Contactless palmprint authentication using circular gabor filter and approximated string matching

Authors:
Julien Doublet;Olivier Lepetit;Marinette Revenu
Affiliations:
Research and Development, France Telecom/Orange, Caen, France;Research and Development, France Telecom/Orange, Caen, France;Image Team, GREYC-ENSICAEN, Caen, France
Venue:
SIP '07 Proceedings of the Ninth IASTED International Conference on Signal and Image Processing
Year:
2007

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Abstract

More and more research have been developed very recently for automatic hand recognition. This paper proposes a new method for contactless hand authentication in complex images. Our system uses skin color and hand shape information for hand detection process. Next, the palm is extracted and characterized by circular Gabor filter. Finally, the palm features are matched by a new normalized approximated string matching. The experimental results present an error rate lower than 1.2% with a population of 49 people. We show that our method improves the performances of two palmprint methods 2D-Gabor and PPOC on our database.