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Sensors 2015, 15(12), 31339-31361; doi:10.3390/s151229856

Bimodal Biometric Verification Using the Fusion of Palmprint and Infrared Palm-Dorsum Vein Images

1
Department of Electronic Engineering, Hwa Hsia University of Technology, 111 Gon Jhuan Rd., Chung Ho dist., New Taipei City 23568, Taiwan
2
Institute of Computer Science and Information Engineering, National Central University, Taoyuan City 32001, Taiwan
3
Department of Computer Information and Network Engineering, Lunghwa University of Science and Technology, Taoyuan County 33306, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Lianqing Liu
Received: 29 September 2015 / Revised: 30 November 2015 / Accepted: 30 November 2015 / Published: 12 December 2015
(This article belongs to the Special Issue Sensors for Robots)
View Full-Text   |   Download PDF [8073 KB, uploaded 14 December 2015]   |  

Abstract

In this paper, we present a reliable and robust biometric verification method based on bimodal physiological characteristics of palms, including the palmprint and palm-dorsum vein patterns. The proposed method consists of five steps: (1) automatically aligning and cropping the same region of interest from different palm or palm-dorsum images; (2) applying the digital wavelet transform and inverse wavelet transform to fuse palmprint and vein pattern images; (3) extracting the line-like features (LLFs) from the fused image; (4) obtaining multiresolution representations of the LLFs by using a multiresolution filter; and (5) using a support vector machine to verify the multiresolution representations of the LLFs. The proposed method possesses four advantages: first, both modal images are captured in peg-free scenarios to improve the user-friendliness of the verification device. Second, palmprint and vein pattern images are captured using a low-resolution digital scanner and infrared (IR) camera. The use of low-resolution images results in a smaller database. In addition, the vein pattern images are captured through the invisible IR spectrum, which improves antispoofing. Third, since the physiological characteristics of palmprint and vein pattern images are different, a hybrid fusing rule can be introduced to fuse the decomposition coefficients of different bands. The proposed method fuses decomposition coefficients at different decomposed levels, with different image sizes, captured from different sensor devices. Finally, the proposed method operates automatically and hence no parameters need to be set manually. Three thousand palmprint images and 3000 vein pattern images were collected from 100 volunteers to verify the validity of the proposed method. The results show a false rejection rate of 1.20% and a false acceptance rate of 1.56%. It demonstrates the validity and excellent performance of our proposed method comparing to other methods. View Full-Text
Keywords: biometric verification; palmprint; vein pattern; discrete wavelet transform; image fusion; support vector machine biometric verification; palmprint; vein pattern; discrete wavelet transform; image fusion; support vector machine
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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 work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Lin, C.-L.; Wang, S.-H.; Cheng, H.-Y.; Fan, K.-C.; Hsu, W.-L.; Lai, C.-R. Bimodal Biometric Verification Using the Fusion of Palmprint and Infrared Palm-Dorsum Vein Images. Sensors 2015, 15, 31339-31361.

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