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Remote Sensing Technology and Application  2009, Vol. 24 Issue (6): 731-736    DOI: 10.11873/j.issn.1004-0323.2009.6.731
    
Automatic SAR Sea-land Segmentation Based on Sea Chart Information
 LI Hong-zhong 1,2,WANG Chao1,ZHANG Hong1,WU Fan1
1.Center for Earth Observation and Digital Earth,Chinese Academy of Sciences, Beijing 100086,China;
2.University of Chinese Academy of Sciences,Beijing 100049,China
       
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Abstract  

 Sea-land segmentation is a basic premise of the SAR vessel detection.The tradition manual technique is precious.but it operates complex and is time-consuming.and the coastline detection algorithm is poor in noise resistance.which is not suitable for the coastal area of islands.In this paper.an automatic segmentation method is proposed.taking advantage of the geography information.overlapping SAR with shape layer of the same sea area and turning Sea-Land segmentation to the judgment of the polygon shape element in the shape layer.which operate automatically.Finally.we test the technique by Radarsat-1 and Alos-Palsar images.The automatic segmentation technique has almost no influence to the vessel detection.and the result is close to the one of the tradition manual method.besides.it runs faster.suitable for the real-time operation.

Key words:   Automatic Sea-land segmentation      Vessel detection      SAR      Land mask     
Received:  19 June 2009      Published:  06 January 2012
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LI Hong-Zhong
WANG Chao
ZHANG Gong
WU Fan

Cite this article: 

LI Hong-Zhong, WANG Chao, ZHANG Gong, WU Fan. Automatic SAR Sea-land Segmentation Based on Sea Chart Information. Remote Sensing Technology and Application, 2009, 24(6): 731-736.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2009.6.731     OR     http://www.rsta.ac.cn/EN/Y2009/V24/I6/731

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