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Analyse fréquencielle du transport de la lumière : de la théorie aux applications

Laurent Belcour 1, 2
1 MAVERICK - Models and Algorithms for Visualization and Rendering
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology
Abstract : This thesis presents an improvement over the frequency analysis of local light-fields introduced by Durand et al. in 2005. We add into this analysis of light transport operations such as rough refractions, motion effects and scattering in participating media. We further improve the analysis by updating previously proposed operations to handle non-planar occlusions of light, spatially-varying anisotropic BRDFs and multiple lenses. We present the covariance analysis of light transport, a method to estimate the covariance matrix of a local light-field from the set of operations it undergoes. We show the use of such tool with various applications ranging from motion blur and depth-of-field adaptive sampling and filtering, photon mapping kernel size estimation and adaptive sampling of volumetric effects.
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  • HAL Id : tel-00766866, version 2



Laurent Belcour. Analyse fréquencielle du transport de la lumière : de la théorie aux applications. Mathématiques générales [math.GM]. Université de Grenoble, 2012. Français. ⟨NNT : 2012GRENM050⟩. ⟨tel-00766866v2⟩



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