Double Spline Muscle Models for Human Face Animation based on Video Analysis
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Liew, AWC
Yan, H
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Hong Kong Polytech Univ, Hong Kong, PEOPLES R CHINA
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Abstract
Facial animation has been widely used in different areas such as entertainment and teleconferencing. Using video data to control facial animation is an interesting and difficult problem. In this paper, a novel double B-spline (NURBS) muscle system is proposed to simulate a 3D facial expression and talking animation based on video images. This system can simulate many different expressions of the elastic human face. Each muscle is constructed by two non-uniform rational B-spline curves, which better approximate the real muscle system. There are 14 feature points to represent facial expressions and we apply a lip contour extraction technique to determine lip shapes.
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PROCEEDINGS OF THE 2004 INTERNATIONAL SYMPOSIUM ON INTELLIGENT MULTIMEDIA, VIDEO AND SPEECH PROCESSING
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© 2004 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.