Article(id=1207343635494970133, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1207343627223802520, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2404367, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1718121600000, receivedDateStr=2024-06-12, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1765782754061, onlineDateStr=2025-12-15, pubDate=1750176000000, pubDateStr=2025-06-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1765782754061, onlineIssueDateStr=2025-12-15, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1765782754061, creator=13701087609, updateTime=1765782754061, updator=13701087609, issue=Issue{id=1207343627223802520, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='17', pageStart='7023', pageEnd='7453', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1765782752085, creator=13701087609, updateTime=1765783816840, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1207348093192872694, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1207343627223802520, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1207348093192872695, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1207343627223802520, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=7276, endPage=7284, ext={EN=ArticleExt(id=1207343639861240732, articleId=1207343635494970133, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Gait Recognition Algorithm Based on 3D-CNN and Integrated Transformer, columnId=1207343631124505261, journalTitle=Science Technology and Engineering, columnName=Papers-Automation and Computational Technology, runingTitle=null, highlight=null, articleAbstract=
Currently, mainstream gait recognition methods often rely on stacked convolutional layers to gradually expand the receptive field and integrate local features. These methods mostly use shallow networks, which have limitations in extracting global features from gait images and lack attention to temporal cycle feature information. Therefore, a deep neural network algorithm combining Transformer and 3D convolution, named 3D convolutional gait recognition network based on AdaptFormer and Spect-Conv (3D-ASgaitNet)was proposed. Firstly, the initial residual convolution layer converts the binary contour data into a floating-point encoded feature map to provide dense low-level structural features. On this basis, the spectral layer enhances the feature extraction ability through the joint processing of frequency domain and time domain, and uses the pseudo-3D residual convolution module to further extract advanced spatio-temporal features. Finally, AdaptFormer module was integrated to provide flexible feature transformation capability through lightweight down-sampling and up-sampling network structure to adapt to different data distribution and task requirements. 3D-ASgaitNet was carried out on four publicly available indoor datasets (CASIA-B, OU-MVLP) and outdoor datasets (GREW, Gait3D), and achieved recognition accuracy rates of 99.84%, 87.83%, 45.32% and 72.12%, respectively. Experimental results show that the recognition accuracy of the proposed method in CASIA-B and Gait3D data sets is close to the performance of SOTA.
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当前,步态识别的主流方法常依赖堆叠卷积层来逐步扩大感受野,以融合局部特征,这种方法大多采用浅层网络,在提取步态图像的全局特征时存在一定的局限性,并缺乏对时序周期特征信息的关注。因此提出一种融合Transformer和3D卷积的深层神经网络算法(3D convolutional gait recognition network based on adaptFormer and spect-conv,3D-ASgaitNet)。首先,初始残差卷积层将二进制轮廓数据转换为浮点编码特征图,以提供密集的低级结构特征;在此基础上,光谱层通过频域和时域的联合处理增强特征提取能力,并使用伪3D残差卷积模块进一步提取高级时空特征;最后融合AdaptFormer模块,通过轻量级的下采样-上采样网络结构,以适应不同的数据分布和任务需求,提供灵活的特征变换能力。3D-ASgaitNet分别在4个公开的室内数据集(CASIA-B、OU-MVLP)、室外数据集(GREW、Gait3D)上进行,分别取得99.84%、87.83%、45.32%、72.12%的识别准确率。实验结果表明,所提出方法在CASIA-B、Gait3D数据集中的识别准确率接近SOTA性能。
