141 search results - page 11 / 29 » Comparing Images under Variable Illumination |
CVIU
2007
13 years 10 months ago
2007
The problem of face detection remains challenging because faces are non-rigid objects that have a high degree of variability with respect to head rotation, illumination, facial ex...
SIBGRAPI
2008
IEEE
14 years 4 months ago
2008
IEEE
We describe a procedure to solve the basic problem of Variable Lighting Photometric Stereo – namely, recovering the normal directions and intrinsic albedos at all visible points...
TNN
2008
13 years 10 months ago
2008
There usually exist many kinds of variations in face images taken under uncontrolled conditions, such as changes of pose, illumination, expression, etc. Most previous works on fac...
ECCV
2002
Springer
14 years 12 months ago
2002
Springer
The appearance of an outdoor scene depends on a variety of factors such as viewing geometry, scene structure and reflectance (BRDF or BTF), illumination (sun, moon, stars, street l...
IEEEHPCS
2010
13 years 8 months ago
2010
This paper presents a novel approach to detect and formulate time varying changes in texture content on a sequence of images registered from a scene by using Gabor wavelets repres...