IsoBAS: a binary accelerating structure for fast isosurface rendering on GPUs.

Baoquan Liu, Gordon Clapworthy, Feng Dong

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This paper introduces a binary accelerating structure, IsoBAS, to support GPU-based full-resolution real-time isosurface rendering for large datasets with dynamically varying isovalues. By looking up this structure during the ray-tracing stage, the algorithm can rapidly locate active cells along rays. The experimental results demonstrate that the proposed algorithm is much faster (up to 28 times) than current state-of-the-art algorithms. Furthermore, it has a much smaller memory footprint, now enabling GPUs to process large datasets on which previous GPU algorithms would fail due to a lack of available memory. To the authors׳ knowledge, this is the fastest dynamic isosurface rendering algorithm ever reported for operation on a single computer.
Original languageEnglish
Pages (from-to)60-70
Number of pages11
JournalComputers and Graphics
Volume48
DOIs
Publication statusE-pub ahead of print - 26 Feb 2015

Keywords

  • isosurface
  • volume visualization
  • GPU techniques

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