Simon Brown@sjb3dExpecting an interesting year for unified path tracing and density estimation, see http://research.nvidia.com/publication/path-space-extension-robust-light-transport-simulation… and https://graphics.cg.uni-saarland.de/2011/bidirectional-light-transport-with-vertex-merging/…6:42 AM · May 14, 2012·Twitter Web Client4 Retweets3 Likes