Change detection (GIS)
From Infogalactic: the planetary knowledge core
Change detection for GIS (geographical information systems) is 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. Change detection has been widely used to assess shifting cultivation, deforestation, urban growth, impact of natural disasters like Tsunamis, earthquakes and use/land cover changes etc..[1][2]
See also
References
- ↑ Wade, T. and Sommer, S. eds. A to Z GIS
- ↑ Priyanka Khandelwal, Krishna Kant Singh, B.K. Singh, Akansha Mehrotra "Unsupervised Change Detection of Multispectral Images using Wavelet Fusion and Kohonen Clustering Network." International Journal of Engineering and Technology (2013).[1]
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