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Face recognition at-a-distance using texture and sparse-stereo reconstruction

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7 Author(s)
Rara, H. ; CVIP Lab., Univ. of Louisville, Louisville, KY, USA ; Farag, A. ; Elhabian, S. ; Ali, A.
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We propose a framework for face recognition at a distance based on texture and sparse-stereo reconstruction. We develop a 3D acquisition system that consists of two CCD stereo cameras mounted on pan-tilt units with adjustable baseline. We first detect the facial region and extract its landmark points, which are used to initialize the face alignment algorithm. The fitted mesh vertices, generated from the face alignment process, provide point correspondences between the left and right images of a stereo pair; stereo-based reconstruction is then used to infer the 3D information of the mesh vertices. We perform experiments regarding the use of different features extracted from these vertices for face recognition. The local patches around the landmark points are also well-suited for Gabor-based and LBP-based recognition. The cumulative rank curves (CMC), which are generated using the proposed framework, confirm the feasibility of the proposed work for long distance recognition of human faces.

Published in:

Biometrics: Theory Applications and Systems (BTAS), 2010 Fourth IEEE International Conference on
Biometrics Compendium, IEEE

Date of Conference:

27-29 Sept. 2010