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- W2348074717 abstract "Phase shift is used to phase demodulation in 3D measurements because of its high precision and simple computation, but it has some disadvantages, such as capturing many frames images, error of shifter. A novel technique of combination with wavelet transforms and Hilbert transform is introduced. The background components are removed by wavelet transform, 90-degree phase shift is obtained by Hilbert transform, the phase demodulation is finished by phase shift theory. Only capturing one frame image is needed. The result of 3D experimental measurement is provided. The result shows that the new technique is reasonable. The simulated experiments are studied with this method and traditional phase-shift method, the result shows that this method has better accuracy." @default.
- W2348074717 created "2016-06-24" @default.
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- W2348074717 date "2004-01-01" @default.
- W2348074717 modified "2023-09-25" @default.
- W2348074717 title "A kind of calibration algorithm of phase-shifting based on Hilbert transform" @default.
- W2348074717 hasPublicationYear "2004" @default.
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