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2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'01) - Volume 2
Constructing Facial Identity Surfaces in a Nonlinear Discriminating Space
Kauai, Hawaii
December 08-December 14
ISBN: 0-7695-1272-0
Yongmin Li, University of London
Shaogang Gong, University of London
Heather Liddell, University of London
Recognising face with large pose variation is more challenging than that in a fixed view, e.g. frontal-view, due to the severe non-linearity caused by rotation in depth, self-shading and self-occlusion. To address this problem, a multi-view dynamic face model is designed to extract the shape-and-pose-free facial texture patterns from multi-view face images. Kernel Discriminant Analysis is developed to extract the significant non-linear discriminating features which maximise the between-class variance and minimise the within-class variance. By using the kernel technique, this process is equivalent to a Linear Discriminant Analysis in a high-dimensional feature space which can be solved conveniently. The identity surfaces are then constructed from these non-linear discriminating features. Face recognition can be performed dynamically from an image sequence by matching an object trajectory and model trajectories on the identity surfaces.
Citation:
Yongmin Li, Shaogang Gong, Heather Liddell, "Constructing Facial Identity Surfaces in a Nonlinear Discriminating Space," cvpr, vol. 2, pp.258, 2001 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'01) - Volume 2, 2001
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