An improved non-contact optical measuring method, projectedfringe profilometry, is proposed to realize the 3-d structure measurement of high reflective surfaces.
为了实现强反射表面三维形貌的光学非接触测量，提出一种改进的投影栅相位法。
2
Based on the principle of demodulating the displacement of the projected fringes with digital image correlation method, a micro fringe projection correlation method is proposed.
基于数字图像相关法解调被物体高度调制的投影栅线平移量的原理，提出了显微栅线投影相关法的概念。
3
Camera is calibrated by calibration target which is built by 2 - dimensional sinusoidal fringe having been projected on the computer screen.