Acta Photonica Sinica, Volume. 34, Issue 8, 1257(2005)

A Novel Approach for Phase Demodulation from a Single Fringe Pattern

[in Chinese]1... [in Chinese]1 and [in Chinese]2 |Show fewer author(s)
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    A new technique for phase demodulation from a single fringe-pattern image is presented in this paper. The method locates the extremes of fringes′ intensity distribution,and converts the intermediate gray-values into values between -1 and 1 using linear interpolation. Based on the extremes map,a wrapped phase distribution is demodulated from a single fringe-pattern and the phase values are computed by using an arcos mode rather than the traditional atan2 mode.Through the new method, wrapped phase values can be efficiently extracted from a singgle fringe-pattern without the need of carrier fringers.......

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    [in Chinese], [in Chinese], [in Chinese]. A Novel Approach for Phase Demodulation from a Single Fringe Pattern[J]. Acta Photonica Sinica, 2005, 34(8): 1257

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    Received: Jun. 11, 2004

    Accepted: --

    Published Online: Jun. 12, 2006

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