Knox-Thompson and triple-correlation imaging through atmospheric turbulence

Details Knox-Thompson and triple-correlation imaging through atmospheric turbulence Knox-Thompson and triple-correlation imaging through atmospheric turbulence

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988josaa...5..963a&link_type=abstract

Optical Society of America, Journal, A: Optics and Image Science (ISSN 0740-3232), vol. 5, July 1988, p. 963-985.

Physics

Optics

76

Atmospheric Turbulence, Correlation Detection, Image Reconstruction, Computerized Simulation, Photons, Signal To Noise Ratios, Turbulence Effects

Scientific paper

A comparative study is made of the Knox-Thompson and triple-correlation techniques as applied to image restoration. Both photon-noise-degraded imaging and atmospheric-turbulence-degraded imaging are considered. The signal-to-noise ratios of the methods are studied analytically and with the aid of computer simulations. The ability to retain diffraction-limited information on imaging through turbulence is considered in terms of phase-closure relationships. On the basis of this work it is found that the two image-restoration techniques are effectively equivalent.

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