Ray Tracing Goes Mainstream

Hurley, Jim

doi:10.1535/itj.0902.01

Cited by 34 publications

(19 citation statements)

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“…Accelerate the intersection computations, since the algorithm spends most of its execution in intersection tests, as in [5,17,27,36]; 2. Parallelization, since the algorithm can be easily and very well parallelized (embarrassingly parallel algorithm), as discussed in [13,33,34].…”

Section: Related Workmentioning

confidence: 99%

“…The algorithm has been, for some time, subject of parallel implementations on Clusters [3,33] and Shared Memory Systems [5], combined with other acceleration techniques for spatial subdivision. The acceleration achieved is usually linear to the number of available processors, as in [4,13].…”

Section: Related Workmentioning

confidence: 99%

“…Generally, the algorithm scales linearly to the number of available processors [13,33]. Thus, in the last few decades, the ray tracing algorithm has regained focus due to advances on multiprocessor architectures [5,8,34,35] and graphics pipeline [6,25,26].…”

Section: Introductionmentioning

confidence: 99%

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An efficient parallel architecture for ray-tracing

Nery

Nedjah

França

2011

Analog Integr Circ Sig Process

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Real time rendering of three-dimensional scenes in high photorealistic details is a hard task, such as in the ray tracing rendering algorithm. In general, the performance achieved by a sequential software-based implementation of ray tracing is far from satisfactory. However, parallel implementations of ray tracing have been enabling reasonable real time performance, as the algorithm is embarrassingly parallel. Thus, a custom parallel design in hardware is likely to achieve an even higher performance. In this paper, we propose a hardware parallel architecture capable of dealing with the main desirable features of ray tracing, such as shadows and reflection effects, imposing low area cost and a promising rendering performance. Such architecture, called GridRT, is based on the Uniform Grid acceleration structure and is intended to deliver massive parallelism through parallel ray-triangle intersection tests as well as parallel processing of many rays. A hardware implementation of the proposed architecture is presented, together with some performance results and resources requirements. The rendering is reduced by 80% using a grid configuration of eight processing elements.

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Section: Related Workmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

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An efficient parallel architecture for ray-tracing

Nery

Nedjah

França

2011

Analog Integr Circ Sig Process

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“…Meeting the requirement of high realism is an important factor, for example, in designing visualization systems (VS) for simulators of a variety of vehicles (e. g., aviation training simulators) or those used in film making with the use of computer graphics, etc. One possible way to cope with this problem is to apply the ray tracing method in solving problems of image synthesis [2].…”

Section: Introductionmentioning

confidence: 99%

Ray tracing synthesis of spatial curve images built by the spherical interpolation method

Гусятин

Gusiatin

Mikhal

2017

EEJET

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Therefore, study of capabilities of synthesis by ray tracing of images of smooth spatial curves constructed by the method of spherical interpolation is a crucial issue. Literature review and problem statementThe methods for constructing curves and surfaces that interpolate points set in space largely determine complexity of the algorithm for synthesizing images of objects and realism of the synthesized scene. Comparison of various ways of describing curves and surfaces in solving problems of image synthesis by the method of ray tracing is given hereinafter. Objects with a triangulated surface without smoothing are used alongside the method of ray tracing in [3]. A method was proposed for finding the point of intersection of a projection ray (PR) with a triangle. At the same time, this approach significantly worsens realism of synthesized objects since the surface geometry is violated and physically correct illumination cannot be calculated.One of convenient mathematical methods for describing curvilinear forms of objects consists in their representation with the help of pieces of parametric curves, surfaces or splines. Finding the point of intersection of a PR with such surfaces is not an easy task. An algorithm for finding point of intersection of a PR with NURBS splines was proposed in 4

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“…Lately, with the advent of more capable hardware, interactive ray tracing research gained more popularity. Moreover, ray tracing is expected to be a viable alternative to raster based graphics rendering [18]. Some of the recent works focused on accelerating ray tracing algorithmically [32,40], while some others are centered upon specialized ray tracing processors [33,34,44].…”

Section: Introductionmentioning

confidence: 99%

Accelerated regular grid traversals using extended anisotropic chessboard distance fields on a parallel stream processor

İşler²

2007

Journal of Parallel and Distributed Computing

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Ray Tracing Goes Mainstream

Cited by 34 publications

References 0 publications

An efficient parallel architecture for ray-tracing

An efficient parallel architecture for ray-tracing

Ray tracing synthesis of spatial curve images built by the spherical interpolation method

Accelerated regular grid traversals using extended anisotropic chessboard distance fields on a parallel stream processor

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