Realistic rendering research focuses on generating images that should
be perceived the same way as a real scene. We will describe a
physically based spectral framework where energy, materials and light
field are wavelength dependent. To reduce the computational load we
also make use of the high variations of the human vision sensitivity to
adapt the accuracy of every computation. As no comprehensive human
vision model exists, we use several types of perceptual control. In
order to adapt computation accuracy we have also derived a simple but
useful perceptual error estimate.
Most of my work on spectral rendering is discussed in the paper :
"Towards Perceptual Control of Physically Based Spectral Rendering"[pdf] Computer & Graphics v 27, n5, pp 747-762, 2003
J.C. Iehl and B. Péroche
