Fast maximum entropy restoration of low-noise solar images.

Details Fast maximum entropy restoration of low-noise solar images. Fast maximum entropy restoration of low-noise solar images.

Aug 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997a%26a...324..735a&link_type=abstract

Astronomy and Astrophysics, v.324, p.735-742

Astronomy and Astrophysics

Astrophysics

1

Techniques: Image Processing, Methods: Numerical, Sun: General

Scientific paper

Maximum Entropy (ME) deconvolution has become a widely used approach for image restoration. Although it has many attractive features, its computational burden is considerably larger than for competing linear inversion techniques. The present work accelerates ME restoration by using linear techniques within the ME framework and proposes a simple and fast algorithm which is applicable to low-noise (<3%) images. The algorithm is tested in numerical simulations, compared to well-known algorithms and applied to solar radio maps obtained by a scanning antenna.

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