Simplification method and simplification device of high-precision map lane line and computer storage medium

A lane line, high-precision technology, applied in computing, image data processing, structured data retrieval, etc., can solve the problem of dense data points, achieve the effect of improving accuracy and avoiding too dense

Active Publication Date: 2021-04-30
ECARX (HUBEI) TECH CO LTD
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Problems solved by technology

However, in the production of high-precision map lane lines, the data points used to produce high-precision map lane lines are often too dense, which puts a lot of pressure on the display, storage and transmission of data points

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  • Simplification method and simplification device of high-precision map lane line and computer storage medium
  • Simplification method and simplification device of high-precision map lane line and computer storage medium

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Embodiment Construction

[0047] In the development of high-precision maps for autonomous driving, lane lines are an important element of high-precision maps. In the production of high-precision map lane lines, whether it is perceptual recognition of lane lines or manual production of lane line data, there is generally a problem of too dense data shape points, which brings a lot of problems to data display, storage, network transmission, etc. overhead.

[0048] In view of the above problems, an embodiment of the present invention provides a simplified method for high-precision map lane markings.

[0049] figure 1 It is a flowchart of a simplified method for high-precision map lane markings according to an embodiment of the present invention. see figure 1 , the simplified method for high-precision map lane markings may include the following steps S102 to S108.

[0050] Step S102: Read the data of each lane line point of the lane line in the three-dimensional space coordinate system.

[0051] In thi...

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Abstract

The invention provides a simplification method and a simplification device of a high-precision map lane line and a computer storage medium. The simplification method comprises the following steps: reading data of each lane line point of a lane line in a three-dimensional space coordinate system; converting data in the three-dimensional space coordinate system into data in a geocentric space rectangular coordinate system; simplifying the data in the geocentric space rectangular coordinate system by adopting a three-dimensional space thinning simplification algorithm according to a preset simplification tolerance to obtain simplified data; converting the simplified data into the data in the three-dimensional space coordinate system to obtain the final data of the lane line, so that the data points of the lane line of the high-precision map are prevented from being too dense, the display, storage and transmission pressure of the data points is reduced, and the lane line of the high-precision map is greatly simplified on the premise of ensuring the precision of the lane line. In addition, the data in the three-dimensional space coordinate system is converted into the data in the geocentric space rectangular coordinate system, and the accuracy of the obtained simplified data can also be improved.

Description

technical field [0001] The invention relates to the technical field of vehicle automatic driving, in particular to a simplification method, a simplification device and a computer storage medium for high-precision map lane lines. Background technique [0002] At present, high-precision maps are more and more widely used in vehicle automatic driving technology, among which lane lines are an important element of high-precision maps. However, in the production of high-precision map lane lines, the data points used to produce high-precision map lane lines are often too dense, which puts a lot of pressure on the display, storage, and transmission of data points. Contents of the invention [0003] In view of the above problems, a simplified method, simplified device, and computer storage medium for high-precision map lane markings that overcome the above problems or at least partially solve the above problems are proposed. [0004] An object of the present invention is to thin a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/05G06F16/29G06F16/25
CPCG06T17/05G06F16/258G06F16/29
Inventor 王志勇李兴义
Owner ECARX (HUBEI) TECH CO LTD
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