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EP/I031243/1 - Faster and higher quality global illumination

Research Perspectives grant details from EPSRC portfolio

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Dr MW Jones EP/I031243/1 - Faster and higher quality global illumination

Principal Investigator - College of Science, Swansea University

Scheme

Standard Research

Research Areas

Graphics and Visualisation Graphics and Visualisation

Start Date

08/2011

End Date

07/2014

Value

£247,013

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Grant Description

Summary and Description of the grant

Global illumination brings realistic and detailed lighting environments to Computer Graphics imagery at the expense of very high computational cost. Although most people are unaware, they experience its imagery when they have renderings of a new kitchen design, in public displays of new architecture, and in a variety of film, advertising and entertainment. The computer imagery produced by this technique can deliver the highest form of realism achievable by Computer Graphics as it models indirect light (reflected from other surfaces) and not just light direct from light sources in the scene.Such realism is now a standard requirement for the above applications and it is also gaining popularity in the virtual reality and scientific visualization communities as the advantages of increased perception and understanding are now recognised and outweigh the disadvantages of production time.Current approaches for fast global illumination place limits on the scene geometry, depth of light paths, numbers of samples, or the materials in the scene. Within these limitations it is possible to employ large caches for computation reuse (only in static scenes), or create simplified algorithms on the GPU, but always at the cost of reducing rendering accuracy.The aim of this research is to work towards real-time and accurate global illumination techniques by exploring new approaches to biased rendering methods. We will apply hierarchical techniques, clustering, ray and photon statistics and information, edge detection and combine other appropriate techniques to reduce the complexity and computation of global illumination whilst maintaining or enhancing visual accuracy.These improved timings and render quality will be demonstrated within a software package. The improved algorithms will allow the above application areas to produce higher quality images at reduced cost.

Structured Data / Microdata


Grant Event Details:
Name: Faster and higher quality global illumination - EP/I031243/1
Start Date: 2011-08-01T00:00:00+00:00
End Date: 2014-07-31T00:00:00+00:00

Organization: Swansea University

Description: Global illumination brings realistic and detailed lighting environments to Computer Graphics imagery at the expense of very high computational cost. Although most people are unaware, they experience its imagery when they have renderings of a new kitchen de ...