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Deep Neural Networks (DNN) have been successful in en- hancing noisy speech signals. Enhancement is achieved by learning a nonlinear mapping function from the features of the corrupted speech signal to that of the reference clean speech…

Machine Learning · Computer Science 2016-06-16 Zhenzhou Wu , Sunil Sivadas , Yong Kiam Tan , Ma Bin , Rick Siow Mong Goh

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

Information Theory · Computer Science 2024-10-28 Lee Youngmin , Ma Xiaomin , Lang S. I. D. Andrew , Valderrama-Araya F. Enrique , Chapuis L. Andrew

Artificial neural networks (ANNs) have evolved from the 1940s primitive models of brain function to become tools for artificial intelligence. They comprise many units, artificial neurons, interlinked through weighted connections. ANNs are…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Artur Matysiak , Volker Roeber , Henrik Kalisch , Reinhard König , Patrick J. C. May

Multilingual training has been shown to improve acoustic modeling performance by sharing and transferring knowledge in modeling different languages. Knowledge sharing is usually achieved by using common lower-level layers for different…

Computation and Language · Computer Science 2019-06-18 Ke Hu , Hasim Sak , Hank Liao

Abandoned oil and gas wells pose significant environmental risks due to the potential leakage of hydrocarbons, brine and chemical pollutants. Detecting such leaks remains extremely challenging due to the weak acoustic emission and high…

Applied Physics · Physics 2025-11-12 Guanlin Zhu , Zechun Deng , Jiaxin Shen , Junchi Yang

Modeling human conversations is the essence for building satisfying chat-bots with multi-turn dialog ability. Conversation modeling will notably benefit from domain knowledge since the relationships between sentences can be clarified due to…

Computation and Language · Computer Science 2017-02-07 Zhen Xu , Bingquan Liu , Baoxun Wang , Chengjie Sun , Xiaolong Wang

Artificial neural networks are a promising technique for virtual analog modeling, having shown particular success in emulating distortion circuits. Despite their potential, enhancements are needed to enable effect parameters to influence…

Sound · Computer Science 2025-08-07 Riccardo Simionato , Stefano Fasciani

Underwater wireless communications can be carried out through acoustic, radio frequency (RF), and optical waves. Compared to its bandwidth limited acoustic and RF counterparts, underwater optical wireless communications (UOWCs) can support…

Networking and Internet Architecture · Computer Science 2018-03-08 Nasir Saeed , Abdulkadir Celik , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

Achieving high throughput and reliability in underwater acoustic networks for transmitting distributed and large volume of data is a challenging task due to the bandwidth-limited and unpredictable nature of the acoustic channel. In a…

Signal Processing · Electrical Eng. & Systems 2019-04-23 Mehdi Rahmati , Roberto Petroccia , Dario Pompili

Terrain classification is a critical component of any autonomous mobile robot system operating in unknown real-world environments. Over the years, several proprioceptive terrain classification techniques have been introduced to increase…

Robotics · Computer Science 2018-04-04 Abhinav Valada , Wolfram Burgard

Deep learning is a popular machine learning approach which has achieved a lot of progress in all traditional machine learning areas. Internet of thing (IoT) and Smart City deployments are generating large amounts of time-series sensor data…

Networking and Internet Architecture · Computer Science 2021-04-15 Xiaofeng Xie , Di Wu , Siping Liu , Renfa Li

Simulation of fluid flow in porous media has many applications, from the micro-scale (cell membranes, filters, rocks) to macro-scale (groundwater, hydrocarbon reservoirs, and geothermal) and beyond. Direct simulation of flow in porous media…

Fluid Dynamics · Physics 2020-04-27 Ying Da Wang , Traiwit Chung , Ryan T. Armstrong , Peyman Mostaghimi

The prediction of streamflows and other environmental variables in unmonitored basins is a grand challenge in hydrology. Recent machine learning (ML) models can harness vast datasets for accurate predictions at large spatial scales.…

Machine Learning · Computer Science 2024-10-29 Jared D. Willard , Fabio Ciulla , Helen Weierbach , Vipin Kumar , Charuleka Varadharajan

In this study, we explore the application of an artificial recurrent neural network (RNN) called Long Short-Term Memory (LSTM) as an alternative to a turbulent Reynolds-Averaged Navier-Stokes (RANS) model. The LSTM models are utilized to…

Fluid Dynamics · Physics 2023-07-27 Hugo D. Pasinato , Nicólas F. Moguilner Reh

A deep learning approach based on big data is proposed to locate broadband acoustic sources using a single hydrophone in ocean waveguides with uncertain bottom parameters. Several 50-layer residual neural networks, trained on a huge number…

Atmospheric and Oceanic Physics · Physics 2019-07-19 Haiqiang Niu , Zaixiao Gong , Emma Ozanich , Peter Gerstoft , Haibin Wang , Zhenglin Li

The traditional communications transmit all the source data represented by bits, regardless of the content of source and the semantic information required by the receiver. However, in some applications, the receiver only needs part of the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-30 Zhenzi Weng , Zhijin Qin , Geoffrey Ye Li

Eliminating the negative effect of non-stationary environmental noise is a long-standing research topic for automatic speech recognition that stills remains an important challenge. Data-driven supervised approaches, including ones based on…

Autonomous navigation in underwater environments presents challenges due to factors such as light absorption and water turbidity, limiting the effectiveness of optical sensors. Sonar systems are commonly used for perception in underwater…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Ivano Donadi , Emilio Olivastri , Daniel Fusaro , Wanmeng Li , Daniele Evangelista , Alberto Pretto

Machine learning has the potential to revolutionize the field of molecular simulation through the development of efficient and accurate models of interatomic interactions. In particular, neural network models can describe interactions at…

Chemical Physics · Physics 2022-04-06 Ang Gao , Richard C. Remsing

Underwater sensor networks are anticipated to facilitate numerous commercial and military applications. Moreover, precise self-localization in practical underwater scenario is a crucial challenge in sensor networks because of the complexity…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Maliha Tasnim , Rashed Hasan Ratul