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» On the Dimensionality of Face Space
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ICPR
2006
IEEE
16 years 17 days ago
Regularized Locality Preserving Learning of Pre-Image Problem in Kernel Principal Component Analysis
In this paper, we address the pre-image problem in kernel principal component analysis (KPCA). The preimage problem finds a pattern as the pre-image of a feature vector defined in...
Weishi Zheng, Jian-Huang Lai
IROS
2006
IEEE
119views Robotics» more  IROS 2006»
16 years 17 days ago
Design of a Social Mobile Robot Using Emotion-Based Decision Mechanisms
– In this paper, we describe a robot that interacts with humans in a crowded conference environment. The robot detects faces, determines the shirt color of onlooking conference a...
Geoffrey A. Hollinger, Yavor Georgiev, Anthony Man...
ICIAR
2004
Springer
15 years 12 months ago
Visual Object Recognition Through One-Class Learning
Abstract. In this paper, several one-class classification methods are investigated in pixel space and PCA (Principal component Analysis) subspace having in mind the need of finding...
QingHua Wang, Luís Seabra Lopes, David M. J...
FGR
1996
IEEE
167views Biometrics» more  FGR 1996»
15 years 10 months ago
Coordination of Perceptual Processes for Computer Mediated Communication
In Computer Mediated Communication such as desktop video conferencing, static video cameras provide a restricted field of view of remote sites. The effective field of view can be ...
Joëlle Coutaz, François Bérard,...
ICCV
1995
IEEE
15 years 10 months ago
Estimating the Tensor of Curvature of a Surface from a Polyhedral Approximation
Estimating principal curvatures and principal directions of a surface from a polyhedral approximation with a large number of small faces, such as those produced by iso-surface con...
Gabriel Taubin