| 摘要 |
A paper document printed from an electronic document, in which a note is taken, is input as an image from a paper document inputting unit such as a scanner, an electronic camera, etc. A note image is extracted by a note extracting unit. The note image is then recognized by a note recognizing unit. A note recognition result and the note image are correlated to the original electronic document, and stored. Data of the correlation between the note data and the original electronic document is stored in a document information file.
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