Image processing apparatus and method

It is required to protect the copyrights and the like of partial images which form respective parts of an image obtained by reading an image, exchanged using a print as a medium, by an image scanner or the like. Input image data is divided into a plurality of image regions having different features,...

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Main Authors TAMARU JUN, ISHIDA YOSHIHIRO, KANEDA KITAHIRO, EGUCHI TAKAMI, IWAMURA KEIICHI, OHTA KEN-ICHI, KATO SHINICHI, HAYASHI JUNICHI
Format Patent
LanguageEnglish
Published 13.11.2003
Edition7
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Summary:It is required to protect the copyrights and the like of partial images which form respective parts of an image obtained by reading an image, exchanged using a print as a medium, by an image scanner or the like. Input image data is divided into a plurality of image regions having different features, digital watermarks, which are embedded in the detected image regions by embedding methods corresponding to the features of the image regions, are extracted, and the availability of the input image is checked on the basis of the extracted digital watermarks.
Bibliography:Application Number: US20030396489