Wavelet description of dynamic speckle:: application to the assessment of the drying of paint

被引：1
|
作者：
Limia, MF [1 ]
Núñez, AM [1 ]
Rabal, H [1 ]
Trivi, M [1 ]
机构：
[1] Inst Superior Politecn Jose A Echeverria, Dpto Fis, Fac Ingn Elect, Havana, Cuba
来源：
4TH IBEROAMERICAN MEETING ON OPTICS AND 7TH LATIN AMERICAN MEETING ON OPTICS, LASERS, AND THEIR APPLICATIONS | 2001年 / 4419卷
关键词：
wavelets; dynamic speckle; paint drying;
D O I：
10.1117/12.437236
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A methodology to dynamic speckle analysis by using the wavelet transform (WT) is developed. The optimal texture descriptors are determined. The time evolution of the speckle patterns is described through the behavior of the Mahalanobis distance. From the behavior of this distance function, two parameters are defined that characterize the evolution. An example devoted to the drying of paint assessment is presented.
引用
收藏
页码：178 / 181
页数：2
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