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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 23 — Dec. 1, 1981
  • pp: 4089–4093

Restoration of partially coherent images by use of a second-degree nonlinear filter

Bahaa E. A. Saleh and Soheil I. Sayegh  »View Author Affiliations


Applied Optics, Vol. 20, Issue 23, pp. 4089-4093 (1981)
http://dx.doi.org/10.1364/AO.20.004089


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Abstract

A partially coherent imaging system distorts images nonlinearly. We investigate the restoration of such images by use of a second-degree nonlinear filter which is optimum for low-contrast images. The performance of this filter is shown to be better than that of a linear inverse filter, especially as the imaging becomes more coherent.

© 1981 Optical Society of America

History
Original Manuscript: August 8, 1981
Published: December 1, 1981

Citation
Bahaa E. A. Saleh and Soheil I. Sayegh, "Restoration of partially coherent images by use of a second-degree nonlinear filter," Appl. Opt. 20, 4089-4093 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-23-4089

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