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ICIP
2005
IEEE
14 years 11 months ago
Tensor-based factor decomposition for relighting
Lighting condition is an important factor in face analysis and synthesis, which has received extensive study in both computer vision and computer graphics. Motivated by the work on...
Dahua Lin, Yingqing Xu, Xiaoou Tang, Shuicheng Yan
ICIP
2002
IEEE
14 years 10 months ago
Eye detection using color cues and projection functions
We pmpose a heuristic approach for detection ofeyes in close-up images. The experimental images are stereorypiral mug shot faces which can be expected in applications offace recog...
Thilak R. Kumar, S. Kumar Raja, A. G. Ramakrishnan
ICPR
2008
IEEE
14 years 10 months ago
Unfolding warping for object recognition
In practice, understanding the spatial relationships between the surfaces of an object, can significantly improve the performance of object recognition systems. In this paper we p...
Jun Xie, Min Hu, Mubarak Shah
ICPR
2008
IEEE
14 years 10 months ago
An empirical comparison of graph-based dimensionality reduction algorithms on facial expression recognition tasks
Facial expression recognition is a topic of interest both in industry and academia. Recent approaches to facial expression recognition are based on mapping expressions to low dime...
José Miguel Buenaposada, Li He, Luis Baumel...
ICPR
2002
IEEE
14 years 10 months ago
Solving the Small Sample Size Problem of LDA
The small sample size problem is often encountered in pattern recognition. It results in the singularity of the within-class scatter matrix Sw in Linear Discriminant Analysis (LDA...
Rui Huang, Qingshan Liu, Hanqing Lu, Songde Ma