277 search results - page 5 / 56 » Illumination Distribution from Shadows |
SI3D
1995
ACM
14 years 1 months ago
1995
ACM
This paper presents an algorithm for shadow calculation in dynamic polyhedral scenes illuminated by point light sources. It is based on a modi cation of Shadow Volume Binary Space...
PG
2007
IEEE
14 years 4 months ago
2007
IEEE
A fundamental challenge for existing shadow map based algorithms is dealing with partially illuminated surfaces. A conventional shadow map built with a pinhole camera only determi...
SIAMIS
2011
2011
Local Image Features Resulting from 3-Dimensional Geometric Features, Illumination, and Movement: II
13 years 4 months ago
This is the second part of an investigation into the visual clues in illuminated scenes, in terms of the interactions between apparent contours, shade and cast shadow curves, bound...
CVPR
2008
IEEE
14 years 11 months ago
2008
IEEE
This paper presents a new model for understanding the appearance of objects that exhibit both body and surface reflection under realistic illumination. Specifically, the model rep...
CVPR
2009
IEEE
15 years 3 months ago
2009
IEEE
Cast shadows induced by moving objects often cause serious problems to many vision applications. We present in this paper an online statistical learning approach to model the backg...