An ortho-image creation method includes: first photographing of photographing a road; second photographing of photographing an area covered by the obstacle from an altitude lower than the obstacle by a second photographing apparatus, and obtaining a plurality of second photographed images; first coordinate acquisition of acquiring three-dimensional coordinates; second coordinate acquisition of acquiring three-dimensional coordinates of a second feature point located in the area covered by the obstacle and included in at least two of the plurality of second photographed images; and ortho-image creation of creating a corrected ortho-image obtained by correcting at least a part of the area covered by the obstacle in the road surface to an area not covered by the obstacle, on the basis of the plurality of first photographed images, the plurality of second photographed images, the three-dimensional coordinates of the first feature point, and the three-dimensional coordinates of the second feature point.
Ortho-image creation method, ortho-image creation system, three-dimensional model creation method, three-dimensional model creation system, and marker used therefor
20.06.2023
Patent
Elektronische Ressource
Englisch
IPC: | B64U / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B64C AEROPLANES , Flugzeuge / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G01S RADIO DIRECTION-FINDING , Funkpeilung |
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