摘要
以SAR正射产品生产的流程工艺为序,从精度控制的角度出发,着重对影响SAR影像正射产品精度的相关因素进行理论分析,并以同一地区不同入射角的5景Radarsat-1 SAR影像为实例,结合实地GPS采集的140个控制点给出了生产高精度SAR影像正射产品的相关实验结论和生产建议。
To get accurate Ortho-SAR image,it is important to keep the same precision for GCP and DEM data in the process of Ortho-rectification. How to select reliable Ground Control Point （GCP） and control the precision of Ortho model is discussed in this paper. The conclusions are drawn by comparing different Ortho-rectifieation process which was using Finel to Fine5 mode Radarsat-1 SAR images of same region and 140 GCPs gotten by GPS surveying. Some advices for processing SAR image Ortho-rectification are given at last.
出处
《遥感技术与应用》
CSCD
北大核心
2009年第1期93-96,共4页
Remote Sensing Technology and Application
基金
国家自然科学基金资助项目(40601058)
关键词
SAR
正射纠正
质量检查
SAR
Ortho-Rectification
Image quality
