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Ray Tracing Animated Scenes using Coherent Grid …
https://www.sci.utah.edu/~thiago/papers/grid.pdf
Ray Tracer Uniform Grid Traversal in OpenCL - Stack …
https://stackoverflow.com/questions/23268429/ray-tracer-uniform-grid-traversal-in-opencl
I'm attempting to create a Real Time Ray Tracer using OpenCL however, I'm very new to OpenCL and how to use it. As part of accelerating the ray tracing process, I have implemented a Uniform Grid w...
US10672178B2 - Ray traversal with virtual grids - Google …
https://patents.google.com/patent/US10672178B2/en
US10672178B2 - Ray traversal with virtual grids - Google Patents Circuitry for identifying a closest intersected bounding volume in a target grid in a 3-dimensional scene includes circuitry that...
Ray Tracing Animated Scenes using Coherent Grid …
https://www.sci.utah.edu/publications/Wal2006b/p485-wald.pdf
Ray Tracing Animated Scenes using Coherent Grid Traversal Ingo Wald Thiago Ize Andrew Kensler Aaron Knoll Steven G. Parker SCI Institute, University of Utah Figure 1: Several animated models ray traced using our coherent grid traversal: a) A gesturing hand of 16K triangles. b) An animated fiPoserfl model (78K triangles).
Fast raytracing through a 3D grid - File Exchange
https://www.mathworks.com/matlabcentral/fileexchange/56527-fast-raytracing-through-a-3d-grid
When compiled, this function can run up to 100 times faster (128x128x128 grid) than similar function implemented directly in Matlab ("A fast voxel traversal algorithm for ray tracing by Jesús P. Mena-Chalco"). To compile the mex function, set up the Matlab mex compiler, and run "mex wooRaytrace.cpp".
A Fast Voxel Traversal Algorithm for Ray Tracing
http://www.cse.yorku.ca/~amana/research/grid.pdf
The traversal algorithm consists of two phases: initialization and incremental traversal. The initial-ization phase begins by identifying the voxel in which the ray origin,u→, is found. If the ray origin is out-side the grid, we find the point in which the ray enters the grid and take the adjacent voxel. The integer
raytracing - Methods for grid traversal in a glsl pixel …
https://computergraphics.stackexchange.com/questions/1901/methods-for-grid-traversal-in-a-glsl-pixel-shader
Raytracing is more of a CPU/software rendering oriented algorithm, whereas raymarching with signed distance fields is much more easy to implement on a GPU, IMO. – EvilTak Jan 16, 2016 at 6:24 For sphere and axis aligned box, directly finding the intersection with raytracing is …
(PDF) A Fast Voxel Traversal Algorithm for Ray Tracing
https://www.researchgate.net/publication/2611491_A_Fast_Voxel_Traversal_Algorithm_for_Ray_Tracing
The trav ersal algorithm consists of two phases: initialization and incremental tra versal. The initial-. ization phase begins by identifying the v oxel in which the ray origin, →. u, is found ...
Watertight Ray Traversal with Reduced Precision
https://www.intel.com/content/dam/develop/external/us/en/documents/rptraversal.pdf
Abstract Reduced precision bounding volume hierarchies and ray traversal can significantly improve the efficiency of ray tracing through low-cost dedicated hardware. A key approach to enabling reduced precision computations during traversal is to translate the ray origin closer to the bounding volume hierarchy node after each traversal step.
Understanding the Efficiency of Ray Traversal on …
https://www.nvidia.com/docs/IO/76976/HPG2009-Trace-Efficiency.pdf
A simple alternative to packet traversal is to let each ray traverse in- dependently, exactly to the nodes it actually intersects. A separate traversal stack needs to be maintained for each ray, and in our im- plementation the full per-ray stacks are stored in thread-local mem- ory (external memory), following the outline of Zhou et al. [2008].
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