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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion
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Modeling short-term dynamics and variability for realistic interactive facial animation.

Nicolas Stoiber1, Gaspard Breton, Renaud Seguier

  • 1Technische Universität München. nicolas.stoiber@orange-ftgroup.com

IEEE Computer Graphics and Applications
|July 24, 2010
PubMed
Summary

This study introduces a novel animation system for realistic and expressive digital faces. It generates natural facial movements at interactive speeds, overcoming limitations of traditional methods for virtual characters.

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Area of Science:

  • Computer Graphics
  • Animation
  • Human-Computer Interaction

Background:

  • Current digital face models lack realistic, expressive movements.
  • Traditional facial animation techniques (keyframing, motion capture) are complex and unsuitable for real-time, interactive applications.

Purpose of the Study:

  • To develop an animation system capable of generating realistic and expressive facial motion at interactive speeds.
  • To address the limitations of existing methods in creating dynamic and context-dependent facial expressions for virtual characters.

Main Methods:

  • The system utilizes a set of motion models to control facial expression dynamics.
  • These models are fitted on captured human motion data to preserve the natural dynamic signature of expressions.
  • A nondeterministic component is incorporated to ensure varied long-term visual behavior.

Main Results:

  • The new system produces realistic expressive facial motion efficiently.
  • It achieves interactive speeds, enabling real-time generation of facial animation sequences.
  • The system is capable of animating diverse synthetic faces.

Conclusions:

  • The developed animation system offers a significant advancement in creating expressive digital faces.
  • It provides a viable solution for real-time, context-dependent facial animation in interactive applications.
  • The approach successfully integrates dynamic realism and behavioral variety in virtual character animation.