The determination of the appropriate sampling rate for image data is often problematic because the traditional band-limited reconstruction approach for data sampled above the Nyquist frequency cannot be applied to sources which are not band-limited. High contrast edges play an important role in image content definition, and these sharp edges in an image source would theoretically require an unbounded spatial frequency range. The paper presents a theoretical argument supported by several examples for selecting a different minimum sampling frequency for grey scale and binary image acquisition. Implications with respect to image acquisition, image processing, and image compression are discussed.<>


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    Titel :

    A comparison of resolution requirements for boundary estimation from binary and grey scale images


    Beteiligte:
    Wood, S.L. (Autor:in)


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    544885 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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