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Deep Learning approaches for real, large, and complex scientific data sets can be very challenging to design. In this work, we present a complete search for a finely-tuned and efficiently scaled deep learning classifier to identify usable…

Machine Learning · Computer Science 2020-10-16 Vincent Dumont , Verónica Rodríguez Tribaldos , Jonathan Ajo-Franklin , Kesheng Wu

Distributed optical fiber acoustic sensing (DAS) is a rapidly-developed seismic acquisition technology with advantages of low cost, high resolution, high sensitivity, and small interval, etc. Nonetheless, consecutively missing cases often…

Geophysics · Physics 2024-04-23 Ming Cheng , Jun Lin , Xintong Dong , Shaoping Lu , Tie Zhong

Distributed Acoustic Sensing (DAS) of ambient vibrations is a promising technique in the context of structural health monitoring of civil engineering structures. The methodology uses Rayleigh backscattered light from small deformations at…

Thanks to the broadband nature of the Distributed Acoustic Sensing (DAS) measurement, a roadside section of the Stanford DAS-2 array can record seismic signals from various sources. For example, it measures the earth's quasi-static…

Geophysics · Physics 2020-06-03 Siyuan Yuan , Ariel Lellouch , Robert G. Clapp , Biondo Biondi

In the low-altitude wireless networks, the simultaneous sensing data acquisition and sharing (SDAS) through an ISAC signaling strategy becomes a typical application scenario. In this paper, we mainly investigate three primary aspects of the…

Information Theory · Computer Science 2026-03-31 Fuwang Dong , Fan Liu , Yifeng Xiong , Yuanhao Cui , Wei Wang , Shi Jin

Doubly selective (DS) channel estimation in largescale multiple-input multiple-output (MIMO) systems is a challenging problem due to the requirement of unaffordable pilot overheads and prohibitive complexity. In this paper, we propose a…

Information Theory · Computer Science 2015-11-10 Bo Gong , Qibo Qin , Xiang Ren , Lin Gui , Hanwen Luo , Wen Chen

This paper proposes a channel access control scheme fit to dense acoustic sensor nodes in a sensor network. In the considered scenario, multiple acoustic sensor nodes within communication range of a cluster head are grouped into clusters.…

Distributed, Parallel, and Cluster Computing · Computer Science 2015-11-06 Hyun-Gyu Ryu , Sang-Keum Lee , Dongsoo Har

Distributed Acoustic Sensing (DAS) that transforms city-wide fiber-optic cables into a large-scale strain sensing array has shown the potential to revolutionize urban traffic monitoring by providing a fine-grained, scalable, and…

Signal Processing · Electrical Eng. & Systems 2023-06-29 Siyuan Yuan , Martijn van den Ende , Jingxiao Liu , Hae Young Noh , Robert Clapp , Cédric Richard , Biondo Biondi

Intelligent transport systems (ITS) are pivotal in the development of sustainable and green urban living. ITS is data-driven and enabled by the profusion of sensors ranging from pneumatic tubes to smart cameras. This work explores a novel…

Machine Learning · Computer Science 2022-09-14 Chia-Yen Chiang , Mona Jaber , Peter Hayward

Fiber-optic distributed acoustic sensing (DAS) has emerged as a critical Internet-of-Things (IoT) sensing technology with broad industrial applications. However, the two-dimensional spatial-temporal morphology of DAS signals presents…

Signal Processing · Electrical Eng. & Systems 2025-11-13 Junyi Duan , Jiageng Chen , Zuyuan He

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

Nowadays, long distance optical fibre transmission systems use polarization diversity multiplexed signals to enhance transmission performance. Distributed acoustic sensors (DAS) use the same propagation medium ie. single mode optical fibre,…

Signal Processing · Electrical Eng. & Systems 2020-07-03 Sterenn Guerrier , Christian Dorize , Elie Awwad , Jérémie Renaudier

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) converts existing fibre-optic cables into dense seismic arrays at near-zero deployment cost, but measures strain rate rather than particle velocity -- the quantity required by virtually all seismological…

Geophysics · Physics 2026-05-19 Isao Kurosawa

Despite much recent work, detecting out-of-distribution (OOD) inputs and adversarial attacks (AA) for computer vision models remains a challenge. In this work, we introduce a novel technique, DAAIN, to detect OOD inputs and AA for image…

Computer Vision and Pattern Recognition · Computer Science 2021-06-01 Samuel von Baußnern , Johannes Otterbach , Adrian Loy , Mathieu Salzmann , Thomas Wollmann

The cosmic structure formed from Baryon Acoustic Oscillations (BAO) in the early universe is imprinted in the galaxy distribution observable in large scale surveys, and is used as a standard ruler in contemporary cosmology. BAO are…

Cosmology and Nongalactic Astrophysics · Physics 2021-04-07 Z. Brown , G. Mishtaku , R. Demina , Y. Liu , C. Popik

Distributed acoustic sensing (DAS) systems generate continuous, ultra-high-channel-count data streams at rates that exceed the capabilities of conventional batch-oriented analysis frameworks. As a result, essential tasks such as interactive…

Geophysics · Physics 2026-05-20 Jintao Li , Weichang Li , Kai Tong , Xaingyu Guo

With fiber-optic seismic acquisition development, continuous dense seismic monitoring is becoming increasingly more accessible. Repurposing fiber cables in telecommunication conduits makes it possible to run seismic studies at low cost,…

Geophysics · Physics 2022-03-25 Fantine Huot , Robert G. Clapp , Biondo L. Biondi

We propose a drone signal out-of-distribution (OOD) detection algorithm based on discriminability-driven spatial-channel selection with a gradient norm. Time-frequency image features are adaptively weighted along both spatial and channel…

Machine Learning · Computer Science 2026-01-27 Chuhan Feng , Jing Li , Jie Li , Lu Lv , Fengkui Gong

To reap the promising benefits of massive multiple-input multiple-output (MIMO) systems, accurate channel state information (CSI) is required through channel estimation. However, due to the complicated wireless propagation environment and…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Binggui Zhou , Xi Yang , Shaodan Ma , Feifei Gao , Guanghua Yang