Method and device for adjusting point cloud data

Abstract

The embodiment of the invention discloses a method and device for adjusting point cloud data. A specific embodiment of the method comprises the steps of obtaining first point cloud data collected fora bridge floor and second point cloud data collected for a bridge bottom surface corresponding to the bridge floor; carrying out plane fitting on data points in the second point cloud data, and determining a fitted plane; determining a cross section type of a bridge corresponding to the bridge floor based on the fitted plane, the cross section type of the bridge being used for indicating a heightassociation relationship between the bridge floor and the bridge bottom surface; and according to the determined height association relationship between the bridge floor and the bridge bottom surfaceindicated by the cross section type of the bridge and the fitted plane, adjusting components indicating the height in the first point cloud data and the second point cloud data, and generating adjusted matching point cloud data. According to the implementation mode, matching of the bridge floor point cloud data and the bridge bottom surface point cloud data in the height direction is achieved. Furthermore, an accurate and reliable data basis can be provided for manufacturing a high-precision map near the flyover.

Description

technical field [0001] The embodiments of the present disclosure relate to the field of computer technology, and in particular to a method and device for adjusting point cloud data. Background technique [0002] With the rapid development of computer and Internet technology, automatic driving technology is also improving day by day. In order to ensure the safety of autonomous driving, the accuracy of high-precision maps is becoming more and more important. Usually, high-precision maps rely on the collection and analysis of point cloud data. In some special places (such as overpasses, viaducts, etc.), the signal transmission of the GPS (Global Positioning System, Global Positioning System) is affected by the shelter of buildings, resulting in insufficient data accuracy. As a result, the point cloud data collected near the above-mentioned special places are combined to produce serious upper and lower layers. [0003] There are usually two related methods: one is to still us...

AI Technical Summary

Problems solved by technology

In some special places (such as overpasses, viaducts, etc.), the signal transmission of GPS (Global Positioning System, Global Positioning System) is affected by the shelter of buildings, resulting in insufficient data accuracy

As a result, the point cloud data collected near the above-mentioned special locations will be stitched together to produce serious upper and lower layers.

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