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New complete Bidirectional path tracing with vertex ...
https://github.com/LuxCoreRender/LuxCore/issues/243
New complete Bidirectional path tracing with vertex merging: a rework of BIDIRCPUVM. There is a $50 open bounty on this issue. Add to the bounty at Bountysource. Dade916 added the enhancement label on Oct 6, 2019
Vertex Connection & Merging / Path Space Regulariz ...
https://community.amd.com/t5/blender-discussions/vertex-connection-merging-path-space-regularization/td-p/279454
Vertex Connection & Merging / Path Space Regularization I don't know if this is well know, but for me it was new, even when it's from 2013. I stumbled over this video on youtube and i think, this approach is worth sharing as an idea. Thanks by the way for the RPR roadmap. RPR 2 looks very promising! Cheers, Johannes
(PDF) Bidirectional light transport with vertex merging
https://www.researchgate.net/publication/262253550_Bidirectional_light_transport_with_vertex_merging
V ertex merging is simple and more computationally efficient for specular-diffuse- specular effects than the currently available techniques in bidirec- …
Vertex Merging -ompf2.com
https://ompf2.com/viewtopic.php?t=489&p=1182
Vertex merging is simple and more computationally efficient for specular-diffuse-specular effects than the currently available techniques in bidirectional path tracing. It brings the advantages of photon mapping to the path integral framework, while avoiding the concept of density estimation altogether.
Bidirectional Light Transport with Vertex Merging
http://cgg.mff.cuni.cz/~jaroslav/papers/2011-sketch-vm/VertexMerging_SIGGRAPHAsia2011.pdf
Vertex merging is simple and more computationally efficient for specular-diffuse- specular effects than the currently available techniques in bidirec- tional path tracing. It brings the advantages of photon mapping to the path integral framework, while avoiding the concept of den- sity estimation altogether.
Path tracing Bidirectional path tracing Progressive photon ...
https://graphics.cg.uni-saarland.de/courses/ris-2018/slides/16_VertexMerging.pdf
Stage 1: Light sub-path sampling a) Trace sub-paths b) Connect to eye c) Build search structure Stage 2: Eye sub-path sampling (reduced radius at each iteration) a) Vertex connection VC b) Vertex merging VM c) Continue sub-path VC VM
Light Transport Simulation with Vertex Connection and …
http://cgg.mff.cuni.cz/~jaroslav/papers/2012-vcm/
(or How to combine bidirectional path tracing with progressive photon mapping and get the best out of it) A comparison of our new progressive vertex connection and merging (VCM) algorithm against bidirectional path tracing (BPT) and stochastic progressive photon mapping (PPM) after 30 minutes of rendering.
Light transport simulation with vertex connection and …
https://dl.acm.org/doi/10.1145/2366145.2366211
Our analysis shows that this algorithm inherits the high asymptotic performance from bidirectional path tracing for most light path types, while benefiting from the efficiency of photon mapping for specular-diffuse-specular lighting effects. References Bekaert, P., Slussalek, P., Cools, R., Havran, V., and Seidel, H.-P. 2003.
Comparison of GI algorithms with Vertex Connection Merging
http://www.smallvcm.com/reports/60sec/
Comparison of GI algorithms with Vertex Connection Merging. eye light (60.20 s) Iterations: 2135. path tracing (61.12 s) Iterations: 302. light tracing (60.68 s) Iterations: 573. progressive photon mapping (61.04 s) Iterations: 354.
Gradient-Domain Vertex Connection and Merging
https://digitalassets.lib.berkeley.edu/techreports/ucb/text/EECS-2017-161.pdf
our contributions include: • a method to generate correlated samples and gradient estimates using a vertex merging strategy that is compatible with the path integral framework (chapter 4), • a robust gradient estimator using vertex connection and merging combined with mul- tiple importance sampling (chapter 5), and • a new rendering algorithm, …
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