Y Xu, Q Shen, W Jin, G Peng, L Chen, Y Wang… - Optics and Lasers in …, 2020 - Elsevier
… The aforementioned methods are more efficient, but they rely on the special phase shifts to separate the interference information of a single wavelength. To avoid the use of special …
S Amin - Optics & Laser Technology, 2022 - Elsevier
… [24] proposed a highly accurate method known as the phase … The first processing step is rough phaseretrieval, and 2nd … SMI signal fringes due to constructive/destructive interference of …
P Xu, J Liu, W Zhang, S Shan, J Wang, M Shao… - Precision …, 2023 - Elsevier
… acousto-optical deflector can make the Fizeau interferencefringes move at a rate of 20 kHz. … by using our proposed Hilberttransform-based phaseretrieval method to find the wrapped …
… the interferencefringepattern with higher noise levels similar to the Hilberttransform methods. … algorithms also incorporate capabilities for absolute phaserecovery and temporal phase …
Y Zhao, J Li, M Zhang, Y Zhao, J Zou… - Chinese Optics Letters, 2023 - opg.optica.org
… phase variation on particle size is investigated. Second, for effective noise elimination and phaseretrieval, continuous wavelet transform (… for extra signal interferencefringes. Compared …
H Zhang, H Zhao, J Zhao, Z Zhao… - … Systems for Industrial …, 2019 - spiedigitallibrary.org
… , this paper proposes to combine the Hilbert-Huang transform (HHT) pre-filtering method with … complex fringes, the HHT-EVI algorithm can guarantee excellent phaseretrieval accuracy. …
Y Xu, Y Liang, Y Zou, Q Shen, S Xue, Y Wang… - Applied Optics, 2021 - opg.optica.org
… phase-shifting interferometry, a method using the Hilberttransform (HT) for fast phaseretrieval … be applied to off-axis interferencefringes, not on-axis closed fringes. Because of that, the …
T Zhang, J Shen, S Wu - Computers, Materials & Continua, 2021 - cdn.techscience.cn
… Hilberttransformrecovery is good, and there is no need to introduce auxiliary images for processing, but in the Hilberttransformfringe … error, and ambient light interference, the extracted …
Y Wan, Y Cao, M Xu, T Tang - Optics Express, 2023 - opg.optica.org
… patterns were fused by choosing the brightest but unsaturated point pixel-by-pixel for phase retrieval. This method is easy to implement, but it is difficult to choose the exposure time so …