An optical projection system using the amplifying principle of optical projection is introduced.It can project a colour coding picture onto the surface of the measured material for 3D measurement.

• 文章介绍了一种应用光学投影放大原理的光学投影系统,使用此系统可以把彩色编码图投射到被测物体的表面,用于三维物体的测量。