In this paper the real-time implementation of an automatic contour tracking procedure is presented. If a rough contour of the desired structure is available on the first frame of a sequence, the contours on the subsequent frames are automatically outlined. The mass center of the first-order absolute moment operator is used to locate the contour of interest on every frame. The contour tracking procedure was implemented on an integrated software/hardware environment based on the interaction of a PC and a DSP processor (TMS320C80). Standard PAL images at 25 frame/s were used as an input signal; the contour was computed in real time and was then drawn on the images and displayed on a VGA monitor. The results are illustrated both on clinical images recorded on a SVHS videocassette and on images of a test object acquired by means of a video camera.


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    Titel :

    A DSP-based real time contour tracking system


    Beteiligte:
    Gemignani, V. (Autor:in) / Provvedi, S. (Autor:in) / Demi, M. (Autor:in) / Paterni, M. (Autor:in) / Benassi, A. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    215451 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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