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An Overview of the Ray-Tracing Rendering Technique
https://www.scratchapixel.com/lessons/3d-basic-rendering/ray-tracing-overview#:~:text=Ray-tracing%20is%20a%20technique%20for%20computing%20the%20visibility,the%20color%20of%20a%20point%20in%20the%20scene.
Ray tracing for visibility analysis | Download Scientific …
https://researchgate.net/figure/Ray-tracing-for-visibility-analysis_fig2_277676814
Download scientific diagram | Ray tracing for visibility analysis from publication: High Performance Processing and Analysis of Geospatial Data Using CUDA on GPU | In this paper, the high ...
Interactive ray tracing with the visibility complex
https://experts.illinois.edu/en/publications/interactive-ray-tracing-with-the-visibility-complex
Sweeping the viewing ray around a viewpoint corresponds to walking along a trajectory on the visibility complex. Producing a ray-traced image is equivalent to walking along and maintaining a set of trajectories. Generating ray-traced images with the visibility complex is very efficient since it uses the coherence among the rays effectively.
(PDF) A Visibility Field for Ray Tracing - ResearchGate
https://www.researchgate.net/publication/4270420_A_Visibility_Field_for_Ray_Tracing
This paper presents a type of visibility data structure for accelerated ray tracing. The visibility field is constructed by choosing a regular point subdivision over a hemisphere to obtain a set ...
(PDF) Ray Tracing with Selective Visibility - ResearchGate
https://www.researchgate.net/publication/241729958_Ray_Tracing_with_Selective_Visibility
This addition can be incorporated seamlessly into any ray tracer and may help to generate visually interesting images. Ray-tracing 'wrong' reeections with visibility masks. 'Wrong' shadows (two ...
An Overview of the Ray-Tracing Rendering Technique
https://www.scratchapixel.com/lessons/3d-basic-rendering/ray-tracing-overview
Ray-tracing is a technique for computing the visibility between points. Light transport algorithms are designed to simulate the way light propagates through space (while interacting with objects). They are used (in short) to compute the …
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Ray tracing (graphics) Not to be confused with Ray tracing (physics). This recursive ray tracing of reflective colored spheres on a white surface demonstrates the effects of shallow depth of field, "area" light sources, and diffuse interreflection. In 3D computer graphics, ray tracing is a technique for modeling light transport for use in a ...
Ray Tracing with Selective Visibility: Journal of Graphics Tools: …
https://www.tandfonline.com/doi/abs/10.1080/10867651.1996.10487465
Abstract. We propose a simple yet effective extension of the ray-tracing algorithm that allows selective visibility of objects for specific rays. Typically, rays are classified as pixel, shadow, reflected, and transmitted. We suggest adding to material descriptions a visibility mask which controls how these rays interact with the material.
(PDF) Interactive ray tracing with the visibility complex
https://www.researchgate.net/publication/222494318_Interactive_ray_tracing_with_the_visibility_complex
directional ray tracing using the visibility complex is attractive since all the shading information is calculated in object precision, thereby avoiding sampling problems.
Visibility techniques and applications Interactive ray tracing …
http://luthuli.cs.uiuc.edu/~daf/papers/raytracing.pdf
We describe a method of producing ray-traced images of 2D environments at interactive rates. The 2D environment consists of a set of disjoint, convex polygons. Our technique is based on the visibility complex [17,19] [Pocchiola M, Vegter G. Proc Int J Comput GEOM Applic 1996;6(3):279}308. Rivie‘re S. Visibility computations in 2D polygonal scenes.
Ray-Tracing: Generating Camera Rays (Definition of a Ray)
https://www.scratchapixel.com/lessons/3d-basic-rendering/ray-tracing-generating-camera-rays
Ray-tracing is a technique used to compute the visibility between points. It is simply a technique based on the concept of ray which can be mathematically (and in a computer program) defined as a point (the origin of the ray in space) and a direction.
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