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Extended scene SH wavefront sensor algorithm: minimization of scene content dependent shift estimation errors

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dc.contributor.author Sidick, Erkin
dc.date.accessioned 2015-03-18T21:37:30Z
dc.date.available 2015-03-18T21:37:30Z
dc.date.issued 2012-03-03
dc.identifier.citation 2012 IEEE Aerospace Conference, Big Sky, Montana, March 3-10, 2012 en_US
dc.identifier.clearanceno 11-4958
dc.identifier.uri http://hdl.handle.net/2014/45021
dc.description.abstract Adaptive Periodic-Correlation (APC) algorithm was developed for use in extended-scene Shack-Hartmann wavefront sensors. It provides high-accuracy even when the sub-images in a frame captured by a Shack-Hartmann camera are not only shifted but also distorted relative to each other. Recently we found that the shift-estimate error of the APC algorithm has a component that depends on the content of extended-scene. In this paper we assess the amount of that error and propose a method to minimize it. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012 en_US
dc.title Extended scene SH wavefront sensor algorithm: minimization of scene content dependent shift estimation errors en_US
dc.type Preprint en_US


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