Confidence Guided Progressive Search and Fast Match Techniques for High Performance Chinese/English OCR

Authors:
Zhi-Dan Feng;Qiang Huo
Affiliations:
-;-
Venue:
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 3 - Volume 3
Year:
2002

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Pattern Recognition

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Abstract

In the past several years, we've been developing a high performance OCR engine for machine printed Chinese/English documents. In this paper, we present two innovative techniques that contribute to the high efficiency in recognition of the mixed Chinese/English text line. They are (1) a progressive search strategy based on character verification, and (2) a tree-based fast match technique with a confidence-guided adaptive stopping mechanism. The efficacy of the proposed techniques is confirmed by experiments in a benchmark test.