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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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References

  1. B. E. A. Saleh, Opt. Acta 26, 777 (1979). [CrossRef]
  2. R. K. Raney, J. Opt. Soc. Am. 59, 1149 (1969). [CrossRef]
  3. B. E. A. Saleh, Opt. Commun. 10, 247 (1974). [CrossRef]
  4. B. E. A. Saleh, Opt. Commun. 27, 13 (1978). [CrossRef]
  5. B. E. A. Saleh, W. C. Goeke, J. Opt. Soc. Am. 70, 506 (1980). [CrossRef]
  6. B. E. A. Saleh, Appl. Opt. 19, 3646 (1980). [CrossRef] [PubMed]
  7. B. E. A. Saleh, M. Rabbani, “Bilinear Transformation in Optics. IV: Bayesian Restoration,” U. Wisconsin, Technical Report ECE-80-40 (1980).
  8. M. Schetzen, IEEE Trans. Circuits Syst. CS-23, 285 (1976). [CrossRef]
  9. M. Schetzen, The Volterra and Wiener Theories of Nonlinear Systems (Wiley, New York, 1980).
  10. G. W. Stroke, M. Halioua, Optik 35, 489 (1972).
  11. B. E. A. Saleh, Appl. Opt. 17, 3408 (1978). [CrossRef] [PubMed]
  12. B. E. A. Saleh, “Bilinear Transformations in Optical Signal Processing,” in Transformations in Optical Signal Processing, W. T. Rhodes, J. Fienup, B. E. A. Saleh, Eds., SPIE Advanced Institute Series, (SPIE, in press 1982).

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