Adaptive correction of phase-distorted extended-source images

Details Adaptive correction of phase-distorted extended-source images Adaptive correction of phase-distorted extended-source images

Oct 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996spie.2828..293c&link_type=abstract

Proc. SPIE Vol. 2828, p. 293-300, Image Propagation through the Atmosphere, J. C. Dainty; Luc R. Bissonnette; Eds.

Computer Science

Scientific paper

An experimental model of an adaptive imaging system for compensation of large-scale phase distortions under conditions of strongly anisoplanatic imaging is studied. We investigate adaptive compensation of phase-distorted extended source images using new types of image quality criteria. These image quality criteria are dependent on the Fourier spectrum of the image, and can be obtained using a coherent optical system. For adaptive control of a ten electrode continuously deformable bimorph mirror, simple gradient algorithms for image quality criteria were applied. We experimentally demonstrate the efficiency of large-scale phase distortion compensation for extended and complex targets.

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