| 摘要 |
PROBLEM TO BE SOLVED: To provide a content-based accounting method for a copier, scanner, printer or multifunction device (referred to as MFP). SOLUTION: A content-based accounting method is implemented in a management section for a copier, scanner, printer or MFP, or on a network server accessible by the copier, scanner, printer or MFP. When copying, scanning or printing a document, the management section automatically extracts content information from the documents being copied, scanned or printed, groups the documents based on the content, and updates an accounting database. The accounting database contains user accounts that store usage information according to content groups. For copied and scanned documents, textual content is extracted from the document image using OCR techniques. For printed documents, textual information is extracted from the digital data used to print the document. COPYRIGHT: (C)2009,JPO&INPIT
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