Machine vision inspection system of subway tunnel structure and its ...

Abstract: This paper presents a rapid machine vision detection system for subway tunnel. The system uses deep learning algorithm to effectively identify the ...

Automatic defect detection of metro tunnel surfaces using a vision ...

For the hardware component, we devise a data collection system to capture tunnel surface images with high resolution at high speed. For the software part, we ...

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 ...

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

Automatic visual inspection of cracks on concrete surface has become increasingly important for the health diagnosis of subway tunnel ...

Inspection equipment study for subway tunnel defects by grey-scale ...

In recent years, much attention has been paid to Machine Vision-Based (MVB) technology for tunnel main defect (leakage and crack) inspection as an ...

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 ...

Mobile Inspection System for High-Resolution Assessment of Tunnels

... its computer vision-based software for the automatic evaluation of tunnel condition offers the ... the camera on the structure and a panoramic image of a tunnel ...

A crack detection system of subway tunnel based on image processing

Based on the algorithm, a crack detection system is designed, and a tunnel inspection experiment is conducted in a subway tunnel to capture ...

CN102435173A - System and method for quickly inspecting tunnel ...

... system, be applied to the detection of tunnel defect based on machine vision. ... the structure of machine vision subsystem provided by the invention, for the ...

Machine Inspection Equipment for Tunnels: A Review | Vol 15, No 2

Tunnel machine detection methods can effectively overcome the shortcomings of artificial detection methods and provide more abundant quantitative data. In this ...

DEVELOPMENT OF A MACHINE VISION SYSTEM FOR DAMAGE ...

Tunnel inspection, i.e. detection of damages and defects on concrete surfaces, is essential for monitoring structural reliability and.

Comprehensive inspection vehicle for subway tunnel - TREA

Disclosed is a comprehensive inspection vehicle for a subway tunnel, including a positioning system, an acquisition system and a flatcar. The flatcar runs on a ...

Rapid Acquisition and Identification of Structural Defects of Metro ...

Methodologies based on image processing and photogrammetry are proposed to identify the structural defects of the metro tunnel. A series of on- ...

Rapid Surface Damage Detection Equipment for Subway Tunnels ...

Based on machine vision technology, a large number of tunnel detection systems have been developed, but both high detection efficiency and ...

Inspection equipment study for subway tunnel defects by grey-scale ...

In recent years, much attention has been paid to Machine Vision-Based (MVB) technology for tunnel main ... The increasing construction of subway tunnels is ...

A Multi-camera Mobile System for Tunnel Inspection - SpringerLink

For subway tunnel inspection, Huang et al. (2017) developed a small vision-based system including line-scan cameras and light sources. The ...

Towards Automated Inspections of Tunnels: A Review of Optical ...

The WSP system contains six LiDAR scanners, two panoramic cameras, nine high-resolution IR cameras, and IR flashes adapted to illuminating ...

Visual change detection on tunnel linings - ACM Digital Library

The system is designed to provide assistance to expert human inspectors carrying out structural health monitoring and maintenance on ageing tunnel networks. A ...

Automatic defect detection of metro tunnel surfaces using a vision ...

... system for the efficient visual inspection of tunnels, № vol. 32, с. 1; Huang, Damage detection and quantitative analysis of shield tunnel structure, Autom.