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4. Z. Ge, F. Kobayashi, S. Matsuda, and M. Takeda; ''Coordinate-transform technique for closed-fringe analysis by the Fourier-transform method'', 2001.
4. Z. Ge, F. Kobayashi, S. Matsuda, and M. Takeda; ''Coordinate-transform technique for closed-fringe analysis by the Fourier-transform method'', 2001.
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5. M. Servin, J. Marroquin, and F. Cuevas; ''Demodulation of a single interferogram by use of a two-dimensional regularized phase-tracking technique'', 1997.
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6. M. Servin, J. Marroquin, and F. Cuevas; ''Fringe-follower regularized phase tracker for demodulation of closed-fringe interferograms'', 2001.