Article(id=1156949462770868421, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156949362480861758, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2403015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713888000000, receivedDateStr=2024-04-24, revisedDate=1732636800000, revisedDateStr=2024-11-27, acceptedDate=null, acceptedDateStr=null, onlineDate=1753767847006, onlineDateStr=2025-07-29, pubDate=1738944000000, pubDateStr=2025-02-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753767847006, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753767847006, creator=13701087609, updateTime=1753767847006, updator=13701087609, issue=Issue{id=1156949362480861758, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='4', pageStart='1312', pageEnd='1751', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753767823094, creator=13701087609, updateTime=1755171161273, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1162835389472424814, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156949362480861758, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1162835389472424815, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156949362480861758, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1547, endPage=1554, ext={EN=ArticleExt(id=1156949463324516572, articleId=1156949462770868421, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Handwritten Chinese Character Text Recognition Based on Convolutional Recurrent Neural Network, columnId=1156262729162810294, journalTitle=Science Technology and Engineering, columnName=Papers·Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problems of large training parameters and low text recognition rate of convolutional recurrent neural networks (CRNN) handwritten Chinese character recognition network model, a novel method for handwritten Chinese character recognition based on attention bi-directional long short-term memory network(AT-BLSTM) and knowledge distillation (KD) technology was proposed. By assigning different weights to the input vector features of AT-BLSTM network, the model training data set was more efficient and accurate. Through KD technology, the knowledge acquired from a large high-performance model was transferred to a small model, which ensured the accuracy of the model, reduced the training parameters and internal storage ratio, and obtained a lightweight training model with better performance. Through the comparison of multiple groups of experiments, the accuracy of Chinese character recognition is increased by 6.7%, and the training parameters are reduced by 15.94 M. The recognition accuracy of this network model reaches 97.9%, and the recognition effect of Chinese characters is better.
, correspAuthors=Chun-yan HE, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Rui-peng HU, Chun-yan HE, Wei-ming ZHANG, Li-xin ZHAO, Ming-bo LI), CN=ArticleExt(id=1156949535126807392, articleId=1156949462770868421, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于卷积循环神经网络的手写汉字文本识别, columnId=1156262729783567290, journalTitle=科学技术与工程, columnName=论文·自动化技术、计算机技术, runingTitle=null, highlight=null, articleAbstract=
为了解决卷积循环神经网络(convolutional recurrent neural networks, CRNN)手写汉字文本识别网络模型的训练参数大、文本识别率低等问题,提出一种基于注意力双向长短期记忆网络(based on attention bi-directional long short-term memory network, AT-BLSTM)和知识蒸馏(knowledge distillation, KD)技术的手写汉字识别方法。通过对AT-BLSTM网络的输入向量特征赋予不同的权重,使模型训练数据集更加高效、准确;通过KD技术将一个高性能的大模型获取的知识传输到一个小模型中,在确保模型准确性的同时,减少训练参数和内存占比,得到一个性能更优的轻量级训练模型。该方法通过多组实验对比,汉字识别准确率提高了6.7%,训练参数减少15.94 M。该网络模型识别准确率达到97.9%,汉字识别效果更好。
, correspAuthors=何春燕, authorNote=null, correspAuthorsNote=
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1 Institute of Machinery and Equipment Engineering, Hebei University of Engineering, Handan 056038, China
