海量多源1∶50000正射影像数据建库与集成更新

Establishment and Integration of Multi-Source DOM Database for Updating 1:50 000 Topographic Database

高分辨率正射影像不仅是1∶50 000地形数据库更新的数据源,也是1∶50 000数据库更新工程的重要数据产品。本文针对国家1∶50 000更新工程DOM数据库建设目标和要求,提出了建库总体思路、技术方法和海量多源正射影像数据库的技术设计,面向正射影像数据库管理与分发服务需求研制开发了影像库集成管理与数据服务系统软件,实现影像成果数据集成管理和分发服务一体化。

The high resolution digital ortho image is the one of important data sources forupdating national 1：50 000 topographic database, also as a kind of data products designed for applications of all walks. In this paper, the establishment and integration of DOM is introduced, the focus mainly includes the general technical solution and methods, data handling and preparing, work flow, and the implementation of the corresponding software system.