Qian Kemao
The International Conference on Computational & Experimental Engineering and Sciences, Vol.18, No.1, pp. 19-20, 2011, DOI:10.3970/icces.2011.018.019
Abstract When a fringe pattern is obtained, it needs to be analyzed in order to extract the
desired information. In this talk, we are going to introduce some fringe pattern
analysis techniques that we proposed recently, such as windowed Fourier transform (WFT) [1], coherence enhancing diffusion (CED) [2], and frequency-guided
sequential demodulation (FSD) [3]. Some results, along with discussions, are given
for the following cases:
1. Filtering one fringe pattern
2. Phase retrieval from one closed fringe pattern
3. Phase retrieval from one carrier fringe pattern
4. Phase shift retrieval from two fringe patterns
5. Phase retrieval from a More >
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