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System and methods for exemplar based bar code error detection and correction

Country/Region: 
Europe
Abstract: 

The present invention provides a system for correcting improperly printed or otherwise defective bar codes. The system scans a bar code and determines whether the scanned bar code data is correct. If the scanned bar code data is incorrect, the system uses the incorrect scanned bar code data to create a scan-based printhead model. The correct data is entered manually, and the manually entered data is used to construct an active printhead model. The scan-based and active printhead models are then compared in order to identify printhead defects, which are stored to correct future bar code scans.