Oil spill detection on X-band marine radar images based on sea clutter fitting model

被引：0
|
作者：
Liu, Peng [1 ]
Liu, Bingxin [1 ]
Li, Ying [2 ]
Chen, Peng [1 ]
Xu, Jin [3 ]
机构：
[1] Dalian Maritime Univ, Nav Coll, Dalian 116026, Peoples R China
[2] Dalian Maritime Univ, Environm Informat Inst, Dalian 116026, Peoples R China
[3] Guangdong Ocean Univ, Maritime Coll, Zhanjiang 524088, Peoples R China
来源：
HELIYON | 2023年 / 9卷 / 10期
基金：
中国国家自然科学基金;
关键词：
X-band marine radar; Radar images; Oil spill detection; Sea clutter fitting; EXTRACTION;
D O I：
10.1016/j.heliyon.2023.e20893
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Oil spills could cause great harm to the natural environment. The ability to identify them accurately is critical for prompt response and treatment. We proposed a sea clutter fitting model of marine radar images for oil spill detection. The model is derived from the geometric structure of the marine radar, the expression of marine radar received power, and the rough surface scattering model of the sea surface. In the denoised marine radar image, the sea clutter fitting model is used to detect coarse oil spills. Then the fine measurement is carried out by mean filter, the Otsu method, and noise reduction. The proposed oil spill detection method was used on radar images sampled after an oil spill accident happened in a coastal region in Dalian, China, on July 21, 2010. The proposed method can detect oil spills without human intervention, and the extracted oil spills are accurate and consistent with visual interpretation.
引用
收藏
页数：14
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