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NVIDIA Unveils Adaptive Temporal Anti-Aliasing with Ray ...
https://www.techpowerup.com/246413/nvidia-unveils-adaptive-temporal-anti-aliasing-with-ray-tracing#:~:text=NVIDIA%20published%20the%20first%20documentation%20of%20Adaptive%20Temporal,the%20low%20light-count%20method%20NVIDIA%20implemented%20with%20RTX.
NVIDIA Unveils Adaptive Temporal Anti-Aliasing with …
https://www.techpowerup.com/246413/nvidia-unveils-adaptive-temporal-anti-aliasing-with-ray-tracing
NVIDIA Unveils Adaptive Temporal Anti-Aliasing with Ray-Tracing | TechPowerUp. NVIDIA published the first documentation of Adaptive Temporal Anti-Aliasing (ATAA), an evolution of TAA that incorporates real-time ray …
(PDF) Improved Adaptive Antialiasing for Ray Tracing ...
https://www.researchgate.net/publication/255500357_Improved_Adaptive_Antialiasing_for_Ray_Tracing_Implicit_Surfaces
anteed interval adaptive anti aliasing method ( I AA) for inter- val ray tracing of implicit surfaces. The method is based in the study of the coherence of sets of neighboring rays in a pixel, to...
Low Cost Adaptive Anti-Aliasing for Real-Time Ray-Tracing
https://www.researchgate.net/publication/268072117_Low_Cost_Adaptive_Anti-Aliasing_for_Real-Time_Ray-Tracing
This paper describes simple, practical scheme for adaptive anti-aliasing, particularly suitable for packet style ray tracing. The sampling patterns are organized in a SIMD-friendly fashion. The...
How is Anti Aliasing Implemented in Ray Tracing?
https://computergraphics.stackexchange.com/questions/4248/how-is-anti-aliasing-implemented-in-ray-tracing
Ray tracing with cones (Amanatides): Instead of using an infinitely thin ray, each ray is instead approximated by a cone, say with a diameter that covers all of the pixel (and a little of the neighbours) allowing you to do evaluate partial coverage. It also has benefits for texture sampling/antialiasing, soft shadows, and potentially LOD of models.
Anti-aliased and accelerated ray tracing
https://www.cs.utexas.edu/users/fussell/courses/cs384g-fall2011/lectures/lecture10-Aa_and_accel_raytracing.pdf
Antialiasing in a ray tracer We would like to compute the average intensity in the neighborhood of each pixel. When casting one ray per pixel, we are likely to have aliasing artifacts. To improve matters, we can cast more than one ray per pixel and average the result. A.k.a., super-sampling and averaging down.
Improving Temporal Antialiasing with Adaptive Ray …
https://research.nvidia.com/sites/default/files/pubs/2019-03_Improving-Temporal-Antialiasing//Marrs2019_Chapter_TemporalAntialiasingWAdaptiveRays.pdf
antialiasing of rasterized images with adaptive ray traced supersampling. Offline ray tracing renderers have long employed highly adaptive sample counts to solve aliasing (e.g., Whitted’s original paper [26]), but until now hybrid ray and raster algorithms [2] have been impractical for real-time rendering due to the duplication
Low Cost Adaptive Anti-Aliasing for Real-Time Ray-Tracing
https://www.graphicon.org/html/2010/conference/EN/Se2/02.pdf
This paper describes simple, practical scheme for - adaptive anti aliasing, particularly suitable for packet style ray tracing. The sampling patterns organized in a SIMDare -friendly fashion. The technique explores image–space attributes to compute the gradient. Only where value of the gradient is high, additional samples are used.
12. Anti-aliasingand Distribution Ray Tracing
https://courses.cs.washington.edu/courses/csep557/01sp/lectures/aa-and-drt.pdf
Antialiasingin a ray tracer We would like to compute the average intensity in the neighborhood of each pixel. When casting one ray per pixel, we are likely to have aliasingartifacts. To improve matters, we can cast more than one ray per pixel and average the result. A.k.a., super-sampling and averaging down. 9 Antialiasingby adaptive sampling
Advanced Ray Tracing - University of Utah
https://my.eng.utah.edu/~cs4600/lectures/Wk13_AdvancedRayTracing.pdf
Ray Tracing: Improvements • Image quality: Anti-aliasing –Supersampling: Shoot multiple rays per pixel (grid or jittered) • Adaptive: More rays in areas where image is changing more quickly • Efficiency: Bounding extents –Idea: Enclose complex objects in shapes (e.g., sphere, box) that are less expensive to test for intersection –Comping up
Adaptive sampling - WPI
https://web.cs.wpi.edu/~matt/courses/cs563/talks/antialiasing/adaptive.html
Application in Ray Tracing. Adaptive sampling is similar in nature to supersampling. Each pixel to be traced has a primary ray cast through each of the corners. If the intensity of the four corners varies significantly from the others, then the pixel is split into four rectangular portions. Each of the new quadrants has primary rays acst through their corners.
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