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Proceedings Paper

Image reconstruction by spatio-temporal coherence transfer
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Paper Abstract

Various schemes have been investigated that facilitate the imaging of objects viewed through time-varying scattering elements such as the atmosphere. Analyses we have performed in connection with enhanced-backscatter imaging and a particular class of superresolving imaging systems have led to a general principle that describes the transfer of the coherence properties of a wavefield that passes twice (double-passage) through a dynamic scatterer. Restoration of the coherence properties of the wave allow the formation of images with light that has been doubly scattered. Analyses are presented for the enhanced-backscatter, superresolution, and general case, and brief remarks presented regarding the possible application of the principle to remote image formation through the turbulent atmospheric.

Paper Details

Date Published: 22 January 2002
PDF: 6 pages
Proc. SPIE 4489, Free-Space Laser Communication and Laser Imaging, (22 January 2002); doi: 10.1117/12.453242
Show Author Affiliations
Gisele Welch, Georgia Institute of Technology (United States)
William T. Rhodes, Georgia Tech Lorraine (France)

Published in SPIE Proceedings Vol. 4489:
Free-Space Laser Communication and Laser Imaging
David G. Voelz; Jennifer C. Ricklin, Editor(s)

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