Phase unwrapping program

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Magnet Resonan Med 82 6 — Optics Exp 27 10 — Optics Lasers Eng — International Society for Optics and Photonics. Appl Opt 59 13 :D81—D Appl Opt 58 14 — Adv Opt Photon 7 3 — Dongyu Li, Zhenghe Zhang, Zan Huang, Xiaohui Wang, Zihua Zhang, Zhen Huang Self-mixing interference vibration measurement based on even equivalent wavelength fourier transform algorithm under weak feedback regime.

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Appl Opt 51 21 — Merlo S, Donati S Reconstruction of displacement waveforms with a single-channel laser-diode feedback interferometer. Appl Opt 50 26 — Bernal OD, Zabit U, Bosch T Study of laser feedback phase under self-mixing leading to improved phase unwrapping for vibration sensing.

Yufeng Tao, Ming Wang, Dongmei Guo Compound cavity theory of resonant phase modulation in laser self-mixing ultrasonic vibration measurement.

Opt Eng 55 7 Opt Exp 18 11 — Zihua Zhang, Chengwei Li, Zhen Huang Vibration measurement based on multiple hilbert transform for self-mixing interferometry. Optics Commun — Xiufang Wang, Ye Yuan, Sun Luqing, Bingkun Gao, Peng Chen Self-mixing interference displacement measurement under very weak feedback regime based on integral reconstruction method. Opt Commun — Vibhor Kumar Bhardwaj and Surita Maini Measurement of micro-harmonic vibration from optical feedback interferometry using wavelet trend analysis.

But the available adjacent points in one-dimensional phase unwrapping are very limited. A two-step one-dimensional phase unwrapping algorithm is proposed in this work to combat the above problems. In the first step, the one-dimensional phase is encoded into two-dimensional array based on the quasi-Gramian matrix, and in the second step the deep convolutional neural network DCNN is adopted for phase unwrapping.

Both simulation and actual experiment results show that the unwrapped phase quality by using our method obviously outperforms the traditional methods with the signal-to-noise ratio SNR of lower than 4 dB, and it can still work stably even for negative SNR. You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only.

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The topics in this list come from the Optics and Photonics Topics applied to this article. Abstract A robust phase unwrapping algorithm based on a rank information filter is proposed to retrieve the unambiguous unwrapped phase from noisy wrapped phase images.

Unscented information filtering phase unwrapping algorithm for interferometric fringe patterns Xianming Xie and Gaoxing Dai Appl. Efficient phase unwrapping algorithm based on cubature information particle filter applied to unwrap noisy continuous phase maps Xianming Xie, Qingning Zeng, Kefei Liao, and Qinghua Liu Opt.

Iterated unscented Kalman filter for phase unwrapping of interferometric fringes Xianming Xie Opt. View More Enhanced phase unwrapping algorithm based on unscented Kalman filter, enhanced phase gradient estimator, and path-following strategy XianMing Xie and YingHui Li Appl.

Efficient and robust phase unwrapping algorithm based on unscented Kalman filter, the strategy of quantizing paths-guided map, and pixel classification strategy Xian Ming Xie and Qing Ning Zeng Appl. Previous Article Next Article. References You do not have subscription access to this journal.