271 search results - page 13 / 55 » The plenoptic illumination function |
RT
1995
Springer
13 years 11 months ago
1995
Springer
This paper is concerned with the e cient reconstruction of illumination from area luminaires. We outline a 2-pass scheme a lightpass, tracing ray bundles from the luminaires follow...
RT
1997
Springer
13 years 11 months ago
1997
Springer
Abstract: An object space algorithm for computing shadows in dynamic scenes illuminated by area light sources is presented. A mesh with the shadow boundaries as well as other disco...
FGR
2000
IEEE
14 years 3 days ago
2000
IEEE
We present an algorithm for estimation of head orientation, given cropped images of a subject’s head from any viewpoint. Our algorithm handles dramatic changes in illumination, ...
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper, we show how to estimate, accurately and efficiently, the 3D motion of a rigid or non-rigid object, and time-varying lighting in a dynamic scene. This is achieved i...
PG
2007
IEEE
14 years 1 months ago
2007
IEEE
We present an appearance-based user interface for artists to efficiently design customized image-based lighting environments. 1 Our approach avoids typical iterations of paramete...