Method and geodetic device for surveying at least one target

Details Method and geodetic device for surveying at least one target Method and geodetic device for surveying at least one target

G - Physics

01

C

G01C 3/06 (2006.01) G01C 15/00 (2006.01)

Patent

CA 2594841

The invention relates to a method for surveying at least one target (17) using a geodetic device (13). According to said method, a camera of the device (13) captures a visual image and surveys an angle and/or a distance to the target with geodetic precision, the angle and/or distance surveillance being supported or controlled by the visual image. At the same time of capture of the visual image at least two distance points of a distance image are captured as the spatial distribution of discrete distance points in the area of detection (14b). When the visual image and the distance image are correlated with each other, the target is recognized or the measuring process is controlled.

Selon l'invention, pour mesurer au moins une cible (17) au moyen d'un appareil géodésique (13), une image visuelle est enregistrée par une caméra de l'appareil (13) et un angle et/ou une distance par rapport à la cible sont mesurés avec une précision géodésique, la mesure de l'angle et/ou de la distance étant assistée ou commandée au moyen de l'image visuelle. En relation temporelle avec l'enregistrement de l'image visuelle, on réalise une acquisition isosynchrone d'au moins deux points d'espacement d'une image-distance en tant que répartition spatiale de points d'espacement discrets dans la plage d'enregistrement (14b). Une identification de la cible ou une commande du processus de mesure est effectué par corrélation de l'image visuelle et de l'image-distance.

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