Adaptive Control Attention Network for Underwater Acoustic Localization and Domain Adaptation

• URL: http://arxiv.org/abs/2506.17409v1
• Date: Fri, 20 Jun 2025 18:13:30 GMT
• Title: Adaptive Control Attention Network for Underwater Acoustic Localization and Domain Adaptation
• Authors: Quoc Thinh Vo, Joe Woods, Priontu Chowdhury, David K. Han,
• Abstract summary: Localizing acoustic sound sources in the ocean is a challenging task due to the complex and dynamic nature of the environment.<n>We propose a multi-branch network architecture designed to accurately predict the distance between a moving acoustic source and a receiver.<n>Our proposed method outperforms state-of-the-art (SOTA) approaches in similar settings.
• Score: 8.017203108408973
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Localizing acoustic sound sources in the ocean is a challenging task due to the complex and dynamic nature of the environment. Factors such as high background noise, irregular underwater geometries, and varying acoustic properties make accurate localization difficult. To address these obstacles, we propose a multi-branch network architecture designed to accurately predict the distance between a moving acoustic source and a receiver, tested on real-world underwater signal arrays. The network leverages Convolutional Neural Networks (CNNs) for robust spatial feature extraction and integrates Conformers with self-attention mechanism to effectively capture temporal dependencies. Log-mel spectrogram and generalized cross-correlation with phase transform (GCC-PHAT) features are employed as input representations. To further enhance the model performance, we introduce an Adaptive Gain Control (AGC) layer, that adaptively adjusts the amplitude of input features, ensuring consistent energy levels across varying ranges, signal strengths, and noise conditions. We assess the model's generalization capability by training it in one domain and testing it in a different domain, using only a limited amount of data from the test domain for fine-tuning. Our proposed method outperforms state-of-the-art (SOTA) approaches in similar settings, establishing new benchmarks for underwater sound localization.

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