Abstract
X-Band marine radar plays an important role in maritime detection. The targets are the extended targets due to the high resolution and the strong reflection targets have strong sidelobe. Besides, there are much clutter and noises in the radar echo. In this letter, we propose a two-level cascade detection algorithm for X-Band marine radar. The first-level detector, which consists of CFAR detector, Ostu algorithm and opening operation, aims to detect the suspicious extended targets as many as possible. Firstly, the CFAR detector is utilized to suppress the clutter and sidelobe. Then the Ostu algorithm and opening operation are utilized to segment the extended targets. Furthermore, we impose different ratios for the targets to handle different targets scales. The designed lightweight convolutional neural network (CNN), which combines the AlexNet design idea and convolutional block attention module (CBAM), acts as the second-level detector to distinguish between the true targets and false alarms.
| Original language | English |
|---|---|
| Title of host publication | Proceedings - 2022 15th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2022 |
| Editors | Xin Chen, Lin Cao, Qingli Li, Yan Wang, Lipo Wang |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| ISBN (Electronic) | 9781665488877 |
| DOIs | |
| State | Published - 2022 |
| Event | 15th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2022 - Beijing, China Duration: 5 Nov 2022 → 7 Nov 2022 |
Publication series
| Name | Proceedings - 2022 15th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2022 |
|---|
Conference
| Conference | 15th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2022 |
|---|---|
| Country/Territory | China |
| City | Beijing |
| Period | 5/11/22 → 7/11/22 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 14 Life Below Water
Keywords
- Constant false alarm ratio
- convolutional block attention module
- convolutional neural network
- Ostu algorithm
- target detection
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