Evaluation of Neural Network Language Models in Handwritten Chinese Text Recognition
Wu YC(吴一超); Yin F(殷飞); Liu CL(刘成林)
2015
会议名称2015 13th International Conference on Document Analysis and Recognition
会议日期2015-8-23
会议地点法国南锡
摘要Handwritten Chinese text recognition based on
over-segmentation and path search integrating contexts has been
demonstrated successful, where language models play an important
role. Recently, neural network language models (NNLMs)
have shown superiority to back-off N-gram language models
(BLMs) in handwriting recognition, but have not been studied
in Chinese text recognition system. This paper investigates the
effects of NNLMs in handwritten Chinese text recognition and
compares the performance with BLMs. We trained characterlevel
language models in 3-, 4- and 5- gram on large scale corpora
and applied them in text line recognition system. Experimental
results on the CASIA-HWDB database show that NNLM and
BLM of the same order perform comparably, and the hybrid
model by interpolating NNLM and BLM improves the recognition
performance significantly.
文献类型会议论文
条目标识符http://ir.ia.ac.cn/handle/173211/19797
专题模式识别国家重点实验室_模式分析与学习
作者单位Institute of Institute of Automation,Chinese Academy of Sciences
推荐引用方式
GB/T 7714
Wu YC,Yin F,Liu CL. Evaluation of Neural Network Language Models in Handwritten Chinese Text Recognition[C],2015.
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