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Spatiotemporal sensitivity and visual attention for efficient rendering of dynamic environments

Published: 01 January 2001 Publication History

Abstract

We present a method to accelerate global illumination computation in prerendered animations by taking advantage of limitations of the human visual system. A spatiotemporal error tolerance map, constructed from psychophysical data based on velocity dependent contrast sensitivity, is used to accelerate rendering. The error map is augmented by a model of visual attention in order to account for the tracking behavior of the eye. Perceptual acceleration combined with good sampling protocols provide a global illumination solution feasible for use in animation. Results indicate an order of magnitude improvement in computational speed.

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          cover image ACM Transactions on Graphics
          ACM Transactions on Graphics  Volume 20, Issue 1
          Jan. 2001
          65 pages
          ISSN:0730-0301
          EISSN:1557-7368
          DOI:10.1145/383745
          Issue’s Table of Contents

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          Association for Computing Machinery

          New York, NY, United States

          Publication History

          Published: 01 January 2001
          Published in TOG Volume 20, Issue 1

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