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An accurate registration technique for distorted images (1990)

Delapena, Michele ; Shaw, Richard A. ; Dravins, Dainis ; [et al.]

In: CASI

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Publication Date: 2013-08-29

Description: Accurate registration of International Ultraviolet Explorer (IUE) images is crucial because the variability of the geometrical distortions that are introduced by the SEC-Vidicon cameras ensures that raw science images are never perfectly aligned with the Intensity Transfer Functions (ITFs) (i.e., graded floodlamp exposures that are used to linearize and normalize the camera response). A technique for precisely registering IUE images which uses a cross correlation of the fixed pattern that exists in all raw IUE images is described.

Keywords: DOCUMENTATION AND INFORMATION SCIENCE

Type: ESA, Evolution in Astrophysics: IUE Astronomy in the Era of New Space Missions; p 617-619

Format: text

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