Adaptive cross-correlation algorithm for extended scene Shack-Hartmann wavefront sensing |
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| Authors: | Sidick Erkin Green Joseph J Morgan Rhonda M Ohara Catherine M Redding David C |
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| Affiliation: | Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA. erkin.sidick@jpl.nasa.gov |
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| Abstract: | We present an adaptive cross-correlation algorithm for a large dynamic range extended-scene Shack-Hartmann wavefront sensor. We show that it accurately measures very fine image shifts over many pixels under a variety of practical imaging conditions. |
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