Animation Wrinkling: Augmenting Coarse Cloth Simulations with Realistic-Looking Wrinkles

Damien Rohmer; Tiberiu Popa; Marie-Paule Cani; Stefanie Hahmann; Sheffer Alla

hal-00516411, version 1

Animation Wrinkling: Augmenting Coarse Cloth Simulations with Realistic-Looking Wrinkles

Damien Rohmer () ^1, 2, Tiberiu Popa ³, Marie-Paule Cani () ^1, 2, Stefanie Hahmann () ¹, Sheffer Alla ⁴

ACM Transactions on Graphics 29, 5 (2010) 0

Résumé : Moving garments and other cloth objects exhibit dynamic, complex wrinkles. Generating such wrinkles in a virtual environment currently requires either a time-consuming manual design process, or a computationally expensive simulation, often combined with accurate parameter-tuning requiring specialized animator skills. Our work presents an alternative approach for wrinkle generation which combines coarse cloth animation with a post-processing step for efficient generation of realistic-looking fine dynamic wrinkles. Our method uses the stretch tensor of the coarse animation output as a guide for wrinkle placement. To ensure temporal coherence, the placement mechanism uses a space-time approach allowing not only for smooth wrinkle appearance and disappearance, but also for wrinkle motion, splitting, and merging over time. Our method generates believable wrinkle geometry using specialized curve-based implicit deformers. The method is fully automatic and has a single user control parameter that enables the user to mimic different fabrics.

1 : Laboratoire Jean Kuntzmann (LJK)
CNRS : UMR5224 – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II – Institut Polytechnique de Grenoble - Grenoble Institute of Technology
2 : EVASION (INRIA Grenoble Rhône-Alpes / LJK Laboratoire Jean Kuntzmann)
CNRS : UMR5224 – INRIA – Laboratoire Jean Kuntzmann – Institut National Polytechnique de Grenoble (INPG) – Université Joseph Fourier - Grenoble I – Université Pierre-Mendès-France - Grenoble II
3 : Eldgenössische Technische Hochschule Zürich (ETH Zürich)
ETH Zurich
4 : Computer Science Department (UBC-Computer Science)
University of British Columbia

Collaboration : UBC

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Contributeur : Damien Rohmer <>
Soumis le : Mercredi 22 Septembre 2010, 14:19:34
Dernière modification le : Jeudi 23 Septembre 2010, 11:25:48

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%% hal-00516411, version 1
%% http://hal.archives-ouvertes.fr/hal-00516411
@article{rohmer:hal-00516411,
    hal_id = {hal-00516411},
    url = {http://hal.archives-ouvertes.fr/hal-00516411},
    title = {{Animation Wrinkling: Augmenting Coarse Cloth Simulations with Realistic-Looking Wrinkles}},
    author = {Rohmer, Damien and Popa, Tiberiu and Cani, Marie-Paule and Hahmann, Stefanie and Alla, Sheffer},
    abstract = {{Moving garments and other cloth objects exhibit dynamic, complex wrinkles. Generating such wrinkles in a virtual environment currently requires either a time-consuming manual design process, or a computationally expensive simulation, often combined with accurate parameter-tuning requiring specialized animator skills. Our work presents an alternative approach for wrinkle generation which combines coarse cloth animation with a post-processing step for efficient generation of realistic-looking fine dynamic wrinkles. Our method uses the stretch tensor of the coarse animation output as a guide for wrinkle placement. To ensure temporal coherence, the placement mechanism uses a space-time approach allowing not only for smooth wrinkle appearance and disappearance, but also for wrinkle motion, splitting, and merging over time. Our method generates believable wrinkle geometry using specialized curve-based implicit deformers. The method is fully automatic and has a single user control parameter that enables the user to mimic different fabrics.}},
    keywords = {Cloth, Wrinkle Modeling, Procedural Animation, Implicit Modeling, Mesh Deformation},
    language = {Anglais},
    affiliation = {Laboratoire Jean Kuntzmann - LJK , EVASION - INRIA Grenoble Rh{\^o}ne-Alpes / LJK Laboratoire Jean Kuntzmann , Eldgen{\"o}ssische Technische Hochschule Z{\"u}rich - ETH Z{\"u}rich , Computer Science Department - UBC-Computer Science},
    journal = {ACM Transactions on Graphics},
    volume = {29},
    number = {5 },
    note = {Proceedings of ACM SIGGRAPH ASIA. },
    audience = {internationale },
    collaboration = {UBC },
    year = {2010},
    month = Dec,
    pdf = {http://hal.archives-ouvertes.fr/hal-00516411/PDF/2010\_04\_siggraph\_asia\_cloth\_v30.pdf},
}

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