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Vessel recognition with high resolution TerraSAR-X image based on structure feature

Yin Xiong1,2,Wang Chao1,Zhang Hong1,Wu Fan1 1.Key Laboratory of Digital Earth,Center for Earth Observation and Digital Earth,CAS,Beijing 100094,China; 2.Graduate University of the Chinese Academy of Sciences,CAS,Beijing 100049,China  
In this paper,we present a two-stage vessel recognition method based on structural features of high resolution TerraSAR-X images.We analyze two categories of vessels:tanker and cargo ship.The tanker class includes tube-showing-tanker and no-tube-showing-tanker.The cargo ship class includes closed rail cargo ship and open rail cargo ship.In the first recognition phase we distinguish closed rail cargo ships and tube-showing-tankers as one class from no-tube-showing-tankers and open rail cargo ships based on whether the ship body possesses holes.The second phase discriminates closed rail cargo ship from tube-showing-tanker based on whether the longest lines of the ship exist in the middle region of the vessel or not.The discrimination of open rail cargo ship from no-tube-showing-tanker is based on whether or not the ship body could cut off line.We obtained good experiment result with our method.
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