A simple and effective method for filtering speckle-interferometric phase fringe patterns

被引：217
|
作者：
Aebischer, HA [1 ]
Waldner, S [1 ]
机构：
[1] Swiss Fed Inst Technol, Inst Design & Construct Methods, CH-8092 Zurich, Switzerland
来源：
OPTICS COMMUNICATIONS | 1999年 / 162卷 / 4-6期
关键词：
phase fringe pattern; phase map; filter; speckle interferometry; holographic interferometry;
D O I：
10.1016/S0030-4018(99)00116-9
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have shown that a simple process such as multiple repetition of an anisotropic sine/cosine average filter produces the effect of an excellent automatic adaptive filter for filtering speckle-interferometric phase fringe patterns. On an exemplary shearographic measurement we have shown that this method clearly outperforms the best currently available filter algorithms, like the scale-space filter and the partially recursive filter. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：205 / 210
页数：6
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