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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 7, Iss. 7 — Jun. 25, 2012

Estimation of the ocular point spread function by retina modeling

N. Meitav and E. N. Ribak  »View Author Affiliations


Optics Letters, Vol. 37, Issue 9, pp. 1466-1468 (2012)
http://dx.doi.org/10.1364/OL.37.001466


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Abstract

Retinal imaging often suffers from blurring aberrations. With knowledge of the blurring point spread function (PSF), better images can be reconstructed by deconvolution techniques. We demonstrate a method to enhance the contrast of retinal cells by estimating the ocular PSF. This is done by finding the cells’ positions and their intensity distributions and using these as a model for the image. The feasibility of this method is demonstrated by Wiener deconvolution both for adaptively and nonadaptively corrected images.

© 2012 Optical Society of America

OCIS Codes
(100.1830) Image processing : Deconvolution
(330.5310) Vision, color, and visual optics : Vision - photoreceptors
(330.6100) Vision, color, and visual optics : Spatial discrimination

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: February 3, 2012
Revised Manuscript: March 2, 2012
Manuscript Accepted: March 2, 2012
Published: April 24, 2012

Virtual Issues
Vol. 7, Iss. 7 Virtual Journal for Biomedical Optics

Citation
N. Meitav and E. N. Ribak, "Estimation of the ocular point spread function by retina modeling," Opt. Lett. 37, 1466-1468 (2012)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-37-9-1466

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