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.
Novel data structures are evaluated to reduce the time complexity of geometric operations, such as collision detection or occlusion-aware surface processing.
In 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.


43 Publications found:
Image Bib Reference Publication Type
Kurt Leimer, Andreas Winkler, Stefan Ohrhallinger, Przemyslaw Musialski
Pose to Seat: Automated design of body-supporting surfaces
Computer Aided Geometric Design, 79:1-1, April 2020. [image] [paper]
Journal Paper (without talk)
Reinhold Preiner, Tamy Boubekeur, Michael Wimmer
Gaussian-Product Subdivision Surfaces
ACM Transactions on Graphics, 38(4):35:1-35:11, July 2019. [image] [Paper]
Journal Paper with Conference Talk
Stefan Ohrhallinger, Michael Wimmer
FitConnect: Connecting Noisy 2D Samples by Fitted Neighborhoods
Computer Graphics Forum, 38(1):126-137, February 2019. [paper] [Replicability Source Code]
Journal Paper with Conference Talk
Kurt Leimer, Michael Birsak, Florian Rist, Przemyslaw Musialski
Sit & Relax: Interactive Design of Body-Supporting Surfaces
Computer Graphics Forum, 37(7):349-359, October 2018. [preprint] [video]
Journal Paper with Conference Talk
Stefan Ohrhallinger, Michael Wimmer
StretchDenoise: Parametric Curve Reconstruction with Guarantees by Separating Connectivity from Residual Uncertainty of Samples
In Proceedings of Pacific Graphics 2018, pages 1-4. August 2018.
[image] [paper] [Extended version] [source]
Conference Paper
Bernhard Steiner, Elham Mousavian, Fatemeh Mehdizadeh Saradj, Michael Wimmer, Przemyslaw Musialski
Integrated Structural-Architectural Design for Interactive Planning
Computer Graphics Forum, 36(8):80-94, December 2017. [preprint]
Journal Paper (without talk)
Kurt Leimer, Lukas Gersthofer, Michael Wimmer, Przemyslaw Musialski
Relation-Based Parametrization and Exploration of Shape Collections
Computers & Graphics, 67:127-137, October 2017. [preprint] [video]
Journal Paper (without talk)
Reinhold Preiner
Dynamic and Probabilistic Point-Cloud Processing
Supervisor: Michael Wimmer
Duration: 2010-2017
Mohamed Radwan, Stefan Ohrhallinger, Elmar Eisemann, Michael Wimmer
Cut and Paint: Occlusion-Aware Subset Selection for Surface Processing
In Proceedings of Graphics Interface 2017, pages 82-89. May 2017.
Conference Paper
Jeremy Forsythe, Vitaliy Kurlin, Andrew Fitzgibbon
Resolution-independent superpixels based on convex constrained meshes without small angles
Lecture Notes in Computer Science (LNCS), 10072:223-233, December 2016. [paper] [slides]
Journal Paper with Conference Talk
Tamy Boubekeur, Paolo Cignoni, Elmar Eisemann, Michael Goesele, Reinhard Klein, Stefan Roth, Michael Weinmann, Michael Wimmer
Harvesting Dynamic 3DWorlds from Commodity Sensor Clouds
In Proceedings of the 14th Eurographics Workshop on Graphics and Cultural Heritage, pages 19-22. October 2016.
Conference Paper
Kurt Leimer, Michael Wimmer, Przemyslaw Musialski
Relation-Based Parametrization and Exploration of Shape Collections
Poster shown at ACM SIGGRAPH 2016 (24. July 2016-28. July 2016) In ACM SIGGRAPH 2016 Posters , pages 34:1-34:1.
[abstract] [poster] [video]
Stefan Ohrhallinger, Scott A. Mitchell, Michael Wimmer
Curve Reconstruction with Many Fewer Samples
Computer Graphics Forum, 35(5):167-176, 2016. [paper] [slides] [Reproducibility Source Code]
Journal Paper with Conference Talk
Przemyslaw Musialski, Christian Hafner, Florian Rist, Michael Birsak, Michael Wimmer, Leif Kobbelt
Non-Linear Shape Optimization Using Local Subspace Projections
ACM Transactions on Graphics, 35(4):87:1-87:13, 2016. [paper_3MB] [supplemental]
Journal Paper with Conference Talk
Paul Guerrero, Thomas Auzinger, Michael Wimmer, Stefan Jeschke
Partial Shape Matching using Transformation Parameter Similarity
Computer Graphics Forum, 33(8):1-14, November 2014. [additonal_material] [paper]
Journal Paper (without talk)
Reinhold Preiner, Oliver Mattausch, Murat Arikan, Renato Pajarola, Michael Wimmer
Continuous Projection for Fast L1 Reconstruction
ACM Transactions on Graphics (Proc. of ACM SIGGRAPH 2014), 33(4):47:1-47:13, August 2014. [paper_small] [paper] [slides] [video]
Journal Paper with Conference Talk
Mohamed Radwan, Stefan Ohrhallinger, Michael Wimmer
Efficient Collision Detection While Rendering Dynamic Point Clouds
In Proceedings of the 2014 Graphics Interface Conference, pages 25-33. May 2014.
