| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for managing version of image data with excellent retrievability while reducing image deterioration. SOLUTION: The image data management device for inputting image data and storing and managing it in a storage means comprises an input means for inputting the image data; a designation means for designating how to store the image data in the image data; a first storage means for storing the image data with information for specifying it in the storage means; a second storage means for inputting information for specifying intended stored basic image data and storing extracted difference data as update history information for the basic image data; and a third storage means for inputting information for specifying intended stored image data and storing extracted difference data as update history information for previous update image data. COPYRIGHT: (C)2008,JPO&INPIT
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