Computer Science – Programming Languages
Scientific paper
Sep 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979mmsai..50..515b&link_type=abstract
(Convegno sulle Metodologie di Trattamento dell'Informazione, 2nd, Trieste, Italy, Feb. 23, 24, 1979.) Società Astronomica Itali
Computer Science
Programming Languages
Astronomical Photography, Computer Techniques, Digital Data, Image Processing, Pattern Registration, Computer Graphics, Computer Programs, Data Reduction, Man Machine Systems, Programming Languages
Scientific paper
A series of structural mathematical instruments for the definition and classification of digitized astronomical images is presented. Exploratory data analysis, a set of operations carried out to obtain information regarding significant data characteristics, is discussed as it relates to structure recognition in astronomical digitized images. The interactive structural exploration programs, which are intended to be used after a data acquisition and reduction step, are based on the preliminary identification of pixels with specified radiances and the description of objects formed by those pixels based on the definition of sequences of vertices. Program output is a table of information to be represented either alphanumerically or graphically. The procedure is illustrated for the example of a galactic image.
Balestreri M.
Della Ventura A.
Fresta G.
Mussio P.
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