投影栅相位法是检测三维曲面形体几何尺寸的较为有效的光学手段。
Phase detection of projected grating is an effective method which can be used to measure the shape of a 3 D object.
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。
An improved non-contact optical measuring method, projected fringe profilometry, is proposed to realize the 3-d structure measurement of high reflective surfaces.
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