The coordinate system, for 2-d graphics, is shown in Figure 2.
2 - D图形的坐标系如图2所示。
A light-pen single camera 3-D coordinate vision measurement system is proposed in this paper.
提出了一种光笔式单摄像机三维坐标视觉测量系统，其主要由光笔、摄像机和笔记本电脑组成。
A light-pen single camera 3-D coordinate vision measurement system is proposed in this paper.
提出了一种光笔式单摄像机三维坐标视觉测量系统，其主要由光笔、摄像机和笔记本电脑组成。
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