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Space subdivision for fast ray tracing | IEEE Journals & Magazine ...
https://ieeexplore.ieee.org/document/6429331/#:~:text=The%20algorithm%20is%20based%20on%20subdividing%20space%20into,it%20has%20hit%20nothing%20in%20the%20current%20node.
Space Subdivision for Fast Ray Tracing – Andrew Glassner
https://www.glassner.com/computer-graphics/graphics-research/space-subdivision-for-fast-ray-tracing/
Ray Tracing is a technique for creating realistic images of 3D scenes. It’s easy to understand, and easy to program. But it’s really really really slow. This paper showed that you could speed things up a lot by using a hierarchy of boxes that …
Space subdivision for fast ray tracing | IEEE Journals
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. It includes a technique for obtaining fast …
Spacetime Ray Tracing – Andrew Glassner
https://www.glassner.com/computer-graphics/graphics-research/spacetime-ray-tracing/
The Main Idea. Ray tracing is a great way to make images, but it’s slow. If you want to make movies, it’s even slower. In some previous research, I showed how to speed up the ray-tracing of an image using a hierarchy of 3D boxes in space. Then I realized I could speed up the ray-tracing of a movie by using a hierarchy of 4D shapes in spacetime.
Image space subdivision for fast ray tracing - DeepDyve
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
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 previous work on space subdivision is presented. 2.1. Rays and Planes A ray is defined by a point origin and a direction vector, both of which consist of three coordinates.
Space subdivision for fast ray tracing - 百度学术
https://xueshu.baidu.com/usercenter/paper/show?paperid=76ae1eff45ceb26a12bb693a28de7599
Space subdivision for fast ray tracing ... Glassner ， S Andrew. 展开 . 摘要： 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 ...
Heuristics for ray tracing using space subdivision
https://link.springer.com/article/10.1007/BF01911006
Glassner AS (1984) Space subdivision for fast ray tracing. IEEE Comput Graph Appl 4:15–22 Google Scholar Glassner AS (1987a) An overview of ray tracing SIGGRAPH '87 Introduction to Ray Tracing Course Notes Glassner AS (1987b) Spacetime ray tracing for animation. SIGGRAPH '87 Introduction to Ray Tracing Course Notes
Analysis of an algorithm for fast ray tracing using …
https://link.springer.com/article/10.1007/BF01905559
Abstract. Ray tracing is becoming popular as the best method of rendering high quality images from three dimensional models. Unfortunately, the computational cost is high. Recently, a number of authors have reported on ways to speed up this process by means of space subdivision which is used to minimize the number of intersection calculations.
(PDF) A Fast Voxel Traversal Algorithm for Ray Tracing
https://www.researchgate.net/publication/2611491_A_Fast_Voxel_Traversal_Algorithm_for_Ray_Tracing
A.S. Glassner, “Space Subdivision for Fast Ray T racing, ” IEEE Computer Graphics and Applica- ... voxels are used for fast ray tracing [1], voxelisation of surfaces and solids [2,3], shadow ...
Methods to Accelerate Ray Tracing in the Monte Carlo …
https://asmedigitalcollection.asme.org/heattransfer/article/128/9/945/444401/Methods-to-Accelerate-Ray-Tracing-in-the-Monte
Two different algorithms to accelerate ray tracing in surface-to-surface radiation Monte Carlo calculations are investigated. The first algorithm is the well-known binary spatial partitioning (BSP) algorithm, which recursively bisects the computational domain into a set of hierarchically linked boxes that are then made use of to narrow down the number of ray …
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