In this paper, the method of recognition and superposition of sub-pixel shifting in digital holograms is investigated. A group of non-scanning holograms is recognized and superposed by using sub-pixel shifting algorithm. Further, spatio-temporal scanning holograms with sub-pixel displacement are recognized and superposed to further improve imaging resolution by combining spatio-temporal scanning digital holography with sub-pixel shifting algorithm. The experimental results verify the feasibility of improving resolution with sub-pixel displacement.


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    Title :

    Resolution characteristics in scanning digital holography with sub-pixel shifting reconstruction imaging


    Contributors:
    Jia, Yanyan (author) / Cui, Yutong (author) / Han, Fenglin (author) / Qin, Rikang (author) / Jiang, Zhuqing (author)

    Conference:

    Holography, Diffractive Optics, and Applications VIII ; 2018 ; Beijing,China


    Published in:

    Proc. SPIE ; 10818


    Publication date :

    2018-11-02





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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