22 search results - page 1 / 5 » Rank Constrained Recognition under Unknown Illuminations |
AMFG
2003
IEEE
13 years 10 months ago
2003
IEEE
Recognition under illumination variations is a challenging problem. The key is to successfully separate the illumination source from the observed appearance. Once separated, what ...
ECCV
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. We propose a new method for face recognition under arbitrary pose and illumination conditions, which requires only one training image per subject. Furthermore, no limitat...
CVPR
2005
IEEE
13 years 7 months ago
2005
IEEE
Understanding and modifying the effects of arbitrary illumination on human faces in a realistic manner is a challenging problem both for face synthesis and recognition. Recent res...
PAMI
2006
13 years 5 months ago
2006
In this paper, we propose two novel methods for face recognition under arbitrary unknown lighting by using spherical harmonics illumination representation, which require only one t...
PAMI
2007
13 years 4 months ago
2007
Traditional photometric stereo algorithms employ a Lambertian reflectance model with a varying albedo field and involve the appearance of only one object. In this paper, we gene...