This paper presents region of interest (ROI) coding of volumetric medical images with the region itself being three dimensional. An extension to 3D-SPIHT which allows 3D ROI coding is proposed. ROI coding enables faster reconstruction of diagnostically useful regions in volumetric datasets by assigning higher priority to them in the bitstream. It also introduces the possibility for increased compression performance, by allowing certain parts of the volume to be coded in a lossy manner while others are coded losslessly. Results presented highlight the benefits of the ROI extension. Additionally, a visualisation specific ROI coding case is examined. Results show the advantages of ROI coding in terms of the quality of the visualised decoded volume.


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    Titel :

    ROI coding of volumetric medical images with application to visualisation


    Beteiligte:
    Agrafiotis, D. (Autor:in) / Bull, D.R. (Autor:in) / Canagarajah, N. (Autor:in)


    Erscheinungsdatum :

    01.01.2003


    Format / Umfang :

    485416 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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