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Unbiased Emission and Scattering Importance Sampling For Heterogeneous Volumes
Gaming & Interactive
Production & Animation
Research & Education
DescriptionWe present two new distance-sampling methods for production volume path tracing. We extend the null-collision integral formulation to efficiently gather heterogeneous volumetric emission, achieving higher-quality results. Additionally, we propose a tabulation-based approach to importance sample volumetric in-scattering through a spatial guiding data structure.