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Yes they are raytracing some pixels and filling the blanks with ML/DL. I believe you could actually ray-trace everything depending on your target output. In the
by brandonjm 8y ago
Yes they are raytracing some pixels and filling the blanks with ML/DL. I believe you could actually ray-trace everything depending on your target output. In these demos they're targeting many dynamic lights, reflections and refractions. If you were content with less reflection bounces, less lights and lower resolution you could easily ray-trace the whole frame with 166 mil rays per frame available.
- gmueckl 8y agoWhat is your source for the ML claim? I know very decent and fast screen space filters that do kot use any learning and can work with 1spp (pure noise for the hunan eye).
- mattnewport 8y agoML based denoising for various ray tracing applications is a hot topic at SIGGRAPH this year. Here's one NVIDIA paper on the topic from last year: http://research.nvidia.com/sites/default/files/publications/dnn_denoise_author.pdf http://research.nvidia.com/sites/default/files/publications/... There are also some impressive new non ML based denoising results too however and it's unclear to me at the moment where NVIDIA is using ML based denoising and where they are using more traditional filters in the demos they've been showing. I think at least some of the real time ray traced ambient occulsion and soft shadow demos have been using more traditional non ML based filtering approaches.