High performance iris recognition based on 1-D circular feature extraction and PSO-PNN classifier

Authors:
Ching-Han Chen;Chia-Te Chu
Affiliations:
Department of Computer Science and Information Engineering, National Central University, No. 300, Jhongda Rd., Jhongli City, Taoyuan County 32001, Taiwan, ROC;Networks and Multimedia Institute, Institute for Information Industry, Taiwan
Venue:
Expert Systems with Applications: An International Journal
Year:
2009

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Abstract

In this paper, a novel iris feature extraction technique with intelligent classifier is proposed for high performance iris recognition. We use one dimensional circular profile to represent iris features. The reduced and significant features afterward are extracted by Sobel operator and 1-D wavelet transform. So as to improve the accuracy, this paper combines probabilistic neural network (PNN) and particle swarm optimization (PSO) for an optimized PNN classifier model. A comparative experiment of existing methods for iris recognition is evaluated on CASIA iris image databases. The experimental results reveal the proposed algorithm provides superior performance in iris recognition.