Cited by 47Underwater Acoustics ResearchUnderwater Vehicles and Communication SystemsMusic and Audio Processing

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

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Luo, Xinwei, Feng, Yulin, Zhang, Minghong·2021·IEEE Access

Abstract

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. In the existing underwater acoustic target recognition systems, the target category features are mostly constructed based on the power spectrum according to a certain presupposed model, and some useful information in the data is discarded artificially. In the proposed recognition method, a feature extractor based on auto-encoding is designed. The feature extractor uses the restricted Boltzmann machine (RBM) to automatically encode the combined data of the power spectrum and demodulation spectrum of ship radiated noise without supervision and extracts the deep data structure layer by layer to obtain the signal feature vector. The extracted feature vector is sent to a Back Propagation (BP) neural network to realize target recognition. Due to the high cost of ship radiated noise acquisition, the sample size of ship radiated noise signals is often hard to meet the needs of neural network training. A method of data augmentation is designed by RBM auto-encoder to construct the expanded sample set, which improves the performance of the recognition system. The experimental results based on the actual ship’s radiated noise show that the proposed method has better performance than the traditional methods.

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  • A data-augmentation technique using an RBM autoencoder to reconstruct original signals produced mean squared error between reconstruction and original samples in the range 0.0115 to 0.5649, meaning the difference was minor and the properties were maintained.

    “The mean squared error (MSE) between the reconstruction and the original samples was in the range of 0.0115 to 0.5649, meaning that the difference between the two signals was minor and the properties were maintained.”

    From A Survey of Underwater Acoustic Data Classification Methods Using Deep Learning for Shoreline Surveillance (2022) · cites this paper as [123]

    Split into 2 atoms — 1 confirmed, 1 partially supported, 0 disputed, 0 misattributed, 0 unverifiable. Expand the claim to see per-atom verdicts.

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  • RBM autoencoders have been proposed to reconstruct original data for classification of vessels in passive sonar data.

    “Boltzmann Machine (RBM) autoencoders have been proposed in [123], aiming at reconstructing the original data to be used in the classification of vessels in passive sonar data.”
  • Neural-network models that include RBM as a denoising element greatly outperform the traditional Gaussian Mixture Model with a Gammatone Frequency Cepstral Coefficient feature-extraction layer.

    “NN models that include RBM as a denoising element have been shown to greatly outperform the traditional Gaussian Mixture Model (GMM) with a Gammatone Frequency Cepstral Coefficient feature-extraction layer.”
  • Unsupervised feature extraction with an RBM autoencoder plus combining the power spectrum and demodulation spectrum into the input data is a highly effective method for identifying ships from passive sonar signals.

    “In this way, the use of an unsupervised feature-extraction approach with RBM autoencoder (to provide noise extraction and signal reconstruction) and the combination of the power spectrum and demodulation spectrum into the input data (recognising important rhythm features of the original sound) have been shown to be a highly effective method for identifying ships from passive sonar signals.”

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  29. XINWEI LUO (Member, IEEE) received the B.S., M.S., and Ph.D. degrees from Southeast Univer- sity, Nanjing, China, in 2001, 2006, and 2013, respectively. He is currently an Associate Pro- fessor with the Key Laboratory of Underwater Acoustic Signal Processing of Ministry of Educa- tion, Southeast University. His research interests include acoustic signal processing, target detec- tion, parameter estimation, and underwater target classification.
  30. YULIN FENG (Student Member, IEEE) received the B.S. degree from Northeast University, Shenyang, China, in 2019. He is currently pur- suing the master's degree with the Key Labora- tory of Underwater Acoustic Signal Processing of Ministry of Education, Southeast University. His research interests include acoustic signal process- ing, array signal processing, parameter estimation, and signal detection.

Cited by

Sorted by citations

Authors
Luo, X., Feng, Y., & Zhang, M.
Affiliations
Southeast University (CN)
Venue
IEEE Access
Published
2021
Volume
9
Pages
63841-63854
ISSN
2169-3536 (ISSN-L)
OpenAlex
W3158291757
Cited by
47
References
1
Citations by year
2026: 7 · 2025: 10 · 2024: 13 · 2023: 10 · 2022: 5 · 2021: 2
FWCI
3.61
Type
journal article
Language
en
Open access
Locations
  • IEEE Access (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Natural Science Foundation of China (11674057, 91938203, 11704069, 11874109)
  • Fundamental Research Funds for Central Universities (2242021K30019)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Underwater Acoustics Research
  • Physical Sciences › Engineering › Ocean Engineering › Underwater Vehicles and Communication Systems
  • Physical Sciences › Computer Science › Signal Processing › Music and Audio Processing
Keywords
underwater acoustic target recognition, ship radiated noise, sonar, restricted Boltzmann machine, autoencoder, feature extraction, power spectrum, data augmentation, BP neural network

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