| 基于岸线配准的海岛礁遥感影像几何纠正方法 |
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| 引用本文： | 张靓,孟婵媛,李军,辛宪会,叶秋果,李海滨,滕惠忠.基于岸线配准的海岛礁遥感影像几何纠正方法[J].海洋测绘,2011,31(6):24-27. |
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| 作者姓名： | 张靓 孟婵媛 李军 辛宪会 叶秋果 李海滨 滕惠忠 |
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| 作者单位： | 海军海洋测绘研究所,天津,300061 |
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| 摘 要： | 由于缺少可靠的控制点,很难对遥远海岛进行几何精校正.在假定海岛岸线相对稳定的情况下,提出一种基于海岸线配准的几何校正方法.首先,基于波谱分析从卫星影像提取海岸线；接着,根据海图上陆地特定的颜色提取海岸线；最后,通过将两种岸线进行配准实现了几何精校正.试验表明这个方法可行,校正结果也令人满意.
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| 关 键 词： | 卫星影像 几何校正 海岸线 配准 |
Precision Rectification Method for Island Satellite Image Based on Registration of Coastline |
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| ZHANG Liang,MENG Chan-yuan,LI Jun,XIN Xian-hui,YE Qiu-guo,LI Hai-bin,TENG Hui-zhong.Precision Rectification Method for Island Satellite Image Based on Registration of Coastline[J].Hydrographic Surveying and Charting,2011,31(6):24-27. |
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| Authors: | ZHANG Liang MENG Chan-yuan LI Jun XIN Xian-hui YE Qiu-guo LI Hai-bin TENG Hui-zhong |
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| Institution: | (Naval Institute of Hydrographic Surveying and Charting,Tianjin,300061) |
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| Abstract: | The precision rectification of satellite image of remote island is hard to perform for lack of reliable ground control points.In this paper,we present a promising geometric rectification method based on registration of coastline.Supposing the coastline of island is relative stable.Firstly,we retrieve the coastline from the satellite image based on spectrum analysis.Then,we retrieve the coastline from the chart based on the distinctive color of land.Finally,we fulfill the precision rectification by registration of two coastlines.Experiments show that the method is reasonable and results are satisfying. |
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| Keywords: | geometric rectification coastline registration satellite image |
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