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Journal Article

Validation Proposal for Global Illumination and Rendering Techniques

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons44345

Drago,  Frederic
Computer Graphics, MPI for Informatics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons45095

Myszkowski,  Karol
Computer Graphics, MPI for Informatics, Max Planck Society;

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Citation

Drago, F., & Myszkowski, K. (2001). Validation Proposal for Global Illumination and Rendering Techniques. Computers & Graphics, 25(3), 511-518.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-32D6-2
Abstract
The goal of this study is to develop a complete set of data characterizing geometry, luminaires, and surfaces of a non-trivial existing environment for testing global illumination and rendering techniques. This paper briefly discusses the process of data acquisition. Also, the results of experiments on evaluating lighting simulation accuracy, and rendering fidelity for a Density Estimation Particle Tracing algorithm are presented. The importance of using the BRDF of surfaces in place of the more commonly used specular and diffuse reflectance coefficients is investigated for the test scene. The results obtained are contrasted with an ``artistic approach'' in which a skilled artist manually sets all reflectance characteristics to obtain a visually pleasant appearance that corresponds to the existing environment.