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Conditional Mixture Path Guiding for Differentiable Rendering

DescriptionThis work develops a path guiding based on a distribution mixture that improves the performance of differentiable rendering processes. It demonstrates why the mixture is required, how to obtain this distribution mixture, how to update each distribution at each iteration, and how to handle negative gradients.

Authors

Zhimin Fan

Nanjing University

Pengcheng Shi

State Key Lab for Novel Software Technology, Nanjing University