| JI Yonggang,ZHANG Jie,MENG Junmin,WANG Yiming. 2014. Point association analysis of vessel target detection with SAR, HFSWR and AIS. Acta Oceanologica Sinica, 33(9):73－81 |
| Point association analysis of vessel target detection with SAR, HFSWR and AIS |
| 船只目标SAR、HFSWR和AIS多手段融合探测的点迹关联分析 |
| Received:August 06, 2013 Revised:November 01, 2013 |
| DOI：10.1007/s13131-014-0498-2 |
| Key words:vessel target detection SAR HFSWR AIS point association data fusion |
| 中文关键词: 船只目标探测 SAR 地波雷达 AIS 点迹关联 数据融合 |
| 基金项目:The Special Funds for Fundamental Research Project of China under contract No. 2008T04; the Marine Scientific Research Special Funds for Public Welfare of China under contract No. 200905029. |
| Author Name | Affiliation | E-mail | | JI Yonggang | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Oceanic Telemetry Engineering and Technology Research Center, State Oceanic Administration and China Aerospace Science and Technology Corporation, Qingdao 266061, China | jiyonggang@gmail.com | | ZHANG Jie | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Oceanic Telemetry Engineering and Technology Research Center, State Oceanic Administration and China Aerospace Science and Technology Corporation, Qingdao 266061, China | | | MENG Junmin | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Oceanic Telemetry Engineering and Technology Research Center, State Oceanic Administration and China Aerospace Science and Technology Corporation, Qingdao 266061, China | | | WANG Yiming | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China
Oceanic Telemetry Engineering and Technology Research Center, State Oceanic Administration and China Aerospace Science and Technology Corporation, Qingdao 266061, China | |
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| Abstract: |
| A space-borne synthetic aperture radar (SAR), a high frequency surface wave radar (HFSWR), and a ship automatic identification system (AIS) are the main remote sensors for vessel monitoring in a wide range. These three sensors have their own advantages and weaknesses, and they can complement each other in some situations. So it would improve the capability of vessel target detection to use multiple sensors including SAR, HFSWR, and AIS to identify non-cooperative vessel targets from the fusion results. During the fusion process of multiple sensors' detection results, point association is one of the key steps, and it can affect the accuracy of the data fusion and the efficiency of a non-cooperative target's recognition. This study investigated the point association analyses of vessel target detection under different conditions: spaceborne SAR paired with AIS, as well as HFSWR, paired with AIS, and the characteristics of the SAR and the HFSWR and their capability of vessel target detection. Then a point association method of multiple sensors was proposed. Finally, the thresholds selection of key parameters in the points association (including range threshold, radial velocity threshold, and azimuth threshold) were investigated, and their influences on final association results were analyzed. |
| 中文摘要: |
| 星载SAR、高频地波雷达（HFSWR）和船只自动识别系统（AIS）是海上船只目标大范围遥感探测的主要手段。三种探测手段具有各自的优势和不足，在某些情况下可以互相补充。通过星载SAR、地波雷达和AIS三种手段的融合探测，可以识别出海上非合作目标，提高对海上船只目标的探测和监控能力。在船只目标多手段融合过程中，点迹关联是其中关键的一步，直接影响着多手段融合探测的精度和海上非合作目标的识别。本文开展了星载SAR与同步AIS、地波雷达与同步AIS等条件下的船只目标的点迹关联分析，评价了星载SAR和地波雷达两种手段的特点及船只目标探测能力。在此基础上提出了星载SAR、地波雷达和AIS等多手段的点迹关联方法。最后研究了多手段点迹关联处理中关键参数（包含距离门限、径向速度门限和方位门限）的选取及对关联结果的影响。 |
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