", "tu_id": null, "repositum_id": null, "title": "A Framework for Shape Co-Analysis", "date": "2014", "abstract": "This application serves as a framework for Co-Analysis, in which a set of meshes of a specific category (e.g. candelabra or chairs) is analysed in an attempt to group the parts constituting each mesh into semantic categories. This is achieved by first individually subdividing each mesh into smaller segments and then clustering the segments of all meshes based on their face-level features. In the example pictured above, the mesh parts are grouped into 4 distinct categories, each represented by a different color. Furthermore, the framework allows the selection of different algorithms for each step of the Co-Analysis pipeline and can also be easily extended by adding more algorithms. ", "authors_et_al": false, "substitute": null, "main_image": { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1121, "image_height": 600, "name": "leimer-2014-fsco-image.jpg", "type": "image/jpeg", "size": 522033, "path": "Publication:leimer-2014-fsco", "url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", 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"lecturer", "ordernum": 0 }, { "publ_id": "Musialski-2013-ipmum", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "musialski-2015-souos", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "recheis-2009-arr", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "schaukowitsch-2013-fls", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "sippl-2014-fss", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "sperl-2013-BA", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "spitaler-2015-pbi", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "spitaler-afr-2011", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "steiner-2014-da", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "trenkwalder-2013-ma", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "WINKLER-2019-PDG", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "zapotocky_2013_ma", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=844", "__class": "Author" } ], "research_areas": [], "keywords": [ "shape processing", "shape segmentation", "shape co-analysis" ], "weblinks": [], "files": [ { "description": "docu", "filetitle": "docu", "main_file": false, "use_in_gallery": false, "access": "public", "name": "leimer-2014-fsco-docu.pdf", "type": "application/pdf", "size": 356192, "path": "Publication:leimer-2014-fsco", "url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-docu.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-docu:thumb{{size}}.png" }, { "description": "image", "filetitle": "image", "main_file": false, "use_in_gallery": true, "access": "public", "image_width": 1121, "image_height": 600, "name": "leimer-2014-fsco-image.jpg", "type": "image/jpeg", "size": 522033, "path": "Publication:leimer-2014-fsco", "url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-image.jpg", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/leimer-2014-fsco-image:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "PAMINA", "workgroup_id": "rend", "drupal_id": 4201, "drupal_path": "/research/projects/PAMINA", "name": "Data-Driven Procedural Modeling of Interiors", "name_de": null, "short_title": "PAMINA", "website": null, "status": "active", "short_abstract": "The project develops new procedural modeling methods for interior scenes.", "abstract": "We propose new methods to allow efficient and interactive procedural generation of building interiors. The goal will be to use procedural modeling, graph theory and optimization methods for the automated design of highly detailed, furnished rooms.\n\nOur techniques will greatly extend the range of high-quality indoor environments that can be efficiently created by individual users. This will be achieved by (1) a high level of abstraction by description of object classes, (2) the automated creation of designs, and (3) the reusability and variability of created designs.\n\nTarget applications include indoor architecture design, everyday furniture planning, real estates marketing, digital content creation for games and movies, facility management, historical and archaeological visualizations and many more.\n\nFor automated model creation, we will improve the concept of shape grammars. A data-driven design approach will transform semantic description of interior designs to geometric models. It will select and combine grammar rules from a special evolving repository and use the resulting procedures for creation of a large variety of original models. User interaction will be minimized by utilization of abstract descriptions, however direct geometry editing will be still possible.\n\nOur approach will also allow efficient editing of existing designs with automatic preservation of semantic and geometric plausibility. As interiors are often created in many iterations, the costs of refinement steps and error corrections will be strongly reduced.\n\nCurrent procedural techniques for interiors are focused on very specific, partial problems. Our results will become a part of a unified content production pipeline for creation of multi-scale urban environments from the city level all the way to furnished interiors of single houses. The research will be divided into three main computer graphics basic research problems:\n\n1.\tFloor planning divides a floor into rooms. Semantics and architectural knowledge determine their connections, sizes and shapes. Our contribution will be a graph-based layout algorithm for arbitrarily shaped rooms with a guarantee of no empty spaces and a minimum of parameters.\n\n2.\tFurniture placement arranges furniture items inside of a room. Mutual relations, functionality, ergonomics and room style determine the layout. Our contribution will be an automated optimization of layouts for illumination, ergonomics and emergency situations, as well as high-level control of layouts by semantic styling.\n\n3.\tFurniture generation creates furniture models, manages the configuration of their movable parts and applies textures. Our contribution will be general polyhedral furniture shapes, model generation inside of constrained spaces, and kinematics of models and posture selection.