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Unsupervised Image Reconstruction for Gradient-Domain Volumetric Rendering
(The Eurographics Association and John Wiley & Sons Ltd., 2020)
Gradient-domain rendering can highly improve the convergence of light transport simulation using the smoothness in image space. These methods generate image gradients and solve an image reconstruction problem with rendered ...
Next Event Estimation++: Visibility Mapping for Efficient Light Transport Simulation
(The Eurographics Association and John Wiley & Sons Ltd., 2020)
Monte-Carlo rendering requires determining the visibility between scene points as the most common and compute intense operation to establish paths between camera and light source. Unfortunately, many tests reveal occlusions ...
Two-stage Resampling for Bidirectional Path Tracing with Multiple Light Sub-paths
(The Eurographics Association and John Wiley & Sons Ltd., 2020)
Recent advances in bidirectional path tracing (BPT) reveal that the use of multiple light sub-paths and the resampling of a small number of these can improve the efficiency of BPT. By increasing the number of pre-sampled ...