SIGGRAPH 2020: Spatiotemporal reservoir resampling for real-time ray tracing with dynamic direct lighting
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Spatiotemporal reservoir resampling for real-time ray tracing with dynamic direct lighting
BENEDIKT BITTERLI, Dartmouth College | CHRIS WYMAN, NVIDIA | MATT PHARR, NVIDIA | PETER SHIRLEY, NVIDIA | AARON LEFOHN, WOJCIECH JAROSZ, NVIDIA | WOJCIECH JAROSZ, Dartmouth College
We have introduced a new Monte Carlo approach to direct lighting based on a generalization of resampled importance sampling. It allows unbiased spatial and temporal reuse of nearby samples and leads to an even more efficient biased variant.