Techniques for bidimensional filtering of astronomical images

Details Techniques for bidimensional filtering of astronomical images Techniques for bidimensional filtering of astronomical images

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978mmsai..49..753p&link_type=abstract

(Consiglio Nazionale delle Ricerche, Convegno sulle Metodologie di Trattamento dell'Informazione, Trieste, Nov. 24, 25, 1977 and

Astronomy and Astrophysics

Astronomy

Astronomical Photography, Digital Filters, Fourier Transformation, Imaging Techniques, Lunar Surface, Spiral Galaxies

Scientific paper

Results of bidimensional numerical filtering of astronomical imagery are reported; the bidimensional Fourier filtering techniques are applied to both reproduction and enhancement problems. An application of bidimensional numerical filtering to imagery of the M51 Galaxy yields an improvement in the signal-to-noise ratio. Filtering to enhance an axisymmetric visualization of the lunar surface is also reported.

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