Face recognition method based on separation degree difference supervised locality preserving projection
A technology of local projection and face recognition, which is applied in character and pattern recognition, computer components, instruments, etc., can solve the problems of inability to make full use of training sample category information, singularity of intra-class separation matrix, and limited dimensionality , to achieve the effect of avoiding the singularity of the intra-class separation matrix and avoiding the small sample problem
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[0020] The present invention will be further described below in conjunction with the drawings:
[0021] A face recognition method based on poor separation and supervised partial preserving projection. First, it needs to read the face image from the face database, then extract the features of the face region image, and finally complete the face recognition through the nearest neighbor classification.
[0022] 1. Read the face image
[0023] Combine figure 2 with image 3 , The present invention uses two face databases, Yale face database and ORL face database. The Yale face library contains 165 photos of 15 people. Each person is composed of 11 photos with 256 levels of gray. These photos were taken under different expressions and lighting conditions, with a resolution of 100×100. In the experiment, the first 6 images of each person were used as training samples, a total of 90 images, and the remaining 75 images were used as test samples.
[0024] ORL face database, including 40 peop...
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