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Real-time phase distribution analysis of fringe patterns
被引：7
作者：
Morimoto, Y
[1
]
Fujigaki, M
[1
]
机构：
[1] Wakayama Univ, Fac Syst Engn, Dept Optomech, Wakayama 6408510, Japan
来源：
INTERNATIONAL CONFERENCE ON APPLIED OPTICAL METROLOGY
|
1998年
/
3407卷
关键词：
phase;
real-time;
shape measurement;
grid projection;
interferometry;
scanning moire method;
fringe;
D O I：
10.1117/12.323330
中图分类号：
O43 [光学];
学科分类号：
070207 ;
0803 ;
摘要：
A phase-shifting scanning moire method and a phase-difference scanning moire method are developed by the authors. They provide smooth equal-height contours and equal-displacement contours, respectively, in real-time. A phase-shifting method using correlation with rectangular is also developed. It uses the correlation of the rectangular brightness of a projected grid and two rectangular functions to determine a phase. It can provide accurate phase distributions in real-time.
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页码：34 / 39
页数：6
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