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Change detection

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Definition Edit

U.S. Census Bureau Edit

Change detection is

is the practice of using digital imagery and other data to identify, represent, and geographically position new roads and structures.[1]

General Edit

Change detection is

an image enhancement technique that compares two images of the same area from different time periods. Identical picture elements are eliminated, leaving signatures that have undergone change.[2]

References Edit

  1. 2020 Census: Census Bureau Can Improve Use of Leading Practices When Choosing Address and Mapping Sources, at 4 n.c.
  2. U.S. Joint Chiefs of Staff, Joint Pub. 2-03: Geospatial Intelligence Support to Joint Operations, Glossary, at GL-5 (Mar. 22, 2007) (full-text).

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