Geometrical rectification of spin-scan images from Pioneer 11

Details Geometrical rectification of spin-scan images from Pioneer 11 Geometrical rectification of spin-scan images from Pioneer 11

Jan 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..249...47s&link_type=abstract

In: Advances in image transmission II; Proceedings of the Seminar, San Diego, CA, July 31, August 1, 1980. (A81-39553 18-35) Bel

Computer Science

Geometric Rectification (Imagery), Image Processing, Image Reconstruction, Pioneer 11 Space Probe, Planetary Mapping, Spaceborne Photography, Computer Techniques, Data Sampling, Optical Scanners, Polynomials, Saturn (Planet), Spatial Distribution

Scientific paper

Images of Saturn received from Pioneer 11 suffer from geometrical distortions due to the curvilinear scan lines and the unequal sampling intervals in orthogonal directions, which are inherent in spin-scan imaging. In this paper geometrical image rectification by polynomial transformation based on control points is discussed. Factors that affect the accuracy of reconstruction are shown to include the spatial distribution and spatial density of control points, and the order of the polynomial distortion model. A computer implementation of the technique is described.

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