Modeling an Infinite Emotion Space for Expressionistic Cartoon Face Animation

P. Chopra and J. Meyer (USA)


: Facial Animation, Modeling Emotion Space,Human Computer Interaction, Cartoon Animation.*{pchopra | jmeyer}


Inspired by traditional expressive animation, we attempt to propose an infinite emotion-space as a model to control free-form facial expression synthesis. Although a number of models already exist for capturing, synthesizing, learning and retargeting facial expressions, very few of them actually focus on modeling the emotion-space itself. Most of these models span a finite set of captured/created expressions, and apply model space affine transformations to retarget them, or obtain new ones. We consider the fact that in reality any expression essentially originates in the emotion space (the brain), which eventually manifests itself as a group of transformations or interactions of physical body structures (bones, tendons, muscles, skin layers, etc.). In this light, we present an infinite emotion space model for syntheses of an infinite range of expressions for facial animation, limited only by the creativity and imagination of an animator. CR Categories: I.3.5 [Computer Graphics]: Computational Geometry and Object Modeling surfaces and object representations.

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