Camera a Point Object 摄像机配合点物体
At this point the empty object should contain both versions of the mesh, and "know" which mesh to show depending on how far away the camera is.
此时，空对象应包含两个版本的网格，“知道”网格取决于相机远离程度显示不同的版本。
In this paper, a TV camera and a 3-D teaching device with four LEDs attached to measured Point on the object are employed to acquire the 3-D information of the measured point.
本文采用单摄像机与3-D示教器（由四个LED构成）组成的仿真三维视觉传感装置来完成空间坐标系中物体的空间位置和姿态的测量。
It lets you point your mobile device's camera at a sign, book or other object with text on it and watch as that text is automatically translated into the language of your choice.
它可以通过手机相机识别某一标识、书籍或者其他物体上的文本，并自动将其翻译成选择的语言。
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