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Space subdivision for fast ray tracing | IEEE Journals ...
https://ieeexplore.ieee.org/document/6429331/#:~:text=An%20algorithm%20is%20described%20that%20speeds%20up%20ray-tracing,surfaces%20pass%20through%20the%20volume%20of%20the%20voxel.
Space subdivision for fast ray tracing | IEEE Journals ...
https://ieeexplore.ieee.org/document/6429331/
Space subdivision for fast ray tracing Abstract: 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.
“Space Subdivison for Fast Ray Tracing” Andrew Glassner
https://saksagan.ceng.metu.edu.tr/courses/ceng469/2006/documents/GlassnersArticlePresentation.pdf
Overview of the New Algo. (1) Divide the space into voxels (auther uses compartments) and keep a list of the objects in each voxel. Find the voxel that the ray intersects. Check the ray-object intersection just for that voxel. If hit return the colour, else …
Space Subdivision for Fast Ray Tracing – Andrew Glassner
https://www.glassner.com/computer-graphics/graphics-research/space-subdivision-for-fast-ray-tracing/
The technique of using spatial subdivision for accelerating ray tracing has gone on to be further developed by many researchers who have taken the approach to levels of sophistication I never dreamed of. The technique is also used, in one form or another, in many commercial products.
Space subdivision for fast ray tracing | Semantic Scholar
https://www.semanticscholar.org/paper/Space-subdivision-for-fast-ray-tracing-Glassner/2d2c3239dacd3112ed39394b93122704b1d47f0b
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. It includes a technique for obtaining fast access to any node and a mechanism for finding the next node intersected by a ray when it has hit nothing in the current node.
Image space subdivision for fast ray tracing
https://www.spiedigitallibrary.org/conference-proceedings-of-spie/3811/1/Image-space-subdivision-for-fast-ray-tracing/10.1117/12.364088.full
Ray-tracing is notorious of its computational requirement. There were a number of techniques to speed up the process. However, a famous statistic indicated that ray-object intersections occupies over 95% of the total image generation time. Thus, it is most beneficial to work on this bottle-neck.
Space subdivision for fast ray tracing | Tutorial ...
https://dl.acm.org/doi/10.5555/95075.95113
Space subdivision for fast ray tracing. Author: A. S. Glassner. View Profile. Authors Info & Claims . Tutorial: computer graphics; image synthesis December 1988 Pages 160–167. Online: 01 December 1988 Publication History.
Image space subdivision for fast ray tracing - NASA/ADS
https://ui.adsabs.harvard.edu/abs/1999SPIE.3811..149Y/abstract
Image space subdivision for fast ray tracing Yu, Billy T. ; Yu, William W. Ray-tracing is notorious of its computational requirement. There were a number of techniques to speed up the process. However, a famous statistic indicated that ray-object intersections occupies over 95% of the total image generation time.
Image space subdivision for fast ray tracing | Semantic ...
https://www.semanticscholar.org/paper/Image-space-subdivision-for-fast-ray-tracing-Yu-Yu/14f918632a99bad036376688e4ff18a9eab6875e
A technique falling into the third category of ray-object intersection reduction techniques, which takes advantages of hierarchy by adopting a MX-CIF quadtree in the image space and shows that computational improvement grew with the complexity of the sceneries. Ray-tracing is notorious of its computational requirement. There were a number of techniques to speed up the process. …
Image space subdivision for fast ray tracing, Proceedings ...
https://www.deepdyve.com/lp/spie/image-space-subdivision-for-fast-ray-tracing-IG7UM1dxvY
The three major geometrical approaches to accelerate ray-tracing are bounding volume hierarchies, space subdivision, and directional subdivision [2]. The first approach uses bounding volume around objects to speed up the intersection test. Test for intersecting ray with a box is relatively cheap compared to that with the object.
Space Subdivision Algorithms for Ray Tracing
https://www.cs.ubc.ca/~ksbooth/PUB/docs/JDMacDonald1988.pdf
space subdivision for ray tracing. It begins with the basic geometry and alge bra of rays and planes, and then introduces the idea of a bounding volume. Next a description of the two major hierarchical data structures for ray tracing is given, with emphasis on space subdivision hierarchies. Finally, a survey of
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