Image processing on VEGA pictures

Details Image processing on VEGA pictures Image processing on VEGA pictures

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987esasp.278..689a&link_type=abstract

In ESA, Proceedings of the International Symposium on the Diversity and Similarity of Comets p 689-694 (SEE N88-21884 14-91)

Computer Science

1

Halley'S Comet, Image Processing, Satellite Imagery, Satellite Television, Vega Project, Fourier Analysis, Image Filters, Noise Reduction, Signal To Noise Ratios

Scientific paper

Noise reduction in raw TV images of Comet Halley received from VEGA 1 and 2 is described. The periodic components of the noise are first eliminated by two dimensional Fourier filtering. Then the contrast of the filtered images is locally enhanced to detect with no ambiguity the limb of the sunlit nucleus and structures in the coma images obtained far from the nucleus.

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