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李金成(2001—),男,汉族,湖北宜昌人,硕士研究生。研究方向:步态识别技术。E-mail:2023110198@cipuc.edu.cn。
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2022: 20228-20237., articleTitle=Gait recognition in the wild with dense 3D representations and a benchmark, refAbstract=null)], funds=[Fund(id=1207400969541886722, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, awardId=2023JC08, language=CN, fundingSource=公安部科技强警基础工作专项(2023JC08), fundOrder=null, country=null), Fund(id=1207400969680298758, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, awardId=D2023001, language=CN, fundingSource=中央高校基本科研业务费(D2023001), fundOrder=null, country=null), Fund(id=1207400969822905098, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, awardId=D2024002, language=CN, fundingSource=中央高校基本科研业务费(D2024002), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1207400963216875998, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, xref=null, ext=[AuthorCompanyExt(id=1207400963225264607, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, companyId=1207400963216875998, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=College of Public Security Information Technology and Intelligence, Criminal Investigation Police University of China, Shenyang 100854, China), AuthorCompanyExt(id=1207400963233653217, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, companyId=1207400963216875998, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=中国刑事警察学院公安信息技术与情报学院, 沈阳 100854)])], figs=[ArticleFig(id=1207400965322416741, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.1, caption=
3D-ASgaitNet structure diagram, figureFileSmall=0nFKTTeSBPElKNFobhGSFw==, figureFileBig=o5sZNWIc0Kyy99LD8vWgmw==, tableContent=null), ArticleFig(id=1207400965410497133, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图1, caption=
3D-ASgaitNet框架图 DA为图像增强处理;Conv为Convolution的缩写,其代表卷积层;2D、3D为二维和三维;P3D为伪三维;AdaptFormer为自适应特征提取模块;FCs、BNNecks代表fully connected layers和batch normalization necks的缩写,分别为全连接层和批归一化瓶颈层
, figureFileSmall=0nFKTTeSBPElKNFobhGSFw==, figureFileBig=o5sZNWIc0Kyy99LD8vWgmw==, tableContent=null), ArticleFig(id=1207400965527937649, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.2, caption=
Data augmentation comparison chart, figureFileSmall=ruMndu3e22n0AdBnLyaA0A==, figureFileBig=DxOFiKjf+Gh2a26LqGY/xA==, tableContent=null), ArticleFig(id=1207400965649572471, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图2, caption=
数据增强对比图, figureFileSmall=ruMndu3e22n0AdBnLyaA0A==, figureFileBig=DxOFiKjf+Gh2a26LqGY/xA==, tableContent=null), ArticleFig(id=1207400966903669375, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.3, caption=
Spect-Conv structure diagram, figureFileSmall=oM84XAxcGPRbHKhGBWE8qA==, figureFileBig=mEQvwDFYU+7Slf3WaX2a1w==, tableContent=null), ArticleFig(id=1207400967025304196, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图3, caption=
Spect-Conv框架图, figureFileSmall=oM84XAxcGPRbHKhGBWE8qA==, figureFileBig=mEQvwDFYU+7Slf3WaX2a1w==, tableContent=null), ArticleFig(id=1207400967113384584, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.4, caption=
Pseudo-3D residual convolution framework diagram, figureFileSmall=W0Yh+9K6u73+zeC20zuWDw==, figureFileBig=Ape6DKJf2Au2U5g7XdL2Mg==, tableContent=null), ArticleFig(id=1207400967209853583, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图4, caption=
伪3D残差卷积框架图, figureFileSmall=W0Yh+9K6u73+zeC20zuWDw==, figureFileBig=Ape6DKJf2Au2U5g7XdL2Mg==, tableContent=null), ArticleFig(id=1207400967285351062, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.5, caption=
