JI Yonggang, ZHANG Jie, MENG Junmin, WANG Yiming. Point association analysis of vessel target detection with SAR, HFSWR and AIS[J]. Acta Oceanologica Sinica, 2014, 33(9): 73-81. doi: 10.1007/s13131-014-0498-2
Citation: JI Yonggang, ZHANG Jie, MENG Junmin, WANG Yiming. Point association analysis of vessel target detection with SAR, HFSWR and AIS[J]. Acta Oceanologica Sinica, 2014, 33(9): 73-81. doi: 10.1007/s13131-014-0498-2

Point association analysis of vessel target detection with SAR, HFSWR and AIS

doi: 10.1007/s13131-014-0498-2
  • Received Date: 2013-08-06
  • Rev Recd Date: 2013-11-01
  • 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.
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