钟斌,戴晓琴,曹新晴,张明灏

• 1:河南省遥感测绘院
• 2:河南测绘职业学院遥感工程系

摘要(Abstract)：

针对目前使用数字正射影像图(DOM)作为控制资料,纠正卫星影像,容易造成几何形变的误差传递的问题,该文提出了构建原始影像基准网,进行大区域卫星影像区域网平差的方法。该方法使用外业控制点作为地面控制资料,激光点云生产的数字高程模型(DEM)数据作为高程资料,利用区域网平差技术解算基准网影像的有理多项式系数(RPC)文件,配合DEM辅助弱连接点检测技术增强基准网的稳健性,而后利用高精度连接点匹配基准网解算同源待平差影像的RPC文件。该文使用该方法建立了基于39景高分二号影像的河南安阳、鹤壁地区的基准网,并对两景新增影像进行平差处理。结果表明,平面中误差为1.6m,达到1∶10 000数字正射影像生产的精度要求,相邻影像之间的几何拼接精度优于1个像素,满足了无缝拼接。

关键词(KeyWords)： 基准网;区域网平差;DEM;RFM;RPC

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目(2016YFB0801301-2)

作者(Author): 钟斌,戴晓琴,曹新晴,张明灏

DOI: 10.16251/j.cnki.1009-2307.2019.08.024

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