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Operational change detection for geographical information: Overview and challenges
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DOI：10.1016/j.jag.2026.105278.png)
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Abstract
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• Change detection can improve timeliness and reduce the cost of updating geodatabases. • Change detection methods need to be operational rather than experimental. • Change detection research should focus on developing “no-change” detection methods. • The difficulty of defining change is the main challenge in change detection. • The issues of change detection should lead to new research projects with high impact.
Keywords:
68-02
68T45
68U20
68U35
Change detection
Review
National Mapping Agency
Earth observation
Geospatial database
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