Certifiable optical character recognition

Image analysis – Editing – error checking – or correction

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358405, 382176, G06K 903

Patent

active

056257210

ABSTRACT:
A certificate, calculated on the text of a document to be reproduced, is included in the document in a form which is machine-readable. Upon optical character recognition scanning, or other digitizing reproduction, the certificate is also scanned and stored for comparison. A new certificate is calculated on the contents of the reproduced document and compared to the scanned certificate. If the two certificates are different, it is known that at least one error exists in the reproduced document. More than one certificate can be provided for a document in order to facilitate error location on the document and error correction therein.

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Japanese Patent Abstract No. A 63182771 based upon Japanese Patent Publication No. JP63182771 of Hideko.

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