The Government of Canada’s terminology and linguistic data bank.

Y-PARALLAX [1 record]

Record 1 2000-05-23


Subject field(s)
  • Range Measurements (Telecommunications)
  • Computer Graphics

The difference between the distances perpendicular to the vertical plane containing the air base, of the two images of a point on an overlapping pair of aerial photographs.


The existence of y-parallax is an indication of tilt in either or both photographs and/or a difference in flight altitudes, and is confusing to stereoscopic examination of the pair.


  • Mesures à distance (Télécommunications)
  • Infographie


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