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Simulating Wrinkles in Facial Expressions on an Anatomy-Based Face

  • Yu Zhang
  • Terence Sim
  • Chew Lim Tan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3515)

Abstract

This paper presents a muscle-driven wrinkle model for simulating dynamic wrinkles that appear during facial expressions, which is geometric in nature. Wrinkles are generated on an anatomy-based face model that incorporates a structure of skin, muscles and skull for physically-based animation. Corresponding to two types of facial muscles, a geometric model is developed to govern how the wrinkle amplitude evolves locally upon skin deformation, taking into account the properties of real wrinkles. During facial animation, wrinkles are generated in the local regions influenced by muscle contraction, simulating resistance to compression of tissues. Using our method, realistic wrinkles can be dynamically rendered on the adaptively refined face mesh at interactive rates.

Keywords

Facial Expression Facial Muscle Attenuation Function Muscle Model Facial Animation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Yu Zhang
    • 1
  • Terence Sim
    • 1
  • Chew Lim Tan
    • 1
  1. 1.School of ComputingNational University of SingaporeSingapore

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