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Deep Coherent Ray Tracing

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Author

Summary, in English

Tracing secondary rays, such as reflection, refraction and shadow rays, can often be the most costly step in a modern real-time ray tracer. In this paper, we examine this problem by using suitable ray coherence measures and present a thorough evaluation of different reordering heuristics for secondary rays. We also present a simple system design for more coherent scene traversal by caching secondary rays and using sorted packet-tracing. Although the results are only slightly incremental to current research, we believe this study is an interesting contribution for further research in the field.

Publishing year

2007

Language

English

Pages

79-85

Publication/Series

IEEE Symposium on Interactive Ray Tracing, 2007. RT '07.

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Computer Science

Keywords

  • ray tracing
  • coherent scene traversal
  • deep coherent ray tracing
  • reordering heuristics
  • secondary ray caching
  • sorted packet-tracing

Conference name

RT 07 - Symposium on Interactive Ray Tracing 2007

Conference date

2007-09-10 - 2007-09-12

Conference place

Ulm, Germany

Status

Published

Research group

  • Computer Graphics

ISBN/ISSN/Other

  • ISBN: 978-1-4244-1629-5