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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 16, Iss. 7 — Jul. 1, 1999
  • pp: 1549–1553

Higher-order structure in natural scenes

Mitchell G. A. Thomson  »View Author Affiliations


JOSA A, Vol. 16, Issue 7, pp. 1549-1553 (1999)
http://dx.doi.org/10.1364/JOSAA.16.001549


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Abstract

Real-world visual scenes display consistent first- and second-order statistical regularities to which visual neural representations may be perceptually matched, but these lower-order regularities stem from constraints on image power spectra, which appear to carry much less perceptual information than image phase spectra. Natural scenes are shown also to display consistent higher-order statistical regularities, and an analysis of these regularities in terms of fourth-order spectra shows that they are strongly dependent on spatial frequency. These findings have important consequences for the design of a visual system that aims to maximize sparseness in neural representations.

© 1999 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(110.2960) Imaging systems : Image analysis
(330.4060) Vision, color, and visual optics : Vision modeling
(330.6110) Vision, color, and visual optics : Spatial filtering

History
Original Manuscript: November 5, 1998
Revised Manuscript: March 11, 1999
Manuscript Accepted: March 11, 1999
Published: July 1, 1999

Citation
Mitchell G. A. Thomson, "Higher-order structure in natural scenes," J. Opt. Soc. Am. A 16, 1549-1553 (1999)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-16-7-1549


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References

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