Form identification method
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United States of America Patent
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Sep 12, 2006
Grant Date -
Oct 31, 2002
app pub date -
Jan 10, 2002
filing date -
Apr 25, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A form identification method which can identify forms without errors even if a form is inputted from a scanner in different direction or the form is enlarged/shrunk. A form registration method which enables change/modification of forms when form types are pre-registered. Inputted points as features are extracted from the form, modification of enlargement/shrinkage, rotation, or skew is made to the inputted points. Form types are identified based on minimum distances between the inputted point and pre-registered dictionary points. When registering a similar form type, warning can be displayed on the screen. In a system a dictionary registration station, a form identification station, and a form edit station are connected via a communication network. Each station operates in interlocking manner, identifies inputted forms, and registers them into a dictionary.
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