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This work presents an algorithm for iris image segmentation to improve the recognition accuracy on these images of individuals with occlusion. The proposed algorithm was carried out with: (1) iris image segmentation; (2) pupil localization; (3) extern radius of the iris localization; (4) iris normalization and (5) detection and removal of the artifacts. The algorithm was performed on a database of 736 eye images. In order to validate and evaluate the accuracy of the proposed algorithm, this one was compared to a traditional method. The results found were 98.37% in the proposed algorithm and 95.86% in the traditional algorithm. Thus, the results suggest that the proposed algorithm is better than the traditional method for biometric identification.

Segmentação de imagens de íris com oclusão no reconhecimento de um indivíduo