An official website of the United States government.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

Concept Breadcrumbs

Preferred Term:


The practice of removing positional distortions (due to camera tilt, topographical relief, etc.) from an aerial photograph to produce an accurate image of the Earth's surface and equalize the distances represented on the image.
Concept Schemes:
Broader Concept:
Entry Terms:
  • orthoimagery
Download this Concept:
RDF/XMLCreated 2006-10-16, last modified 2012-11-30