Maximum mutual information estimation of a simplified hidden MRF for offline handwritten Chinese character recognition

Yan Xiong; Stephen E. Reichenbach

doi:10.1117/12.335822

7 January 1999 Maximum mutual information estimation of a simplified hidden MRF for offline handwritten Chinese character recognition

Yan Xiong, Stephen E. Reichenbach

Author Affiliations +

Proceedings Volume 3651, Document Recognition and Retrieval VI; (1999) https://doi.org/10.1117/12.335822
Event: Electronic Imaging '99, 1999, San Jose, CA, United States

Abstract

Understanding of hand-written Chinese characters is at such a primitive stage that models include some assumptions about hand-written Chinese characters that are simply false. So Maximum Likelihood Estimation (MLE) may not be an optimal method for hand-written Chinese characters recognition. This concern motivates the research effort to consider alternative criteria. Maximum Mutual Information Estimation (MMIE) is an alternative method for parameter estimation that does not derive its rationale from presumed model correctness, but instead examines the pattern-modeling problem in automatic recognition system from an information- theoretic point of view. The objective of MMIE is to find a set of parameters in such that the resultant model allows the system to derive from the observed data as much information as possible about the class. We consider MMIE for recognition of hand-written Chinese characters using on a simplified hidden Markov Random Field. MMIE provides improved performance improvement over MLE in this application.

Citation Download Citation

Yan Xiong and Stephen E. Reichenbach "Maximum mutual information estimation of a simplified hidden MRF for offline handwritten Chinese character recognition", Proc. SPIE 3651, Document Recognition and Retrieval VI, (7 January 1999); https://doi.org/10.1117/12.335822

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