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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. 26, Iss. 6 — Jun. 1, 2009
  • pp: 1393–1402

Inverse optical imaging viewed as a backward channel communication problem

Enrico De Micheli and Giovanni Alberto Viano  »View Author Affiliations


JOSA A, Vol. 26, Issue 6, pp. 1393-1402 (2009)
http://dx.doi.org/10.1364/JOSAA.26.001393


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Abstract

The inverse problem in optics, which is closely related to the classical question of the resolving power, is reconsidered as a communication channel problem. The main result is the evaluation of the maximum number M ε of ε-distinguishable messages (ε being a bound on the noise of the image) that can be conveyed back from the image to reconstruct the object. We study the case of coherent illumination. By using the concept of Kolmogorov’s ε-capacity, we obtain M ε 2 S log ( 1 ε ) for ε 0 , where S is the Shannon number. Moreover, we show that the ε-capacity in inverse optical imaging is nearly equal to the amount of information on the object that is contained in the image. We thus compare the results obtained through the classical information theory—which is based on probability theory—with those derived from a form of topological information theory, based on the Kolmogorov ε-entropy and ε-capacity, which are concepts related to the evaluation of the massiveness of compact sets.

© 2009 Optical Society of America

OCIS Codes
(100.3190) Image processing : Inverse problems
(110.3055) Imaging systems : Information theoretical analysis

ToC Category:
Image Processing

History
Original Manuscript: February 27, 2009
Manuscript Accepted: April 6, 2009
Published: May 21, 2009

Citation
Enrico De Micheli and Giovanni Alberto Viano, "Inverse optical imaging viewed as a backward channel communication problem," J. Opt. Soc. Am. A 26, 1393-1402 (2009)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-26-6-1393


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