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Lightweight Classification Model for Underwater Mines and Rocks Using Sonar Signals in Military Environment

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2025, 30(5), pp.131~140
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science
  • Received : April 10, 2025
  • Accepted : May 20, 2025
  • Published : May 30, 2025

Won-Jun Han 1 Soo-Jin Lee 1 Gwang-Ho Kim 1 Ki-Pyong Park 1

1국방대학교

Accredited

ABSTRACT

The purpose of this study is to develop a lightweight machine learning model that can quickly and accurately classify underwater objects such as rocks and mines in a maritime military environment using SONAR data. To achieve this, we traind five machine learning models including KNN, SVM, Logistic Regression, LightGBM, and MLP, and analyzed and compared their classification performances. In order to improve the classification performance of the models, preprocessing techniques such as PCA and LDA were applied. Hyperparameters were also fine-tuned for each training model to derive optimized values. As a result of the experiment, the SVM model, which was trained by reducing the feature dimensions to 29 through PCA, achieved the highest accuracy of 96.15%, and all performances were superior to those of existing machine learning-based models. In particular, the proposed approach does not cause any misclassification of underwater mines at all, so it is expected to be useful for detecting submarines and underwater drones in a marine military environment in the future.

Citation status

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