[paper] [slides]
Conference Paper
Stefan Ohrhallinger, Sudhir Mudur
An Efficient Algorithm for Determining an Aesthetic Shape Connecting Unorganised 2D Points
Computer Graphics Forum, 32(8):72-88, December 2013. [paper] [slides-ODP] [slides-PDF] [source code]
Journal Paper with Conference Talk
Stefan Ohrhallinger, Sudhir Mudur, Michael Wimmer
Minimizing Edge Length to Connect Sparsely Sampled Unorganized Point Sets
Computers & Graphics (Proceedings of Shape Modeling International 2013), 37(6):645-658, October 2013. [paper] [slides] [source and binaries]
Journal Paper with Conference Talk
Przemyslaw Musialski, Peter Wonka, Daniel G. Aliaga, Michael Wimmer, Luc van Gool, Werner Purgathofer
A Survey of Urban Reconstruction
Computer Graphics Forum, 32(6):146-177, September 2013. [draft]
Journal Paper (without talk)
Claus Scheiblauer, Michael Wimmer
Analysis of Interactive Editing Operations for Out-of-Core Point-Cloud Hierarchies
In WSCG 2013 Full Paper Proceedings, pages 123-132. June 2013.
Conference Paper
Irene Reisner-Kollmann, Stefan Maierhofer, Werner Purgathofer
Reconstruction of Shape Boundaries with Multimodal Constrains
Computer & Graphics, 37(3):137-147, May 2013. [Paper]
Journal Paper (without talk)
Murat Arikan, Michael Schwärzler, Simon Flöry, Michael Wimmer, Stefan Maierhofer
O-Snap: Optimization-Based Snapping for Modeling Architecture
ACM Transactions on Graphics, 32(1):6:1-6:15, January 2013. [draft]
Journal Paper with Conference Talk
Claus Scheiblauer, Michael Wimmer
Graph-based Guidance in Huge Point Clouds
In Proceedings of the 17th International Conference on Cultural Heritage and New Technologies. November 2012.
[paper] [slides]
Conference Paper
Stefan Ohrhallinger
The Intrinsic Shape of Point Clouds
Supervisor: Sudhir Mudur
Duration: Sep 2006 - Jul 2012
Przemyslaw Musialski, Peter Wonka, Daniel G. Aliaga, Michael Wimmer, Luc van Gool, Werner Purgathofer
A Survey of Urban Reconstruction
In EUROGRAPHICS 2012 State of the Art Reports, pages 1-28. May 2012.
[draft-hires] [draft-lowres]
Other Reviewed Publication
Reinhold Preiner, Stefan Jeschke, Michael Wimmer
Auto Splats: Dynamic Point Cloud Visualization on the GPU
In Proceedings of Eurographics Symposium on Parallel Graphics and Visualization, pages 139-148. May 2012.
Conference Paper
Stefan Ohrhallinger, Sudhir Mudur
Minimising Longest Edge for Closed Surface Construction from Unorganised 3D Point Sets
Poster shown at Eurographics 2012 (Best Poster Award) (13. May 2012-18. May 2012) In Poster Proceedings , pages 25-26.
[paper] [poster]
Claus Scheiblauer, Michael Pregesbauer
Consolidated Visualization of Enormous 3D Scan Point Clouds with Scanopy
In Proceedings of the 16th International Conference on Cultural Heritage and New Technologies, pages 242-247. November 2011.
Conference Paper
Claus Scheiblauer, Michael Wimmer
Out-of-Core Selection and Editing of Huge Point Clouds
Computers & Graphics, 35(2):342-351, April 2011. [paper]
Journal Paper (without talk)
Stefan Ohrhallinger, Sudhir Mudur
Interpolating an unorganized 2D point cloud with a single closed shape
Computer-Aided Design, 43(1):1629-1638, January 2011. [paper]
Journal Paper (without talk)
Claus Scheiblauer, Norbert Zimmermann, Michael Wimmer
Interactive Domitilla Catacomb Exploration
In 10th VAST International Symposium on Virtual Reality, Archaeology and Cultural Heritage (VAST09), pages 65-72. September 2009.
Conference Paper
Claus Scheiblauer
Domitilla Catacomb Walkthrough - dealing with more than 1 billion points
In Proceedings of the 13th International Congress on Cultural Heritage and New Technologies. November 2008.
Conference Paper
Michael Wimmer
Do We Need Accurate Reconstruction?
In Proceedings of 11th International Congress on Cultural Heritage and New Technologies. October 2006.
