Deconvolution by maximum entropy, as illustrated by application to the jet of M87

Details Deconvolution by maximum entropy, as illustrated by application to the jet of M87 Deconvolution by maximum entropy, as illustrated by application to the jet of M87

Apr 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980mnras.191...69b&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 191, Apr. 1980, p. 69-79. Research supported by the Science Research Co

Mathematics

Probability

44

Astronomical Photography, Elliptical Galaxies, Entropy, Galactic Nuclei, Image Resolution, Statistical Analysis, Image Processing, Noise Reduction, Plasma Jets, Probability Density Functions, Statistical Tests

Scientific paper

An improved method of deconvolving blurred and noisy data, appropriate for pictures of the sky taken with astronomical telescopes, is presented. The maximum entropy criterion gives the smoothest possible structure of the sky consistent with the observed image. The improvement lies in the consistency test; the noise is forced to have its correct statistical distribution. This provides greater resolution and more accurate fitting. The method is illustrated by deconvolving an optical photograph of the nuclear regions of M 87.

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