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A Real-time Beam Tracer with Application to Exact Soft Shadows
(The Eurographics Association, 2007)
Efficiently calculating accurate soft shadows cast by area light sources remains a difficult problem. Ray tracing based approaches are subject to noise or banding, and most other accurate methods either scale poorly with ...
Dirty Glass: Rendering Contamination on Transparent Surfaces
(The Eurographics Association, 2007)
Rendering of clean transparent objects has been well studied in computer graphics. However, real-world transparent objects are seldom clean their surfaces have a variety of contaminants such as dust, dirt, and lipids. These ...