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Facial animation system based on image warping algorithm

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4 Author(s)
Lanfang Dong ; Vision Comput. & Visualization Lab., Univ. of Sci. & Technol. of China, Hefei, China ; Yatao Wang ; Kui Ni ; Kuikui Lu

This paper is about the technologies in facial animation application. The major contents are as follows:1)We summary the classic image warping algorithms, and analyze the advantages and disadvantages of these algorithms when used in facial animation; 2)We study the principles of Mesh Warping image warping algorithms, and propose a novel Mesh Warping algorithm based on scan lines. The algorithm meets real-time facial animation system in running time, reduces the constraints of constructing splines in some degree, and cuts down the difficulty of image warping, according to experimental results; 3)We introduce MEPG-4 facial animation standard, and implement a speech-driven facial animation system using it. The system makes use of our scan lines Mesh Warping algorithm, which produces a variety of mouth and facial expressions of the speaker, more realistic animation, higher real-time, and better with the speech sync.

Published in:

Electronics, Communications and Control (ICECC), 2011 International Conference on

Date of Conference:

9-11 Sept. 2011