\n", "start_date": "2012-10-01", "end_date": "2017-09-30", "leader_id": 193, "logo": null, "funding_organisations": [ { "id": "fwf", "contract_number": "P24600-N23", "comment": null } ], "research_areas": [ "Modeling" ], "publications": [ "bernhard-2014-EFD", "eibensteiner-2016-pmg", "fan-2014-scfl", "fleiss-2015-da", "goetz_johann-cagmfp", "gurtler-2014-ssggm", "Ilcik_2015_LAY", "ilcik-2013-cipmi", "ilcik-2013-pmsg", "ilcik-2014-cgbpmi", "ilcik-2016-cmssg", "kreuzer-2016-isf", "leimer-2014-fsco", "pezenka_lukas2012-bspcga", "pogrzebacz-2014-gggm", "spitaler-2015-pbi", "steiner_2016_isad", "sturl_andreas-caflm", "VASILJEVS-2018-PMPL" ], "url": "https://www.cg.tuwien.ac.at/research/projects/PAMINA", "__class": "Project" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2014/leimer-2014-fsco/", "__class": "Publication" }, { "id": "leimer-2013-esopc", "type_id": "bachelorthesis", "tu_id": null, "repositum_id": null, "title": "External Sorting of Point Clouds", "date": "2013-09", "abstract": "In recent years, points have seen increased use as a rendering primitive. This Bachelor Thesis presents and compares a number of sorting algorithms used for sorting points in a preprocessing step. This is done in order to decrease the time needed to create a point cloud model that can be rendered by the GPU in real time. Points are compared either by their position along the longest axis or by Morton order and sorted using heap sort or radix sort. An external merge sort algorithm is used for large datasets that do not completely fit into memory. The speed of the sorting process is furthermore increased by making use of parallel processing.", "authors_et_al": false, "substitute": null, "main_image": { "description": "Test model for sorting", "filetitle": "image", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1382, "image_height": 873, "name": "leimer-2013-esopc-image.png", "type": "image/png", "size": 2914077, "path": "Publication:leimer-2013-esopc", "url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-image:thumb{{size}}.png" }, "sync_repositum_override": null, "repositum_presentation_id": null, "authors": [ { "id": 1019, "drupal_id": 609, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/KurtLeimer", "firstname": "Kurt", "lastname": "Leimer", "searchname": "Kurt Leimer", "is_teacher": false, "name": "Kurt Leimer", "publications": [ "leimer_2017_rbpesc", "leimer_2020-cag", "leimer-2013-esopc", "leimer-2014-fsco", "leimer-2016-coan", "leimer-2016-rpe", "leimer-2018-sar", "leimer-2023-ecd" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "leimer-2018-sar", "field_id": "lecturer", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=1019", "__class": "Author" } ], "matrikelnr": "0825842", "supervisor": [ { "id": 614, "drupal_id": 264, "orcid_id": null, "website": "https://www.cg.tuwien.ac.at/staff/ClausScheiblauer", "firstname": "Claus", "lastname": "Scheiblauer", "searchname": "Claus Scheiblauer", "is_teacher": false, "name": "Claus Scheiblauer", "publications": [ "arikan-2014-pcvis", "mayer_2011_cipa", "Scheiblauer-2006-DA", "Scheiblauer-2008-DCW", "SCHEIBLAUER-2009-IDCE", "SCHEIBLAUER-2009-xmas", "scheiblauer-2011-cag", "scheiblauer-2011-chnt", "scheiblauer-2012-chnt", "scheiblauer-2013-wscg", "SCHEIBLAUER-2015-WFC", "scheiblauer-thesis", "WIMMER-2006-IP" ], "publications_first": [], "project_leader": [], "publication_field": [ { "publ_id": "Bogner-2008-MTh", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Hebart-2011-ColorAdjustment", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "leimer-2013-esopc", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "marek-2011-normalest", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "mayer_2011_cipa", "field_id": "lecturer", "ordernum": 1 }, { "publ_id": "mazza-2012-bakk", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "PLUCH-2009-ANP", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "PREINER-2009-GIPC", "field_id": "supervisor", "ordernum": 1 }, { "publ_id": "Scheiblauer-2008-DCW", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "SCHEIBLAUER-2009-IDCE", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "scheiblauer-2011-chnt", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "scheiblauer-2012-chnt", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "scheiblauer-2013-wscg", "field_id": "lecturer", "ordernum": 0 }, { "publ_id": "Tragust-2012-GMHPC", "field_id": "supervisor", "ordernum": 0 }, { "publ_id": "Tragust-2014-master-thesis", "field_id": "supervisor", "ordernum": 0 } ], "url": "https://www.cg.tuwien.ac.at/research/publications/show.php?class=Author&id=614", "__class": "Author" } ], "research_areas": [], "keywords": [ "Point Clouds", "Sorting", "Out-of-Core algorithms" ], "weblinks": [], "files": [ { "description": "Test model for sorting", "filetitle": "image", "main_file": false, "use_in_gallery": false, "access": "public", "image_width": 1382, "image_height": 873, "name": "leimer-2013-esopc-image.png", "type": "image/png", "size": 2914077, "path": "Publication:leimer-2013-esopc", "url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-image.png", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-image:thumb{{size}}.png" }, { "description": "The Bachelors Thesis", "filetitle": "thesis", "main_file": true, "use_in_gallery": false, "access": "public", "name": "leimer-2013-esopc-thesis.pdf", "type": "application/pdf", "size": 5920226, "path": "Publication:leimer-2013-esopc", "url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-thesis.pdf", "thumb_image_sizes": [ 16, 64, 100, 175, 300, 600 ], "thumb_url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/leimer-2013-esopc-thesis:thumb{{size}}.png" } ], "projects_workgroups": [ { "id": "TERAPOINTS", "workgroup_id": "rend", "drupal_id": 4236, "drupal_path": "/research/projects/TERAPOINTS", "name": "TERAPOINTS - High Quality Visualization and Interaction with Gigantic Point Data Sets", "name_de": null, "short_title": "TERAPOINTS", "website": null, "status": "active", "short_abstract": "Laser 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.", "abstract": "Project partners:\n\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" } ], "url": "https://www.cg.tuwien.ac.at/research/publications/2013/leimer-2013-esopc/", "__class": "Publication" } ]