Total station with a calibration functionality for instrument errors
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United States of America Patent
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Nov 23, 2021
Grant Date -
Sep 19, 2019
app pub date -
Mar 15, 2019
filing date -
Mar 15, 2018
priority date (Note) -
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Abstract
A total station configured for receiving from a camera a first image captured in a first face and a second image captured in a second face, wherein in the second face the camera is rotated around the optical axis by between 170° and 190° compared to the first face, receiving at least one of an azimuthal angle pair and an elevative angle pair, said azimuthal angle pair comprising a first azimuthal angle and a second azimuthal angle, and said elevative angle pair comprising a first elevative angle a second elevative angle, matching the first image and the second image with a relative rotation and a relative translation, determining the relative rotation of the matched first image and second image, determining the relative translation of the matched first image and second image, based on the respective angle pair, the relative rotation, the relative translation, and determining an instrument error.
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