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The challenges of road network segmentation demand an algorithm capable of adapting to the sparse and irregular shapes, as well as the diverse context, which often leads traditional encoding-decoding methods and simple Transformer…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Jie Song , Yue Sun , Ziyun Cai , Liang Xiao , Yawen Huang , Yefeng Zheng

Obtaining data on active travel activities such as walking, jogging, and cycling is important for refining sustainable transportation systems (STS). Effectively monitoring these activities not only requires sensing solutions to have a joint…

Signal Processing · Electrical Eng. & Systems 2025-06-13 Ruikang Zhong , Chia-Yen Chiang , Mona Jaber , Rupert De Wilde , Peter Hayward

Distributed acoustic sensing (DAS) has attracted considerable attention across various fields and artificial intelligence (AI) technology plays an important role in DAS applications to realize event recognition and denoising. Existing AI…

Machine Learning · Computer Science 2025-06-30 Yangyang Wan , Haotian Wang , Xuhui Yu , Jiageng Chen , Xinyu Fan , Zuyuan He

Distributed Acoustic Sensing (DAS) is an emerging technology for earthquake monitoring and subsurface imaging. The recorded seismic signals by DAS have several distinct characteristics, such as unknown coupling effects, strong anthropogenic…

Geophysics · Physics 2023-03-16 Weiqiang Zhu , Ettore Biondi , Jiaxuan Li , Jiuxun Yin , Zachary E. Ross , Zhongwen Zhan

The rapid development of remote sensing technologies have gained significant attention due to their ability to accurately localize, classify, and segment objects from aerial images. These technologies are commonly used in unmanned aerial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Zhipeng Chang , Siddharth Jha , Yunfei Xia

Distributed Acoustic Sensing (DAS) enables high-resolution and long-duration monitoring of marine acoustic and seismic activity by turning existing fiber-optic cables into dense sensor arrays. However, extracting diverse signals from…

Distributed acoustic sensing (DAS) is a novel enabling technology that can turn existing fibre optic networks to distributed acoustic sensors. However, it faces the challenges of transmitting, storing, and processing massive streams of data…

Signal Processing · Electrical Eng. & Systems 2023-01-02 Xingliang Shen , Huan Wu , Kun Zhu , Yujia Li , Hua Zheng , Jialong Li , Liyang Shao , Perry Ping Shum , Chao Lu

Distributed fiber-optic acoustic sensing (DAS) has emerged as a transformative approach for distributed vibration measurement with high spatial resolution and long measurement range while maintaining cost-efficiency. However, the…

Signal Processing · Electrical Eng. & Systems 2025-12-15 Junyi Duan , Jiageng Chen , Zuyuan He

Real-time transportation surveillance is an essential part of the intelligent transportation system (ITS). However, images captured under low-light conditions often suffer the poor visibility with types of degradation, such as noise…

Computer Vision and Pattern Recognition · Computer Science 2023-09-18 Jingxiang Qu , Ryan Wen Liu , Yuan Gao , Yu Guo , Fenghua Zhu , Fei-yue Wang

Optical fiber sensing is a technology wherein audio, vibrations, and temperature are detected using an optical fiber; especially the audio/vibrations-aware sensing is called distributed acoustic sensing (DAS). In DAS, observed data, which…

Sound · Computer Science 2023-12-19 Noriyuki Tonami , Wataru Kohno , Sakiko Mishima , Yumi Arai , Reishi Kondo , Tomoyuki Hino

Extensive monitoring of acoustic activities is important for many fields, including biology, security, oceanography, and Earth science. Distributed acoustic sensing (DAS) is an evolving technique for continuous, wide-coverage measurements…

Geophysics · Physics 2025-08-27 Angeliki Xenaki , Peter Gerstoft , Ethan Williams , Shima Abadi

In this work we investigate the problem of road scene semantic segmentation using Deconvolutional Networks (DNs). Several constraints limit the practical performance of DNs in this context: firstly, the paucity of existing pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2016-04-07 German Ros , Simon Stent , Pablo F. Alcantarilla , Tomoki Watanabe

Distributed Acoustic Sensing (DAS) using fiber optic cables is a promising new technology for pipeline monitoring and protection. In this work, we applied and compared two approaches for event detection using DAS: Classic machine learning…

Machine Learning · Computer Science 2019-04-29 Mugdim Bublin

Traffic congestion and violations pose significant challenges for urban mobility and road safety. Traditional traffic monitoring systems, such as fixed cameras and sensor-based methods, are often constrained by limited coverage, low…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Ali Khanpour , Tianyi Wang , Afra Vahidi-Shams , Wim Ectors , Farzam Nakhaie , Amirhossein Taheri , Christian Claudel

Convolutional Neural Networks (CNNs) excel in local spatial pattern recognition. For many vision tasks, such as object recognition and segmentation, salient information is also present outside CNN's kernel boundaries. However, CNNs struggle…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Farzad Salajegheh , Nader Asadi , Soroush Saryazdi , Sudhir Mudur

Ultrasonic imaging is being used to obtain information about the acoustic properties of a medium by emitting waves into it and recording their interaction using ultrasonic transducer arrays. The Delay-And-Sum (DAS) algorithm forms images…

Image and Video Processing · Electrical Eng. & Systems 2021-11-23 Georgios Pilikos , Lars Horchens , Tristan van Leeuwen , Felix Lucka

We investigated the use of a U-Net convolutional neural network for denoising simulated medium-resolution spectroscopic observations of stars. Simulated spectra were generated under realistic observational conditions resembling the Subaru…

Instrumentation and Methods for Astrophysics · Physics 2025-04-04 Balázs Pál , László Dobos

Development of optical technology has enabled imaging of two-dimensional (2D) sound fields. This acousto-optic sensing enables understanding of the interaction between sound and objects such as reflection and diffraction. Moreover, it is…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Risako Tanigawa , Kenji Ishikawa , Noboru Harada , Yasuhiro Oikawa

Hyperspectral imaging (HI) has emerged as a powerful tool in diverse fields such as medical diagnosis, industrial inspection, and agriculture, owing to its ability to detect subtle differences in physical properties through high spectral…

Image and Video Processing · Electrical Eng. & Systems 2023-05-09 Haijin Zeng , Jiezhang Cao , Kai Feng , Shaoguang Huang , Hongyan Zhang , Hiep Luong , Wilfried Philips

Modern audio source separation techniques rely on optimizing sequence model architectures such as, 1D-CNNs, on mixture recordings to generalize well to unseen mixtures. Specifically, recent focus is on time-domain based architectures such…

Machine Learning · Computer Science 2019-04-09 Vivek Sivaraman Narayanaswamy , Sameeksha Katoch , Jayaraman J. Thiagarajan , Huan Song , Andreas Spanias