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Hua Li, Shui-Cheng Yan, Li-Zhong Peng. Robust Non-Frontal Face Alignment with Edge Based Texture[J]. Journal of Computer Science and Technology, 2005, 20(6): 849-854.
Citation: Hua Li, Shui-Cheng Yan, Li-Zhong Peng. Robust Non-Frontal Face Alignment with Edge Based Texture[J]. Journal of Computer Science and Technology, 2005, 20(6): 849-854.

Robust Non-Frontal Face Alignment with Edge Based Texture

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  • Received Date: May 13, 2004
  • Revised Date: March 31, 2005
  • Published Date: November 14, 2005
  • This paper proposes a new algorithm, called Edge-based Texture Driven Shape Model (E-TDSM), for non-frontal face alignment task. First, the texture is defined as the un-warped edge image contained in the shape rectangle; then, a Bayesian network is constructed to describe the relationship between the shape and texture models; finally, Expectation-Maximization (EM) approach is utilized to infer the optimal texture and position parameters from the observedshape and texture information. Compared with the traditional shape localization algorithms, E-TDSM has the following advantages: 1) the un-warped edge-based texture can better predict the shape and is more robust to the illumination and expression variation than the conventional warped gray-level based texture; 2) the presented Bayesiannetwork indicates the logic structure of the face alignment task; and 3) the mutually enhanced shape and texture observations are integrated to infer the optimal parameters of the proposed Bayesian network using EM approach. The extensive experiments on non-frontal face alignment task demonstrate the effectiveness and robustness of the proposed E-TDSM algorithm.
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