中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Automatic Extraction of Offshore Platforms in Single SAR Images Based on a Dual-Step-Modified Model

文献类型:期刊论文

作者Zhang, Jing1,2,3; Wang, Qi1; Su, Fenzhen1
刊名SENSORS
出版日期2019-01-02
卷号19期号:2页码:18
关键词dual-step-modified model two-parameter CFAR detection Hough transform single SAR image offshore platform
ISSN号1424-8220
DOI10.3390/s19020231
通讯作者Su, Fenzhen(sufz@lreis.ac.cn)
英文摘要The quantity and location of offshore platforms are of great significance for marine oil spill monitoring and offshore oil-gas development. In the past, multiphase medium- and low-resolution optical or radar images have been used to remove the interference of ship targets based on the static position of a platform to extract the offshore platform, resulting in large demands and high image data costs. According to the difference in shape between offshore platforms (not elongated) and ships (elongated shapes) in SAR (synthetic aperture radar) images, this paper proposes an automatic extraction method for offshore platforms in single SAR images based on a dual-step-modified model. First, the two-parameter CFAR (constant false alarm rate) algorithm was used to detect the possible offshore platform targets; then, the Hough transform was introduced to detect and eliminate ship targets with linear structures. Finally, the final offshore platform was obtained. Experiments were carried out in four study areas in the Beibu Gulf basin and the Pearl River estuary basin in the northern South China Sea. The results show that the method has a good extraction effect in the above research area, and the extraction accuracy rate of offshore platforms is 86.75%. A single SAR image can obtain satisfactory extraction results, which greatly saves on image data cost.
WOS关键词HOUGH TRANSFORM ; CFAR ; SELECTION
资助项目National Natural Science Foundation of China[41890854]
WOS研究方向Chemistry ; Electrochemistry ; Instruments & Instrumentation
语种英语
WOS记录号WOS:000458569300014
出版者MDPI
资助机构National Natural Science Foundation of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/49957]  
专题中国科学院地理科学与资源研究所
通讯作者Su, Fenzhen
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
2.Gansu Prov Engn Lab Natl Geog State Monitoring, 88 Anning Rd, Lanzhou 730070, Gansu, Peoples R China
3.Lanzhou Jiaotong Univ, Fac Geomat, Lanzhou 730070, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Jing,Wang, Qi,Su, Fenzhen. Automatic Extraction of Offshore Platforms in Single SAR Images Based on a Dual-Step-Modified Model[J]. SENSORS,2019,19(2):18.
APA Zhang, Jing,Wang, Qi,&Su, Fenzhen.(2019).Automatic Extraction of Offshore Platforms in Single SAR Images Based on a Dual-Step-Modified Model.SENSORS,19(2),18.
MLA Zhang, Jing,et al."Automatic Extraction of Offshore Platforms in Single SAR Images Based on a Dual-Step-Modified Model".SENSORS 19.2(2019):18.

入库方式: OAI收割

来源:地理科学与资源研究所

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