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Recent progress in two-dimensional continuous wavelet transform technique for fringe pattern analysis
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DOI：10.1016/j.optlaseng.2012.01.029.png)
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Abstract
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The two-dimensional continuous wavelet transform (2D-CWT) technique for fringe pattern analysis has recently drawn considerable attentions because of its superior characteristics over other fringe analysis techniques. However, the conventional 2D-CWT technique has a few shortcomings that have restricted its applications. In this paper, a few important advances to cope with the limitations of the 2D-CWT technique are presented. With these advances, the 2D-CWT technique is capable of accurately, quickly and automatically analyzing fringe patterns that contain complex fringes as well as noise and defects. (C) 2012 Elsevier Ltd. All rights reserved.
Keywords:
Two-dimensional continuous wavelet transform
Fringe pattern
Phase extraction
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