摘要
尝试将光束法区域网平差模型从单一数据扩展到多源数据,以线阵CCD和SAR两种遥感影像构像模型为例,建立一种"复合式"光束法区域网平差模型,并定义相应的权矩阵,通过整体答解获得像片的外方位元素和加密点的大地坐标。利用一组由三幅不同卫星影像构成的区域网进行平差试验,试验结果证明该平差模型的正确性,并分析影响平差精度的因素。
The source data of bundle block adjustment has been extended from single-source to multi-source in this paper. Acomposite bundle block adjustment model and corresponding weight matrix have been constructed based on imaging models of linearCCD andSAR remote sensing images. It has been used to achieve exterior orientation elements of each image and ground coordinates of pass points by integral solution. The spatiotriangulationexperiment was applied to 3 images in one block （panchromatic SPOT-5 HRV, panchromatic SPOT-4 HRV and RADARSAT-1） acquired over the same area from different viewing/look angles. Experiment results proved our model was correct, and then the factors influencing the accuracy of bundle block adjustment were analyzed.
出处
《测绘学报》
EI
CSCD
北大核心
2009年第2期125-130,共6页
Acta Geodaetica et Cartographica Sinica
关键词
光束法区域网平差
多源卫星遥感影像
权
精度
bundle block adjustment multi-source satellite remote sensing images weight accuracy
