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Incident Light Metering in Computer Graphics
(Blackwell Publishers Ltd and the Eurographics Association, 1998)
Every rendering process consists of two steps. The first is the computing of luminance values by methods like ray tracing or radiosity, and the second step is the mapping of the computed values to values appropriate for ...
Perception Based Color Image Difference
(Blackwell Publishers Ltd and the Eurographics Association, 1998)
A good image metric is often needed in digital image synthesis. It can be used to check the convergence behavior in progressive methods, to compare images rendered using various rendering methods etc. Since images are ...