Technical Papers

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Efficient and Accurate Spherical Kernel Integrals using Isotropic Decomposition

Tuesday, 03 November: 16:15 - 18:00

We accelerate spherical filtering using Isotropic Spherical Decomposition, decomposing spherical filters into a linear combination of isotropic kernels. Our formulation is flexible to the choice of isotropic kernels, and we demonstrate practical applications: RT shading with measured BRDFs, anti-aliasing environment mapped mirror reflections, and filtering of noisy reflectance data.

Cyril Soler, INRIA
Mahdi Bagher, Microsoft Corporation
Derek Nowrouzezahrai, University of Montreal

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