Lane information extraction method, device and equipment and storage medium

An information extraction and lane technology, applied in the field of data processing, can solve the problem of low efficiency of lane information extraction

Active Publication Date: 2020-06-26
PENG CHENG LAB
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The main purpose of the present invention is to provide a lane information extraction method, device, equipment and com

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  • Lane information extraction method, device and equipment and storage medium
  • Lane information extraction method, device and equipment and storage medium
  • Lane information extraction method, device and equipment and storage medium

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Embodiment Construction

[0048] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] The lane information extraction method involved in the embodiment of the present invention is mainly applied to a lane information extraction device, and the lane information extraction device may be a PC, a portable computer, a mobile terminal and other devices with display and processing functions.

[0050] refer to figure 1 , figure 1 It is a schematic diagram of the hardware structure of the lane information extraction device involved in the solution of the embodiment of the present invention. In the embodiment of the present invention, the device for extracting lane information may include a processor 1001 (such as a CPU), a communication bus 1002 , a user interface 1003 , a network interface 1004 and a memory 1005 . Wherein, the communication bus 1002 is used to realize the connection and communication ...

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Abstract

The invention provides a lane information extraction method and device and a storage medium, and aims to reduce the extraction difficulty of lane information by segmenting and clustering lane trajectory data into smooth trajectory clusters before extracting the lane information. The lane number and the lane center line position of the road track section cluster are estimated through an initial Gaussian mixture model and an expectation maximization algorithm; firstly, a least square method estimation algorithm is used for extracting a road track segment cluster for fitting, thus extracting estimated road characteristic parameters of the road track segment cluster; and the expectation maximization algorithm and the initial Gaussian mixture model are constrained through the estimated road characteristic parameters, so that the calculated amount of the estimated model parameters is reduced, the extraction efficiency and the extraction accuracy of the lane information are improved, and thetechnical problem of low extraction efficiency of the existing lane information is solved.

Description

technical field [0001] The present invention relates to the technical field of data processing, in particular to a lane information extraction method, device, equipment and computer-readable storage medium. Background technique [0002] Currently in autonomous driving technology, lane-level high-precision maps can be used as an auxiliary technology to improve the forward-looking capabilities of vehicles and the accuracy of automatic driving routes, thereby improving the ability to respond to drastic changes in road conditions and improving driving stability. However, the production of traditional lane-level maps relies on the use of expensive high-precision map collection vehicles to traverse the target area, which is time-consuming and laborious. Most importantly, this method cannot be updated in time when the road status changes. Therefore, data mining methods such as probability statistics can be used to extract lane-level road information from GPS trajectory data uploade...

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Application Information

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IPC IPC(8): G08G1/01G08G1/16G06K9/62
CPCG08G1/0104G08G1/167G06F18/23
Inventor 束建钢
Owner PENG CHENG LAB
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