Image Algebra change detection

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-{{TutorialNavigator}}{{Content Tree|HEADER=QGIS Tutorial|NAME=QGIS tutorial}}
-A simple way to identify changes between two images which are correctly georeferenced and calibrated is computing a pixel-to-pixel difference or ratio.
-{{exercise|message=Exercise 54|text=}}
-==Related articles==
-* [[Multitemporal color composites]]
-* [[Principal components]]
-[[category: Change detection]]

Latest revision as of 11:46, 17 September 2014