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Conference Paper
Signal Recovery and Synthesis
Vancouver Canada
June 18, 2007
ISBN: 1-55752-838-1
Wavefront Reconstruction and Phase Diversity (JTuA)

An Adaptive Cross-Correlation Algorithm for Extended Scene Shack-Hartmann Wavefront Sensing

Erkin Sidick, Joseph J. Green, Catherine M. Ohara, and David C. Redding


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We present an adaptive cross-correlation algorithm for large dynamic range extended-scene Shack-Hartmann wavefront sensing. We show that it accurately measures very fine image shifts over many pixels under a variety of practical imaging conditions.

© 2007 OSA

OCIS Codes
(100.0100) Image processing : Image processing
(100.5070) Image processing : Phase retrieval
(110.0110) Imaging systems : Imaging systems
(110.6770) Imaging systems : Telescopes

E. Sidick, J. J. Green, C. M. Ohara, and D. C. Redding, " An Adaptive Cross-Correlation Algorithm for Extended Scene Shack-Hartmann Wavefront Sensing," in Adaptive Optics: Analysis and Methods/Computational Optical Sensing and Imaging/Information Photonics/Signal Recovery and Synthesis Topical Meetings on CD-ROM, OSA Technical Digest (CD) (Optical Society of America, 2007), paper JTuA7.

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