Information content in astronomical images

Details Information content in astronomical images Information content in astronomical images

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.162..159g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 162, no. 1, Dec. 1989, p. 159-161.

Astronomy and Astrophysics

Astrophysics

1

Astronomical Spectroscopy, Image Processing, Brightness Distribution, Delta Function, Dirac Equation, Frequency Response, Signal To Noise Ratios, Stellar Luminosity

Scientific paper

The performance of optical imaging systems is limited by the signal-to-noise ratios and statistical characteristics of the imaging channel according to O'Neill (1963). In this context, a statistical model for astronomical images is defined and its Shannon information content evaluated in terms of the imaging parameters and the object and noise statistics.

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