Importance Resampling for Global Illumination

@inproceedings{Talbot2005ImportanceRF,
  title={Importance Resampling for Global Illumination},
  author={Justin Talbot and David Cline and Parris K. Egbert},
  booktitle={Rendering Techniques},
  year={2005}
}
This paper develops importance resampling into a variance reduction technique for Monte Carlo integration. Importance resampling is a sample generation technique that can be used to generate more equally weighted samples for importance sampling. This can lead to significant variance reduction over standard importance sampling for common rendering problems. We show how to select the importance resampling parameters for near optimal variance reduction. We demonstrate the robustness of this… CONTINUE READING
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