Department of Computer Engineering
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Browsing Department of Computer Engineering by Author "ALHAMROUNI, MOHAMED"
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Item IRIS RECOGNITION BY USING IMAGE PROCESSING TECHNIQUES(2017-01-07) ALHAMROUNI, MOHAMED; Şengül, GökhanIris recognition system has become very important, especially in the field of security, because it provides high reliability. Many researchers have suggested new methods to iris recognition system in order to increase the efficiency of the system. In this thesis, various methods have been proposed to achieve high performance in iris recognition. In the proposed system, three feature extraction approaches, Histogram of Oriented Gradient (HOG), Gray Level Co-Occurrence Matrix (GLCM) and Local Binary Pattern (LBP) are used to extract the features from iris image. On other hand, two classifiers; K Nearest Neighbors (KNN) and Support Vector Machine (SVM) are used in the classification stage. The iris image passes through several stages before extracting features stage; first, pre-processing stage which includes image resizing that unifies all images' size, second, segmentation stage which determines the iris region in eye image, finally, normalization stage which converts the iris region to suitable shape with specific dimensions. The proposed methods have been applied on two iris databases, UPOL and IITD. However, the proposed system achieved recognition rate of 100% when HOG+KNN method is used.