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Exact and Error-Bounded Approximate Color Buffer Compression and Decompression

Författare:
Redaktör:
  • Timo Aila
  • Mark Segal
Publiceringsår: 2007
Språk: Engelska
Sidor: 41-48
Publikation/Tidskrift/Serie: Proceedings of the 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware
Volym: 2007
Dokumenttyp: Konferensbidrag
Förlag: ACM Press

Sammanfattning

In this paper, we first present a survey of existing color buffer compression algorithms. After that, we introduce a new scheme based on an exactly reversible color transform, simple prediction, and Golomb-Rice encoding. In addition to this, we introduce an error control mechanism, which can be used for approximate (lossy) color buffer compression. In this way, the introduced error is kept under strict control. To the best of our knowledge, this has not been explored before in the literature. Our results indicate superior compression ratios compared to existing algorithms, and we believe that approximate compression can be important for mobile GPUs

Disputation

Nyckelord

  • Technology and Engineering
  • color buffer compression
  • 3D graphics

Övriga

The 22nd ACM SIGGRAPH/EUROGRAPHICS symposium on Graphics hardware
2007-08-04/2007-08-05
San Diego, California
Published
Yes
  • Computer Graphics
  • ISBN: 978-1-59593-625-7

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