Learning Visual Representation of Underwater Acoustic Imagery Using Transformer-Based Style Transfer Method

• URL: http://arxiv.org/abs/2211.05396v1
• Date: Thu, 10 Nov 2022 07:54:46 GMT
• Title: Learning Visual Representation of Underwater Acoustic Imagery Using Transformer-Based Style Transfer Method
• Authors: Xiaoteng Zhou, Changli Yu, Shihao Yuan, Xin Yuan, Hangchi Yu and Citong Luo
• Abstract summary: This letter proposes a framework for learning the visual representation of underwater acoustic imageries. It could replace the low-level texture features of optical images with the visual features of underwater acoustic imageries. The proposed framework could fully use the rich optical image dataset to generate a pseudo-acoustic image dataset.
• Score: 4.885034271315195
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Underwater automatic target recognition (UATR) has been a challenging research topic in ocean engineering. Although deep learning brings opportunities for target recognition on land and in the air, underwater target recognition techniques based on deep learning have lagged due to sensor performance and the size of trainable data. This letter proposed a framework for learning the visual representation of underwater acoustic imageries, which takes a transformer-based style transfer model as the main body. It could replace the low-level texture features of optical images with the visual features of underwater acoustic imageries while preserving their raw high-level semantic content. The proposed framework could fully use the rich optical image dataset to generate a pseudo-acoustic image dataset and use it as the initial sample to train the underwater acoustic target recognition model. The experiments select the dual-frequency identification sonar (DIDSON) as the underwater acoustic data source and also take fish, the most common marine creature, as the research subject. Experimental results show that the proposed method could generate high-quality and high-fidelity pseudo-acoustic samples, achieve the purpose of acoustic data enhancement and provide support for the underwater acoustic-optical images domain transfer research.

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