SYSTEM FOR DETECTING POSSIBILITY OF FALSIFICATION AND PROGRAM

PROBLEM TO BE SOLVED: To provide a system for detecting falsification which can detect the falsification and display a falsified part by managing information written by a user using an electronic pen in time series. SOLUTION: The system for detecting falsification 100 extracts a start time and a fin...

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Bibliographische Detailangaben
Hauptverfasser: YONE YUTAKA, SAKAMOTO SANAE
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a system for detecting falsification which can detect the falsification and display a falsified part by managing information written by a user using an electronic pen in time series. SOLUTION: The system for detecting falsification 100 extracts a start time and a finish time of writing each field of an item from coordinate information based on position coordinates on a dot pattern included in the written information, and calculates a time required for a writer to write each field of a ledger sheet. Furthermore, the system compares the calculated time with a predetermined right time for writing, and determines a possibility of falsification when the time required for the writer to write in the predetermined field is longer than a right time for writing, and then extracts right stroke data written within the right time for writing and additional stroke data written after the right time for writing from the written information, respectively, when it is determined that there is a possibility of falsification, and distinguishes the respective stroke data to display a positional relation on the ledger sheet in an understandable way. COPYRIGHT: (C)2010,JPO&INPIT