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Road bending point detection method and device based on secondary screening

A secondary screening and detection method technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of being easily affected by the field environment and weather, consuming manpower, financial resources, material resources, and long cycle, so as to achieve fast and efficient detection process, reduce Effects of Task Volume, Push Accuracy, and Efficiency

Pending Publication Date: 2022-07-05
国交空间信息技术(北京)有限公司
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Problems solved by technology

[0003] The detection of road curvature has great reference value for the investigation, reconstruction and expansion of hidden dangers and dangerous road sections. However, the current detection of road curvature is often done by manual field measurement, which takes a long period and is easily affected by the field environment and weather. , consume a lot of human, financial and material resources

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  • Road bending point detection method and device based on secondary screening
  • Road bending point detection method and device based on secondary screening
  • Road bending point detection method and device based on secondary screening

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Embodiment Construction

[0048] In order to make the purposes, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Obviously, the described embodiments These are some, but not all, embodiments of the present disclosure. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

[0049] In addition, the term "and / or" in this article is only an association relationship to describe the associated objects, indicating that there can be three kinds of relationships, for example, A and / or B, it can mean that A exists alone, A and B exist at the same time, There are three cases of B alone. In addition, the character " / ...

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Abstract

The embodiment of the invention provides a road bending point detection method and device based on secondary screening. The method comprises the following steps: specifying a road plane coordinate system, and reading nodes of road alignment information and node position information; a curvature detection unit is determined according to the nodes, the circumcircle radius of the curvature detection unit is calculated, the node corresponding to the curvature detection unit with the circumcircle radius within a preset radius threshold value serves as a bending point of the road, and a bending road section is obtained through recognition; all the bending points within the preset distance threshold range of the specified bending points are searched, the radius values of the bending points obtained through the first screening calculation are obtained, and the minimum value of the radiuses of all circumcircles within the preset distance threshold range is calculated; and taking the node corresponding to the minimum value as the unique bending point of the bent road section. In this way, roads and bending points with large bending degrees in large-range road data can be quickly screened out.

Description

technical field [0001] Embodiments of the present disclosure generally relate to the field of road data bend point extraction for road alignment detection, and more particularly, to a method and apparatus for road bend point detection based on secondary screening. Background technique [0002] People's social production, life and economic development are closely related to the transportation system, and the road system, as the backbone of the transportation system, plays an important supporting role in it. The unreasonable linear design of the road often leads to potential safety hazards. Therefore, the corresponding departments regularly renovate and expand the roads with large curvature of the road to ensure the safety of drivers and passengers. [0003] The detection of road curvature is of great reference value for the investigation, reconstruction and expansion of hidden dangers and dangerous road sections. However, the current detection of road curvature is often done ...

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Application Information

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IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 李淑君赵梓乔王月侠李程姜山邓飞
Owner 国交空间信息技术(北京)有限公司
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