Digital Processing Of Earth Observation Images |
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Authors: | N. Tholey |
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Affiliation: | (1) Service Régional de Traitement d'Image et de Télédétection (SERTIT), Illkirch, France |
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Abstract: | Earth observation techniques provide digital images of the Earth's surface. In the field of environmental applications, image processing techniques can be used to manipulate the data, in particular to display satellite images in gray level or in a color composition, to radiometrically and geometrically preprocess the data, and to extract thematic information, by visual interpretation or by semi-automatic techniques.This paper presents some basic concepts in digital image processing and givesa general overview of the main processing methods that can be applied to derivegeographical information from Earth observation images. |
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