Please use this identifier to cite or link to this item: https://doi.org/10.1364/AO.44.004814
Title: Phase extraction from a single fringe pattern based on guidance of an extreme map
Authors: Quan, C. 
Tay, C.J. 
Yang, F.
He, X.
Issue Date: 10-Aug-2005
Source: Quan, C., Tay, C.J., Yang, F., He, X. (2005-08-10). Phase extraction from a single fringe pattern based on guidance of an extreme map. Applied Optics 44 (23) : 4814-4821. ScholarBank@NUS Repository. https://doi.org/10.1364/AO.44.004814
Abstract: A method for automatic phase extraction from a single fringe pattern based on the guidance of an extreme map is introduced. The method uses an adaptive weighted filter to reduce noise and enhance contrast and to locate the fringe extremes. Wrapped phase values are calculated by use of an arccosine function obtained from the extreme map. With this method, wrapped phase values can be efficiently demodulated from a single fringe pattern without the need for assigning fringe order or interpolating fractional fringe order. The validity of the method is demonstrated by use of closed-fringe patterns generated by digital speckle interferometry. © 2005 Optical Society of America.
Source Title: Applied Optics
URI: http://scholarbank.nus.edu.sg/handle/10635/61089
ISSN: 00036935
DOI: 10.1364/AO.44.004814
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