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Title: The use of carrier fringes and FFT in holographic nondestructive testing
Authors: Quan, C. 
Tay, C.J. 
Shang, H.M. 
Issue Date: Jul-2001
Citation: Quan, C.,Tay, C.J.,Shang, H.M. (2001-07). The use of carrier fringes and FFT in holographic nondestructive testing. Experimental Techniques 25 (4) : 35-38. ScholarBank@NUS Repository.
Abstract: The carrier fringe technique for holographic interferometry was discussed. The use of fast Fourier transforms (FFT) in the method enabled phase measurement from fringe patterns caused due to interference of tilted wavefronts. The FFT approach was used to extract deformation information automatically from complex interferograms and was shown to have considerable potential for solving images in its ability to extract data in the presence of pixel noise.
Source Title: Experimental Techniques
ISSN: 07328818
Appears in Collections:Staff Publications

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