Improved Carrier Frequency-Shifting Algorithm Based on 2-FFT for Phase Wrap Reduction

Figure 11

(a) One of the deformed fringe patterns, (b) wrapped phase image, (c) resultant phase using the conventional FFT frequency shift method (2D), (d) 3D image of the resultant phase, (e) phase image after removing the high frequency, (f) resultant phase using the proposed method, and (g) 3D image of the resultant phase.

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