Method for recognizing iris based on edge gradient direction pyramid histogram
An edge gradient, iris recognition technology, applied in character and pattern recognition, instruments, computing and other directions, to achieve high efficiency and meet the requirements of efficiency
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[0046] The present invention adopts the above technical scheme, utilizes the matlabe development environment and the CASIA iris library, and realizes the whole algorithm. Among them, all algorithms in the iris system from image acquisition to normalization process adopt the algorithm proposed by Mr. Daugman. Finally, the inter-class similarity and intra-class similarity are obtained through batch processing, and the ROC curve is drawn. Its performance is better than Daugman's method, and at the same time, the algorithm efficiency is much higher than other existing algorithms.
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