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Hybrid Frustum Traced Shadows - NVIDIA Developer
https://developer.nvidia.com/hybrid-frustum-traced-shadows-0
A Fast Ray-Tracing Using Bounding Spheres and Frustum …
https://www.jstage.jst.go.jp/article/transinf/E93.D/4/E93.D_4_891/_article
Ray tracing is one of the most popular techniques for generating photo-realistic images. Extensive research and development work has made interactive static scene rendering realistic. This paper deals with interactive dynamic scene rendering in which not only the eye point but also the objects in the scene change their 3D locations every frame.
A Fast Ray-Tracing Using Bounding Spheres and Frustum …
https://www.researchgate.net/publication/220234529_A_Fast_Ray-Tracing_Using_Bounding_Spheres_and_Frustum_Rays_for_Dynamic_Scene_Rendering
Request PDF | A Fast Ray-Tracing Using Bounding Spheres and Frustum Rays for Dynamic Scene Rendering | Ray tracing is one of the most popular techniques for …
Frustum culling, collision detection and ray tracing ...
https://www.gamedev.net/forums/topic/688495-frustum-culling-collision-detection-and-ray-tracing/
Terrain is checked 2nd because it is least likely to be the closest object a ray will hit, and thus can provide fewer early-outs for the test against world objects. Frustum culling the "world" involves one algorithm to cull standard world objects, one to render/cull/LOD the terrain by itself, same for oceans, another for vegetation, etc.
Soft Shadow Volumes for Ray Tracing with Frustum …
http://www.cse.chalmers.se/~uffe/xjobb/SoftShadows2.pdf
The method replaces the hundreds of shadow rays commonly used in stochastic ray tracers with a single shadow ray and a local reconstruction of the visibility function. Compared to tracing shadow rays, this approach gives a clear Figure 2: Determining silhouette edges …
View Frustum Culling and Animated Ray Tracing ...
http://www.cse.chalmers.se/~uffe/lic.pdf
View frustum culling (VFC) is the technique for determining whether or not an object currently is located within the field-of-view and discarding objects outside. Ray tracing is an alternative method to rendering objects one by one for generating images [12,13].
ACCELERATED THREE DIMENSIONAL RAY TRACING …
https://www.jpier.org/PIER/pier96/03.09072303.pdf
After the environment data are loaded, the ray tracing process begins. For modeling a scattered wave from an obstacle, a ray frustum is formed with the visible triangular surface as a base. The apex of the frustum is set by the source position. The ray frustum represents a region that contains all the candidate ray paths scattered from the
Accelerated Three Dimensional Ray Tracing Techniques …
https://www.jpier.org/PIER/pier.php?paper=09072303
Abstract In this paper, accelerated techniques for three dimensional ray tracing using the concept of ray frustums are presented for the fast characterization of wireless communications, where various radio propagation paths such as wall-transmitted wave and scattered wave from buildings and ground are generated.
3D view frustum culling, ray casting - Stack Overflow
https://stackoverflow.com/questions/12023249/3d-view-frustum-culling-ray-casting
Show activity on this post. I don't think view frustum culling involves ray casting usually. Normally you'd just z-transform all your geometry and then clip any polygons whose vertices fall outside of the viewport, or whose z value is greater or less than the near/far clipping planes. Ray casting would be a lot more expensive, as you are ...
Ray tracing propagation model - MATLAB
https://www.mathworks.com/help/comm/ref/rfprop.raytracing.html
Ray tracing models: Are valid from 100 MHz to 100 GHz. Compute multiple propagation paths. Other propagation models compute only single propagation paths. Support 3-D outdoor and indoor environments. Determine the path loss and phase shift of each ray using electromagnetic analysis, including tracing the horizontal and vertical polarizations of ...
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