In this paper, a new 2D shape multiscale triangle-area representation (MTAR) is proposed. This representation utilizes a simple geometric principle, the area of a triangle, in obtaining a robust and efficient shape representation. The use of the wavelet transform for decomposing the boundary of the shapes improves the efficiency and robustness of the representation. The MTAR is more robust to the affine transformation, less affected by noise, and more selective than similar methods, e.g., the curvature scale-space CSS. Two tests, using MPEG-7 CE-shape-1 database, show that MTAR achieves better performance than the CSS under affine transformation and in the general shape retrieval.


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    Titel :

    Robust multiscale triangle-area representation for 2D shapes


    Beteiligte:
    El Rube, I. (Autor:in) / Alajlan, N. (Autor:in) / Kamel, M. (Autor:in) / Ahmed, M. (Autor:in) / Freeman, G. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    123831 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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