Factored axis-aligned filtering for rendering multiple distribution effects

@article{Mehta2014FactoredAF,
  title={Factored axis-aligned filtering for rendering multiple distribution effects},
  author={Soham Uday Mehta and JiaXian Yao and Ravi Ramamoorthi and Fr{\'e}do Durand},
  journal={ACM Trans. Graph.},
  year={2014},
  volume={33},
  pages={57:1-57:12}
}
Monte Carlo (MC) ray-tracing for photo-realistic rendering often requires hours to render a single image due to the large sampling rates needed for convergence. Previous methods have attempted to filter sparsely sampled MC renders but these methods have high reconstruction overheads. Recent work has shown fast performance for individual effects, like soft shadows and indirect illumination, using axis-aligned filtering. While some components of light transport such as indirect or area… CONTINUE READING

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