Guiding line generation method and guiding line generation device

Abstract

The invention discloses a guiding line generation method and a guiding line generation device. The method comprises the following steps: acquiring a stop line of an entry lane at an intersection and a stop line of an object lane; selecting a first control point in the stop line of the object lane, and selecting a second control point in the stop line of the entry lane; determining a Bezier control point according to an included angle between the entry lane and the object lane; and fitting a Bezier curve based on the first control point, the second control point and the Bezier control point, wherein the Bezier curve is a guiding line from the entry lane to the object lane. The control points in the guiding line are determined according to the stop line of the entry lane and the stop line of the object lane, and the Bezier curve generated by fitting the control points is used as the guiding line. Compared with methods for artificially drafting the guiding line, the method disclosed in the invention has the advantages of low cost, high efficiency, few control points in the generated guiding line, and realization of rapid guidance of an automatically driven vehicle to pass by the intersection at the intersection.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a method and device for generating guiding lines. Background technique [0002] Map navigation technology can quickly provide users with accurate route guidance, which greatly facilitates users' daily travel. The user sets the starting point and end point in the map navigation, and the map navigation will perform real-time route navigation according to the user's location. [0003] At present, there are two main application modes for map navigation. One is the manual driving navigation mode. The 3D navigation route and 3D guidance tools (such as 3D simulation cars or 3D arrows, etc.) are displayed on the map interface. The 3D guidance tools in map navigation are always Keeping consistent with the user's location, the user can judge the driving route of the vehicle under the guidance of the three-dimensional guidance tool; the other is the automatic driving navigation m...

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a method and device for generating a guideline, so as to automatically fit and generate the entry lane to the target lane according to the stop line of the entry lane at the intersection and the stop line of the target lane guide lines, solve the problem of high cost of manually drawing guide lines and slow navigation of guide lines at intersections

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