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Le terme « photogrammétrie » désigne l’ensemble des méthodes visant à reconstituer la géométrie d’un objet à partir d’un lot de photographies en reproduisant le principe de stéréoscopie de la vision humaine.
La photogrammétrie est une technique de mesure de coordonnées en 3 dimensions déterminées par des comparaisons faites entre plusieurs photographies prises à différentes positions.