Medical image watermarking : a study on image degradation

Birgit Planitz, Anthony Maeder, Brian Carrington Lovell, Anthony Maeder

    Research output: Chapter in Book / Conference PaperConference Paper

    Abstract

    ![CDATA[Digital watermarking has been proposed to increase medical image security, confidentiality and integrity. Medical image watermarking is a special subcategory of image watermarking in the sense that the images have special requirements. Particularly, watermarked medical images should not differ perceptually from their original counterparts, because the clinical reading of the images (e.g. for diagnosis) must not be affected. This paper presents a preliminary study on the degradation of medical images when embedded with different watermarks, using a variety of popular systems. Image quality is measured with a number of widely used metrics, which have been applied elsewhere in image processing. The general conclusion that arises the results is that typical watermark embedding can cause numeric and perceptual errors in an image. The greater the robustness of a watermark, the greater the errors are likely to be. Consequently medical image watermarking remains an open area for research, and it appears that a selection of different watermarks for different medical image types is the most appropriate solution to the generic problem.]]
    Original languageEnglish
    Title of host publicationProceedings of the Australian Pattern Recognition Society (APRS) Workshop on Digital Image Computing: WDIC 2005, Brisbane, Australia, 12 February 2005
    PublisherIEEE Society
    Number of pages6
    ISBN (Print)0958025533
    Publication statusPublished - 2005
    EventAPRS Workshop on Digital Image Computing -
    Duration: 1 Jan 2005 → …

    Conference

    ConferenceAPRS Workshop on Digital Image Computing
    Period1/01/05 → …

    Keywords

    • medical images Watermarking, medical images, medical imaging
    • digital images
    • watermarking
    • diagnostic imaging
    • errors
    • image quality

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