orthophoto mosaics


orthophoto mosaics
A type of air photo mosaic that is more accurate than controlled or uncontrolled mosaics. The process transforms the air photos into a larger mosaic that has characteristics of a map (true distance, angles, and areas) but can be interpreted like a photograph. The process of conversion is called differential rectification and involves the elimination of photoscale variations and image displacement using an orthophoto-scope.

Aviation dictionary. 2014.

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