Centroid estimation from undersampled wavefront sensing data

W-Y. V. Leung; R.G. Lane; M. Talion

doi:10.1364/SRS.2001.SWA4

Signal Recovery and Synthesis
2001 OSA Technical Digest Series (Optica Publishing Group, 2001),
paper SWA4
•https://doi.org/10.1364/SRS.2001.SWA4

Centroid estimation from undersampled wavefront sensing data

W-Y. V. Leung, R.G. Lane, and M. Talion

Signal Recovery and Synthesis 2001

Albuquerque, New Mexico United States
ISBN: 1-55752-690-7

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Wavefront Sensing (SWA)

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W. V. Leung, R. G. Lane, and M. Talion, "Centroid estimation from undersampled wavefront sensing data," in Signal Recovery and Synthesis, 2001 OSA Technical Digest Series (Optica Publishing Group, 2001), paper SWA4.

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Abstract

Wavefront sensing using a Shack-Hartrnann sensor relies on the accuracy of the centroid estimation. The traditional process however suffers from several problems. A modelfitting procedure is shown to have superior performance.

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