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Digital Watermarks

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  • Stephen M
    replied
    An interesting side note on security graphics can be found here (from the famous Xerox/PARC research centre):

    http://www.parc.com/solutions/dataglyphs/

    Regards,

    Stephen Marsh.

    Leave a comment:


  • jeaniesa
    replied
    Thanks for the link Margaret.

    I looked into digital watermarks during the discussion we had on how to protect images. I was disappointed to discover that if a filter (just about any filter) is run on a digitally watermarked image, it essentially disables the watermark. Cropping a little bit keeps it, cropping a lot disables it.

    Bottom line, the digital watermark helps you track in image that is copied as is. But, if someone wants to make "photo-art" from it and claim it as their own, it is pretty much impossible to track that.

    Jeanie

    Leave a comment:


  • winwintoo
    started a topic Digital Watermarks

    Digital Watermarks

    I stumbled across this site this morning and thought it might be of interest:

    Digimarc

    I don't know anything about it except what is available on the site.

    Margaret

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