SURFACE CONTOURING BY A NEW-TYPE OF DIGITAL MOIRE TECHNIQUE

被引：0
|
作者：
PENG, X
GAO, Z
ZHOU, SM
机构：
来源：
OPTIK | 1995年 / 100卷 / 02期
关键词：
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A new digital moire contouring technique is proposed. The technique is based on the demodulation of the generalised carrier fringe pattern using the spatial carrier phase-stepping algorithm combined with computer-generated mask to extract desired 3-D surface contouring information which is encoded in the phase distribution of perturbed projection grating. Parallel phase shifts are introduced simultaneously and only one deformed grating image and a reference grating image are acquired to perform quantitative fringe analysis. Experimental results verify the theoretical analysis.
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页码：63 / 67
页数：5
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