Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/16668
Title: Palmprint verification using complex wavelet transform
Authors: Zhang, L 
Guo, Z
Wang, Z
Zhang, D 
Keywords: Biometrics
Complex wavelet
Palmprint
Similarity measurement
Transform
Issue Date: 2007
Source: Proceedings - International Conference on Image Processing, ICIP, 2007, v. 2, 4379181, p. II417-II420 How to cite?
Abstract: Palmprint is a unique and reliable biometric characteristic with high usability. With the increasing demand of automatic palmprint authentication systems, the development of accurate and robust palmprint verification algorithms has been attracting a lot of interests. The relative translation, rotation and distortion between two palmprint images will introduce much error in palmprint matching. However, an accurate registration of palmprint images is too time-consuming. In this paper, we propose a modified complex wavelet structural similarity index (CW-SSIM) to compute the matching score and hence identify the input palmprint. Since CW-SSIM is robust to translation, small rotation and distortion, a fast rough alignment of palmprint images is sufficient. CW-SSIM is also insensitive to luminance and contrast changes. Our experimental results show that the proposed scheme outperfonns the state-of-the-art methods by achieving a higher genuine acceptance rate and a lower false acceptance rate simultaneously.
Description: 14th IEEE International Conference on Image Processing, ICIP 2007, San Antonio, TX, 16-19 September 2007
URI: http://hdl.handle.net/10397/16668
ISBN: 1424414377
9781424414376
ISSN: 1522-4880
DOI: 10.1109/ICIP.2007.4379181
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