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一种少控制点的岛礁遥感定位方法

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摘要 高分辨率遥感为我国南海岛礁的精确定位提供了技术手段,在自主定位精度不足的情况下,需要结合控制点 对遥感影像进行几何校正,其校正精度依赖于足够的控制点数量和均匀的分布.以 SPOT-5卫星的全色影像为例, 提出一种少控制点情形下的几何精校正方法,采用1个高精度控制点即可达到2个像元的校正精度.在无实测控 制点的条件下,利用上述方法通过SPOT-5全色影像与QuickBird影像同名点匹配的方式开展南海永乐群岛的岛礁 定位,改善SPOT-5影像的定位精度,使所有岛礁的定位精度提高1倍以上.
出处 《南水北调与水利科技》 CSCD 北大核心 2016年第A02期220-222,共3页 South-to-North Water Transfers and Water Science & Technology
基金 国家重点基础研究计划(973)课题“高分专项海岸带遥感监测与应用示范”(2013CB733402) 国家自然科学基金项目“红外多角度遥感图像干旱监测方案设计与能力评价”(41231170)
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