IJCV
2002
14 years 3 days ago
2002
Image-based relighting (IBL) is a technique to change the illumination of an image-based object/scene. In this paper, we define a representation called the reflected irradiance fi...
MMSEC
2005
ACM
14 years 6 months ago
2005
ACM
When creating a digital composite of, for example, two people standing side-by-side, it is often difficult to match the lighting conditions from the individual photographs. Lighti...
CRV
2006
IEEE
14 years 6 months ago
2006
IEEE
This paper considers the problem of shape-from-shading using nearby planar distributed illuminants. It is shown that a rectangular planar nearby distributed uniform isotropic illu...
ICCV
2007
IEEE
15 years 2 months ago
2007
IEEE
Acquiring 3D models of intricate objects (like tree branches, bicycles and insects) is a hard problem due to severe self-occlusions, repeated thin structures and surface discontin...
CVPR
2008
IEEE
15 years 2 months ago
2008
IEEE
We present a theoretical analysis for characterizing the shadows cast by a point light source given its relative position to the camera. In particular, we analyze the epipolar geo...
CVPR
2003
IEEE
15 years 2 months ago
2003
IEEE
The aim of this paper is to find the best representation for the appearance of surfaces with Lambertian reflectance under varying illumination. Previous work using principal compo...
CVPR
1999
IEEE
15 years 2 months ago
1999
IEEE
This paper describes a system that uses a camera and a point light source to track a user's hand in three dimensions. Using depth cues obtained from projections of the hand a...