Swin Transformer structure diagram, figureFileSmall=UV3DOhwNyHcCHDM9w3qgrg==, figureFileBig=u7EeBqllyiweTeRs5K8wMg==, tableContent=null), ArticleFig(id=1207400967398597277, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图5, caption=
Swin Transformer框架图, figureFileSmall=UV3DOhwNyHcCHDM9w3qgrg==, figureFileBig=u7EeBqllyiweTeRs5K8wMg==, tableContent=null), ArticleFig(id=1207400967482483363, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.6, caption=
AdaptFormer structure diagram, figureFileSmall=pER/zwjCl0dejS+NdCeZag==, figureFileBig=c5WZf1wSkQ4O/589ULY/qA==, tableContent=null), ArticleFig(id=1207400967574758055, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图6, caption=
AdaptFormer框架图 Trainable代表该虚线内模块可训练变化;Scaling为可缩放因子;Multi-Head Attention为多头注意力机制;Linear为线性层即全连接层
, figureFileSmall=pER/zwjCl0dejS+NdCeZag==, figureFileBig=c5WZf1wSkQ4O/589ULY/qA==, tableContent=null), ArticleFig(id=1207400967696392878, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.7, caption=
Horizontal pyramid mapping structure, figureFileSmall=rdTaq4joZYuyPhvKNpcICg==, figureFileBig=7H3ZuP6OAiZMoEKYMyP7DA==, tableContent=null), ArticleFig(id=1207400967797056181, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图7, caption=
水平金字塔映射结构 h、w分别为特征图的高与宽;c为通道数;p为水平特征向量的数量;S为HPM的尺度数目;Zs,t为特征块在尺度S下的索引,其中$t\in \mathrm{1,2},\dots,{2}^{S-1}$;“$\oplus $”表示对应元素相加;GAP与GMP分别为全局平均池化和全局最大池化;fc为独立的全连接操作;f'与f分别为全连接操作前后的特征向量
, figureFileSmall=rdTaq4joZYuyPhvKNpcICg==, figureFileBig=7H3ZuP6OAiZMoEKYMyP7DA==, tableContent=null), ArticleFig(id=1207400967910302396, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.8, caption=
Accuracy and loss values of iterations on four datasets, figureFileSmall=GVXw2IPt0nFF0Bw5LWoO6A==, figureFileBig=xRke9dQMDrgIU96why0Rjw==, tableContent=null), ArticleFig(id=1207400968015159999, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图8, caption=
4种数据集上迭代的准确率和损失值, figureFileSmall=GVXw2IPt0nFF0Bw5LWoO6A==, figureFileBig=xRke9dQMDrgIU96why0Rjw==, tableContent=null), ArticleFig(id=1207400968107434693, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Fig.9, caption=
Iterative triplet loss sample size and average distance variation curves on four datasets, figureFileSmall=wnPTZMXnkWUVmomlb9qREg==, figureFileBig=zCzicEw7aiMke8LyB2Vgsw==, tableContent=null), ArticleFig(id=1207400968195515079, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=图9, caption=
4种数据集上迭代的三元组损失样本数量和平均距离变化曲线, figureFileSmall=wnPTZMXnkWUVmomlb9qREg==, figureFileBig=zCzicEw7aiMke8LyB2Vgsw==, tableContent=null), ArticleFig(id=1207400968275206860, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Table 1, caption=
Data set
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数据集 名称 | 训练集 | | 测试集 | 采集 环境 |
| Id | Seq | Id | Seq |
| CASIA-B | 74 | 8 140 | | 50 | 5 500 | 室内 |
| OU-MVLP | 5 153 | 144 284 | | 5 154 | 144 412 | 室内 |
| Gait3D | 3 000 | 18 940 | | 1 000 | 6 369 | 室外 |
| GREW | 20 000 | 102 887 | | 6 000 | 24 000 | 室外 |
), ArticleFig(id=1207400968380064465, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=表1, caption=
数据集
, figureFileSmall=null, figureFileBig=null, tableContent=
数据集 名称 | 训练集 | | 测试集 | 采集 环境 |
| Id | Seq | Id | Seq |
| CASIA-B | 74 | 8 140 | | 50 | 5 500 | 室内 |
| OU-MVLP | 5 153 | 144 284 | | 5 154 | 144 412 | 室内 |
| Gait3D | 3 000 | 18 940 | | 1 000 | 6 369 | 室外 |
| GREW | 20 000 | 102 887 | | 6 000 | 24 000 | 室外 |
), ArticleFig(id=1207400968510087893, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Table 2, caption=
Dataset training parameters
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| 数据集名称 | 批次大小 | 优化器 | 学习率调整阶段 | 迭代次数 |
| CASIA-B | (4,8) | SGD | (20k,40k,60k) | 80k |
