Practical Noise Reduction for Progressive Stochastic Ray Tracing with Perceptual Control

Abstract

A proposed method reduces noise in stochastic ray tracing for interactive progressive rendering. The method accumulates high-variance light paths in a separate buffer, which is filtered by a high-quality edge-preserving filter. Then, this method adds a combination of the noisy unfiltered samples and the less noisy (but biased) filtered samples to the low… (More)
DOI: 10.1109/MCG.2012.30

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