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Wave-guide-based physical systems provide a promising route toward energy-efficient analog computing beyond traditional electronics. Within this landscape, acoustic neural networks represent a promising approach for achieving low-power…

Sound · Computer Science 2025-11-27 Ivan Kalthoff , Marcel Rey , Raphael Wittkowski

Networks of nanowires are currently being explored for a range of applications in brain-like (or neuromorphic) computing, and especially in reservoir computing (RC). Fabrication of real-world computing devices requires that the nanowires…

Computational Physics · Physics 2022-07-08 R. K. Daniels , J. B. Mallinson , Z. E. Heywood , P. J. Bones , M. D. Arnold , S. A. Brown

With the rapid advancement of technology, the recognition of underwater acoustic signals in complex environments has become increasingly crucial. Currently, mainstream underwater acoustic signal recognition relies primarily on…

Sound · Computer Science 2024-01-08 Minghao Chen

In many real-world applications, fully-differentiable RNNs such as LSTMs and GRUs have been widely deployed to solve time series learning tasks. These networks train via Backpropagation Through Time, which can work well in practice but…

Neural and Evolutionary Computing · Computer Science 2020-10-29 Matthew Evanusa , Snehesh Shrestha , Michelle Girvan , Cornelia Fermüller , Yiannis Aloimonos

Nonlinear waves have played a historical role in laying the foundations of the science of complexity. Recently, they have also allowed the development of a new reservoir computing paradigm: neuromorphic computing by waves. In these systems,…

Emerging Technologies · Computer Science 2023-02-07 Giulia Marcucci , Piergiorgio Caramazza , Shamit Shrivastava

Physical layer message authentication in underwater acoustic networks (UWANs) leverages the characteristics of the underwater acoustic channel (UWAC) as a fingerprint of the transmitting device. However, as the device moves its UWAC…

Signal Processing · Electrical Eng. & Systems 2024-10-07 Gianmaria Ventura , Francesco Ardizzon , Stefano Tomasin

Underwater imagery has enabled numerous civilian applications in various domains, ranging from academia to industry, and from industrial surveillance and maintenance to environmental protection and behavior of marine creatures studies. The…

Signal Processing · Electrical Eng. & Systems 2019-10-22 Mehdi Rahmati , Dario Pompili

Underwater acoustic environment estimation is a challenging but important task for remote sensing scenarios. Current estimation methods require high signal strength and a solution to the fragile echo labeling problem to be effective. In…

Neural network-based compression and decompression of channel state feedback has been one of the most widely studied applications of machine learning (ML) in wireless networks. Various simulation-based studies have shown that ML-based…

The prediction of material degradation is an important problem to solve in many industries. Environmental conditions, such as humidity and temperature, are important drivers of degradation processes, with corrosion being one of the most…

Echo-State Networks (ESNs) distil a key neurobiological insight: richly recurrent but fixed circuitry combined with adaptive linear read-outs can transform temporal streams with remarkable efficiency. Yet fundamental questions about…

Neural and Evolutionary Computing · Computer Science 2025-07-25 Pradeep Singh , Lavanya Sankaranarayanan , Balasubramanian Raman

In real-world applications such as emotion recognition from recorded brain activity, data are captured from electrodes over time. These signals constitute a multidimensional time series. In this paper, Echo State Network (ESN), a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Rahma Fourati , Boudour Ammar , Javier Sanchez-Medina , Adel M. Alimi

In this paper, we elaborate over the well-known interpretability issue in echo state networks. The idea is to investigate the dynamics of reservoir neurons with time-series analysis techniques taken from research on complex systems.…

Data Analysis, Statistics and Probability · Physics 2016-11-21 Filippo Maria Bianchi , Lorenzo Livi , Cesare Alippi

Underwater acoustic target recognition is an intractable task due to the complex acoustic source characteristics and sound propagation patterns. Limited by insufficient data and narrow information perspective, recognition models based on…

Sound · Computer Science 2024-02-20 Yuan Xie , Jiawei Ren , Ji Xu

A Literature Review of Reservoir Computing. Even before Artificial Intelligence was its own field of computational science, humanity has tried to mimic the activity of the human brain. In the early 1940s the first artificial neuron models…

Machine Learning · Computer Science 2025-04-04 Felix Grezes

Sixth-generation wireless communication (6G) will be an integrated architecture of "space, air, ground and sea". One of the most difficult part of this architecture is the underwater information acquisition which need to transmitt…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Hao Zhao , Fei Ji , Quansheng Guan , Qiang Li , Shuai Wang , Hefeng Dong , Miaowen Wen

The goal of this paper is two-fold. First, to establish a tractable model for the underwater acoustic channel useful for network optimization in terms of convexity. Second, to propose a network coding based lower bound for transmission…

Information Theory · Computer Science 2008-09-02 Daniel E. Lucani , Muriel Médard , Milica Stojanovic

On the contrary of low speed and high delay acoustic systems, underwater optical wireless communication (UOWC) can deliver a high speed and low latency service at the expense of short communication ranges. Therefore, multihop communication…

Networking and Internet Architecture · Computer Science 2024-12-20 Abdulkadir Celik , Nasir Saeed , Basem Shihada , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Reservoir Computing has found many potential applications in the field of complex dynamics. In this article, we exploit the exceptional capability of the echo-state network (ESN) model to make it learn a unidirectional coupling scheme from…

Machine Learning · Computer Science 2023-06-21 Swarnendu Mandal , Manish Dev Shrimali

Reservoir computing provides an alternative to recurrent neural networks by overcoming the common problems of backpropagation through time and by training only a simple readout layer. The emerging field of quantum computing offers a new…

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