Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.optlaseng.2008.10.005
Title: Phase retrieval of speckle fringe pattern with carriers using 2D wavelet transform
Authors: Niu, H.
Quan, C. 
Tay, C.J. 
Keywords: 2D Wavelet transform
Fringe filtering
Phase retrieval
Speckle fringe pattern
Issue Date: Dec-2009
Source: Niu, H., Quan, C., Tay, C.J. (2009-12). Phase retrieval of speckle fringe pattern with carriers using 2D wavelet transform. Optics and Lasers in Engineering 47 (12) : 1334-1339. ScholarBank@NUS Repository. https://doi.org/10.1016/j.optlaseng.2008.10.005
Abstract: A novel two-dimensional (2D) Gabor continuous wavelet transform (CWT) for phase retrieval and fringe filtering of speckle fringe patterns with spatial carriers is proposed. Theoretical analysis of 2D Gabor CWT is presented and results are compared with advanced fan 2D CWT using both the computer simulated and experimental speckle fringe patterns. It is shown that noise reduction by 2D Gabor CWT demonstrates better results than that of the advanced fan 2D CWT. Two-dimensional Gabor CWT is also compared with 2D Fourier transform and results show that 2D Gabor CWT algorithm has better noise immunity. © 2008 Elsevier Ltd. All rights reserved.
Source Title: Optics and Lasers in Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/61096
ISSN: 01438166
DOI: 10.1016/j.optlaseng.2008.10.005
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