Position-free Multiple-bounce Computations for Smith Microfacet BSDFs
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Technical Paper
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Research & Education
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DescriptionWe present a new method to compute the multiple bounces inside the microgeometry. Our method relies on a position-free formulation of multiple bounces. Our method is less noisy than existing algorithms for computing multiple scattering. It is almost noise free with a very low sampling rate, from 2 to 4 spp.