Animation Wrinkling: Augmenting Coarse Cloth Simulations with Realistic-Looking Wrinkles - Archive ouverte HAL Access content directly
Journal Articles ACM Transactions on Graphics Year : 2010

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

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.
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Dates and versions

hal-00516411 , version 1 (22-09-2010)
hal-00516411 , version 2 (23-09-2010)
hal-00516411 , version 3 (25-09-2010)

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Cite

Damien Rohmer, Tiberiu Popa, Marie-Paule Cani, Stefanie Hahmann, Sheffer Alla. Animation Wrinkling: Augmenting Coarse Cloth Simulations with Realistic-Looking Wrinkles. ACM Transactions on Graphics, 2010, 29 (5), pp.157. ⟨10.1145/1882261.1866183⟩. ⟨hal-00516411v3⟩
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