High-speed railway clearance intrusion detection with improved SSD network

B Guo, J Shi, L Zhu, Z Yu - Applied Sciences, 2019 - mdpi.com
Featured Application This work can be widely used in high-speed railway clearance
intrusion detection with image object classification and recognition. Abstract With the rapid …

Action recognition based on two-stream convolutional networks with long-short-term spatiotemporal features

Y Wan, Z Yu, Y Wang, X Li - IEEE Access, 2020 - ieeexplore.ieee.org
Human action recognition is an important research topic in the field of computer vision due
to its application values. Recently, a variety of approaches based on deep learning features …

High-speed railway intruding object image generating with generative adversarial networks

B Guo, G Geng, L Zhu, H Shi, Z Yu - Sensors, 2019 - mdpi.com
Foreign object intrusion is a great threat to high-speed railway safety operations. Accurate
foreign object intrusion detection is particularly important. As a result of the lack of intruding …

An effective railway intrusion detection method using dynamic intrusion region and lightweight neural network

Z Cao, Y Qin, Z Xie, Q Liu, E Zhang, Z Wu, Z Yu - Measurement, 2022 - Elsevier
It is significant to detect railway intrusion for railway safety. Unlike indoors, the railway is a
complex environment with many interferences leading to false positives in the intrusion …

High-speed acquisition and intelligent tunnel surface defects recognition

…, W Liao, A Dong, L Xu, L Zhu, H Shi, Z Yu - … and Underground Space …, 2024 - Elsevier
We introduce a framework to efficiently capture and identify the defects on the subway
tunnel surfaces. Specifically, we design a high-speed multi-camera-synchronous acquisition …

Automatic subway tunnel crack detection system based on line scan camera

Q Gong, L Zhu, Y Wang, Z Yu - Structural Control and Health …, 2021 - Wiley Online Library
Automatic visual inspection of cracks on concrete surface has become increasingly important
for the health diagnosis of subway tunnel structures to prevent catastrophic failures. This …

Image-based intelligent detection of typical defects of complex subway tunnel surface

L Xu, Y Wang, A Dong, L Zhu, H Shi, Z Yu - Tunnelling and Underground …, 2023 - Elsevier
We propose a new hybrid model algorithm that addresses the challenges of recognizing
multiple objects. Specifically, objects are recognized from massive, large-scale, and complex …

Railway Intrusion Detection Based on Machine Vision: A Survey, Challenges, and Perspectives

…, L Jia, Z Xie, Y Gao, Y Wang, P Li, Z Yu - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Railway intrusion seriously threatens railway safety and can cause enormous loss of life and
property. Therefore, railway intrusion detection is crucial for the safety of railway operation. …

A crack detection system of subway tunnel based on image processing

X Liu, L Zhu, Y Wang, Z Yu - Measurement and Control, 2022 - journals.sagepub.com
For the images of crack defects of subway tunnel, traditional image processing algorithms is
hardly effective for dealing with problems existing in the image like uneven illumination or …

An ultrasonic guided wave mode selection and excitation method in rail defect detection

H Shi, L Zhuang, X Xu, Z Yu, L Zhu - Applied Sciences, 2019 - mdpi.com
Different guided wave mode has different sensitivity to the defects of rail head, rail web and
rail base in the detection of rail defects using ultrasonic guided wave. A novel guided wave …