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

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

hal-00516411, version 3

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

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

ACM Transactions on Graphics 29, 5 (2010) 157

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 : 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
2 : Eldgenössische Technische Hochschule Zürich (ETH Zürich)
ETH Zurich
3 : 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
4 : Computer Science Department (UBC-Computer Science)
University of British Columbia

Collaboration : UBC

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Contributeur : Damien Rohmer <>
Soumis le : Samedi 25 Septembre 2010, 16:25:22
Dernière modification le : Mercredi 12 Septembre 2012, 09:59:30

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DOI : 10.1145/1882261.1866183

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%% hal-00516411, version 3
%% 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 = {EVASION - INRIA Grenoble Rh{\^o}ne-Alpes / LJK Laboratoire Jean Kuntzmann , Eldgen{\"o}ssische Technische Hochschule Z{\"u}rich - ETH Z{\"u}rich , Laboratoire Jean Kuntzmann - LJK , Computer Science Department - UBC-Computer Science},
    pages = {157},
    journal = {ACM Transactions on Graphics},
    volume = {29},
    number = {5 },
    note = {Special Issue: SIGGRAPH Asia 2010 RPCHSTOG10 RPCHSTOG10 },
    audience = {internationale },
    collaboration = {UBC },
    doi = {10.1145/1882261.1866183 },
    year = {2010},
    month = Dec,
    pdf = {http://hal.archives-ouvertes.fr/hal-00516411/PDF/RPCHS\_SIGASIA10.pdf},
}

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