Font Recognition of Single Chinese Character Based on Wavelet Feature

CHEN Li; DING Xiao-qing

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Font Recognition of Single Chinese Character Based on Wavelet Feature

更新时间：2025-07-16

- Font Recognition of Single Chinese Character Based on Wavelet Feature
- Acta Electronica Sinica Vol. 32, Issue 2, Pages: 177-180(2004)
- 作者机构：
  
  清华大学电子工程系智能技术与系统国家重点实验室,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP391.43
- Published：2004
- 稿件说明：
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CHEN Li, DING Xiao-qing. Font Recognition of Single Chinese Character Based on Wavelet Feature[J]. Acta Electronica Sinica, 2004, 32(2): 177-180.
DOI：

CHEN Li, DING Xiao-qing. Font Recognition of Single Chinese Character Based on Wavelet Feature[J]. Acta Electronica Sinica, 2004, 32(2): 177-180. DOI：

摘要

汉字图像不仅包含了汉字的字符信息

还包含了汉字的字体信息.字体信息是版面分析、理解和恢复的重要依据

还有助于实现高性能字符识别系统.目前的字体识别方法还不能对单个汉字字符的字体进行识别.本文提出了一种新的字体识别方法

能够在不知道汉字字符的前提下

识别单个汉字的字体.首先对单个汉字的字符图像进行小波分解

在变换图像上提取小波特征.提取的小波特征经Box-Cox变换整形后

用线性鉴别分析技术(LDA)进行特征选择

得到字体识别特征.所使用的分类器是MQDF分类器.在包含7种字体的样本集上进行的实验表明

本文提出的方法能够在不知道汉字字符的前提下

对单个汉字的字体进行有效识别

基于单字的字体识别率达到97.35％.

Abstract

Printed character image contains the information of characters and the information of fonts.Font information is essential in layout analysis and reconstruction

and is helpful to improve the performance of character recognition system.An algorithm for font recognition of single Chinese character is proposed

which needs no prior knowledge of characters.The new algorithm can recognize the font of a single Chinese character while existing methods are all based on a block of text.We extracted wavelet feature from a single character image and employed Box-Cox transformation and LDA technique to get the final feature for font recognition

which was used by a MQDF classifier.Experiment shows that our method can recognize the font of a single Chinese character effectively and a recognition rate of 97.35% is achieved.

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