Method for county-level land use change survey based on orthophoto and GIS;
基于正射影像和GIS技术的县级土地利用变更调查方法研究
Organization and Management of Orthophoto Map Data Based on Oracle Database;
基于Oracle数据库的正射影像数据的组织和管理
This paper describes a method for orthophoto updating rapidly based on a local interest area in the case of rapid topographic support.
本文探讨了一种在应急测绘保障情况下基于城市目标区域的正射影像快速更新方法。
The SPOT HRG images ortho-rectification experiment and precision analysis without GCPs;
SPOT HRG影像无控制正射纠正实验与精度分析
Ortho-rectification of Spot5 Remote Sensing Image Based on the 1∶10000 DEM;
基于1∶1万DEM的SPOT5遥感影像正射纠正
A new method of quick ortho-rectification of remote sensing imagery in national map updating project at the scale of 1:50 000 was proposed in this paper.
结合国家1∶50000数据库更新工程中影像正射纠正的需要,充分利用GPS公路网数据作为控制源,结合控制点和控制线混合的广义点光束法区域网平差策略和算法,实现遥感影像的快速正射纠正,避免或减少了外业控制点的采集。
Research on orthorectification of IKONOS single photo based on rational function model;
基于有理函数模型的IKONOS单片正射纠正方法研究
At last massive orthorectification experiments have been done with these three mode.
本文对高分辨率卫星影像的成像几何模型进行了比较系统的研究,分别论述了卫星轨道姿态模型、有理函数模型和微分多项式模型,建立了具体的模型定向实现算法,在此基础上开发了微机版的影像正射纠正软件,最后详细描述了利用三种模型进行的大量实验及结果分析。
This article realizes QuickBird image orthorectification with rational function model and DEM data, then checking the process accuracy with survey results of field data.
本文利用有理函数模型和DEM数据,实现了QuickBird影像的正射纠正,并利用外业测量成果,对纠正的精度进行检查。
The orthorectify treatment of Quickbird sensing image was done with strict sensor physic model.
运用严格的传感器物理模型对快鸟预正射影像进行正射处理,采用Median滤波、Gaussian滤波和均值滤波三种滤波技术对图像进行增强处理。
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