Change Detection

change detection - [remote sensing] A process that measures how the attributes of a particular area have changed between two or more time periods. Change detection often involves comparing aerial photographs or satellite imagery of the area taken at different times. The process is most frequently associated with environmental monitoring, natural resource management, or measuring urban development.

[Category=Geospatial ]

Source: esri, 16 February 2012 08:41:52, http://support.esri.com/en/knowledgebase/GISDictionary/term/abbreviation