Erschienen in:

1993 | OriginalPaper | Buchkapitel

Sources and Characteristics of Remote Sensing Image Data

verfasst von : John A. Richards

Erschienen in: Remote Sensing Digital Image Analysis

Verlag: Springer Berlin Heidelberg

Enthalten in: Professional Book Archive

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Remote sensing image data of the earth’s surface acquired from either aircraft or spacecraft platforms is readily available in digital format; spatially the data is composed of discrete picture elements, or pixels, and radiometrically it is quantised into discrete brightness levels. Even data that is not recorded in digital form initially can be converted into discrete data by use of digitising equipment such as scanning microdensitometers.

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