In a similar vein to de-noising realtime path tracing, Christoph Shied has an interesting paper that describes an algorithm that steps around the problem: https

In a similar vein to de-noising realtime path tracing, Christoph Shied has an interesting paper that describes an algorithm that steps around the problem: https://cg.ivd.kit.edu/atf.php https://cg.ivd.kit.edu/atf.php and his Quake2 demos (which are amazing) have gotten a lot of attention on youtube recently: https://www.youtube.com/channel/UCdyHpbF9SgV8uMIWu3oHgdg/videos https://www.youtube.com/channel/UCdyHpbF9SgV8uMIWu3oHgdg/vid...