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Combining Point and Line Samples for Direct Illumination
(The Eurographics Association and John Wiley & Sons Ltd., 2019)
We develop a unified framework for combining point and line samples in direct lighting calculations. While line samples have proven beneficial in a variety of rendering contexts, their application in direct lighting has ...
Orthogonal Array Sampling for Monte Carlo Rendering
(The Eurographics Association and John Wiley & Sons Ltd., 2019)
We generalize N-rooks, jittered, and (correlated) multi-jittered sampling to higher dimensions by importing and improving upon a class of techniques called orthogonal arrays from the statistics literature. Renderers typically ...
Scalable Virtual Ray Lights Rendering for Participating Media
(The Eurographics Association and John Wiley & Sons Ltd., 2019)
Virtual ray lights (VRL) are a powerful representation for multiple-scattered light transport in volumetric participating media. While efficient Monte Carlo estimators can importance sample the contribution of a VRL along ...