2 Key Laboratory of Intelligent Industrial Equipment Technology of Hebei Province, Hebei University of Engineering, Handan 056038, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225944426246226691, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, authorId=1225944425726132947, language=CN, stringName=胡瑞朋, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 河北工程大学机械与装备工程学院, 邯郸 056038
2 河北工程大学河北省智能工业装备技术重点实验室, 邯郸 056038, bio={"content":"
胡瑞朋(1999—),男,汉族,河北邯郸人,硕士研究生。研究方向:机器视觉、信息处理。E-mail:hurpeng1106@163.com。
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胡瑞朋(1999—),男,汉族,河北邯郸人,硕士研究生。研究方向:机器视觉、信息处理。E-mail:hurpeng1106@163.com。
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1 Institute of Machinery and Equipment Engineering, Hebei University of Engineering, Handan 056038, China
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1 河北工程大学机械与装备工程学院, 邯郸 056038
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1 Institute of Machinery and Equipment Engineering, Hebei University of Engineering, Handan 056038, China
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1 河北工程大学机械与装备工程学院, 邯郸 056038
2 河北工程大学河北省智能工业装备技术重点实验室, 邯郸 056038, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1225944425155707540, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, xref=1, ext=[AuthorCompanyExt(id=1225944425164096148, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, companyId=1225944425155707540, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 Institute of Machinery and Equipment Engineering, Hebei University of Engineering, Handan 056038, China
2 Key Laboratory of Intelligent Industrial Equipment Technology of Hebei Province, Hebei University of Engineering, Handan 056038, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225944428066554799, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, authorId=1225944427634541443, language=CN, stringName=赵立新, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 河北工程大学机械与装备工程学院, 邯郸 056038
2 河北工程大学河北省智能工业装备技术重点实验室, 邯郸 056038, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1225944425155707540, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, xref=1, ext=[AuthorCompanyExt(id=1225944425164096148, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, companyId=1225944425155707540, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3, address=
3 Ji Zhi Kang (Beijing) Technology Co., Ltd., Beijing 102600, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225944429790413776, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, authorId=1225944429391954873, language=CN, stringName=李明博, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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CRNN model structure diagram, figureFileSmall=lYVn/lkvrAuovsgVLogl6w==, figureFileBig=d6yhQA+CIp1nTdTz1SUngQ==, tableContent=null), ArticleFig(id=1225944431820456061, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图1, caption=
CRNN模型结构图, figureFileSmall=lYVn/lkvrAuovsgVLogl6w==, figureFileBig=d6yhQA+CIp1nTdTz1SUngQ==, tableContent=null), ArticleFig(id=1225944432105668757, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.2, caption=
AT-BLSTM model structure, figureFileSmall=w/5thvz82Fnp1mgUaVz04w==, figureFileBig=mkf+KTC83WYD4aypPLBraw==, tableContent=null), ArticleFig(id=1225944432248275106, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图2, caption=
AT-BLSTM模型结构 x1, x2,…, xn为CNN网络输出的特征向量;h1, h2,…, hn为LSTM 神经网络每个时间步输出的隐藏层向量;a1, a2,…,an为注意力机制的注意力权值;→为前向LSTM传播;←为后向LSTM传播
, figureFileSmall=w/5thvz82Fnp1mgUaVz04w==, figureFileBig=mkf+KTC83WYD4aypPLBraw==, tableContent=null), ArticleFig(id=1225944432457990320, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.3, caption=
Knowledge distillation model structure, figureFileSmall=cSlXsvt3qcizhdj9qz9/2w==, figureFileBig=R7F7ULgf/isTVuLZNcDLEg==, tableContent=null), ArticleFig(id=1225944433800167614, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图3, caption=
