Title
Maximization of mutual information for offline Thai handwriting recognition
Abstract
This paper aims to improve the performance of an HMM-based offline Thai handwriting recognition system through discriminative training and the use of fine-tuned feature extraction methods. The discriminative training is implemented by maximizing the mutual information between the data and their classes. The feature extraction is based on our proposed block-based PCA and composite images, shown to be better at discriminating Thai confusable characters. We demonstrate significant improvements in recognition accuracies compared to the classifiers that are not discriminatively optimized.
Year
DOI
Venue
2006
10.1109/TPAMI.2006.167
Pattern Analysis and Machine Intelligence, IEEE Transactions
Keywords
Field
DocType
feature extraction,handwritten character recognition,hidden Markov models,learning (artificial intelligence),optimisation,principal component analysis,HMM,Thai confusable characters,block-based PCA,composite images,discriminative training,fine-tuned feature extraction methods,hidden Markov models,mutual information maximization,offline Thai handwriting recognition,principal component analysis,Character recognition,Hidden Markov Model,PCA,Thai handwriting recognition.,discriminative training,feature extraction
Pattern recognition,Computer science,Image processing,Handwriting recognition,Speech recognition,Feature extraction,Mutual information,Artificial intelligence,Hidden Markov model,Discriminative model,Maximization,Principal component analysis
Journal
Volume
Issue
ISSN
28
8
0162-8828
Citations 
PageRank 
References 
11
0.76
8
Authors
3
Name
Order
Citations
PageRank
Roongroj Nopsuwanchai1110.76
Alain Biem228818.64
William F Clocksin3110.76