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Comparison of centroid computation algorithms in a Shack–Hartmann sensor

✍ Scribed by S. Thomas; T. Fusco; A. Tokovinin; M. Nicolle; V. Michau; G. Rousset

Book ID
110840987
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
457 KB
Volume
371
Category
Article
ISSN
0035-8711

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The accuracy of the Shack-Hartmann wavefront sensor for measuring the wavefront distortion is mainly dependent upon the measuring accuracy of the centroid of each spot. A modified center detection algorithm, which uses some power from the photon events of each pixel instead of photon events themselv