Carlosan Posted May 24, 2020 Report Share Posted May 24, 2020 source... As part of SIGGRAPH 2020, NVIDIA researchers (in collaboration with the Visual Computing Lab at Dartmouth College) recently released a paper showcasing ReSTIR, a new raytracing algorithm capable of rendering dynamic direct lighting and shadows from millions of light sources in real-time. Our key insight was to reuse information from spatially and temporally adjacent pixels to inform which rays to trace. This idea resembles modern post-process denoising and antialiasing, but while denoising filters the pixel colors directly, we filter probabilities to help guide rays to reduce future noise. Quote Link to comment Share on other sites More sharing options...
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