Computer Science ›› 2014, Vol. 41 ›› Issue (Z11): 128-132.

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3D Face Expression Recognition Based on Differential Operator

GE Yun   

  • Online:2018-11-14 Published:2018-11-14

Abstract: Based on Laplace differential operator,a 3D facial expression recognition method was proposed.First the raw samples are registered by using the method of surface deformation.Then the expression feature are calculated by diffe -rential operator and a dictionary about face expression is established based on feature vectors derived from training samples.At last sparse representation method is used to perform recognition work.The experimental results show that the proposed method can effectively improve the accuracy of 3D facial expression recognition.

Key words: 3D Face,Expression recognition,Feature extraction,Differential operator,Sparse representation

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