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Progressive Refinement - an overview | ScienceDirect …
https://www.sciencedirect.com/topics/computer-science/progressive-refinement
Ray-tracing algorithms are also suited to both progressive refinement and quickly computing rough previews by taking just a few samples per pixel; rasterization-based renderers don’t have equivalent capabilities. • Adopting physically based reflection models has made it easier to design surface materials.
Antialiased ray tracing by adaptive progressive refinement
https://www.researchgate.net/publication/220721426_Antialiased_ray_tracing_by_adaptive_progressive_refinement
We describe an antialiasing system for ray tracing based on adaptive progressive refinement. The goals of the system are to produce high quality antialiased images at a …
(PDF) An Algorithm for Progressive Raytracing
https://www.researchgate.net/publication/221581505_An_Algorithm_for_Progressive_Raytracing
We describe an antialiasing system for ray tracing based on adaptive progressive refinement. The goals of the system are to produce high quality antialiased images at a …
An Algorithm for Progressive Raytracing | SpringerLink
https://link.springer.com/chapter/10.1007/3-540-40888-6_23
In this paper, we survey the progressive image generation techniques and present an algorithm for progressive generation of raytraced images. The algorithm utilizes a refinement technique that is similar to the one used in generating interlaced images in a progressive manner. Keywords. progressive image generation; progressive transmission; raytracing
Chapter 39. Global Illumination Using Progressive …
https://developer.nvidia.com/gpugems/gpugems2/part-v-image-oriented-computing/chapter-39-global-illumination-using-progressive
Global Illumination Using Progressive Refinement Radiosity Greg Coombe University of North Carolina at Chapel Hill Mark Harris NVIDIA Corporation With the advent of powerful graphics hardware, people have begun to look beyond local illumination models toward more complicated global illumination models, such as those made possible by ray tracing and radiosity.
Progressive meshes - Wikipedia
https://en.wikipedia.org/wiki/Progressive_refinement
Progressive meshes is one of the techniques of dynamic level of detail. This technique was introduced by Hugues Hoppe in 1996. This method uses saving a model to the structure - the progressive mesh, which allows a smooth choice of detail levels depending on the current view. Practically, this means that it is possible to display whole model with the lowest level of detail …
A Progressive Refinement Approach for the Visualisation of …
https://link.springer.com/chapter/10.1007/978-3-540-75274-5_6
Overall, we show that our progressive refinement approach not only provides the user with visual feedback as the rendering advances but is also capable of completing the image faster than a conventional implicit surface rendering algorithm based on ray casting. Keywords. Affine arithmetic; implicit surface; progressive refinement; ray casting
Two Adaptive Techniques Let Progressive Refinement …
https://www.cs.unc.edu/techreports/89-020.pdf
3. switching from a hemi-cube Z-buffer to ray sampling at the appropriate point in the computation to optimize efficiency. The key idea is that of importance sampling. The reasoning is similar to the reasoning applied by Kajiya [Kajiya86] to eliminate unnecessary samples in traditional ray tracing and obtain the ~ tracing algorithm.
Computer Graphics, Volume 22, Number 4, August 1988
https://icg.gwu.edu/sites/g/files/zaxdzs1481/f/downloads/A%20progressive%20refinement%20approach%20to%20fast%20radiosity%20image%20generation.pdf
A Progressive Refinement Approach to Fast Radiosity Image Generation Michael F. Cohen, Shenchang Eric Chen, John R. Wallace, Donald P. Greenberg ... ray-tracing and radiosity are too expensive on current machines to be used as the basis of interactive rendering. One approach to accommodating the competing demands of ...
Practical Techniques for Ray Tracing in Games
http://cdn.imgtec.com/sdk-presentations/gdc2014_practicalTechniquesForRayTracingInGames.pdf
3 What Ray Tracing is! Myth: Ray Tracing is only for photorealistic / physically accurate rendering Myth: Ray Tracing is incompatible with rasterized graphics Myth: Ray Tracing is a less efficient way to render a given number of pixels Truth: It is just a tool. It can be used for a range of purposes Truth: It can be used in a rasterized game engine for certain effects
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