IJCV
2007
13 years 4 months ago
2007
Abstract. The appearance of an object greatly changes under different lighting conditions. Even so, previous studies have demonstrated that the appearance of an object under varyin...
PAMI
2006
13 years 4 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...
AMFG
2005
IEEE
13 years 6 months ago
2005
IEEE
Abstract. Face recognition under varying pose is a challenging problem, especially when illumination variations are also present. Under Lambertian model, spherical harmonics repres...
ISCAS
2006
IEEE
13 years 10 months ago
2006
IEEE
— A subspace supervised learning algorithm named Discriminant Non-negative Matrix Factorization (DNMF) has been recently proposed for classifying human facial expressions. It dec...
ICCV
2003
IEEE
14 years 6 months ago
2003
IEEE
Previous studies have demonstrated that the appearance of an object under varying illumination conditions can be represented by a low-dimensional linear subspace. A set of basis i...
CVPR
2003
IEEE
14 years 6 months ago
2003
IEEE
We propose a new approach for face recognition under arbitrary illumination conditions, which requires only one training image per subject (if there is no pose variation) and no 3...