Wavelet transform method for phase demodulation of carrier fringe pattern

Jingang Zhong; Fang Qu

doi:10.1117/12.570903

10 February 2005 Wavelet transform method for phase demodulation of carrier fringe pattern

Jingang Zhong, Fang Qu

Proceedings Volume 5638, Optical Design and Testing II; (2005) https://doi.org/10.1117/12.570903
Event: Photonics Asia, 2004, Beijing, China

Abstract

A new method for analyzing the phase distributions of carrier fringe pattern has been presented. The discontinuities and spurious data has been and still is a cumbersome concern, it is hard to reconstruct the phase by phase demodulation based on phase gradients. The approach that we here introduce to solving this problem is to utilize Gabor transform, a tool excelling for its multiresolution in space-frequency domain, to analyze the phase distributions. The experimental results demonstrate the validity of the proposed method.

Citation Download Citation

Jingang Zhong and Fang Qu "Wavelet transform method for phase demodulation of carrier fringe pattern", Proc. SPIE 5638, Optical Design and Testing II, (10 February 2005); https://doi.org/10.1117/12.570903

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