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In order to further improve the recognition rate and computing efficiency of modular 2DPCA in face recognition, an improved modular 2DPCA method based on image segmentation is proposed. Firstly, segmentation of threshold value optimization is utilized to segment face image of training samples into several non-overlapping sub-image spaces so that the pixel number has uniform distribution in each sub-image...
Based on the idea of collaborative representation, a novel approach CRC-GLasso is proposed for face recognition. Our main contributions lie in two aspects: 1) Instead of sparse representation, collaborative representation is employed to compute sparse representations of face images to solve the ‘lack of samples’ problem. The reason is that face images of different classes share similarities, and some...
In this paper, a new algorithm of face detection based on differential images and PCA in color image is proposed which modified the eigenface technique. First, skin picking-up is carried out by color analysis of an image. Then, for finding the exact positions of faces, a finer matching is performed by eigenface in these detected fields and a mosaic template is used to suppress the false face. Considering...
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