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An important drawback in the biometric system that is used for the authentication is to secure the presence of real approved feature in dissimilarity to a forged physical specimen. This procedure requires a new way of approach in order to improve the protection measures. So, many communities like biometry and other standard units have proposed a method called spoofing, which is used for the fake detection of images. This was used in case of images that include face or iris. The methods of spoofing were combined with the other techniques for the automatic recognition of iris in different levels. The above mentioned other techniques involve Segmentation, Normalization and Feature encoding. In each of the process, the iris image is converted to the required format and the noise is reduced by other filtering and transformation techniques. In Segmentation, large number of resources are selected that provide relevant information which is to be classified that delimits the iris image.

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