Conference Paper
Michael Wimmer, Claus Scheiblauer
Instant Points: Fast Rendering of Unprocessed Point Clouds
In Proceedings Symposium on Point-Based Graphics 2006, pages 129-136. July 2006.
Conference Paper
Robert F. Tobler, Stefan Maierhofer, Alexander Wilkie
A Multiresolution Mesh Generation Approach for Procedural Definition of Complex Geometry
In Shape Modeling International 2002, pages 35-42. 2002.
Conference Paper
Michael Wimmer, Dieter Schmalstieg
Load Balancing for Smooth LODs
TR-186-2-98-31, December 1998 [paper]
Technical Report
Dieter Schmalstieg, Gernot Schaufler
Smooth Levels of Detail
TR-186-2-97-03, March 1997 [paper]
Technical Report
Dieter Schmalstieg
Lodestar: An Octree-Based Level of Detail Generator for VRML
TR-186-2-96-19, October 1996 [paper]
Technical Report
Christoph Traxler, Michael Gervautz
Calculation of Tight Bounding Volumes for Cyclic CSG-Graphs
TR-186-2-96-03, January 1996 [paper]
Technical Report
Robert F. Tobler, Thomas Galla, Werner Purgathofer
ACSGM -- An adaptive CSG meshing algorithm
TR-186-2-95-13, December 1995 [paper]
Technical Report
Robert F. Tobler, Helwig Löffelmann, Thomas Galla, Werner Purgathofer
BABEL: A Generic Data structure for Geometric Modeling
TR-186-2-95-07, November 1995 [paper]
Technical Report
Helwig Löffelmann, Meister Eduard Gröller
Parametrizing Superquadrics
Proceedings of WSCG:162-172, February 1995.
Journal Paper with Conference Talk
|◀ Results 1 - 43 of 43 ▶|
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Funded Projects

The Research Cluster "Smart Communities and Technologies" (Smart CT) at TU Wien will provide the scientific underpinnings for next-generation complex smart city and communities infrastructures. Cities are ever-evolving, complex cyber physical systems of systems covering a magnitude of different areas. The initial concept of smart cities and communities started with cities utilizing communication technologies to deliver services to their citizens and evolved to using information technology to be smarter and more efficient about the utilization of their resources. In recent years however, information technology has changed significantly, and with it the resources and areas addressable by a smart city have broadened considerably. They now cover areas like smart buildings, smart products and production, smart traffic systems and roads, autonomous driving, smart grids for managing energy hubs and electric car utilization or urban environmental systems research.

3D spatialization creates the link between the internet of cities infrastructure and the actual 3D world in which a city is embedded in order to perform advanced computation and visualization tasks. Sensors, actuators and users are embedded in a complex 3D environment that is constantly changing. Acquiring, modeling and visualizing this dynamic 3D environment are the challenges we need to face using methods from Visual Computing and Computer Graphics. 3D Spatialization aims to make a city aware of its 3D environment, allowing it to perform spatial reasoning to solve problems like visibility, accessibility, lighting, and energy efficiency.
no funding
Contact: Michael Wimmer
1. May 2020 - 30. April 2024 Modeling the World at Scale
Vision: reconstruct a model of the world that permits online level-of-detail extraction.
WWTF Wiener Wissenschafts-, Forschungs- und Technologiefonds ICT19-009 - € 578.450
This Marie-Curie project creates a leading European-wide doctoral college for research in Advanced Visual and Geometric
Computing for 3D Capture, Display, and Fabrication.
Horizon 2020 Marie Sklodowska-Curie Actions (MSCA) ITN 813170
1. September 2019 - 31. August 2022 Superhumans - Walking Through Walls
FWF P32418-N31 - 332.780,70 €
1. December 2015 - 30. November 2020 Real-Time Shape Acquisition with Sensor-Specific Precision
Acquiring shapes of physical objects in real time and with guaranteed precision to the noise model of the sensor devices.
FWF P24600-N23
Contact: Michael Wimmer
The aim of the project is to increase the resources- and energy efficiency through coupling of various digital technologies and methods for data capturing (geometry and materials composition) and modelling (as-built BIM), as well as through gamification.

Collaborative project with several companies and institutes.
FFG 867314 - Stadt der Zukunft
Harvest4D investigates the whole acquisition, modeling and rendering pipeline for incidental data capture.
EU 7th Framework Program 323567
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.
FFG 825842 - FIT-IT Visual Computing
Contact: Michael Wimmer
Oct 2004 - Jun 2007 GameTools
The GameTools Project (GTP) researches and implements next generation realtime 3D Libraries for Geometry/Plants, Visibility and Global Illumination under C++/DirectX9. Platforms: OGRE for PC and Shark3D middleware for PC & consoles.
EU IST - 6th Framework Program