Periodic or symmetric extensions are commonly used for processing images and other finite-length signals with a paraunitary filter bank (PUFB). Unlike infinite-length signals, PUFBs applied to finite-length signals will not necessarily lead to an orthogonal system. The authors show that for symmetric extensions, orthogonality is only possible for special PUFBs based on linear-phase filters. They also discuss implementation issues.<>


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    Titel :

    On symmetric extensions orthogonal transforms of images, and paraunitary filter banks


    Beteiligte:
    de Queiroz, R.L. (Autor:in) / Rao, K.R. (Autor:in)


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    423350 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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