Results 161 to 170 of about 20,770 (204)

Target classification and recognition using underwater acoustic signals

2020
ABSTRACT TARGET CLASSIFICATION AND RECOGNITION USING UNDERWATER ACOUSTIC SIGNALS YA?CI, Tayfun M. S., Department of Computer Engineering Supervisor: Assoc. Prof. Dr. Ahmet COŞAR July 2005, 116 pages Nowadays, fulfillment of the tactical operations in secrecy has great importance for especially subsurface and surface warfare platforms as a result of ...
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Enhancing Underwater Acoustic Target Recognition with Diffusion Models and AST: A Few-Shot Learning Approach

2025 5th International Conference on Neural Networks, Information and Communication Engineering (NNICE)
Underwater Acoustic Target Recognition (UATR) faces challenges due to complex ocean environments and limited data. This study proposes a new method that combines Diffusion Models and an Audio Spectrogram Transformer (AST) for few-shot UATR, specifically ...
Beiming Yu, Shuanping Du, Yuechao Chen, Zhenwei Bian   +3 more
semanticscholar   +1 more source

Underwater Acoustic Target Recognition with Fusion Feature

2021
Pengyuan Qi, Jianguo Sun, Yunfei Long, Liguo Zhang, null Tianye   +4 more
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Underwater Acoustic Target Recognition Based on Hilbert–Huang Transform and Data Augmentation

IEEE Transactions on Aerospace and Electronic Systems
This article proposes an underwater acoustic target recognition method using the Hilbert–Huang transform (HHT) and data augmentation, with a residual convolutional neural network (CNN) as the classifier.
Qihai Yao, Yong Wang, Yixin Yang
semanticscholar   +1 more source

An Underwater Acoustic Target Recognition Method Based on Iterative Short-Time Fourier Transform

IEEE Sensors Journal
In the multifaceted marine environment, numerous factors affect the noise radiated by ships, thereby weakening the traditional spectral characteristics and diminishing the spectrum’s ability to express identity information.
Boqiang Lin, Lina Gao, Pengsen Zhu, Yonggang Zhang, Yulong Huang   +4 more
semanticscholar   +1 more source

An Underwater Acoustic Target Recognition Method Based on AMNet

IEEE Geoscience and Remote Sensing Letters, 2023
Biao Wang, Wei Zhang, Yunan Zhu, Chengxi Wu, Shizhen Zhang   +4 more
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Multiresolution Convolutional Neural Network for Underwater Acoustic Target Recognition

2021 IEEE 6th International Conference on Signal and Image Processing (ICSIP), 2021
Zhang Yi, Li Pingzheng, Xiong Shuidong, Yao Qiong, Ma Yanxin, Liu Mengqi   +5 more
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Underwater Acoustic Target Recognition Method Based on Feature Fusion and Residual CNN

IEEE Sensors Journal
This article presents an underwater acoustic target recognition method using feature fusion and residual convolutional neural network (CNN). Mel-frequency cepstrum coefficient (MFCC), Gammatone frequency cepstral coefficient (GFCC), low-frequency ...
Yixin Yang, Qihai Yao, Yong Wang
semanticscholar   +1 more source

Adversarial multi-task underwater acoustic target recognition: towards robustness against various influential factors

Journal of the Acoustical Society of America
Underwater acoustic target recognition based on passive sonar faces numerous challenges in practical maritime applications. One of the main challenges lies in the susceptibility of signal characteristics to diverse environmental conditions and data ...
Yuan Xie, Ji Xu, Jiawei Ren, Junfeng Li
semanticscholar   +1 more source

Underwater Acoustic Target Recognition based on Graph Wavelet Bispectrum

2023 5th International Conference on Frontiers Technology of Information and Computer (ICFTIC), 2023
Xin Chen, Jie Shao, Xingxing Wang
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