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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 22, Iss. 22 — Nov. 15, 1983
  • pp: 3549–3554

Restoration of bilinearly distorted images. 3: Constrained least-squares method

M. Rabbani and B. E. A. Saleh  »View Author Affiliations


Applied Optics, Vol. 22, Issue 22, pp. 3549-3554 (1983)
http://dx.doi.org/10.1364/AO.22.003549


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Abstract

A constrained least-squares solution based on a second difference smoothing measure is obtained for images which are distorted by a bilinear (quadratic and with nonzero memory) system in the presence of additive signal-independent noise. Results are applied to a partially coherent diffraction-limited imaging system. It is found that the optimum weight given to the smoothness factor is larger for a coherent (nonlinear) system than for an incoherent (linear) system. However, the restoration quality improves as the imaging system approaches incoherence.

© 1983 Optical Society of America

History
Original Manuscript: July 5, 1983
Published: November 15, 1983

Citation
M. Rabbani and B. E. A. Saleh, "Restoration of bilinearly distorted images. 3: Constrained least-squares method," Appl. Opt. 22, 3549-3554 (1983)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-22-22-3549

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