Abstract
In the process of extracting information from the moiré fringes, phase information extraction is one of the crucial means. In this paper, Gabor wavelet transform method is proposed to extract phase information of moiré fringes. First, the light intensity of first-ordered moiré fringe is selected to derive the phase based on the Gabor wavelet transform method. Then, to prove that our method is feasible, three flow fields are adopted for experiment, whose phase information is successfully extracted. Finally, the phase information results above are compared with those extracted by Fourier transform method, which proves that the Gabor wavelet transform method has an advantage in reducing noise. In a word, the results provide an effective means for the image processing of moiré fringes.
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Acknowledgements
This work was funded by the National Natural Science Foundation of China (Grant No. 61975083), and the research, innovation plan for Postgraduates for Jiangsu Province (No. KYCX21_0986), and the Innovation and Entrepreneurship Training Program for College Students of Jiangsu Province (Grant No. 202110300038Z).
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Chen, Yy., Chen, Yy., Cheng, Wh. et al. Extraction information of moiré fringes based on Gabor wavelet. Opt Rev 29, 197–206 (2022). https://doi.org/10.1007/s10043-022-00736-1
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DOI: https://doi.org/10.1007/s10043-022-00736-1