An efficient implementation of the algorithm 'CLEAN'

Details An efficient implementation of the algorithm 'CLEAN' An efficient implementation of the algorithm 'CLEAN'

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....89..377c&link_type=abstract

Astronomy and Astrophysics, vol. 89, no. 3, Sept. 1980, p. 377, 378.

Astronomy and Astrophysics

Astronomy

456

Algorithms, Data Processing, Image Processing, Radio Astronomy, Run Time (Computers), Astronomical Photography, Computer Techniques, Fast Fourier Transformations, Iterative Solution, Very Large Array (Vla)

Scientific paper

The presentation of radio astronomy aperture synthesis observations is greatly improved with the CLEAN algorithm (Schwartz, 1978; Hogbom, 1974) and its application is a significant part of the data processing effort of the observations. A method of convolution which selects many components and subtracts them in a single operation, rather than separately, substantially reduces the computational effort of the CLEAN algorithm. In order to describe CLEAN, the implementation of the algorithm to images produced by the Very Large Array radio telescope is briefly discussed.

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