Journal
OPTICS AND LASER TECHNOLOGY
Volume 37, Issue 6, Pages 458-462Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2004.07.007
Keywords
phase unwrapping; windowed Fourier transform; noise filtering; optical interferometry
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Phase unwrapping is an interesting yet challenging problem in optical interferometry. In this paper, we limit our interest to unwrapping noisy phase maps as it is a common but difficult task. Our aim is to propose a simple solution to phase unwrapping. We first remove the noise by a novel windowed Fourier transform approach and then use sequential line scanning method for phase unwrapping. This simple approach is verified to be very effective. (c) 2004 Elsevier Ltd. All rights reserved.
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