A simple maximum entropy deconvolution algorithm

Details A simple maximum entropy deconvolution algorithm A simple maximum entropy deconvolution algorithm

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26a...143...77c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 143, no. 1, Feb. 1985, p. 77-83.

Astronomy and Astrophysics

Astronomy

127

Algorithms, Convolution Integrals, Image Processing, Maximum Entropy Method, Newton-Raphson Method, Radio Astronomy, Entropy (Statistics), Fourier Transformation, Image Reconstruction, Lagrange Multipliers, Nonlinearity, Radio Interferometers, Very Long Base Interferometry

Scientific paper

A simple maximum entropy image deconvolution algorithm, now implemented in the Astronomical Image Processing System AIPS as task VM, is described. VM uses a simple Newton-Raphson approach to optimise the relative entropy of the image subject to constraints upon the rms error and total power enforced by Lagrange multipliers. Some examples of the application of VM to VLA data are given.

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