tutorial 10
T10  Advanced Topics in Virtual Garment Simulation

Date: Monday, September 3rd, Time: 14:00 - 17:30, Location: Lecture Room 133

Organizers:  Bernhard Thomaszewski (WSI/GRIS, University of Tübingen)
Markus Wacker (Computer graphics, University of Applied Sciences Dresden)
Wolfgang Straßer (WSI/GRIS, University of Tübingen)
Speakers:  Bernhard Thomaszewski (WSI/GRIS, University of Tübingen)
Markus Wacker (Computer graphics, University of Applied Sciences Dresden)
Nadia Magnenat-Thalmann (MiraLab, Geneva)
Etienne Lyard (MiraLab, Geneva)


For more than two decades, cloth simulation has been an active research area in computer graphics. In order to create efficient, high-quality animations, techniques from many research fields have to be thoroughly combined. The ongoing interest in this field is also due to the multidisciplinary nature of cloth simulation which spurs development and progess in collision detection, numerical time integration, constrained dynamics or motion control, to name just a few areas. Beyond the very basic approaches, the complexity of the material can be daunting if no guidance is given. It is therefore the goal of this tutorial to provide the reader with an introduction and a guideline to the relevant matter. In order to provide a concise review, we will focus on advanced topics in cloth simulation, shedding light on both theoretical and practical aspects. We cover challenging research fields like the correct and efficient modelling of textile bending behaviour, parallel implementation of cloth simulation modules, multilayer garments. Moreover, an integrated framework for virtual try-on applications including body modelling and animation combined with real time cloth simulation is discussed. This will pave the ground for those willing to implement a contemporaneous cloth simulation system as well as for researchers who consider to start working in this area.

Extended Summary

For virtual characters the simulation of garments is a vital component towards realistic and believable scenarios that range from interactive virtual reality (virtual tailoring and cultural heritage) to realistic synthetic animation (CAD modeling and film production). This course addresses advanced techniques involved in the latest state-of-the-art in physically based cloth simulation. The course will present the following topics:
  • Various methods for a realistically looking bending behaviour
  • Parallel algorithms and implementations for implicit time integration and collision handling
  • Measurement techniques for textile parameters to integrate into multilayer garments and to simulate seams
  • An integrated framework fitting virtual avatars with real time simulated garments

Speakers' Background

Nadia Magnenat-Thalmann has pioneered research into virtual humans over the last 25 years. She obtained several Bachelorís and Masterís degrees in various disciplines (Psychology, Biology and Chemistry) and a Ph.D. in Quantum Physics from the University of Geneva. From 1977 to 1989, she was a Professor at the University of Montreal and led the research lab MIRALab in Canada. She moved to the University of Geneva in 1989, where she founded the Swiss MIRALab, an internationally interdisciplinary lab composed of about 30 researchers. She is author and coauthor of a very high number of research papers and books in the field of modeling virtual humans, interacting with them and in augmented life. She has received several scientific and artistic awards for her work, mainly on the Virtual Marylin and the film Rendez-Vous ŗ Montreal. She has directed and produced several films and real-time mixed reality shows, among the latest are the Utopians (2001), Dreams of a Mannequin (2003) and the Augmented Life in Pompeii (2004). She is editor-in-chief of the Visual Computer Journal published by Springer Verlag and coeditor-in-chief of the Computer Animation & Virtual Worlds journal published by John Wiley.

Etienne Lyard obtained his "Diplome d'Etudes Approfondies" (Master equivalent) in Computer graphics, vision and robotics from the University of Grenoble in 2002. During the academic year 2002/2003 he worked as a research scholar at the Multisensory Computation Lab (Rutgers University, New Jersey). Since September 2003 he is working as a research assistant and Ph.D. candidate at MIRALab.

Markus Wacker studied Mathematics and Physics at the University of Tübingen and the scuola normale superiore in Pisa, Italy. He received his Master degree in 1997. Afterwards he continued with his Ph.D. in Mathematics at the University of Tübingen in the field of functional analysis with research stays in Memphis, Tennessee, USA and Lecce, Italy. Since 2001 he is member of the graphics research group at the University of Tübingen and project leader of the national research project Virtual Try-On. He now has a professorship at the University of Applied Sciences Dresden for Computer Graphics. His main research areas are physically modeling of material parameters, finite element methods and design and tailoring applications in virtual reality.

Bernhard Thomaszewski studied Informatics and Physics at the University of Tübingen with a research stay at the EVASION group at INRIA, Grenoble. His diploma thesis was concerned with the physically based simulation of thin flexible objects. He is currently a Ph.D. student at the graphics research group at the University of TŁbingen.

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Last update : 12.05.2011

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