Definition: Remote sensing

UN - Geographic Information Systems

The process of acquiring information about an object from the distance; i.e., without physical contact. Remote sensing usually refers to image acquisition by means of satellite sensors or aerial photography.
Source:
United Nations, "Handbook on Geospatial Infrastructure in Support of Census Activities", Department of Economic and Social Affairs, Statistics Division, Studies in Methods, Series F No. 103, New York, 2009
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