Computer image processing - The Viking experience

Details Computer image processing - The Viking experience Computer image processing - The Viking experience

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977stia...7839194g&link_type=abstract

IEEE Transactions on Consumer Electronics, vol. CE-23, Aug. 1977, p. 281-299.

Computer Science

Computer Techniques, Digital Systems, High Pass Filters, Image Enhancement, Image Processing, Viking Mars Program, Algorithms, Color Photography, Digital Filters, Facsimile Communication, Image Contrast, Optimization, Signal Distortion, Viking Lander Spacecraft

Scientific paper

Computer processing of digital imagery from the Viking mission to Mars is discussed, with attention given to subjective enhancement and quantitative processing. Contrast stretching and high-pass filtering techniques of subjective enhancement are described; algorithms developed to determine optimal stretch and filtering parameters are also mentioned. In addition, geometric transformations to rectify the distortion of shapes in the field of view and to alter the apparent viewpoint of the image are considered. Perhaps the most difficult problem in quantitative processing of Viking imagery was the production of accurate color representations of Orbiter and Lander camera images.

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