Automatic Sensing and Detection for Subway Tunnel Pathologies

Subway tunnels often suffer from surface pathologies such as cracks, corrosion, fractures, peeling, water and sand infiltration, and sudden hazards caused by ...

Automatic Detection and Association Analysis of Multiple Surface ...

The surface defects on a shield subway tunnel can significantly affect the serviceability of the tunnel structure and may compromise ...

Automatic subway tunnel displacement monitoring using robotic ...

Therefore, this article focuses on the automatic monitoring of subway tunnel displacement using robotic total stations. Using prisms as reflectors, the robotic ...

Automatic Crack Detection and Classification Method for Subway ...

Image acquisition system for subway tunnel monitoring, in which: ① image sensing terminal; ② laser distance sensors; ③ image storage and processing servers; ④ ...

Automatic Crack Detection and Classification Method for Subway ...

This paper presents an automatic crack detection and classification methodology for subway tunnel safety monitoring. With the application of ...

Automatic subway tunnel crack detection system based on line scan ...

The detection system is tested in the Beijing Metro Line 1, and the results demonstrate that the proposed method outperforms existing methods ...

Research on the Present Situation and Development Trend of ...

However, the current subway tunnel detection vehicle mainly realizes the scanning detection of tunnel surface diseases, and the detection of tunnel structural ...

Subway tunnel damage detection based on in-service train dynamic ...

This study describes a method for detecting tunnel damage by using vertical acceleration of an in-service subway train and a multi-step strategy.

A crack detection system of subway tunnel based on image processing

First of all, a panoramic visual sensor was designed to fast obtain the panoramic image of the whole tunnel section, and then disease regions ...

Automatic Subway Tunnel Displacement Monitoring Using Robotic ...

Therefore, this article focuses on the automatic monitoring of subway tunnel displacement using robotic total stations. Using prisms as reflectors, the robotic ...

Surface Intrusion Recognition Method for Subway Tunnel Security ...

An experimental platform based on grating array vibration sensing is built between Hugong and Yezhihu stations of Wuhan Metro Line 7. For actual ...

Metro tunnel disease detection based on point cloud data and a ...

The automatic detection of subway tunnel lining disease is realised primarily by using industrial cameras and deep learning.

Automatic Crack Detection and Classification Method for Subway ...

This paper presents an automatic crack detection and classification methodology for subway tunnel safety monitoring and presents a distance histogram based ...

Crack Detection Technology of Subway Tunnel Based on Image ...

The subway will be a pillar of future traffic, so the safety of subway tunnels is also a top priority. Tunnel cracks are one of the most common problems. In the ...

Motion control and positioning system of multi-sensor tunnel defect ...

As the mileage of subway is increasing rapidly, there is an urgent need for automatic subway tunnel inspection equipment to ensure the ...

Research on the Present Situation and Development ... - IOPscience

It is necessary to strengthen the detection of subway tunnel diseases. ... The new technology of high-efficiency, automatic and intelligent tunnel state detection ...

Subway Tunnel Segment Disease Detection System Based ... - OUCI

List of references · Chen Z, Huang Y, Liu L, Zhu C (2021) A machine vision-based subway tunnel segment disease detection system. · Wu T, Wu J, Huang S (2021) ...

A crack detection system of subway tunnel based on image processing

For the images of crack defects of subway tunnel, traditional image processing algorithms is hardly effective for dealing with problems ...

Subway Tunnel Segment Disease Detection System Based on ...

Research based on machine vision technology of the subway tunnel segment disease detection system. On the hardware structure, by machine vision sensors and the ...

Defect Detection of Subway Tunnels Using Advanced U-Net Network

Through the experiments using a real-world subway tunnel image dataset, the proposed method showed a better performance than that of general semantic ...