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Stochastic ray tracing - University of Texas at Austin
https://www.cs.utexas.edu/~jthywiss/Stochastic%20Ray%20Tracing.pdf
“With PRMan’s hybrid rendering algorithm there are no visibility rays, but ray tracing can be used to compute e.g. reflections, shadows, and ambient occlusion. Thanks to the use of ray differentials and multiresolution texture and tessellation caches, very complex scenes can be …
Stochastic ray tracing for simulation of high intensity …
https://pubmed.ncbi.nlm.nih.gov/25190416/
A large number of computational particles, phonons, are distributed among the elements of a phase-array transducer. The phonons are emitted into random directions and are propagated along trajectories computed with the ray tracing method. As the simulation progresses, an improving stochastic estimate of the acoustic field is obtained.
Advanced Computer Graphics Stochastic Raytracing 1
https://cg.informatik.uni-freiburg.de/course_notes/graphics2_04_stochasticRaytracing.pdf
Stochastic Raytracing - Concept Approximately evaluate the reflectance integral by Tracing rays into randomly sampled 2D directions Computing the incoming radiances Integral is approximated with 2 dimensional sample directions is an approximation of the solid angle of sample direction University of Freiburg –Computer Science Department –32
Advanced Computer Graphics Stochastic Raytracing - uni …
https://cg.informatik.uni-freiburg.de/course_notes/graphics2_06_stochasticRaytracing.pdf
Stochastic Raytracing - Concept Approximately evaluate the integral by Tracing rays into randomly sampled 2D directions Computing the incoming radiances Integral is approximated with 2 dimensional sample directions is an approximation of the solid angle of sample direction University of Freiburg –Computer Science Department –32
Developer Blog: Implementing Stochastic Levels of Detail with …
https://developer.nvidia.com/blog/developer-blog-implementing-stochastic-levels-of-detail-with-microsoft-directx-raytracing/
Without stochastic techniques, the abrupt, discrete transition between LODs can result in distracting “popping” artifacts where an object suddenly shifts in appearance. Stochastic LOD creates a cross-dissolve between LOD levels by randomly assigning pixels to either the closer or farther LOD (Figure 2).
The simulation of radiant light transfer with stochastic ray-tracing
http://publica.fraunhofer.de/documents/N-71800.html
Fraunhofer IGD Area Source; Diffuse Interreflection; Importance Sampling; Indirect Illumination; Markov Chain; Monte Carlo method; stochastic ray-tracing: Abstract In the following an implementation of the Rendering Equation according to Kajiya (Kajiya 86) is presented, that models the radiant light transfer in oder to generate photorealistic ...
Distributed ray tracing - Wikipedia
https://en.wikipedia.org/wiki/Distributed_ray_tracing
It is essentially an application of the Monte Carlo method to 3D computer graphics, and for this reason is also called " stochastic ray tracing". Path tracing is a rendering technique that combines all of these integration domains into a single, high-dimensional domain and samples it in a unified way. Integration domains Soft shadows Anti-aliasing
Practical Noise Reduction for Progressive Stochastic Ray Tracing …
https://dl.acm.org/doi/10.1109/MCG.2012.30
A proposed method reduces noise in stochastic ray tracing for interactive progressive rendering. The method accumulates high-variance light paths …
Raytracing | Forward Raytracing | Backwards Raytracing
https://www.schorsch.com/en/kbase/glossary/raytracing.html
A method of computer graphics, normal used to create synthetic images of imaginary scenes in space. There are two variants of raytracing: Forward Raytracing In this case, the program simulates rays of light (or other spectra) that emanate from a light source, and determines where they end up when following a number of reflecion on scene surfaces.
Filtering noise in progressive stochastic ray tracing - Four ...
http://publica.fraunhofer.de/documents/N-206278.html
Fraunhofer IGD stochastic ray tracing; noise reduction; progressive rendering; illumination; filtering; 3D rendering; ray tracing: Abstract We present an improved version of a state-of-the-art noise reduction technique for progressive stochastic rendering. Our additions make the method significantly faster at the cost of an acceptable loss in ...
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