146 search results - page 29 / 30 » Illumination Modeling and Normalization for Face Recognition |
CVPR
1998
IEEE
14 years 7 months ago
1998
IEEE
We have developed a computer vision system, including both facial feature extraction and recognition, that automatically discriminates among subtly different facial expressions. E...
ICCV
2007
IEEE
14 years 7 months ago
2007
IEEE
Shape analysis requires invariance under translation, scale and rotation. Translation and scale invariance can be realized by normalizing shape vectors with respect to their mean ...
ICCV
2001
IEEE
14 years 7 months ago
2001
IEEE
We prove that the set of all Lambertian reflectance functions (the mapping from surface normals to intensities) obtained with arbitrary distant light sources lies close to a 9D lin...
ICASSP
2009
IEEE
13 years 9 months ago
2009
IEEE
We investigate how to effectively incorporate spatial structure information into histogram features for boosting visual classification performance motivated by recently proposed M...
ICCV
2005
IEEE
14 years 7 months ago
2005
IEEE
Object identification (OID) is specialized recognition where the category is known (e.g. cars) and the algorithm recognizes an object's exact identity (e.g. Bob's BMW). ...