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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    Title :

    A DSP-based real time contour tracking system


    Contributors:
    Gemignani, V. (author) / Provvedi, S. (author) / Demi, M. (author) / Paterni, M. (author) / Benassi, A. (author)


    Publication date :

    1999-01-01


    Size :

    215451 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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