Results 21 to 30 of about 4,866,384 (247)

VFR: The Underwater Acoustic Target Recognition Using Cross-Domain Pre-Training with FBank Fusion Features

open access: yesJournal of Marine Science and Engineering, 2023
Underwater acoustic target recognition is a hot research area in acoustic signal processing. With the development of deep learning, feature extraction and neural network computation have become two major steps of recognition. Due to the complexity of the
Ji Wu   +5 more
doaj   +2 more sources

Competitive Deep-Belief Networks for Underwater Acoustic Target Recognition. [PDF]

open access: yesSensors (Basel), 2018
Underwater acoustic target recognition based on ship-radiated noise belongs to the small-sample-size recognition problems. A competitive deep-belief network is proposed to learn features with more discriminative information from labeled and unlabeled samples.
Yang H, Shen S, Yao X, Sheng M, Wang C.
europepmc   +5 more sources

Underwater Target Noise Recognition and Classification Technology based on Multi-Classes Feature Fusion

open access: yesXibei Gongye Daxue Xuebao, 2020
As one of the main signal sources of underwater acoustic target recognition, the target noise signal is difficult to characterize the characteristics of the target from clearly comparing with the multi-sensor detection technology, which may lead to lower

doaj   +2 more sources

A Survey of Underwater Acoustic Target Recognition Methods Based on Machine Learning

open access: yesJournal of Marine Science and Engineering, 2023
Underwater acoustic target recognition (UATR) technology has been implemented widely in the fields of marine biodiversity detection, marine search and rescue, and seabed mapping, providing an essential basis for human marine economic and military ...
Xinwei Luo   +3 more
doaj   +2 more sources

MGFGNet: an automatic underwater acoustic target recognition method based on the multi-gradient flow global feature enhancement network

open access: yesFrontiers in Marine Science, 2023
The recognition of underwater acoustic targets plays a crucial role in marine vessel monitoring. However, traditional underwater target recognition models suffer from limitations, including low recognition accuracy and slow prediction speed.
Zhe Chen   +6 more
doaj   +3 more sources

Hybrid local-global representation learning with stochastic Gaussian classification for underwater acoustic target recognition [PDF]

open access: yesScientific Reports
Underwater acoustic target recognition is critical for a broad spectrum of marine applications, yet its performance is often hindered by environmental variability, non-stationary propagation effects, and inherently low signal-to-noise ratio conditions ...
Cheng Yang   +7 more
doaj   +2 more sources

A Lightweight Channel–Frequency Joint Attention Network for Underwater Ship-Radiated Noise Separation [PDF]

open access: yesSensors
Underwater acoustic signals (UAS) in marine environments are often contaminated by noise from biological activity, ocean waves, and equipment. Under low signal-to-noise ratio (SNR) conditions, target ship-radiated components and background noise are ...
Junxian Dong, Qiong Yang, Ying Li
doaj   +2 more sources

A lightweight hybrid attention network with multi-scale feature integration for intelligent recognition of underwater acoustic targets [PDF]

open access: yesScientific Reports
Underwater Acoustic Target Recognition (UATR) plays a significant role in intelligent sonar and underwater environmental monitoring systems, but successful recognition in underwater environments of complex scenarios is a significant challenge because of ...
Nahid-Al Mahmud   +8 more
doaj   +2 more sources

An Underwater Acoustic Target Recognition Method Based on Combined Feature With Automatic Coding and Reconstruction

open access: yesIEEE Access, 2021
Underwater acoustic target recognition is one of the main functions of the SONAR systems. In this paper, a target recognition method based on combined features with automatic coding and reconstruction is proposed to classify ship radiated noise signals ...
Xinwei Luo, Yulin Feng, Minghong Zhang
doaj   +3 more sources

An End-to-End Underwater Acoustic Target Recognition Model Based on One-Dimensional Convolution and Transformer

open access: yesJournal of Marine Science and Engineering
Underwater acoustic target recognition (UATR) is crucial for defense and ocean environment monitoring. Although traditional methods and deep learning approaches based on time–frequency domain features have achieved high recognition rates in certain tasks,
Kang Yang   +3 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy