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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. 15, Iss. 1 — Jan. 1, 1998
  • pp: 16–22

Estimation of errors in luminance signals encoded by primate retina resulting from sampling of natural images with red and green cones

D. Osorio, D. L. Ruderman, and T. W. Cronin  »View Author Affiliations


JOSA A, Vol. 15, Issue 1, pp. 16-22 (1998)
http://dx.doi.org/10.1364/JOSAA.15.000016


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Abstract

Both long-wavelength-sensitive (L) and medium-wavelength-sensitive (M) cones contribute to luminance mechanisms in human vision. This means that luminance and chromatic signals may be confounded. We use power spectra from natural images to estimate the magnitude of the corruption of luminance signals encoded by an array of retinal ganglion cells resembling the primate magnocellular neurons. The magnitude of this corruption is dependent on the cone lattice and is most severe where cones form clumps of a single spectral type. We find that chromatic corruption may equal or exceed the amplitude of other sources of noise and so could impose constraints on visual performance and on eye design.

© 1998 Optical Society of America

OCIS Codes
(100.2960) Image processing : Image analysis
(110.4280) Imaging systems : Noise in imaging systems
(330.1720) Vision, color, and visual optics : Color vision
(330.5310) Vision, color, and visual optics : Vision - photoreceptors
(330.6100) Vision, color, and visual optics : Spatial discrimination

History
Original Manuscript: November 26, 1996
Revised Manuscript: July 30, 1997
Manuscript Accepted: July 2, 1997
Published: January 1, 1998

Citation
D. Osorio, D. L. Ruderman, and T. W. Cronin, "Estimation of errors in luminance signals encoded by primate retina resulting from sampling of natural images with red and green cones," J. Opt. Soc. Am. A 15, 16-22 (1998)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-15-1-16

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