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Related papers: Defect segmentation: Mapping tunnel lining interna…

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Ground penetrating radar (GPR) has become a rapid and non-destructive solution for road subsurface distress (RSD) detection. However, recognizing RSD from GPR images is labor-intensive and heavily relies on the expertise of inspectors. Deep…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Chang Peng , Bao Yang , Meiqi Li , Ge Zhang , Hui Sun , Zhenyu Jiang

Automated surface-anomaly detection using machine learning has become an interesting and promising area of research, with a very high and direct impact on the application domain of visual inspection. Deep-learning methods have become the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Domen Tabernik , Samo Šela , Jure Skvarč , Danijel Skočaj

Ground Penetrating Radar (GPR) is a widely used Non-Destructive Testing (NDT) technique for subsurface exploration, particularly in infrastructure inspection and maintenance. However, conventional interpretation methods are often limited by…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Meiyan Kang , Shizuo Kaji , Sang-Yun Lee , Taegon Kim , Hee-Hwan Ryu , Suyoung Choi

Tunnels are essential elements of transportation infrastructure, but are increasingly affected by ageing and deterioration mechanisms such as cracking. Regular inspections are required to ensure their safety, yet traditional manual…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Andreas Sjölander , Valeria Belloni , Robel Fekadu , Andrea Nascetti

Efficient automated print defect mapping is valuable to the printing industry since such defects directly influence customer-perceived printer quality and manually mapping them is cost-ineffective. Conventional methods consist of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-29 Augusto C. Valente , Cristina Wada , Deangela Neves , Deangeli Neves , Fábio V. M. Perez , Guilherme A. S. Megeto , Marcos H. Cascone , Otavio Gomes , Qian Lin

Tunnel lining crack is a crucial indicator of tunnels' safety status. Aiming to classify and segment tunnel cracks with enhanced accuracy and efficiency, this study proposes a two-step deep learning-based method. An automatic tunnel image…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Yong Feng , Xiaolei Zhang , Shijin Feng , Yong Zhao , Yihan Chen

Quality control is a fundamental component of many manufacturing processes, especially those involving casting or welding. However, manual quality control procedures are often time-consuming and error-prone. In order to meet the growing…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Max Ferguson , Ronay Ak , Yung-Tsun Tina Lee , Kincho H. Law

In this research project, we put forward an advanced method for airway segmentation based on the existent convolutional neural network (CNN) and graph neural network (GNN). The method is originated from the vessel segmentation, but we…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Yihua Yang

Ground Penetrating Radar (GPR) is one of the most important non-destructive evaluation (NDE) devices to detect the subsurface objects (i.e. rebars, utility pipes) and reveal the underground scene. One of the biggest challenges in GPR based…

Signal Processing · Electrical Eng. & Systems 2020-08-21 Jinglun Feng , Liang Yang , Haiyan Wang , Yifeng Song , Jizhong Xiao

This paper presents the FPGA design of a convolutional neural network (CNN) based road segmentation algorithm for real-time processing of LiDAR data. For autonomous vehicles, it is important to perform road segmentation and obstacle…

Robotics · Computer Science 2017-11-09 Yecheng Lyu , Lin Bai , Xinming Huang

Pavement conditions are a critical aspect of asset management and directly affect safety. This study introduces a deep neural network method called U-Net for pavement crack segmentation based on drone-captured images to reduce the cost and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-13 Liming Jiang , Yuanchang Xie , Tianzhu Ren

Ground penetrating radar (GPR) is an efficient technique used for rapidly recognizing embedded rebar in concrete structures. However, due to the difficulty in extracting signals from GPR data and the intrinsic coupling between the rebar…

Image and Video Processing · Electrical Eng. & Systems 2020-05-21 Zhongming Xiang , Ge Ou , Abbas Rashidi

When performing robot/vehicle localization using ground penetrating radar (GPR) to handle adverse weather and environmental conditions, existing techniques often struggle to accurately estimate distances when processing B-scan images with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Huaichao Wang , Xuanxin Fan , Ji Liu , Haifeng Li , Dezhen Song

In this research work, we have demonstrated the application of Mask-RCNN (Regional Convolutional Neural Network), a deep-learning algorithm for computer vision and specifically object detection, to semiconductor defect inspection domain.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Bappaditya Dey , Enrique Dehaerne , Kasem Khalil , Sandip Halder , Philippe Leray , Magdy A. Bayoumi

Ground-penetrating radar (GPR) is a mature geophysical method that has gained increasing popularity in planetary science over the past decade. GPR has been utilised both for Lunar and Martian missions providing pivotal information regarding…

The reconstruction of the 3D permittivity map from ground-penetrating radar (GPR) data is of great importance for mapping subsurface environments and inspecting underground structural integrity. Traditional iterative 3D reconstruction…

Signal Processing · Electrical Eng. & Systems 2023-07-19 Qiqi Dai , Yee Hui Lee , Hai-Han Sun , Genevieve Ow , Mohamed Lokman Mohd Yusof , Abdulkadir C. Yucel

This paper presents an accurate and fast algorithm for road segmentation using convolutional neural network (CNN) and gated recurrent units (GRU). For autonomous vehicles, road segmentation is a fundamental task that can provide the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Yecheng Lyu , Xinming Huang

The standard petrography test method for measuring air voids in concrete (ASTM C457) requires a meticulous and long examination of sample phase composition under a stereomicroscope. The high expertise and specialized equipment discourage…

Computer Vision and Pattern Recognition · Computer Science 2020-06-01 Yu Song , Zilong Huang , Chuanyue Shen , Humphrey Shi , David A Lange

A good object segmentation should contain clear contours and complete regions. However, mask-based segmentation can not handle contour features well on a coarse prediction grid, thus causing problems of blurry edges. While contour-based…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Junwen Chen , Yi Lu , Yaran Chen , Dongbin Zhao , Zhonghua Pang

There has been exciting recent progress in using radar as a sensor for robot navigation due to its increased robustness to varying environmental conditions. However, within these different radar perception systems, ground penetrating radar…

Robotics · Computer Science 2021-07-19 Alexander Baikovitz , Paloma Sodhi , Michael Dille , Michael Kaess