Modeling crater topography and albedo from monoscopic Viking Orbiter images. I - Methodology

Details Modeling crater topography and albedo from monoscopic Viking Orbiter images. I - Methodology Modeling crater topography and albedo from monoscopic Viking Orbiter images. I - Methodology

Oct 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.9449d&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 89, Oct. 10, 1984, p. 9449-9457.

Statistics

Methodology

65

Albedo, Craters, Planetary Surfaces, Topography, Brightness, Geometric Rectification (Imagery), Iteration, Photographic Recording, Viking Orbiter Spacecraft, Mars, Models, Craters, Topography, Albedo, Viking Missions, Orbiters, Imagery, Procedure, Photoclinometry, Techniques, Brightness, Features, Comparisons, Surface, Analysis

Scientific paper

The methodology for a new photoclinometric technique for extracting topographic data from planetary images is described. The technique fully compensates for oblique viewing geometry prevalent in many spacecraft images. Brightness data are taken from a pair of profiles simultaneously, overcoming the problem of albedo variations in the application of photoclinometry to planetary surfaces. An additional procedure is described for eliminating the requirement of topographic symmetry along a pair of profiles. Test results show that both procedures have an accuracy of about two degrees for slopes of typical bowl-shaped craters, or about 5 percent for depths.

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