The Lightflow Rendering Tools
REFERENCES

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• [2] Arvo, J.; Kirk, D. - Particle Transport and Image Synthesis - Computer Graphics (SIGGRAPH 90 Proceedings) 24, 4 (Aug. 1990), 63-66.
• [3] Kajiya, J. T. - The Rendering Equation - Computer Graphics (SIGGRAPH 86 Proceedings) (Aug. 1986), vol. 20, pp. 143-150.
• [4] Jensen, H. W. - Importance Driven Path Tracing using the Photon Map - In Rendering Techniques '95 - Springer-Verlag, pp. 326-335, 1995.
• [5] Shirley, P.; Wade, B.; Hubbard, P. M.; Zaresky, D.; Walter, B.; Greenberg, D. P. - Global Illumination via Density Estimation - In Rendering Techniques '95 - Springer-Verlag, pp. 219-230, 1995.
• [6] Upstill - The RenderMan Companion, A Programmer's Guide to Realistic Computer Graphics - Addison Wesley.
• [7] Ward, G. J.; Heckbert P. S. - Irradiance Gradients - In Proceedings of the Third Eurographics Workshop on Rendering, pp. 85-98, 1992.