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摘要

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引用本文:

DOI:

10.11834/jrs.20010102

收稿日期:

2000-04-03

修改日期:

2000-06-12

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城市DSM的快速获取及其三维显示的研究
中国科学院 遥感应用研究所,北京 100101
摘要:

城市数字表面模型(DSM)作为城市的重要信息有着十分广泛的应用,机载三维成像可以快速获取DSM数据,而无需地面控制点。该文介绍了利用三维成像仪快速获取城市DSM图像的数据处理技术,阐述了基于城市DSM影像显示城市三维模型的原理,着重分析了显示城市DSM图像奇异表的方法和侧面处理思想。最后通过珠海、澳门地区飞行数据的处理和三维鸟瞰显示,说明了方法的可行性。

Fast Acquiring Urban DSM Image and Displaying 3D Image
Abstract:

As an important urban information, urban digital surface models (DSM) are widely used in many fields. Airborne 3D imager which is developed by the Institute of Remote Sensing Applications, Chinese Academy of Sciences can acquire DSM in quasi-real-time without any ground control points. The data processing technology to acquire urban DSM by 3D imager is presented in this paper. How to display urban DSM which is different from natural surface in 3D is discussed in detail. An example of data processing and 3D displaying of urban DSM is given at the end. According to the fly test the efficiency of 3D imager is several times higher than that of traditional methods to acquire urban DSM, and the method to display urban DSM in 3D is feasible.

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