635 search results - page 59 / 127 » Efficient coding of computer generated compound images |
CCIW
2011
Springer
12 years 11 months ago
2011
Springer
The representation model that considers an image as a sparse linear combination of few atoms of a predefined or learned dictionary has received considerable attention in recent ye...
ICIP
2005
IEEE
14 years 9 months ago
2005
IEEE
This paper introduces a sparse signal representation algorithm in redundant dictionaries, called the M-Term Pursuit (MTP), with an application to image representation and scalable ...
SIAMIS
2010
13 years 2 months ago
2010
Image restoration problems are often converted into large-scale, nonsmooth and nonconvex optimization problems. Most existing minimization methods are not efficient for solving su...
JGTOOLS
2006
13 years 8 months ago
2006
This paper addresses the problem of efficiently calculating shadows from environment maps in the context of ray-tracing. Since accurate rendering of shadows from environment maps ...
CGF
2010
13 years 8 months ago
2010
Programmable shading provides artistic control over materials and geometry, but the black box nature of shaders makes some rendering optimizations difficult to apply. In many case...