Facial expression recognition method under partial occlusion working condition
A facial expression and recognition method technology, applied in character and pattern recognition, acquisition/recognition of facial features, image analysis, etc., can solve problems such as missing facial occlusion features, and achieve improved recognition accuracy, accuracy and robustness. Effect
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[0054] Such as figure 1 As shown, the present invention provides a facial expression recognition method under partial occlusion working conditions, comprising the following steps:
[0055]S1: Obtain the unoccluded facial image of the recognized object, calculate the average face information entropy map, and construct the facial projection space;
[0056] S2: Obtain a partially occluded facial image of the same recognition object, calculate the information entropy map of the partially occluded face, and project the partially occluded facial image into the facial projection space to obtain a projection vector;
[0057] S3: Use the average face information entropy map and the occluded face information entropy map to obtain the location of the occluded area;
[0058] S4: Using the facial projection space and occluded area positioning, reconstruct the unoccluded facial reconstructed image;
[0059] S5: Obtain a reconstructed facial image by using the occluded area in the unocclud...
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