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So the real-time image apperception is a crucial role in mobile robot navigation technique.

图像信息具有信息丰富、对场景描述全面的特点，是移动机器人感知环境的重要来源。

With this easy-to-use applet development tool, you can create a professional navigation system just in minutes!

与此易於使用的Applet的开发工具，您可以创建一个专业的导航系统只是在分钟！

From the application point of view, car navigation systems can be divided into two categories.

从应用的角度，汽车导航系统可分为两类。

The system gets two image of one object with two CCD, thus obtains depth from two CCD"s parallax. After investigating the operation spot and discussing with surgeons we use LED as markers, and get the marker"s 3-D position with a non-contact optics orientation method. After calibrating the CCD, processing the image, the system can figure out marker"s areal coordinates, get marker"s 3-D coordinate in dummy world coordinate system, thereby obtain instruments 3-D position and orientation. After the coordinate transformation and a series of orientation calculation, operation navigation comes true.

运用两个摄像机对同一目标从不同位置成像，进而从视差中恢复距离；通过对手术现场的仔细了解与手术医师的反复商榷，使用LED作为标志点，利用非接触式光学定位方法提取空间点位置信息：通过对摄像机的标定、图像处理及目标点重心的计算，求出空间点在虚拟世界坐标系下的三维坐标，从而确定了手术器械等的空间位姿，通过空间坐标转换及一系列定位计算，完成了手术导航实验系统。

It is necessary for aeronautics, petroleum artesian well, robot control, GPS navigation systems to calculate position and deduce orientation of objectives.

在航空航天、石油钻井、机器人控制、GPS导航等系统中都需要进行位置推算，确定载体的方位、姿态等参数。

The purpose of the present study was to compare subtalar arthrodesis with and without computer navigation in a cadaver model.

此研究的目的是：在尸体模型上，比较计算机辅助下距下关节融合与无计算机辅助条件下距下关节融合的效果。

Navigation has been used in an effort to increase the accuracy and consistency of hip arthroplasty component position.

导航技术应用的目的是增加髋关节置换假体位置的精确性和一致性。

Anything else. As an example he shows me an astrolabe, a navigation tool that preceded the sextant.

他找了一个例本，向我出示了一个星盘，是一个比六分仪还早的航海工具。

As an example he shows me an astrolabe, a navigation tool that preceded the sextant.

他带我看的其中一样是星盘，这是一种比六分仪出现年代还要早的航海工具，目前存世的仅有少数几件。

As the astronomic navigation developing, the hardware and software in star sensor is improved very quickly.

随着天文导航技术不断进步，星敏感器的硬件和软件技术得到了迅速的发展。

This brought fixed cost, but it also is meant at the same time use a source to won't make you singlehanded assume a problem.

这带来了一定的成本，但它同时也意味着使用开源不会让你独力承担问题。

He gained a small fortune in real estate.

他在房地产上发了一笔小财。