然后介绍了介绍交通场景中运动车辆信息的获取方法，包括摄像机标定、车辆检测和定位、车辆跟踪方法。
Then it describes the method of getting information of moving cars from the real traffic scenes, including camera calibration, vehicle detection and location, vehicle tracking method.
本文首先研究了三维地图构建的前期算法，包括摄像机标定、立体视觉的匹配和高度数据获取等几个步骤。
The prophase algorithms of 3D map building were presented at first involved camera calibration, image rectification and stereo matching, depth data gaining and so on.
在论述了几种方式的人体运动捕捉的基础上，介绍了光学运动捕捉的关键技术，包括摄像机标定、标记点跟踪和三维重建技术。
On the basis of discussion of human body motion capture, the key techniques of optical motion capture are introduced, including camera calibration, marker tracking and 3d reconstruction.
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