Human face recognition method and system based on sparse representation and mean hash
A technology of sparse representation and face recognition, which is applied in character and pattern recognition, instruments, computing, etc., can solve the problems of reducing the robustness of face recognition and the decline of face recognition accuracy, so as to improve robustness and improve The effect of improving accuracy and speed
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[0053] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0054] The method of the present invention is based on the sparse representation model, uses the mean hash feature to extract the spatial structural information inside the face sample, and fuses the inter-sample sparsity feature of the sparse representation model with the intra-sample structural feature of the mean hash algorithm. Reconstruct the face test samples, and finally classify the face test samples through the reconstruction error. The specific process is as figure 1 shown, including the following steps:
[0055] Step 1: Preprocess the face test samples and all face training samples, that is, convert the color face samples into grayscale images, and normalize the face test samples and all face training samples;
[0056] Among them, the formulas of the normalized face test samples and all face training samples are as follows:
[0057] y=y / ||y...
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