Palmprint and face score level fusion: hardware implementation of a contactless small sample biometric system

Audrey Poinsot; Fan Yang; Vincent Brost

doi:10.1117/1.3534199

1 February 2011 Palmprint and face score level fusion: hardware implementation of a contactless small sample biometric system

Audrey Poinsot, Fan Yang, Vincent Brost

Author Affiliations +

Optical Engineering, Vol. 50, Issue 2, 027002 (February 2011). https://doi.org/10.1117/1.3534199

Abstract

Including multiple sources of information in personal identity recognition and verification gives the opportunity to greatly improve performance. We propose a contactless biometric system that combines two modalities: palmprint and face. Hardware implementations are proposed on the Texas Instrument Digital Signal Processor and Xilinx Field-Programmable Gate Array (FPGA) platforms. The algorithmic chain consists of a preprocessing (which includes palm extraction from hand images), Gabor feature extraction, comparison by Hamming distance, and score fusion. Fusion possibilities are discussed and tested first using a bimodal database of 130 subjects that we designed (uB database), and then two common public biometric databases (AR for face and PolyU for palmprint). High performance has been obtained for recognition and verification purpose: a recognition rate of 97.49% with AR-PolyU database and an equal error rate of 1.10% on the uB database using only two training samples per subject have been obtained. Hardware results demonstrate that preprocessing can easily be performed during the acquisition phase, and multimodal biometric recognition can be treated almost instantly (0.4 ms on FPGA). We show the feasibility of a robust and efficient multimodal hardware biometric system that offers several advantages, such as user-friendliness and flexibility.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Audrey Poinsot, Fan Yang, and Vincent Brost "Palmprint and face score level fusion: hardware implementation of a contactless small sample biometric system," Optical Engineering 50(2), 027002 (1 February 2011). https://doi.org/10.1117/1.3534199

Published: 1 February 2011

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