5593 search results - page 159 / 1119 » Detecting Illumination in Images |
SIGGRAPH
1989
ACM
15 years 5 months ago
1989
ACM
We analyse some recent approaches to the global illumination problem by introducing the corresponding reflection operators, and we demonstrate the advantages of a two-pass method....
117
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WSCG
2001
15 years 3 months ago
2001
Directional Coherence Maps as proposed by Guo in '98 are a very efficient acceleration technique for ray tracing based global illumination renderers. It vastly reduces the nu...
121
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CG
2000
Springer
15 years 1 months ago
2000
Springer
This paper is devoted to a designer tool, which is an extension of particle tracing algorithm for analysis of scenes, artifacts, image ghosts, and ray tracing mechanism itself. Th...
105
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MVA
2002
15 years 1 months ago
2002
This paper proposes to use zooming function of digital cameras for robust character recognition and to control focal length for improving the performance even in dim light conditi...
105
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ICASSP
2011
IEEE
14 years 5 months ago
2011
IEEE
This paper introduces a pattern recognition and computer vision approach to mitigating false alarms in synthetic aperture radar (SAR) coherence change detection (CCD) images. In t...