Map drawing system and drawing method

Abstract

The invention discloses a map drawing system and method, and relates to the field of image processing. The method comprises the steps that a road image of a road at the current moment is collected in the vehicle driving process; determining latitude and longitude information and altitude information at the current moment; determining gradient information and radian information of the road at the current moment by utilizing the detected motion state of the three-axis gyroscope; identifying the road image, and determining pixel information of an object included in the road image; carrying out fusion processing according to the pixel information, the latitude and longitude information, the altitude information, the gradient information and the radian information of the object, and generating three-dimensional information of the road at the current moment; and drawing a map according to the three-dimensional information of the road collected at each moment. Therefore, the map can be automatically generated without manual participation, and the labor cost and the manufacturing cost are greatly reduced.

Description

technical field [0001] The invention relates to the field of image processing, in particular to a map drawing system and a drawing method. Background technique [0002] With the rapid development of the assisted driving and autonomous driving industries, the assisted and autonomous driving industries have higher and higher requirements for map accuracy. However, the accuracy of ordinary maps is only about 5 meters. Therefore, the accuracy and information volume of high-precision map information are Guarantee for the development of the autonomous driving industry. [0003] The currently used high-precision map acquisition system mainly relies on manual collection of video recordings, recording of GPS information, and recording of collected lidar scanning information. In addition, the measurement data for intersections also requires the participation of a total station, and the above-mentioned high-precision map Drawing also relies on satellite remote sensing data. After obta...

AI Technical Summary

Problems solved by technology

[0003] The currently used high-precision map collection system mainly relies on manual video recording, recording of GPS information, and recording of collected lidar scanning information. In addition, the measurement data for intersections also requires the participation of total stations, and the above-mentioned high-precision map Drawing also depends on satellite remote sensing data. After obtaining the above data, a large number of people need to use CAD and other auxiliary software to manually draw the above-mentioned high-precision map to obtain the above-mentioned high-precision map. After the fine map is drawn, repeated verification is required, and even repeated verification may cause problems

Images