A Deformation Transformer for Real-Time Cloth Animation

摘要

Achieving interactive performance in cloth animation has significantrnimplications in computer games and other interactive graphicsrnapplications. Although much progress has been made, it isrnstill much desired to have real-time high-quality results that wellrnpreserve dynamic folds and wrinkles. In this paper, we introducerna hybrid method for real-time cloth animation. It relies on datadrivenrnmodels to capture the relationship between cloth deformationsrnat two resolutions. Such data-driven models are responsiblernfor transforming low-quality simulated deformations at the low resolutionrninto high-resolution cloth deformations with dynamicallyrnintroduced fine details. Our data-driven transformation is trainedrnusing rotation invariant quantities extracted from the cloth models,rnand is independent of the simulation technique chosen for the lowerrnresolution model. We have also developed a fast collision detectionrnand handling scheme based on dynamically transformed boundingrnvolumes. All the components in our algorithm can be efficiently implementedrnon programmable graphics hardware to achieve an overallrnreal-time performance on high-resolution cloth models.