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Physically Based Rendering, 3rd Edition by Greg Humphreys, Wenzel Jakob, Matt Pharr

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si92_e7.5 (0, 2)-Sequence sampler

Another approach for generating high-quality samples takes advantage of a remarkable property of certain low-discrepancy sequences that allows us to satisfy two desirable properties of samples (only one of which was satisfied with the StratifiedSampler): they generate sample vectors for a pixel’s worth of image samples such that the sample values for each pixel sample are well distributed with respect to each other, and simultaneously such that the aggregate collection of sample values for all of the pixel samples in the pixel are collectively well distributed.

Float 1062

HaltonSampler::baseExponents 453

HaltonSampler::baseScales ...

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