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  • 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) (Optica Publishing Group, 2007),
  • paper PMA2
  • •https://doi.org/10.1364/AOPT.2007.PMA2

A Fract al Iterative Method for Fast Wavefront Reconstruction for Extremely Large Telescopes

M. Tallon, E. Thiébaut, and C. Béchet

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Abstract

We introduce FrIM, a novel fast iterative minimum variance algorithm for wavefront reconstruction. Its computation load scales as O(N) only. Kolmogorov priors are computed with a multiscale algorithm, and an effective preconditioning speeds-up the convergence.

© 2007 Optical Society of America

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