Adaptive optics images restoration based on frame selection and multi-framd blind deconvolution

Details Adaptive optics images restoration based on frame selection and multi-framd blind deconvolution Adaptive optics images restoration based on frame selection and multi-framd blind deconvolution

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008acasn..49..456t&link_type=abstract

Acta Astronomica Sinica, vol. 49, no. 4, p.456-462

Physics

Optics

Techniques: Image Processing, Instrumentation: Adaptive Optics

Scientific paper

The adaptive optics can only partially compensate the image blurred by atmospheric turbulent due to the observing condition and hardware restriction. A post-processing method based on frame selection and multi-frame blind deconvolution to improve images partially corrected by adaptive optics is proposed. The appropriate frames which are picked out by frame selection technique is deconvolved. There is no priori knowledge except the positive constraint. The method has been applied in the image restoration of celestial bodies which were observed by 1.2m telescope equipped with 61-element adaptive optical system in Yunnan Observatory. The results showed that the method can effectively improve the images partially corrected by adaptive optics.

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