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  4. Processes and Techniques (hierarchy name)
  5. [processes and techniques by specific type]
  6. [image-making processes and techniques]
  7. [photography and photographic processes and techniques]
  8. photographic techniques
  9. picture-taking techniques
  10. [picture-taking techniques by location or context]
  11. aerial photography
  12. orthophotography
Scope note
The geometric correction of spatial distortions such as tilt and relief in aerial photographs, resulting in uniformity of scale. Orthocorrected images may be used to measure true distances; a basis of aerial photogrammetry.
Accepted term: 27-May-2024