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A novel palmprint feature extraction method is proposed by using the Weight Coding Based Non-negative Sparse Coding (WCBNNSC). The WCBNNSC algorithm can model the respective field of V1 in the primary visual system of brain. And this algorithm includes more image information than the early Non-negative Sparse Coding (NNSC). Utilizing the WCBNNSC algorithm, the feature basis vectors of palmprint images...
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