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Computational Complexity of Ray Tracing | by You Jeen …
https://medium.com/smith-hcv/computational-complexity-of-ray-tracing-1db936e6aba4
Figures 6 and 7 from Reif et al. (1994)’s paper “Computability and Complexity of Ray Tracing.” Points with rational coordinates (U, V) in 2D space are transformed into “complex boxes” in 3D space....
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Computability and complexity of ray tracing | SpringerLink
https://link.springer.com/article/10.1007/BF02574009
Ray tracing is now used extensively in computer graphics to render scenes with complex curved objects under global illumination. We show that ray-tracing problems in some three-dimensional simple optical systems (purely geometrical optics) are undecidable.
Data structures and the time complexity of ray tracing
https://link.springer.com/article/10.1007/BF01952827
The time complexity of ray tracing is a function of the data structures used for space division. Octree and hierarchical extents have been suggested as effective choices. In this paper, complexity parameters are suggested to characterize images and show that both octrees and hierarchies are appropriate choices if given most favorable images.
Ray Tracing - Stanford University
https://graphics.stanford.edu/courses/cs448a-01-fall/lectures/lecture13/raytracing.2up.pdf
C = R T + S With acceleration C = RV + RT + S l = average number of ray-voxel traversals mean free path of the ray a = average number of triangles per voxel t = l a (average number of ray-triangle intersections) C = R (l Crv + t Crt + Cs) = R [l * (Crv + a Crt) + Cs] l …
Accuracy vs. Complexity for mmWave Ray-Tracing: A Full …
https://www.researchgate.net/publication/352495146_Accuracy_vs_Complexity_for_mmWave_Ray-Tracing_A_Full_Stack_Perspective
In this perspective, ray tracing can characterize the channel in terms of Multi Path Components (MPCs) to provide a highly accurate model, at the price of …
Introduction to Computer Graphics, Section 8.1 -- Ray Tracing
https://math.hws.edu/graphicsbook/c8/s1.html
Ray tracing is probably the best known technique for higher quality graphics. The idea behind it is not complicated: To find out what you see when you look in a given direction, consider a ray of light that arrives at your location from that direction, and follow that light ray backwards to see where it came from.
graphics - Performance of Ray Tracing - Stack Overflow
https://stackoverflow.com/questions/13138841/performance-of-ray-tracing
A well-designed ray tracer will use acceleration datastructures that improve on the performance of a naive ray tracer. The general consensus is that performance can scale like log (scene complexity) per sample due to your acceleration structure -- although you also need to build and maintain the acceleration structure! – comingstorm
Raytracing vs Rasterization - scarydevil.com
http://www.scarydevil.com/~peter/io/raytracing-vs-rasterization.html
Ray tracing is just one algorithm for solving a large, complex integral equation which researchers have called "the rendering equation". Simple ray tracing attempts to solve the equation by taking a …
Raylogic
Ray tracing can reduce the complexity of the rendering pipeline dramatically, while providing much more realistic lighting, shadowing and global illumination, as well true reflections and a straightforward implementation of PBR materials.
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