Dual-path Phase Unwrapping Algorithm Based on Geodesic Curvature for Interferometric Fringe Analysis

被引：0
|
作者：
Ohgan Kim
Bong Ju Lee
Hyug-Gyo Rhee
Yun-Woo Lee
Ho-Soon Yang
机构：
[1] Handong Global University,Department of Advanced Green Energy and Environment
[2] Korea Research Institute of Standards and Science,Space Optics Team, Advanced Instrumentation Institute
[3] University of Science and Technology,Science of Measurement
来源：
Journal of the Korean Physical Society | 2020年 / 76卷
关键词：
Phase unwrapping algorithm; Phase retrieval; Interferometry; Fringe analysis;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present a path-dependent phase unwrapping algorithm with the dual-path scheme. The proposed algorithm removes the inconsistency between the true phase and its wrapped phase by rolling up a 1D wrapped phase array around a cylindrical surface. The dual-path scheme entails phase unwrapping by using two different paths linked from an arbitrary position to other points in 2D wrapped phase images. The proposed algorithm is confirmed to be as fast as the UNWRAP in MATLAB, and its noise resistance is comparable to that of the conventional algorithms up to a signal-to-noise ratio (SNR) of 6 dB.
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页码：202 / 209
页数：7
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