3D deformation and shape measurement using phase-stepping DSPI

被引：0
|
作者：
Shiping He
机构：
来源：
ChineseJournalofLasers | 1992年 / 05期
关键词：
DSPI; phase-stepping; 3D deformation; surface shape; digital image processing;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new optical arrangement of phase-stepping digital speckle pattern interferom-etry is presented.The system can be used to measure 3D deformation and shape of a curvesurface simultaneously.The phase at each pixel can be determined by appling phase-steppingtechniques.This not only provides high accurate measurement results,but also permits auto-matic analysis of the experimental data.A speckled object reference beam is used,and itmakes the system has the advantage that the measurements are less sensitive to vibration andwhole body motion.
引用
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页码：79 / 86
页数：8
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