48 search results - page 9 / 10 » Total Variation Models for Variable Lighting Face Recognitio... |
WACV
2005
IEEE
14 years 4 months ago
2005
IEEE
Current two-dimensional image based face recognition systems encounter difficulties with large facial appearance variations due to the pose, illumination and expression changes. ...
CVPR
2001
IEEE
15 years 26 days ago
2001
IEEE
Efficient detection of objects in images is complicated by variations of object appearance due to intra-class object differences, articulation, lighting, occlusions, and aspect va...
CVPR
2009
IEEE
15 years 6 months ago
2009
IEEE
Face recognition algorithms need to deal with variable
lighting conditions. Near infrared (NIR) image based face
recognition technology has been proposed to effectively
overcome...
PAMI
2008
13 years 10 months ago
2008
This paper presents a hierarchical-compositional model of human faces, as a three-layer AND-OR graph to account for the structural variabilities over multiple resolutions. In the A...
ICCV
2003
IEEE
15 years 23 days ago
2003
IEEE
Under the Lambertian reflectance model, uncalibrated photometric stereo with unknown light sources is inherently ambiguous. In this paper, we consider the use of a more general re...