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Among the traits used in biometrics, iris is more reliable and unique. The four modules of iris recognition system are Localisation, Normalization, Feature extraction and Matching. Localisation is the key module in iris recognition system. It includes inner boundary localisation, outer boundary point detection, and Eyelid and Eyelash detection. Though the existing system has many algorithms for localisation, it has certain drawbacks. The efficiency of the iris recognition system is improved by detecting and removing the eyelids and eyelashes occluded. In this paper an algorithm for detecting the inner boundary of iris and removing the eyelid and eyelashes occlusion is proposed.
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