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Method, device and system for acquiring from below visible caracteristics on surfaces of a structure
https://drivepatents.com/patents/1085499 · 21 Jul 2004
The process involves measuring spatial parameters representative of a position of an aircraft (1) in flight, a distance between a camera and an overhanging face (6) and an orientation of a camera (10, 11) included in an imaging unit (18). The camera is ori...