多源卫星遥感影像区域网联合平差技术  

Study of block adjustment technology for multi-source satellite remote sensing images

作　　者：钟斌 魏长婧[1,2] 

机构地区：[1]河南省遥感测绘院,郑州450003 [2]河南省岩石矿物测试中心,郑州450053

出　　处：《测绘科学》2016年第6期5-8,39,共5页Science of Surveying and Mapping

基　　金：国家测绘地理信息局青年学术和技术带头人科研计划课题(201154)

摘　　要：针对地理国情普查数字正射影像底图制作过程中数据源种类多、数据量大以及传统的单景正射纠正方法费时费力等问题,该文提出了多源卫星遥感影像区域网联合平差法,对大区域多景多源卫星影像进行正射纠正的方法。先利用各影像间的连接点进行自由网平差,建立一个稳固的网形;然后在自由网中均匀地添加少量地面控制点,对整个区域进行控制网平差。平差过程中利用仿射变换模型对RFM进行像方改正,以减小其系统误差。实践证明该方法可以获得较高的成图精度,满足地理国情普查底图DOM制作的精度要求,且能提高DOM的生产效率。According to the fact that there are many kinds of data source,large amount of data and too much time and energy that traditional single scene ortho-rectifying wastes in making digital orthophoto maps,this paper presented a block adjustment method for multi-source satellite remote sensing images to rectify many scene and source satellite face images in a wide field.First,the free network adjustment was done with the tie points among every images to build a solid network;then added a small amount of ground control points uniformly in the free network to make the control network adjustment.The affine transformation model was used to correct errors at the image side in the adjustment process to reduce its systematic errors.Practical application showed that this method could achieve higher mapping accuracy,and it could fully satisfy the accuracy requirement of DOM-making in surveying of geographical conditions,and its productive efficiency could be improved in a large extent.The research could be used as a reference when DOM was made in wide range with limited time.

关 键 词：地理国情普查 多源卫星遥感影像 区域网联合平差 有理函数模型 仿射变换模型 

分 类 号：P237[天文地球—摄影测量与遥感]