Pavement asphalt thickness detection method based on vehicle-mounted laser scanning spot cloud
A vehicle-mounted laser scanning, asphalt thickness technology, applied in measuring devices, optical devices, image data processing, etc., to improve detection accuracy, ensure safety and quality, and improve detection time and cost.
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[0054] Example
[0055] See figure 1 , The present invention discloses a method for detecting the thickness of road asphalt in a road reconstruction project based on a vehicle-mounted laser scanning point cloud, which includes the following steps:
[0056] S1. Obtaining two sets of point cloud data
[0057] Use the vehicle-mounted laser scanning system to scan the point cloud data set in two scans. The first scan obtains the road point cloud data set of the exposed surface before the asphalt paving of the road renovation project, and the second scan obtains the road point cloud data set of the asphalt pavement after the road renovation project is paved.
[0058] S2, data coarse registration
[0059] Two sets of point cloud data sets collected at different times and different scanning projects need to be registered to the same coordinate system before processing. The two sets of point cloud data have different road points, but for roadside traffic signs, street light poles, buildings,...
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