Image quality prediction - An aid to the Viking lander imaging investigation on Mars

Details Image quality prediction - An aid to the Viking lander imaging investigation on Mars Image quality prediction - An aid to the Viking lander imaging investigation on Mars

Jul 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apopt..15.1748h&link_type=abstract

Applied Optics, vol. 15, July 1976, p. 1748-1766.

Computer Science

Performance

3

Mars Landing, Multispectral Photography, Panoramic Cameras, Performance Prediction, Viking Lander Spacecraft, Viking Mars Program, Imaging Techniques, Instrument Errors, Landing Sites, Remote Control, Resolution

Scientific paper

Image quality criteria and image quality predictions are formulated for the multispectral panoramic cameras carried by the Viking Mars landers. Image quality predictions are based on expected camera performance, Mars surface radiance, and lighting and viewing geometry (fields of view, Mars lander shadows, solar day-night alternation), and are needed in diagnosis of camera performance, in arriving at a preflight imaging strategy, and revision of that strategy should the need arise. Landing considerations, camera control instructions, camera control logic, aspects of the imaging process (spectral response, spatial response, sensitivity), and likely problems are discussed. Major concerns include: degradation of camera response by isotope radiation, uncertainties in lighting and viewing geometry and in landing site local topography, contamination of camera window by dust abrasion, and initial errors in assigning camera dynamic ranges (gains and offsets).

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