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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. 18, Iss. 9 — Sep. 1, 2001
  • pp: 2204–2208

Computational modeling of non-Fourier motion: further evidence for a single luminance-based mechanism

Christopher P. Benton, Alan Johnston, Peter W. McOwan, and Jonathan D. Victor  »View Author Affiliations


JOSA A, Vol. 18, Issue 9, pp. 2204-2208 (2001)
http://dx.doi.org/10.1364/JOSAA.18.002204


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Abstract

It is generally assumed that the perception of non-Fourier motion requires the operation of some nonlinearity before motion analysis. We apply a computational model of biological motion processing to a class of non-Fourier motion stimuli designed to investigate nonlinearity in human visual processing. The model correctly detects direction of motion in these non-Fourier stimuli without recourse to any preprocessing nonlinearity. This demonstrates that the non-Fourier motion in some non-Fourier stimuli is directly available to luminance-based motion mechanisms operating on measurements of local spatial and temporal gradients.

© 2001 Optical Society of America

OCIS Codes
(000.1430) General : Biology and medicine
(000.4920) General : Other life sciences

History
Original Manuscript: November 27, 2000
Revised Manuscript: March 5, 2001
Manuscript Accepted: March 5, 2001
Published: September 1, 2001

Citation
Christopher P. Benton, Alan Johnston, Peter W. McOwan, and Jonathan D. Victor, "Computational modeling of non-Fourier motion: further evidence for a single luminance-based mechanism," J. Opt. Soc. Am. A 18, 2204-2208 (2001)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-18-9-2204

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