63 search results - page 8 / 13 » Using Extended Light Sources for Modeling Object Appearance ... |
CVPR
2011
IEEE
12 years 11 months ago
2011
IEEE
We address the problem of 2D-3D pose estimation in difficult viewing conditions, such as low illumination, cluttered background, and large highlights and shadows that appear on t...
IJCAI
2007
13 years 9 months ago
2007
A central goal of robotics and AI is to be able to deploy an agent to act autonomously in the real world over an extended period of time. It is commonly asserted that in order to ...
PAMI
2006
13 years 7 months ago
2006
In this paper, we present the logarithmic total variation (LTV) model for face recognition under varying illumination, including natural lighting conditions, where we rarely know t...
PAMI
2002
13 years 7 months ago
2002
We analyze theoretically the subspace best approximating images of a convex Lambertian object taken from the same viewpoint, but under different distant illumination conditions. Si...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
Capturing surface appearance is important for a large number of applications. Appearance of real world surfaces is dif?cult to model as it varies with the direction of illuminatio...