ECCV
2004
Springer
14 years 6 months ago
2004
Springer
Various problems in Computer Vision become difficult due to a strong influence of lighting on the images of an object. Recent work showed analytically that the set of all images of...
ICCV
2001
IEEE
14 years 6 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...
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
2007
IEEE
14 years 6 months ago
2007
IEEE
In this paper, we present a new method to change the illumination condition of a face image, with unknown face geometry and albedo information. This problem is particularly diffic...
CVPR
2005
IEEE
14 years 6 months ago
2005
IEEE
This paper presents an online learning algorithm to construct from video sequences an image-based representation that is useful for recognition and tracking. For a class of object...