Article(id=1149673291520061764, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, articleNumber=1671-1807(2025)10-0069-08, orderNo=null, doi=, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1732118400000, receivedDateStr=2024-11-21, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752033072594, onlineDateStr=2025-07-09, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752033072594, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752033072594, creator=13701087609, updateTime=1757563390568, updator=13701087609, issue=Issue{id=1149670639897854094, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='10', pageStart='1', pageEnd='377', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752032440399, creator=13701087609, updateTime=1756780756355, updator=15831073675, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169586520596947842, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169586520596947843, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=69, endPage=76, ext={EN=ArticleExt(id=1151877665683763401, articleId=1149673291520061764, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Research and Design of Handwritten Digit Recognition Based on Convolutional Neural Network, columnId=1151876674645226399, journalTitle=Science Technology and Industry, columnName=Technology Innovation, runingTitle=null, highlight=null, articleAbstract=
In the era of informatization, handwritten digit recognition has wide applications in computer vision and pattern recognition. In order to improve the accuracy and efficiency of handwritten digit recognition, four convolutional neural network (CNN)-based algorithm models were designed and tested. An empirical study was conducted on the MNIST dataset to compare the training performance of different models. The experimental results show that the multilayer CNN model performs best, with an accuracy rate of 98.9%, and each training cycle takes about 20 seconds. This indicates that increasing the number of convolutional layers and using high-level APIs help improve recognition accuracy, further enhancing the application performance of CNN in handwritten digit recognition. New insights and methods are provided for designing efficient and accurate handwritten digit recognition models.
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在信息化时代,手写数字识别在计算机视觉和模式识别中具有广泛应用。为了提升手写数字识别的精度和效率,设计并测试了四种基于卷积神经网络(CNN)的算法模型。通过对MNIST数据集的实证研究,比较不同模型的训练效果。实验结果表明,多层卷积神经网络模型表现最优,准确率达到98.9%,且每轮训练时间仅需约20 s。研究表明,增加卷积层数和选择高阶API(application programming interface)有助于提升识别精度,进一步推动CNN在手写数字识别中的应用性能。这一结果为高效、准确的手写数字识别模型设计提供了新的思路和方法。
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朱姣蓉(2000—),女,浙江湖州人,硕士研究生,研究方向为深度学习。
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朱姣蓉(2000—),女,浙江湖州人,硕士研究生,研究方向为深度学习。
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2024(11): 42-46., articleTitle=基于改进AlexNet卷积神经网络人脸识别的研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1173173879070667109, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, xref=null, ext=[AuthorCompanyExt(id=1173173879079055718, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, companyId=1173173879070667109, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Cultural Heritage and Information Management, Shanghai University, Shanghai 201900, China), AuthorCompanyExt(id=1173173879087444327, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, companyId=1173173879070667109, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=上海大学文化遗产与信息管理学院, 上海 201900)])], figs=[ArticleFig(id=1173173879905333621, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=EN, label=null, caption=null, figureFileSmall=GZ7vpbvORD2YvYCQ+xZU/A==, figureFileBig=f6XKBq6/q3b58r+c44CjiQ==, tableContent=null), ArticleFig(id=1173173879968248182, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=CN, label=图1, caption=
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部分预测结果, figureFileSmall=8P+YPZO2KC2s++v31QnROA==, figureFileBig=e35DeN+vyogik6MkwmDcGQ==, tableContent=null), ArticleFig(id=1173173880245072251, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=EN, label=null, caption=null, figureFileSmall=aBBMylj3Ds+I8pNN/7+TzA==, figureFileBig=xpc2PWgtCU7HED/+UGxBoQ==, tableContent=null), ArticleFig(id=1173173880299598204, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=CN, label=图4, caption=
损失率变化, figureFileSmall=aBBMylj3Ds+I8pNN/7+TzA==, figureFileBig=xpc2PWgtCU7HED/+UGxBoQ==, tableContent=null), ArticleFig(id=1173173880358318461, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=EN, label=null, caption=null, figureFileSmall=QyXc0iff+ypQAo9kFJGS5A==, figureFileBig=ex5SZS7qtZtjZCH9BgtRvA==, tableContent=null), ArticleFig(id=1173173880404455806, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149673291520061764, language=CN, label=图5, caption=
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| 模型 | 训练 损失率 | 测试 损失率 | 训练 准确率 | 测试 准确率 |
| 单层卷积神经网络低阶API | 0.335 | 0.367 | 0.914 | 0.910 |
| 单层卷积神经网络高阶API | 0.114 | 0.303 | 0.974 | 0.953 |
| 双层卷积神经网络高阶API | 0.112 | 0.106 | 0.985 | 0.987 |
| 三层卷积神经网络高阶API | 0.107 | 0.098 | 0.986 | 0.989 |
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各模型在MNIST数据集上的性能
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 训练 损失率 | 测试 损失率 | 训练 准确率 | 测试 准确率 |
| 单层卷积神经网络低阶API | 0.335 | 0.367 | 0.914 | 0.910 |
| 单层卷积神经网络高阶API | 0.114 | 0.303 | 0.974 | 0.953 |
| 双层卷积神经网络高阶API | 0.112 | 0.106 | 0.985 | 0.987 |
| 三层卷积神经网络高阶API | 0.107 | 0.098 | 0.986 | 0.989 |
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