A photograph prepared from a perspective photograph by removing distortions and displacements of points caused by tilt, relief, and perspective.
An aerial photograph that has the distortion due to tilt, curvature, and ground relief corrected.
Aerial photograph having properties of an orthographic projection. Orthophotograph is derived from a regular photograph which has been processed to have displacement and distortion removed (caused by camera tilt and terrain). Orthophotographic map is a mosaic of orthophotographs all at the same scale.