知识蒸馏模型结构, figureFileSmall=cSlXsvt3qcizhdj9qz9/2w==, figureFileBig=R7F7ULgf/isTVuLZNcDLEg==, tableContent=null), ArticleFig(id=1225944433976328393, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.4, caption=
AK-CRNN model structure, figureFileSmall=TmkA9X3wc/GX/G3l6unsRA==, figureFileBig=sBdlOm/Phlpfl192hXIDkA==, tableContent=null), ArticleFig(id=1225944434232180952, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图4, caption=
AK-CRNN模型结构 Context vector为上下文向量; FC为全连接层;Softmax为分类层;y为输出结果;KD+CTC为知识蒸馏和文本序列预测
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Handwritten Chinese character recognition based on AK-CRNN network model, figureFileSmall=asHd78/9Yc2pyHn9dS1A8w==, figureFileBig=U6B75/kh8LyBFAH6IHPc7Q==, tableContent=null), ArticleFig(id=1225944434563530985, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图5, caption=
AK-CRNN网络模型的手写汉字识别, figureFileSmall=asHd78/9Yc2pyHn9dS1A8w==, figureFileBig=U6B75/kh8LyBFAH6IHPc7Q==, tableContent=null), ArticleFig(id=1225944434676777200, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.6, caption=
CASIA-HWDB2.0 raw Data set part text picture, figureFileSmall=0F8Dmr821krbjDMxjJw8EA==, figureFileBig=ys7ds5vX36Tq1IMsLle5zQ==, tableContent=null), ArticleFig(id=1225944434823577849, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图6, caption=
CASIA-HWDB2.0原始数据集部分文本图片, figureFileSmall=0F8Dmr821krbjDMxjJw8EA==, figureFileBig=ys7ds5vX36Tq1IMsLle5zQ==, tableContent=null), ArticleFig(id=1225944434957795589, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.7, caption=
CASIA-HWDB2.0 post-processing Data set part text picture, figureFileSmall=UjhPzdRd6t9pOKc+keAMTw==, figureFileBig=O3PiC9qQJkxqy13ciwub9A==, tableContent=null), ArticleFig(id=1225944435071041804, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图7, caption=
CASIA-HWDB2.0处理后数据集部分文本图片, figureFileSmall=UjhPzdRd6t9pOKc+keAMTw==, figureFileBig=O3PiC9qQJkxqy13ciwub9A==, tableContent=null), ArticleFig(id=1225944435243008281, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Fig.8, caption=
Change trend of recognition accuracy of each model, figureFileSmall=aaYrj3NXe2UoUQiHUzeFZQ==, figureFileBig=PX6WKYlxa/UbdkYanot46Q==, tableContent=null), ArticleFig(id=1225944435360448800, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=图8, caption=
各个模型的识别准确率变化趋势, figureFileSmall=aaYrj3NXe2UoUQiHUzeFZQ==, figureFileBig=PX6WKYlxa/UbdkYanot46Q==, tableContent=null), ArticleFig(id=1225944435494666536, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=EN, label=Table 1, caption=
Comparison results of performance evaluation of each model
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| 方法 | 准确率P/% | 召回率R/% | 测度值F/% |
| CRNN | 91.2 | 90.3 | 90.7 |
| AT-BLSTM | 96.5 | 96.8 | 96.6 |
| CRNN + KD | 91.6 | 90.7 | 91.1 |
| AK-CRNN | 97.9 | 98.3 | 98.1 |
), ArticleFig(id=1225944435612107056, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=表1, caption=
各个模型性能评估对比结果
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| 方法 | 准确率P/% | 召回率R/% | 测度值F/% |
| CRNN | 91.2 | 90.3 | 90.7 |
| AT-BLSTM | 96.5 | 96.8 | 96.6 |
| CRNN + KD | 91.6 | 90.7 | 91.1 |
| AK-CRNN | 97.9 | 98.3 | 98.1 |
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The recognition accuracy of each model and the change of the number of training parameters
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| 方法 | 准确率P/% | 训练参数/M |
| CRNN | 91.2 | 47.29 |
| AT-BLSTM | 96.5 | 49.79 |
| CRNN + KD | 91.6 | 30.47 |
| AK-CRNN | 97.9 | 31.35 |
), ArticleFig(id=1225944435872153919, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156949462770868421, language=CN, label=表2, caption=
各个模型的识别准确率和训练参数量变化
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| 方法 | 准确率P/% | 训练参数/M |
| CRNN | 91.2 | 47.29 |
| AT-BLSTM | 96.5 | 49.79 |
| CRNN + KD | 91.6 | 30.47 |
| AK-CRNN | 97.9 | 31.35 |
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