Approach for the evaluation of Speckle deformation measurements by application of the wavelet transformation

Elke Berger; Wolfgang von der Linden; Volker Dose

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Approach for the evaluation of Speckle deformation measurements by application of the wavelet transformation

机译：应用小波变换评估斑点变形的方法

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We introduce a new, to our knowledge, method using wavelets and probability theory for the evaluation of speckle interference patterns for quantitative out-of-plane deformation measurements of rough surfaces of nontransparent solids. The experiment uses a conventional Twyman-Green interferometer setup. The speckle interference patterns are obtained by the common method of subtraction of images taken before and after a surface deformation. The data are processed by a wavelet transformation, which analyzes the image structures on different length scales. Thus it is possible to separate the interference fringes from the noise. From the locations of the interference fringes, the deformation of the surface can be reconstructed by means of probability theory.#1997 Optical Society of America

机译：我们向我们介绍了一种使用小波和概率论的新方法，用于评估斑点干涉图样，以对非透明固体的粗糙表面进行定量平面外变形测量。该实验使用传统的Twyman-Green干涉仪设置。斑点干涉图样是通过减去在表面变形之前和之后拍摄的图像的常用方法获得的。数据通过小波变换处理，该变换分析了不同长度比例的图像结构。因此，可以将干扰条纹与噪声分离。从干涉条纹的位置，可以通过概率论重建表面的变形。＃1997美国光学学会

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《Applied optics》 |1997年第30期|共6页
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Elke Berger; Wolfgang von der Linden; Volker Dose;
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中图分类光学;
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1. Approach for the evaluation of Speckle deformation measurements by application of the wavelet transformation [J] . Elke Berger, Wolfgang von der Linden, Volker Dose Applied optics . 1997,第29a30期

机译：应用小波变换评估斑点变形的方法
2. Measurement of out-of-plane static and dynamic deformations by processing digital speckle pattern interferometry fringes using wavelet transform [J] . Rajesh Kumar, I.P. Singh, Chandra Shakher Optics and Lasers in Engineering . 2004,第1期

机译：通过使用小波变换处理数字散斑图干涉条纹来测量平面外静态和动态变形
3. Speckle correlation fringes denoising using stationary wavelet transform. Application in the wavelet phase evaluation technique [J] . Barj EM, Afifi M, Idrissi AA, Optics & Laser Technology . 2006,第7期

机译：使用平稳小波变换对散斑相关条纹进行去噪。在小波相位评估技术中的应用
4. Applications of speckle metrology to vibration and deformation measurements of electronic devices [C] . Jin, G.C., Yao, . 2000

机译：散斑计量学在电子设备振动和变形测量中的应用
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机译：信息 - 变形图像变换的理论方法及其在脑图像分割中的应用

Approach for the evaluation of Speckle deformation measurements by application of the wavelet transformation

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