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ADAPTIVE VOXEL SUBDIVISION FOR RAY TRACING
https://dspace.ucalgary.ca/handle/1880/46243?mode=full
[PDF] ADAPTIVE VOXEL SUBDIVISION FOR RAY TRACING …
https://www.semanticscholar.org/paper/ADAPTIVE-VOXEL-SUBDIVISION-FOR-RAY-TRACING-Jevans-Wyvill/6bae0174c68f60750863f6eadaea63b0daec9bc5
This integration of regular and adaptive spatial subdivision methods allows images consisting of large regularly distributed objects and small dense objects to be ray traced efficiently. Although regular subdivision has been shown to be efficient at ray tracing scenes where objects are evenly distributed, such algorithms perform poorly when objects are concentrated in a small number …
ADAPTIVE VOXEL SUBDIVISION FOR RAY TRACING
https://prism.ucalgary.ca/bitstream/handle/1880/46243/1988-332-44.pdf;sequence=2
University of Calgary PRISM: University of Calgary's Digital Repository Science Science Research & Publications 1988-11-01 ADAPTIVE VOXEL SUBDIVISION FOR RAY TRACING
ADAPTIVE VOXEL SUBDIVISION FOR RAY TRACING
https://search.datacite.org/works/10.11575/prism/31213
Although regular subdivision has been shown to be efficient at ray tracing scenes where objects are evenly distributed, such algorithms perform poorly when objects are concentrated in a small number of voxels. In this paper, a method is presented where voxels in a regular grid are examined and recursively subdivided depending on object density.
Parallel Ray Tracing with 5D Adaptive Subdivision
https://www.virascience.com/document/7415a88523e92a8dafc353a61871eaf226b1cf7d/
Adaptive Voxel Subdivision for Ray Tracing Although regular subdivision has been shown to be efficient at ray tracing scenes where objects are evenly distributed, such algorithms perform poorly when objects are concentrated in a small number of voxels. In this paper, a method is presented where voxels in a regular grid are examined and ...
Adaptive cell division for ray tracing | Semantic Scholar
https://www.semanticscholar.org/paper/Adaptive-cell-division-for-ray-tracing-Pradhan-Mukhopadhyay/8b0efc7f5812b3e768f9c9a3415490dae023ac07
Abstract In ray tracing the two most commonly used data structures are the octree and uniform cell division. The octree structure allows efficient adaptive subdivision of space, while taking care of the spatial coherence of the objects in it; however, the tree structure locating the next node in the path of a ray is complex and time consuming. The cell structure, on the other hand, can be ...
(PDF) Parallel Ray Tracing With 5d Adaptive Subdivision
https://www.researchgate.net/publication/2949902_Parallel_Ray_Tracing_With_5d_Adaptive_Subdivision
We present strategies for parallelising ray tracing based on 5D adaptive subdivision. Our goals are to obtain good speed-up and to efficiently balance the load between the processors while...
(PDF) A Fast Voxel Traversal Algorithm for Ray Tracing
https://www.researchgate.net/publication/2611491_A_Fast_Voxel_Traversal_Algorithm_for_Ray_Tracing
A fast and simple v oxel tra versal algorithm through a 3D space partition is intro- duced. Going from one vox el to its neighbour requires only two floating point compar - …
Space subdivision for fast ray tracing - IEEE Xplore
https://ieeexplore.ieee.org/document/6429331/
An algorithm is described that speeds up ray-tracing techniques by reducing the number of time-consuming object-ray intersection calculations that have to be made. The algorithm is based on subdividing space into an octree, associating a given voxel with only those objects whose surfaces pass through the volume of the voxel.
A Fast Voxel Traversal Algorithm for Ray Tracing
http://www.cse.yorku.ca/~amana/research/grid.pdf
Each voxel has a list of objects that are in that voxel. If an object spans several voxels it is in more than one list. When a ray is shot, we first look into the voxel in which it originates. If it hits any objects in the starting voxel’s list, the intersections are sorted and the closest one is retained. If the intersection is in the
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