作为数字城市三维重建的重要信息来源，CCD图像中的关键目标区域提取是一个十分重要的课题。
As one of the important information resources in 3d reconstruction of digital city, primary objects 'regional extraction from urban CCD images is vital very much.
提出了纹理库和模型库的思想，确立了城市景观建筑物三维重建的整体思路。
The idea of texture lab and model lab and the unitary thought of city landscape's 3D reconstruction were put forward.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
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