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Prediction of Viking lander camera image quality

Author
Huck, F. O.
Published
Apr 1, 1976.
Physical Description
1 electronic document
Additional Creators
Jobson, D. J., Wall, S. D., and Burcher, E. E.
Online Version

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Unclassified, Unlimited, Publicly available.
Free-to-read Unrestricted online access
Summary
Formulations are presented that permit prediction of image quality as a function of camera performance, surface radiance properties, and lighting and viewing geometry. Predictions made for a wide range of surface radiance properties reveal that image quality depends strongly on proper camera dynamic range command and on favorable lighting and viewing geometry. Proper camera dynamic range commands depend mostly on the surface albedo that will be encountered. Favorable lighting and viewing geometries depend mostly on lander orientation with respect to the diurnal sun path over the landing site, and tend to be independent of surface albedo and illumination scattering function. Side lighting with low sun elevation angles (10 to 30 deg) is generally favorable for imaging spatial details and slopes, whereas high sun elevation angles are favorable for measuring spectral reflectances.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 19760015424.
Accession ID: 76N22512.
L-10626.
NASA-TN-D-8148.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15736104