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Guo, Jerry Jinfeng (author), Bauszat, P. (author), Bikker, Jacco (author), Eisemann, E. (author)We present a scheme for unbiased path guiding. Different from existing methods that focus on constructing structures in spatial-directional domain, we work in primary sample space. We collect records containing a few dimensions of random numbers as well as the luminance that the resulting path contributes. A multiple dimensional structure is...conference paper 2018