Squeeze: numerical-precision-optimized volume rendering

  • Authors:
  • Ingmar Bitter;Neophytos Neophytou;Klaus Mueller;Arie E. Kaufman

  • Affiliations:
  • National Institutes of Health;State University of New York at Stony Brook;State University of New York at Stony Brook;State University of New York at Stony Brook

  • Venue:
  • Proceedings of the ACM SIGGRAPH/EUROGRAPHICS conference on Graphics hardware
  • Year:
  • 2004

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Abstract

This paper discusses how to squeeze volume rendering into as few bits per operation as possible while still retaining excellent image quality. For each of the typical volume rendering pipeline stages in texture map volume rendering, ray casting and splatting we provide a quantitative analysis of the theoretical and practical limits for the required bit precision for computation and storage. Applying this analysis to any volume rendering implementation can balance the internal precisions based on the desired final output precision and can result in significant speedups and reduced memory footprint.