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A framework for developing and benchmarking sampling and denoising algorithms for Monte Carlo rendering

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Abstract

Although many adaptive sampling and reconstruction techniques for Monte Carlo (MC) rendering have been proposed in the last few years, the case for which one should be used for a specific scene is still to be made. Moreover, developing a new technique has required selecting a particular rendering system, which makes the technique tightly coupled to the chosen renderer and limits the amount of scenes it can be tested on to those available for that renderer. In this paper, we propose a renderer-agnostic framework for testing and benchmarking sampling and denoising techniques for MC rendering, which allows an algorithm to be easily deployed to multiple rendering systems and tested on a wide variety of scenes. Our system achieves this by decoupling the techniques from the rendering systems, hiding the renderer details behind an API. This improves productivity and allows for direct comparisons among techniques originally developed for different rendering systems. We demonstrate the effectiveness of our API by using it to instrument four rendering systems and then using them to benchmark several state-of-the-art MC denoising techniques and sampling strategies.

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Notes

  1. https://doi.org/10.7919/F46H4FGW.

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Acknowledgements

The authors thank Matt Pharr, Greg Humphreys, and Wenzel Jakob for making the source code of PBRT-v2, PBRT-v3, and Mitsuba publicly available. We also thank the authors of the following techniques for kindly providing their source code: LBF, RHF, LWR, RDFC, RPF, SBF, NLM, GEM. The following individuals and institutions provided the scenes used in the paper: Martin Lubich (Crown), Cem Yuksel (Curly Hair), Jesper Lloyd (Toy Gyro), Wojciech Jarosz (Chess), Andrew Kensler (Toasters), Bernhard Vogl and Stanford CG Lab (Furry Bunny), Mareck (Bathroom), aXel (Glass of Water), Jay-Artist (Country Kitchen), Beeple (Measure One), Anat Grynberg and GregWard (Conference), Duc Nguyen, Ron Fedkiw, and Nolan Goodnight (Smoke).

Funding

This work was funded by CAPES and CNPq-Brazil (fellowships and Grants 306196/2014-0 and 423673/2016-5), and US National Science Foundation Grants IIS-1321168 and IIS-1619376.

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Authors and Affiliations

  1. Instituto de Informática, UFRGS, Porto Alegre, RS, Brazil

    Jonas Deyson Brito dos Santos & Manuel M. Oliveira

  2. University of California, Santa Barbara, USA

    Pradeep Sen

Authors
  1. Jonas Deyson Brito dos Santos
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  2. Pradeep Sen
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  3. Manuel M. Oliveira
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Correspondence to Jonas Deyson Brito dos Santos.

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Conflict of interest

The authors Jonas Deyson B. Santos, Pradeep Sen, and Manuel M. Oliveira declare they have no conflict of interest.

Additional information

This work was sponsored by CAPES and CNPq-Brazil (fellowships and Grants 306196/2014-0 and 423673/2016-5), as well as US National Science Foundation Grants IIS-1321168 and IIS-1619376.

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dos Santos, J.D.B., Sen, P. & Oliveira, M.M. A framework for developing and benchmarking sampling and denoising algorithms for Monte Carlo rendering. Vis Comput 34, 765–778 (2018). https://doi.org/10.1007/s00371-018-1521-y

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