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In iris recognition, feature extraction can be influenced by factors such as illumination and contrast, and thus the features extracted may be unreliable, which can cause a high rate of false results in iris pattern recognition. In order to obtain stable features, an algorithm was proposed in this paper to extract key features of a pattern from multiple images. The proposed algorithm built an iris feature template by extracting key features and performed iris identity enrolment. Simulation results showed that the selected key features have high recognition accuracy on the CASIA Iris Set, where both contrast and illumination variance exist. © 2008 Informa UK Ltd.
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来源 :
Journal of Medical Engineering and Technology
ISSN: 0309-1902
年份: 2008
期: 3
卷: 32
页码: 228-234
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