Spatial data model is the core and base of three dimensional geographic information system design.
空间数据模型是地理信息系统设计的核心和基础。
In the first part, a measuring system of three-dimensional motions of spine was established with computer stereovision model.
本研究分两部分，第一部分以计算机立体视觉为模型建立脊柱三维运动测量系统。
Finally we introduce three-dimensional imaging system, three-dimensional reconstruction method and model that we have adopted, and the problem about image matching in the three-dimensional vision.
最后介绍了本系统所采用的立体成像方式、三维重建方法和模型，以及立体视觉中的图像匹配的问题。
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