METHOD FOR DETECTING BURIED LONGITUDINAL STRUCTURES BY MEANS OF A GROUND-PENETRATING RADAR
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United States of America Patent
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Oct 5, 2023
app pub date -
Mar 27, 2023
filing date -
Mar 27, 2023
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Abstract
A method for detecting buried longitudinal structures using a ground-penetrating radar, the method includes the steps of: acquiring a plurality of radar signals for a region of ground, determining, based on the radar signals, a 3D point cloud, each point corresponding to one radar detection and being geolocated in space, searching for at least one set of substantially aligned points in the 3D point cloud by: i. for each straight line among a set of straight lines of the 3D space, determining the number of points of the 3D point cloud that are located at a distance smaller than a predetermined minimum distance from the straight line, ii. determining at least one straight line for which the number of points is higher than a predetermined minimum detection threshold, the points located at a distance from this straight line smaller than said minimum distance characterizing a longitudinal structure.
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