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GPU-Octree-Ray-Tracing-for-PCL - GitHub
https://github.com/yiluo1992/PointCould_RayTracing_PCL_GPU_Octree
GitHub - yiluo1992/PointCould_RayTracing_PCL_GPU_Octree: PointCould RayTracing for PCL GPU Octree.
Octree-R: An Adaptive Octree for Efficient Ray Tracing
https://www.researchgate.net/publication/3410767_Octree-R_An_Adaptive_Octree_for_Efficient_Ray_Tracing
We propose the Octree-R, an octree-variant data structure for efficient ray tracing. The algorithm for constructing the Octree-R first estimates the number of ray …
Octree traversal for raytracing - Graphics and GPU Programming ...
https://gamedev.net/forums/topic/448781-octree-traversal-for-raytracing/3976021/
Hello, I am currently trying to use my octree for some ray tracing. The traversal of the octree requires an unexpected amount of time, taking up to 5 seconds for 2500 rays :-( The number of primitives per leaf is limited to max. 10. The intersection algorithm, called recursively starting at root node:
Octree traversal for raytracing - Graphics and GPU Programming ...
https://www.gamedev.net/forums/topic/448781-octree-traversal-for-raytracing/
Hello, I am currently trying to use my octree for some ray tracing. The traversal of the octree requires an unexpected amount of time, taking up to 5 seconds for 2500 rays :-( The number of primitives per leaf is limited to max. 10. The intersection algorithm, called recursively starting at root n
Ray Tracing Complex Objects Using Octrees - Swarthmore …
https://www.cs.swarthmore.edu/~jcarste1/pdfs/octree.pdf
that multiple nodes will be struck by a ray. Testing for hits is extremely complicated and uses some complex parametric algorithms [4]. The nal aspect of the Octree implementation is the ray-octree intersection that needs to be calculated in order to know which leaf nodes are pierced by a ray. This is done by taking the ray parametric function ...
octree · GitHub Topics · GitHub
https://github.com/topics/octree?l=c%2B%2B
GPU Ray Tracing! robotics octree glsl ... Using a process over an octree to accelerate the ray. real-time octree rasterizer raytracing tracer ray raycasting space-partitioning Updated Dec 17, 2021; C++; ... Improve this page Add a description, image, and ...
Is BVH faster than the octree/kd-tree for raytracing the objects on …
https://computergraphics.stackexchange.com/questions/10098/is-bvh-faster-than-the-octree-kd-tree-for-raytracing-the-objects-on-a-gpu
First, it is important to observe that there are basically two different "classes" of methods for building accelerations structures for ray tracing: 1) space subdivision methods (e.g. BSP, kD-Tree, Octree, etc.); and 2) object subdivision methods (e.g. BVH).
Octree-based, GPU Implementation of a Continuous …
https://digital.csic.es/bitstream/10261/48298/3/Octree-based%2CGPU.pdf
Figure 1: (a) Space discretization and octree depth. (b) 3D surface as an interface between two phases and corresponding octree structure. memory address until the operation is complete. Figure 2: Leaf nodes of the octree represent the minimum spatial region. For a crystalline structure, this minimum space region can be defined as: (a) an ...
Using octree for cheking intersection of ray and meshes
https://computergraphics.stackexchange.com/questions/8874/using-octree-for-cheking-intersection-of-ray-and-meshes
In broad phase I build an oriented bounding box around each mesh and check intersection of ray with boxes. In narrow phase I check intersection of ray and each triangle of the meshes from broad phase using Möller-Trumbore algorithm. In general it works well. Now my task is to optimize broad phase using Octree.
Efficient GPU Screen-Space Ray Tracing
https://jcgt.org/published/0003/04/04/paper.pdf
examples of pixel-shader ray tracing for several applications. 1. Introduction Ray casting is a fundamental computer-graphics primitive for determining visibility between two points and for discovering the next surface intersection on a path that transports light through a scene. (Ray tracing is technically the process of recursively 73
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