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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 20, Iss. 13 — Jul. 1, 1981
  • pp: 2266–2274

Circular harmonic image reconstruction: experiments

Eric W. Hansen  »View Author Affiliations


Applied Optics, Vol. 20, Issue 13, pp. 2266-2274 (1981)
http://dx.doi.org/10.1364/AO.20.002266


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Abstract

A method of image reconstruction from projections is described which processes the data in polar rather than rectangular coordinates and which does not require back projection. It is based on the decomposition of the object and its shadow (set of projections) into circular harmonics or radial modulators of angular Fourier components. The radial modulators of the object may be reconstructed from those of the shadow using a space-variant system which becomes space-invariant under a coordinate transformation. Experiments using digital and optical implementations are described.

© 1981 Optical Society of America

History
Original Manuscript: October 23, 1980
Published: July 1, 1981

Citation
Eric W. Hansen, "Circular harmonic image reconstruction: experiments," Appl. Opt. 20, 2266-2274 (1981)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-20-13-2266

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