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L’IRIT étant localisé sur plusieurs sites, ses séminaires sont organisés et ont lieu soit à l’Université Toulouse 3 Paul Sabatier (UT3), l’Université Toulouse 1 Capitole (UT1), l’INP-ENSEEIHT ou l’Université Toulouse 2 Jean Jaurès (UT2J).


Position-based Skin Deformations for Interactive Character Animation

Nadine ABU RUMMAN - doctoral Researcher at Friedrich-Alexander University (Allemagne)

Lundi 7 Novembre 2016, 13h30 - 15h00
IRIT, Salle 175
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Skeletal animation is a widely used technique for animating articulated characters, such as humans and animals. In skeleton-based animation, skinning is the process of de_ning how the geometric surface of the character deforms according to a function of the skeletal poses. One of the fundamental aspects when animating articulated character is the production of esh-like deformations for the soft tissues when the character is moving. Creating believable and compelling skin deformations is the central challenge of animated feature films, computer games, and interactive applications.

In this talk, we address the problem of creating believable mesh-based skin deformation for articulated characters at interactive rates. We introduce a novel two-layered deformation framework, called position based skinning (PBS), which is able to mimic the macro-behaviors of the skin and capture secondary effects, such as volume conservation and jiggling. To produce a convincing organic-like deformation near joints. We present a simple and fast collision detection method for articulated deformable meshes, which is used to handle locally self-intersection on models deformed by position based skinning (PBS).