期刊
PATTERN RECOGNITION
卷 34, 期 1, 页码 37-46出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-3203(99)00201-0
关键词
off-line handwritten word recognition; lexicon reduction; holistic matching; shape descriptor; trie organization; elastic matching; postprocessing; cursive script
In this paper, we present a holistic technique for pruning of large lexicons for recognition of off-line cursive script words. The technique involves extraction and representation of downward pen-strokes from the off-line cursive word to obtain a descriptor which provides a coarse characterization of word shape. Elastic matching is used to match the image descriptor with ideal descriptors corresponding to lexicon entries organized as a trie of stroke classes. On a set of 23,335 real cursive word images the reduction is about 70% with accuracy above 75%. (C) 2000 Pattern Recognition Society. Published by Elsevier Science Ltd. All rights reserved.
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