In computer graphics, a number of researchers have applied automatic measures of
visual fidelity to guide adaptive, photorealistic image-generation algorithms such as
path tracers
[Bolin 98] [Ramasubramanian 99] [Volevich 00]. A good review of this
work can be found in [McNamara 01 ]. In a sense, the approach here is the reverse of
image compression: rather than removing the pixel with least importance, the image-
generation algorithms would like to add the pixel of most importance. Since the
standard or ideal image is not available (it is being rendered), ...
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