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Aerial Imagery: Data

  • By: Qingmin Meng
  • In: Encyclopedia of Geography
  • Edited by: Barney Warf
  • Subject:General Geography, Earth & Environmental Science

As one of the main sources of high-resolution images, aerial imagery is the primary data of airborne remote sensing, which involves taking photographs and images using an airborne sensor. Thus, the term aerial imagery refers to aerial photographs or aerial images. Airborne sensors, mounted on airplanes, helicopters, balloons, rockets, or other platforms, automatically collect aerial images of Earth's surface. A photograph or an image taken by a handheld camera is also a type of aerial imagery; that is, the camera should not be placed on a ground structure.

Development

Aerial photographs are the first type of aerial imagery. The first known aerial photograph was taken from a hot balloon by the French photographer Felix Tournachon, who used the nom de plume Nadar, in 1858. One of ...

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