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Gradient-Domain Path Tracing - Aalto
https://mediatech.aalto.fi/publications/graphics/GPT/
Gradient-domain path tracing | ACM Transactions on …
https://dl.acm.org/doi/10.1145/2766997
Finally, we describe Gradient-Domain Path Tracing (G-PT), a relatively simple modification of the standard path tracing algorithm that can yield far superior results. Supplemental Material a123.mp4 mp4 17.8 MB Play stream Download Available for Download zip a123-kettunen.zip (50.6 MB) Supplemental files References
Gradient-Domain Bidirectional Path Tracing - UMD
https://www.cs.umd.edu/~zwicker/publications/GBDPT-EGSR15.pdf
G-PT Algorithm The gradient-domain path tracing algo- rithm (G-PT) simply draws a number of base paths from each pixel, shifts them to the four horizontal and vertical neighbor pixels, evaluates the differences between through- puts, weighted as shown above, and accumulates the re- sults in a throughput image and four additional gradient im- ages.
Gradient-Domain Bidirectional Path Tracing - EG
https://diglib.eg.org/handle/10.2312/sre20151168
Gradient-domain path tracing has recently been introduced as an efficient realistic image synthesis algorithm. This paper introduces a bidirectional gradient-domain sampler that outperforms traditional bidirectional path tracing often by a factor of two to five in terms of squared error at equal render time.
GitHub - mmanzi/gradientdomain-mitsuba: Gradient …
https://github.com/mmanzi/gradientdomain-mitsuba
Usage: ------ - The rendering algorithms are implemented as integrator plugins "Gradient-Domain Path Tracer" (G-PT) and "Gradient-Domain Bidirectional Path Tracer" (G-BDPT). They can be chosen directly in the Mitsuba GUI, or by setting the integrator in the scene description files to "gpt" or "gbdpt".
Gradient-Domain Path Tracing - Aalto
https://mediatech.aalto.fi/publications/graphics/GPT/supplemental_material/index.html
Gradient-Domain Path Tracing Supplemental material - comparisons and results. We compare our gradient path tracing (G-PT) method using L1 and L2 reconstruction to ordinary path tracing (PT). We show renderings with twice as many base samples for PT compared to G-PT. This provides an approximately equal time comparison, since the overhead of G ...
Gradient Outlier Removal for Gradient-Domain Path Tracing
https://cglab.gist.ac.kr/publications/2019_Gradient_Outlier_Removal_for_Gradient-domain_Path_Tracing.html
Abstract We present a new outlier removal technique for a gradient-domain path tracing (G-PT) that computes image gradients as well as colors. Our approach rejects gradient outliers whose estimated errors are much higher than those of the other gradients for improving reconstruction quality for the G-PT.
Gradient-Domain Path Reusing
https://graphics.tudelft.nl/Publications-new/2017/BPE17/
We present gradient-domain path reusing, a novel unbiased Monte-Carlo rendering technique, which merges the concept of path reusing with the recently introduced idea …
GitHub - githole/gdpt: The implementation of Gradient …
https://github.com/githole/gdpt
The implementation of Gradient Domain Path Tracing (https://mediatech.aalto.fi/publications/graphics/GPT/).I think there are some bugs, …
Spectral Gradient Sampling for Path Tracing - TU Delft
https://graphics.tudelft.nl/Publications-new/2018/PBE18/PBE18.pdf
Noticeably, temporal gradient-domain path tracing [MKD∗16] was the first approach to extend gradient sampling beyond the image domain by computing spatio-temporal differences between frames of animations. Our approach is the first to apply gradient-domain rendering in a non-trichromatic setting and adapt the concept for the spectral domain.
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