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Sensors 2012, 12(2), 1352-1382; doi:10.3390/s120201352

On the Feasibility of Interoperable Schemes in Hand Biometrics

Instituto Universitario para el Desarrollo Tecnológico y la Innovación en Comunicaciones (IDeTIC), Universidad de Las Palmas de Gran Canaria, Campus de Tafira s/n, E-35017 Las Palmas de Gran Canaria, Spain
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Received: 23 December 2011 / Revised: 14 January 2012 / Accepted: 18 January 2012 / Published: 1 February 2012
(This article belongs to the Special Issue Hand-Based Biometrics Sensors and Systems)

Abstract

Personal recognition through hand-based biometrics has attracted the interest of many researchers in the last twenty years. A significant number of proposals based on different procedures and acquisition devices have been published in the literature. However, comparisons between devices and their interoperability have not been thoroughly studied. This paper tries to fill this gap by proposing procedures to improve the interoperability among different hand biometric schemes. The experiments were conducted on a database made up of 8,320 hand images acquired from six different hand biometric schemes, including a flat scanner, webcams at different wavelengths, high quality cameras, and contactless devices. Acquisitions on both sides of the hand were included. Our experiment includes four feature extraction methods which determine the best performance among the different scenarios for two of the most popular hand biometrics: hand shape and palm print. We propose smoothing techniques at the image and feature levels to reduce interdevice variability. Results suggest that comparative hand shape offers better performance in terms of interoperability than palm prints, but palm prints can be more effective when using similar sensors. View Full-Text
Keywords: biometric identification; hand based biometrics; hand geometry; palm texture; interoperability biometric identification; hand based biometrics; hand geometry; palm texture; interoperability
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Morales, A.; González, E.; Ferrer, M.A. On the Feasibility of Interoperable Schemes in Hand Biometrics. Sensors 2012, 12, 1352-1382.

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