Generalized Morse wavelets for the phase evaluation of projected fringe pattern

被引：5

作者：

Kocahan, Ozlem Yilmaz ^{[1
]}

Coskun, Emre ^{[2
]}

Ozder, Serhat ^{[2
]}

机构：

[1] Namik Kemal Univ, Dept Phys, TR-59030 Tekirdag, Turkey

[2] Canakkale Onsekiz Mart Univ, Dept Phys, TR-17100 Canakkale, Turkey

来源：

MEASUREMENT SCIENCE AND TECHNOLOGY | 2014年 / 25卷 / 10期

关键词：

wavelet transforms; fringe analysis; phase measurement; FOURIER-TRANSFORM PROFILOMETRY; ANALYTIC WAVELETS; DISPERSION;

D O I：

10.1088/0957-0233/25/10/105701

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Generalized Morse wavelets are proposed to evaluate the phase information from projected fringe pattern with the spatial carrier frequency in the x direction. The height profile of the object is determined through the phase change distribution by using the phase of the continuous wavelet transform. The choice of an appropriate mother wavelet is an important step for the calculation of phase. As a mother wavelet, zero order generalized Morse wavelet is chosen because of the flexible spatial and frequency localization property, and it is exactly analytic. Experimental results for the Morlet and Paul wavelets are compared with the results of generalized Morse wavelets analysis.

引用

页数：6

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