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Seventh IEEE Workshops on Application of Computer Vision (WACV/MOTION'05) - Volume 1
Multi-Matching Process Based on Wavelet Transform for Iris Recognition
Breckenridge, Colorado
January 05-January 07
ISBN: 0-7695-2271-8
Xing Ming, Jilin University, P.R. China
Zhihui Li, Jilin University, P.R. China
Zhengxuan Wang, Jilin University, P.R. China
Xiaodong Zhu, Jilin University, P.R. China
As a most important biometric solution for personal identification, iris recognition has received increasing attention in recent years. Based on the features of the stochastic iris textural information and local time-frequency properties of the wavelet transform, this paper proposes a new method for iris recognition using a wavelet-based multi-matching system, which includes a coarse matching and its refinement. For the low-frequency components of the wavelet multi-resolution decomposition, a statistical correlation approach is adopted for a coarse matching so that well-matched iris templates in a database can be picked out and need to be further identified. The wavelet modulus maxima are used to locate the sharp variation points, which are taken as iris feature points. A similarity measure based on the distances between the best-matched feature point pairs is taken for the refinement of the coarse matching. Our method well employs the iris morphological characteristics and the multi-matching process to improve the efficiency. The experimental results indicate the validity of the proposed method.
Citation:
Xing Ming, Zhihui Li, Zhengxuan Wang, Xiaodong Zhu, "Multi-Matching Process Based on Wavelet Transform for Iris Recognition," wacv-motion, vol. 1, pp.66-70, Seventh IEEE Workshops on Application of Computer Vision (WACV/MOTION'05) - Volume 1, 2005
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