202 search results - page 30 / 41 » Opacity Shadow Maps |
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
We consider the problem of reconstructing the shape of a surface with an arbitrary, spatially varying isotropic bidirectional reflectance distribution function (BRDF), and introdu...
ICCV
2007
IEEE
14 years 9 months ago
2007
IEEE
In this paper we present a surprisingly simple yet powerful method for detecting illumination--determining which pixels are lit by different lights--in images. Our method is based...
MVA
2007
13 years 9 months ago
2007
A monocular vision based location algorithm is presented to detect and track rear vehicles for lane change assist. The algorithm uses the shadow underneath the vehicle to extract ...
CGF
2002
13 years 7 months ago
2002
Texture mapping has become indispensable in image synthesis as an inexpensive source of rich visual detail. Less obvious, but just as useful, is its ability to mask image errors d...
JCST
2010
13 years 6 months ago
2010
Abstract This paper introduces a caching technique based on a volumetric representation that captures low-frequency indirect illumination. This structure is intended for efficient ...