| OU-MVLP | (32,8) | SGD | (60k,80k,100k) | 120k |
| Gait3D | (32,4) | AdamW | ${I}_{\mathrm{m}\mathrm{a}\mathrm{x}}$=60k | 80k |
| GREW | (32,4) | AdamW | ${I}_{\mathrm{m}\mathrm{a}\mathrm{x}}$=150k | 200k |
), ArticleFig(id=1207400968589779673, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=表2, caption=
数据集训练参数
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| 数据集名称 | 批次大小 | 优化器 | 学习率调整阶段 | 迭代次数 |
| CASIA-B | (4,8) | SGD | (20k,40k,60k) | 80k |
| OU-MVLP | (32,8) | SGD | (60k,80k,100k) | 120k |
| Gait3D | (32,4) | AdamW | ${I}_{\mathrm{m}\mathrm{a}\mathrm{x}}$=60k | 80k |
| GREW | (32,4) | AdamW | ${I}_{\mathrm{m}\mathrm{a}\mathrm{x}}$=150k | 200k |
), ArticleFig(id=1207400968723997405, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Table 3, caption=
Comparison of Rank-1 accuracy of different methods
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| 模型 | 期刊信息 | 准确率/% |
| CASIA-B | OU-MVLP | GREW | Gait3D |
| NM | BG | CL |
| 本文模型 | — | 98.8 | 95.4 | 88.7 | 78.2 | 36.8 | 63.6 |
| GaitSet[2] | AAAI 2019 | 95.8 | 90.0 | 75.4 | 87.1 | 48.4 | 36.7 |
| GaitPart[15] | CVPR 2020 | 96.1 | 90.7 | 78.7 | 88.7 | 47.6 | 28.2 |
| GaitGL[16] | ICCV 2021 | 97.4 | 94.5 | 83.8 | 89.7 | 47.3 | 29.7 |
| CSTL[17] | ICCV 2021 | 98.0 | 95.4 | 87.0 | 90.2 | 50.6 | 11.7 |
| 3DLocal[18] | ICCV 2021 | 98.3 | 95.5 | 84.5 | 90.9 | — | — |
| SMPLGait[19] | CVPR 2022 | — | — | — | — | — | 46.3 |
), ArticleFig(id=1207400968820466403, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=表3, caption=
不同方法Rank-1准确率对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 模型 | 期刊信息 | 准确率/% |
| CASIA-B | OU-MVLP | GREW | Gait3D |
| NM | BG | CL |
| 本文模型 | — | 98.8 | 95.4 | 88.7 | 78.2 | 36.8 | 63.6 |
| GaitSet[2] | AAAI 2019 | 95.8 | 90.0 | 75.4 | 87.1 | 48.4 | 36.7 |
| GaitPart[15] | CVPR 2020 | 96.1 | 90.7 | 78.7 | 88.7 | 47.6 | 28.2 |
| GaitGL[16] | ICCV 2021 | 97.4 | 94.5 | 83.8 | 89.7 | 47.3 | 29.7 |
| CSTL[17] | ICCV 2021 | 98.0 | 95.4 | 87.0 | 90.2 | 50.6 | 11.7 |
| 3DLocal[18] | ICCV 2021 | 98.3 | 95.5 | 84.5 | 90.9 | — | — |
| SMPLGait[19] | CVPR 2022 | — | — | — | — | — | 46.3 |
), ArticleFig(id=1207400968954684137, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Table 4, caption=
Results of ablation experiments on the Gait3D dataset
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| 实验序号 | Spect-Conv | 3D-CNN | AdaptFormer | 识别准确率/% |
| 0 | √ | — | — | 32.64 |
| 1 | — | √ | — | 61.23 |
| 2 | — | — | √ | 68.23 |
| 3 | √ | √ | — | 62.11 |
| 4 | √ | — | √ | 67.22 |
| 5 | — | √ | √ | 70.63 |
| 6 | √ | √ | √ | 72.12 |
), ArticleFig(id=1207400969072124654, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=表4, caption=
Gait3D数据集上的消融实验结果
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| 实验序号 | Spect-Conv | 3D-CNN | AdaptFormer | 识别准确率/% |
| 0 | √ | — | — | 32.64 |
| 1 | — | √ | — | 61.23 |
| 2 | — | — | √ | 68.23 |
| 3 | √ | √ | — | 62.11 |
| 4 | √ | — | √ | 67.22 |
| 5 | — | √ | √ | 70.63 |
| 6 | √ | √ | √ | 72.12 |
), ArticleFig(id=1207400969176982260, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=EN, label=Table 5, caption=
Cross dataset experimental results
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测试 标准 | Gait3D | CASIA-B | 跨数据集再训练 |
Gait3D→ CASIA-B | CASIA-B→ Gait3D |
| 识别准确率/% | 72.12 | 99.84 | 99.98 | 68.89 |
), ArticleFig(id=1207400969323782904, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1207343635494970133, language=CN, label=表5, caption=
跨数据集实验结果
, figureFileSmall=null, figureFileBig=null, tableContent=
测试 标准 | Gait3D | CASIA-B | 跨数据集再训练 |
Gait3D→ CASIA-B | CASIA-B→ Gait3D |
| 识别准确率/% | 72.12 | 99.84 | 99.98 | 68.89 |
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