44 search results - page 1 / 9 » Light Source Estimation for Realistic Shadow using Segmented... |
ISUVR
2007
13 years 6 months ago
2007
— To achieve seamless integration of the real scene with virtual objects, we need to obtain accurate illumination condition of the real scene. Using HDRI (High Dynamic Range Imag...
ICPR
2006
IEEE
14 years 5 months ago
2006
IEEE
In cast-shadow analysis one merely draws a line between each occluder and its associated shadow cast onto a different surface, possibly with wedges indicating precision. In some c...
CVPR
2008
IEEE
14 years 6 months ago
2008
IEEE
In background subtraction, cast shadows induce silhouette distortions and object fusions hindering performance of high level algorithms in scene monitoring. We introduce a nonpara...
CVPR
2007
IEEE
14 years 6 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
CVPR
2005
IEEE
14 years 6 months ago
2005
IEEE
In this paper, we describe how camera parameters and light source orientation can be recovered from two perspective views of a scene given only two vertical lines and their cast s...