Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article A Study on Iris Localization and Recognition on Mobile Phones | Hindawi Publishing Corporation EURASIP Journal on Advances in Signal Processing Volume 2008 Article ID 281943 12 pages doi 2008 281943 Research Article A Study on Iris Localization and Recognition on Mobile Phones Kang Ryoung Park 1 Hyun-Ae Park 2 Byung Jun Kang 2 Eui Chul Lee 2 and Dae Sik Jeong2 1 Department of Electronic Engineering Biometrics Engineering Research Center Dongguk University 26 Pil-dong 3-ga Jung-gu Seoul 100-715 South Korea 2 Department of Computer Science Biometrics Engineering Research Center Sangmyung University Seoul 110-743 South Korea Correspondence should be addressed to Kang Ryoung Park viridity@ Received 11 April 2007 Revised 3 July 2007 Accepted 30 August 2007 Recommended by N. V. Boulgouris A new iris recognition method for mobile phones based on corneal specular reflections SRs is discussed. We present the following three novelties over previous research. First in case of user with glasses many noncorneal SRs may happen on the surface of glasses and it is very difficult to detect genuine SR on the cornea. To overcome such problems we propose a successive on off dual illuminator scheme to detect genuine SRs on the corneas of users with glasses. Second to detect SRs robustly we estimated the size shape and brightness of the SRs based on eye camera and illuminator models. Third the detected eye iris region was verified again using the AdaBoost eye detector. Experimental results with 400 face images captured from 100 persons with a mobile phone camera showed that the rate of correct iris detection was for images without glasses and for images with glasses or contact lenses . The consequent accuracy of iris authentication was of the EER equal error rate based on detected iris images. Copyright 2008 Kang Ryoung Park et al. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original
