journal article·2022-09-19Open access

DSA-SOLO: Double Split Attention SOLO for Side-Scan Sonar Target Segmentation

Honghe Huang, Zhen Zuo, Bei Sun, Peng Wu, Jiaju Zhang

Applied Sciences· Volume 12· Issue 18

Abstract

Side-scan sonar systems play an important role in tasks such as marine terrain exploration and underwater target identification. Target segmentation of side-scan sonar images is an effective method of underwater target detection. However, the principle of side-scan sonar systems leads to high noise interference, weak boundary information, and difficult target feature extraction of sonar images. To solve these problems, we propose a Double Split Attention (DSA) SOLO. Specially, we present an efficient attention module called DSA which fuses spatial attention and channel attention together effectively. DSA first splits feature maps into two parts along channel dimensions before processing them in parallel. Next, DSA utilizes C-S Unit and S-C Unit to describe relevant features in the spatial and channel dimensions, respectively. After that, the results of the two parts are aggregated to improve feature representation. We embedded the proposed DSA module after the FPN network of SOLOv2, and this approach improves the instance segmentation accuracy to a great extent. Experimental results show that our proposed DSA-SOLO on SCTD dataset achieves 78.4% mAP.5, which is 5.1% higher than SOLOv2.
Source: crossref · Quality: baseline

Research context

OpenAlex topics: Underwater Acoustics Research · Underwater Vehicles and Communication Systems · Robotics and Sensor-Based Localization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, China

Funding

Natural Science Foundation of Hunan Province of China · National Natural Science Foundation of China · Hunan Province Innovation Foundation for Postgraduate

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