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Parallel processing of solar image restoration with phase diversity technique
Author(s): Takahiro Suzuki; Noriaki Miura; Susumu Kuwamura; Shin Oya; Satoru Ueno; Yoshikazu Nakatani; Kiyoshi Ichimoto
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Paper Abstract

We aim at improving solar images partially compensated by Adaptive Optics (AO) or Ground-Layer (GL) AO using a phase diversity (PD) method. To reduce computational time in the PD execution, we develop a computer cluster system that enables restoration of several images in parallel. We set a PD-observational system downstream of an AO system in the Hida Observatory in Japan. Driving the AO system, we recorded focused and defocused solar images. They were segmented to partial images, and then were restored by the PD method. We show the results of solar image restoration, and also demonstrate the reduction of processing time by the computer cluster.

Paper Details

Date Published: 11 July 2018
PDF: 7 pages
Proc. SPIE 10703, Adaptive Optics Systems VI, 1070332 (11 July 2018); doi: 10.1117/12.2312005
Show Author Affiliations
Takahiro Suzuki, Kitami Institute of Technology (Japan)
Noriaki Miura, Kitami Institute of Technology (Japan)
Susumu Kuwamura, Kitami Institute of Technology (Japan)
Shin Oya, National Astronomical Observatory of Japan (Japan)
Satoru Ueno, Kyoto Univ. Hida Observatory (Japan)
Yoshikazu Nakatani, Kyoto Univ. Hida Observatory (Japan)
Kiyoshi Ichimoto, Kyoto Univ. Hida Observatory (Japan)


Published in SPIE Proceedings Vol. 10703:
Adaptive Optics Systems VI
Laird M. Close; Laura Schreiber; Dirk Schmidt, Editor(s)

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