Handwritten ZIP Code Recognition

Authors:
Gregory Dzuba;Alexander Filatov;Alexander Volgunin
Affiliations:
-;-;-
Venue:
ICDAR '97 Proceedings of the 4th International Conference on Document Analysis and Recognition
Year:
1997

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Abstract

The encoding of delivery point code (DPC) for handwritten address is one of the most complex problems of the US mail delivery automation. This paper describes a real-time system intended to recognize the 5-digit ZIP code part of DPC. To increase the system performance the results of ZIP code recognition are cross-validated with those of city and state names recognition. Main principles of the handwritten word recognizer which is the core of the system are explained. The system throughput is 40.000 address blocks per hour. Experimental results on live mail pieces are presented. ZIP code recognition rate is 73% with 1% error rate.