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基于小波脊的自适应傅里叶变换包裹相位滤波技术

Journal of Hubei University of Automotive Technology(2017)

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Abstract
应用小波变换法提取变形条纹小波脊的相位信息并获得全场包裹相位,并采用窗口傅立叶变换对包裹相位图进行滤波.在滤波过程中,通过调节小波脊参数来调整滤波窗口的大小,使窗口大小与变形条纹频率相匹配,从而提高包裹相位图滤波的效率和质量,获得较高质量的包裹相位图.实验结果表明:本方法有效提高了条纹图解包质量和效率,获得了较高的测量精度.
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