Multi-sample facial expression recognition method based on low-rank tensor decomposition
A tensor decomposition and expression recognition technology, applied in the field of facial expression recognition, can solve the problems that expressions are easily affected by different individuals, and it is difficult to preserve the nonlinear characteristics of expressions, so as to improve the recognition rate of facial expressions and the ability to express them. Effect
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[0016] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the embodiments and the drawings.
[0017] The present invention proposes a reference to the overall framework schematic diagram of a diverse face expression recognition method based on low-rank tensor decomposition figure 1 Shown.
[0018] The present invention provides a facial expression recognition method, which includes the following steps:
[0019] Perform steps S1 to S5 on the sample set and test set:
[0020] S1: Image preprocessing, using the face detection algorithm to intercept the face area in the image;
[0021] S2: Feature extraction, feature extraction of facial expression images through feature operators in multiple modes;
[0022] S3: Tensor modeling, according to the extracted operator features of the face region, construct a tensor model based on the operator and the experimenta...
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