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Related papers: City-Scale Road Audit System using Deep Learning

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Road damage can create safety and comfort challenges for both human drivers and autonomous vehicles (AVs). This damage is particularly prevalent in rural areas due to less frequent surveying and maintenance of roads. Automated detection of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Tzu-Yun Tseng , Hongyu Lyu , Josephine Li , Julie Stephany Berrio , Mao Shan , Stewart Worrall

In the emerging field of urban digital twins (UDTs), advancing intelligent road inspection (IRI) vehicles with automatic road crack detection systems is essential for maintaining civil infrastructure. Over the past decade, deep…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Nachuan Ma , Zhengfei Song , Qiang Hu , Chuang-Wei Liu , Yu Han , Yanting Zhang , Rui Fan , Lihua Xie

Despite the recent success of deep-learning based semantic segmentation, deploying a pre-trained road scene segmenter to a city whose images are not presented in the training set would not achieve satisfactory performance due to dataset…

Computer Vision and Pattern Recognition · Computer Science 2017-04-28 Yi-Hsin Chen , Wei-Yu Chen , Yu-Ting Chen , Bo-Cheng Tsai , Yu-Chiang Frank Wang , Min Sun

Identifying mobility behaviors in rich trajectory data is of great economic and social interest to various applications including urban planning, marketing and intelligence. Existing work on trajectory clustering often relies on similarity…

Machine Learning · Computer Science 2020-03-04 Mingxuan Yue , Yaguang Li , Haoze Yang , Ritesh Ahuja , Yao-Yi Chiang , Cyrus Shahabi

Robust road segmentation is a key challenge in self-driving research. Though many image-based methods have been studied and high performances in dataset evaluations have been reported, developing robust and reliable road segmentation is…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Huafeng Liu , Yazhou Yao , Zeren Sun , Xiangrui Li , Ke Jia , Zhenmin Tang

Maintaining sewer systems in large cities is important, but also time and effort consuming, because visual inspections are currently done manually. To reduce the amount of aforementioned manual work, defects within sewer pipes should be…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Bach Ha , Birgit Schalter , Laura White , Joachim Koehler

In recent years, deep learning techniques (e.g., U-Net, DeepLab) have achieved tremendous success in image segmentation. The performance of these models heavily relies on high-quality ground truth segment labels. Unfortunately, in many…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Zhe Jiang , Marcus Stephen Kirby , Wenchong He , Arpan Man Sainju

High-definition (HD) maps offer extensive and accurate environmental information about the driving scene, making them a crucial and essential element for planning within autonomous driving systems. To avoid extensive efforts from manual…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Michael Hubbertz , Pascal Colling , Qi Han , Tobias Meisen

Semantic image segmentation is an essential component of modern autonomous driving systems, as an accurate understanding of the surrounding scene is crucial to navigation and action planning. Current state-of-the-art approaches in semantic…

Computer Vision and Pattern Recognition · Computer Science 2016-12-07 Tobias Pohlen , Alexander Hermans , Markus Mathias , Bastian Leibe

In fine-grained road scene understanding, semantic segmentation plays a crucial role in enabling vehicles to perceive and comprehend their surroundings. By assigning a specific class label to each pixel in an image, it allows for precise…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Yuting Hong , Yongkang Wu , Hui Xiao , Huazheng Hao , Xiaojie Qiu , Baochen Yao , Chengbin Peng

Automated pavement distresses detection using road images remains a challenging topic in the computer vision research community. Recent developments in deep learning has led to considerable research activity directed towards improving the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Hamed Majidifard , Peng Jin , Yaw Adu-Gyamfi , William G. Buttlar

Extracting information related to weather and visual conditions at a given time and space is indispensable for scene awareness, which strongly impacts our behaviours, from simply walking in a city to riding a bike, driving a car, or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Mohamed R. Ibrahim , James Haworth , Tao Cheng

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

While supervised learning is widely used for perception modules in conventional autonomous driving solutions, scalability is hindered by the huge amount of data labeling needed. In contrast, while end-to-end architectures do not require…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Elmira Amirloo , Mohsen Rohani , Ershad Banijamali , Jun Luo , Pascal Poupart

Off-road semantic segmentation with fine-grained labels is necessary for autonomous vehicles to understand driving scenes, as the coarse-grained road detection can not satisfy off-road vehicles with various mechanical properties.…

Computer Vision and Pattern Recognition · Computer Science 2022-02-21 Biao Gao , Xijun Zhao , Huijing Zhao

We present a simple and efficient method based on deep learning to automatically decompose sketched objects into semantically valid parts. We train a deep neural network to transfer existing segmentations and labelings from 3D models to…

Graphics · Computer Science 2018-08-01 Lei Li , Hongbo Fu , Chiew-Lan Tai

We present DeepNav, a Convolutional Neural Network (CNN) based algorithm for navigating large cities using locally visible street-view images. The DeepNav agent learns to reach its destination quickly by making the correct navigation…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Samarth Brahmbhatt , James Hays

Since the rise of deep learning, many computer vision tasks have seen significant advancements. However, the downside of deep learning is that it is very data-hungry. Especially for segmentation problems, training a deep neural net requires…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Robby Neven , Davy Neven , Bert De Brabandere , Marc Proesmans , Toon Goedemé

Historical maps are valuable resources that capture detailed geographical information from the past. However, these maps are typically available in printed formats, which are not conducive to modern computer-based analyses. Digitizing these…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Yunshuang Yuan , Frank Thiemann , Monika Sester

In the dynamic urban landscape, where the interplay of vehicles and pedestrians defines the rhythm of life, integrating advanced technology for safety and efficiency is increasingly crucial. This study delves into the application of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Victor Adewopo , Nelly Elsayed , Zag Elsayed , Murat Ozer , Constantinos Zekios , Ahmed Abdelgawad , Magdy Bayoumi