Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.optcom.2010.09.010
Title: Phase retrieval in DSSI for relatively large deformation
Authors: Niu, H.
Quan, C. 
Tay, C.J. 
Bhaduri, B. 
Keywords: Digital speckle shearing interferometry (DSSI)
Phase retrieval
Phase shifting
Windowed Fourier filtering (WFF)
Issue Date: 1-Jan-2011
Source: Niu, H., Quan, C., Tay, C.J., Bhaduri, B. (2011-01-01). Phase retrieval in DSSI for relatively large deformation. Optics Communications 284 (1) : 118-122. ScholarBank@NUS Repository. https://doi.org/10.1016/j.optcom.2010.09.010
Abstract: Methods for phase retrieval in digital speckle shearing interferometry (DSSI) with relatively large deformation are proposed using a single wavelength illumination with windowed Fourier filtering (WFF) and two-wavelength simultaneous illumination with iterative sine-cosine average filtering (ISCAF). For relatively large deformation measurement, WFF technique has a higher noise suppression capability than ISCAF technique but requires careful selection of the processing parameters, while ISCAF is a simple filtering with less parameter setting. Both methods for phase retrieval are discussed. Experimental results show that both methods are capable of noise suppression in the phase retrieval for relatively large deformation. © 2010 Elsevier B.V. All rights reserved.
Source Title: Optics Communications
URI: http://scholarbank.nus.edu.sg/handle/10635/61094
ISSN: 00304018
DOI: 10.1016/j.optcom.2010.09.010
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