Traditional Fourier Descriptor suffers the drawback of being sensitive to translation, rotation and scale transform. This paper presents a new method of shape representation, Polygon Fourier Descriptor (PFD), which can achieve the invariance on translation, rotation and scale transform naturally and without need of a process of normalization. By applying polygonal approximation to the contour firstly, the contour can be represented more efficiently. Moreover, PFD is robust enough to represent the contour even if some transformations happened to it. Finally, we apply PFD to the recognition of static gestures and obtain satisfying results.


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    Titel :

    A New Invariant Descriptor For Shape Representation And Recognition


    Beteiligte:
    Wang, Xiying (Autor:in) / Dai, Guozhong (Autor:in)


    Erscheinungsdatum :

    01.04.2007


    Format / Umfang :

    316913 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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