Sound Propagation With Bidirectional Path Tracing | Two Minute Papers #111
The paper "Interactive Sound Propagation with Bidirectional Path Tracing" is available here:
http://gaps-zju.org/bst/
Veach's paper on Multiple Importance Sampling:
http://www.cs.jhu.edu/~misha/ReadingSeminar/Papers/Veach95.pdf
http://dl.acm.org/citation.cfm?id=218498
I am also holding a full course on light transport simulations at the Technical University of Vienna. There is plenty of discussion on path tracing and bidirectional path tracing therein:
https://www.youtube.com/playlist?list=PLujxSBD-JXgnGmsn7gEyN28P1DnRZG7qi
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