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On optimal resampling of view and illumination dependent textures

Published: 09 August 2008 Publication History

Abstract

The use of illumination and view dependent textural information is one way to capture the realistic appearance of genuine materials. One example of such data is the bidirectional texture function. The main disadvantage of these data, that makes their further application very difficult, is their massive size. Perceptually-based methods can determine optimal uniform resampling of these data that allows considerable reduction of a number of view and illumination dependent samples. In this paper we propose to achieve this goal by means of a psychophysical study, comparing original data rendering with rendering of their uniformly resampled version over the hemisphere of illumination and view dependent textural measurements. The resampling was done separately for elevation and azimuthal angles as well as in illumination and view space. Our results shown promising consequences for compression and modeling algorithms using this kind of massive data.

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cover image ACM Conferences
APGV '08: Proceedings of the 5th symposium on Applied perception in graphics and visualization
August 2008
209 pages
ISBN:9781595939814
DOI:10.1145/1394281
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 09 August 2008

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Author Tags

  1. BTF
  2. optimal resampling
  3. phychophysical experiment
  4. texture compression
  5. visual degradation

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  • (2013)Perceptual Validation and AnalysisVisual Texture10.1007/978-1-4471-4902-6_9(231-253)Online publication date: 2013
  • (2011)Advanced textural representation of materials appearanceSIGGRAPH Asia 2011 Courses10.1145/2077434.2077435(1-84)Online publication date: 12-Dec-2011
  • (2009)Bidirectional Texture Function ModelingIEEE Transactions on Pattern Analysis and Machine Intelligence10.1109/TPAMI.2008.24631:11(1921-1940)Online publication date: 1-Nov-2009
  • (2008)A psychophysically validated metric for bidirectional texture data reductionACM SIGGRAPH Asia 2008 papers10.1145/1457515.1409091(1-11)Online publication date: 10-Dec-2008

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