计算机科学 ›› 2014, Vol. 41 ›› Issue (Z11): 110-115.
金鑫,聂仁灿,周冬明
JIN Xin,NIE Ren-can and ZHOU Dong-ming
摘要: 基于脉冲耦合神经网络(PCNN),提出一种改进的虹膜识别算法。针对虹膜定位准确性这个研究点,引入形态学滤波对人眼图像进行去噪,以提高定位准确性。介绍了PCNN的模型,并对神经元震荡时间序列(OTS)进行统计分析,得出不同虹膜纹理具有唯一的神经元OTS。最后计算OTS的欧氏距离并进行分类,实现了虹膜识别的改进方法。在CASIA-Iris-Interval虹膜数据库中的实验结果验证了该方法的有效性,显示了它比传统算法具有更好的识别率和识别速度。
[1] Emirates U A.Middle East country eyes up biometrics[M].Bio-metric Technology Today,2005 [2] Daugman J G.High confidence visual recognition of persons by atest of statistical independence[J].IEEE Transactions on Pattern Analysis and Machine Intelligence,1993,15(11):1148-1161 [3] Daugman J.The importance of being random:statistical principles of iris recognition[J].Pattern recognition,2003,36(2):279-291 [4] Daugman J.High confidence recognition of persons by iris patterns[C]∥2001 IEEE 35th International Carnahan Conference on Security Technology.IEEE,2001:254-263 [5] Wildes R P.Iris recognition:an emerging biometric technology[J].Proceedings of the IEEE,1997,85(9):1348-1363 [6] Wildes R P,Asmuth J C,Green G L,et al.A machine-vision system for iris recognition[J].Machine vision and Applications,1996,9(1):1-8 [7] Wildes R P,Asmuth J C,Green G L,et al.A system for automa-ted iris recognition[C]∥Proceedings of the Second IEEE Workshop on Applications of Computer Vision,1994.IEEE,1994:121-128 [8] Boles W W,Boashash B.A human identification technique using images of the iris and wavelet transform[J].IEEE transactions on signal processing,1998,46(4):1185-1188 [9] Proenca H.Towards non-cooperative biometric iris recognition[D].University of Beira Interior.Department of Computer Science,2006 [10] Johson J L,Ritter D.Observation of periodic wanes in a Pulse-coupled neural network [J].Opt Lett,1993,18(15):1253-1255 [11] 陈粟宋.一种融合PCNN和Watershed变换的图像分割方法[J].武汉大学学报,2011,4(2):269-272 [12] Johson J L.Pulse-coupled neural nets:translation,rotation,scale,distortion,and intensity signal invariance for images[J].Applied Optics,1994,33(26):6239-6253 [13] Eckhorn R,Reitboeck H J,Arndt M,et al.Feature linking via synchronization among distributed assemblies:Simulations of results from cat visual cortex[J].Neural Computation,1990,2(3):293-307 [14] Eckhorn R,Bauer R,Jordan W,et al.Coherent oscillations:A mechanism of feature linking in the visual cortex?[J].Biological cybernetics,1988,60(2):121-130 [15] Eckhorn R,Reitboeck H J,Arndt M,et al.Feature linking via stimulus-evoked oscillations:experimental results from cat visual cortex and functional implications from a network model[C]∥International Joint Conference on Neural Networks,IJCNN 1989.IEEE,1989:723-730 [16] Johnson J L,Ritter D.Observation of periodic waves in a pulse-coupled neural network[J].Optics letters,1993,18(15):1253-1255 [17] Johnson J L,Ritter D.Observation of periodic waves in a pulse-coupled neural network[J].Optics letters,1993,18(15):1253-1255 [18] Ranganath H S,Kuntimad G,Johnson J L.Pulse coupled neural networks for image processing[C]∥Proceedings Southeastcon’95.Visualize the Future.IEEE,1995:37-43 [19] 于江波,陈后金,王巍,等.脉冲耦合神经网络在图像处理中的参数确定[J].电子学报,2008,36(1) [20] Kuntimad G,Ranganath H S.Perfect image segmentation using pulse coupled neural networks[J].IEEE Transactions on Neural Networks,1999,10(3):591-598 [21] Johnson J L.Pulse-coupled neural nets:translation,rotation,scale,distortion,and intensity signal invariance for images[J].Applied Optics,1994,33(26):6239-6 [22] Wildes R P,Asmuth J C,Green G L,et al.A system for automated iris recognition[C]∥Proceedings of the Second IEEE Workshop on Applications of Computer Vision,1994.IEEE,1994:121-128 [23] 马义德,杨淼,李廉.一种全方位多角度自适应形态滤波器及其算法[J].通信学报,2004,25(9):86-92 [24] Mansfield T,Kelly G,Chandler D,et al.Biometric product testing final report[J].Contract,2001,92(4009):309 |
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