Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1975
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975jgr....80.2394s&link_type=abstract
Journal of Geophysical Research, vol. 80, June 10, 1975, p. 2394-2414.
Astronomy and Astrophysics
Astronomy
4
Data Processing, Digital Spacecraft Television, Mariner Venus-Mercury 1973, Mercury (Planet), Planetary Mapping, Spaceborne Photography, Astronomical Photography, Computer Techniques, High Pass Filters, Imaging Techniques, Morphology, Mosaics, Transfer Functions
Scientific paper
This paper describes the digital processing performed on the images of Mercury returned to earth from Mariner 10. Each image contains considerably more information than can be displayed in a single picture. Several specialized processing techniques and procedures are utilized to display the particular information desired for specific scientific analyses: radiometric decalibration for photometric investigations, high-pass filtering to characterize morphology, modulation transfer function restoration to provide the highest possible resolution, scene-dependent filtering of the terminator images to provide maximum feature discriminability in the regions of low illumination, and rectification to cartographic projections to provide known geometric relationships between features. A principal task was the construction of full disk mosaics as an aid to the understanding of surface structure on a global scale.
Benton W. D.
Dewar R. E.
Elliott Denis A.
Lorre Jean J.
Lynn D. J.
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