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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

  • Editor: Stephen A. Burns
  • Vol. 23, Iss. 12 — Dec. 1, 2006
  • pp: 3080–3105

Objective assessment of image quality. IV. Application to adaptive optics

Harrison H. Barrett, Kyle J. Myers, Nicholas Devaney, and Christopher Dainty  »View Author Affiliations


JOSA A, Vol. 23, Issue 12, pp. 3080-3105 (2006)
http://dx.doi.org/10.1364/JOSAA.23.003080


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Abstract

The methodology of objective assessment, which defines image quality in terms of the performance of specific observers on specific tasks of interest, is extended to temporal sequences of images with random point spread functions and applied to adaptive imaging in astronomy. The tasks considered include both detection and estimation, and the observers are the optimal linear discriminant (Hotelling observer) and the optimal linear estimator (Wiener). A general theory of first- and second-order spatiotemporal statistics in adaptive optics is developed. It is shown that the covariance matrix can be rigorously decomposed into three terms representing the effect of measurement noise, random point spread function, and random nature of the astronomical scene. Figures of merit are developed, and computational methods are discussed.

© 2006 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.7350) Atmospheric and oceanic optics : Wave-front sensing
(110.0110) Imaging systems : Imaging systems
(110.3000) Imaging systems : Image quality assessment
(110.4280) Imaging systems : Noise in imaging systems

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: November 14, 2005
Revised Manuscript: March 22, 2006
Manuscript Accepted: June 23, 2006

Citation
Harrison H. Barrett, Kyle J. Myers, Nicholas Devaney, and Christopher Dainty, "Objective assessment of image quality. IV. Application to adaptive optics," J. Opt. Soc. Am. A 23, 3080-3105 (2006)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-23-12-3080

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