In
geographic information system
A geographic information system (GIS) is a type of database containing geographic data (that is, descriptions of phenomena for which location is relevant), combined with software tools for managing, analyzing, and visualizing those data. In a ...
(GIS), change detection is a process that measures how the
attributes
Attribute may refer to:
* Attribute (philosophy), an extrinsic property of an object
* Attribute (research), a characteristic of an object
* Grammatical modifier, in natural languages
* Attribute (computing), a specification that defines a pro ...
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. Change detection has been widely used to assess shifting cultivation,
deforestation
Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then land conversion, converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban area, urban ...
, urban growth, impact of natural disasters like tsunamis, earthquakes, and use/land cover changes etc.
[Wade, T. and Sommer, S. eds. ]
A to Z GIS
'
See also
*
3D structure change detection 3D Structure Change Detection is a type of Change detection (GIS) processes for GIS (geographical information systems). It is a process that measures how the volume of a particular area have changed between two or more time periods. A high-spatial ...
*
Spatial analysis
Spatial analysis or spatial statistics includes any of the formal techniques
Technique or techniques may refer to:
Music
* The Techniques, a Jamaican rocksteady vocal group of the 1960s
*Technique (band), a British female synth pop band in the ...
References
Geographic information systems
Change detection
{{Map-stub