Article(id=1149420603100270995, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, articleNumber=null, orderNo=null, doi=10.19562/j.chinasae.qcgc.2025.04.005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1729008000000, receivedDateStr=2024-10-16, revisedDate=1733673600000, revisedDateStr=2024-12-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1751972826981, onlineDateStr=2025-07-08, pubDate=1745510400000, pubDateStr=2025-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1751972826981, onlineIssueDateStr=2025-07-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1751972826981, creator=13701087609, updateTime=1751972826981, updator=13701087609, issue=Issue{id=1149420601376412046, tenantId=1146029695717560320, journalId=1146120084050784272, year='2025', volume='47', issue='4', pageStart='587', pageEnd='795', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1751972826539, creator=13701087609, updateTime=1754389785974, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1159558063947952346, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1159558063947952347, tenantId=1146029695717560320, journalId=1146120084050784272, issueId=1149420601376412046, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=636, endPage=644, ext={EN=ArticleExt(id=1149420603272237461, articleId=1149420603100270995, tenantId=1146029695717560320, journalId=1146120084050784272, language=EN, title=Dense Traffic Object Detection Based on Histogram Feature Distillation, columnId=1149809888211198868, journalTitle=Automotive Engineering, columnName=Feature Topic:Key Technologies on Intelligent and Connected Vehicles, runingTitle=null, highlight=
Multi-class traffic participant detection in dense traffic scenarios remains a challenging visual task,which is crucial for traffic management and safety. To address this,a deep neural network-based detection algorithm,DSODet,is proposed to handle the challenges of partial occlusion and small-scale targets in dense traffic environment. Firstly,a lightweight CSPDarkNet network is used to extract features from traffic images. Then,a multi-scale feature fusion upsampling module is designed to enhance the representation capability for hard-to-detect targets. Next,a high-resolution detection branch is incorporated to improve detection accuracy for small-scale targets. Finally,a histogram feature distillation training method is proposed,which effectively guides the student model's training by minimizing the intersection ratio of feature histograms between the teacher and student models at corresponding layers,thus enabling parameter optimization and model compression. The experimental results show that DSODet achieves an average detection accuracy of 66.9% for traffic participants and 13.0% for small targets with partial occlusion,outperforming current state-of-the-art algorithms. The model contains only 2.9 M parameters,demonstrating its friendliness for edge device. The related code will be shared at https://github.com/XMUT-Vsion-Lab.
, articleAbstract=
Multiclass traffic participant detection in dense traffic scenarios remains a challenging visual task, which is crucial for traffic management and safety. To address this, a deep neural networkbased detection algorithm, DSODet, is proposed to handle the challenges of partial occlusion and smallscale targets in dense traffic environment. Firstly, a lightweight CSPDarkNet network is used to extract features from traffic images. Then, a multiscale feature fusion upsampling module is designed to enhance the representation capability for hardtodetect targets. Next, a highresolution detection branch is incorporated to improve detection accuracy for smallscale targets. Finally, a histogram feature distillation training method is proposed, which effectively guides the student model's training by minimizing the intersection ratio of feature histograms between the teacher and student models at corresponding layers, thus enabling parameter optimization and model compression. The experimental results show that DSODet achieves an average detection accuracy of 66.9% for traffic participants and 13.0% for small targets with partial occlusion, outperforming current stateoftheart algorithms. The model contains only 2.9 M parameters, demonstrating its friendliness for edge device. The related code will be shared at https://github.com/XMUTVsionLab.
, correspAuthors=Mingen Zhong, 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=Yihong Zhang, Mingen Zhong, Jiawei Tan, Kang Fan, Zhengfeng Li), CN=ArticleExt(id=1149420607600759217, articleId=1149420603100270995, tenantId=1146029695717560320, journalId=1146120084050784272, language=CN, title=基于直方图特征蒸馏的密集交通目标检测
*, columnId=1149809888341222293, journalTitle=汽车工程, columnName=专题:汽车智能化关键技术, runingTitle=null, highlight=
密集交通场景下的多类交通参与者目标检测仍是一项颇具挑战的视觉任务,对于交通管理和安全至关重要。为此,针对密集交通参与者的局部遮挡和小尺度特点,提出一种深度神经网络检测算法DSODet。首先采用轻量化的CSPDarkNet网络提取交通图像特征;然后设计了多尺度特征融合上采样模块以增强对难检测目标的表达能力;随后增加高分辨率检测分支来提升对小尺度目标的检测能力;最后,提出直方图特征蒸馏训练方法,通过最小化教师模型与学生模型相同层特征直方图的交集比,来有效引导学生模型训练,实现参数优化与轻量化。实验结果表明,DSODet对交通参与者的平均检测精度为66.9%,对局部遮挡的小尺度目标为13.0%,均超越现有主流算法,模型参数量仅为2.9 M,体现了对边缘设备的友好性。相关代码将在https://github.com/XMUT-Vsion-Lab分享。
, articleAbstract=
密集交通场景下的多类交通参与者目标检测仍是一项颇具挑战的视觉任务,对于交通管理和安全至关重要。为此,针对密集交通参与者的局部遮挡和小尺度特点,提出一种深度神经网络检测算法DSODet。首先采用轻量化的CSPDarkNet 网络提取交通图像特征;然后设计了多尺度特征融合上采样模块以增强对难检测目标的表达能力;随后增加高分辨率检测分支来提升对小尺度目标的检测能力;最后,提出直方图特征蒸馏训练方法,通过最小化教师模型与学生模型相同层特征直方图的交集比,来有效引导学生模型训练,实现参数优化与轻量化。实验结果表明,DSODet对交通参与者的平均检测精度为66.9%,对局部遮挡的小尺度目标为13.0%,均超越现有主流算法,模型参数量仅为2.9M,体现了对边缘设备的友好性。相关代码将在https://github.com/XMUTVsionLab分享。
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| Algorithm: Histogram Feature Distillation (HFD) |
| Input: Student model feature tensors ; Teacher model feature tensors ; Alignment modules ; Normalization modules ; Number of bins B; Output: Total loss LHFD 1. Initialize 2. for l = 1 to L do 3. 4. 5. , 6. 7. 8. end for 9. Normalize total loss: 10. return LHFD |
), ArticleFig(id=1170298253925953942, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420603100270995, language=CN, label=表1, caption=
直方图特征蒸馏算法流程
, figureFileSmall=null, figureFileBig=null, tableContent=
| Algorithm: Histogram Feature Distillation (HFD) |
| Input: Student model feature tensors ; Teacher model feature tensors ; Alignment modules ; Normalization modules ; Number of bins B; Output: Total loss LHFD 1. Initialize 2. for l = 1 to L do 3. 4. 5. , 6. 7. 8. end for 9. Normalize total loss: 10. return LHFD |
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| 模型 | mAP | APs | AP m | APl | MR |
| Baseline | 55.6 | 6.3 | 29.4 | 47.0 | 49.1 |
| +SHead | 63.1 | 11.2 | 34.9 | 47.5 | 43.1 |
| +MSFU | 65.6 | 12.6 | 37.3 | 49.7 | 41.4 |
| +HFD | 66.9 | 13.0 | 38.4 | 50.8 | 40.7 |
), ArticleFig(id=1170298254097920408, tenantId=1146029695717560320, journalId=1146120084050784272, articleId=1149420603100270995, language=CN, label=表2, caption=
消融实验结果 %
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| 模型 | mAP | APs | AP m | APl | MR |
| Baseline | 55.6 | 6.3 | 29.4 | 47.0 | 49.1 |
| +SHead | 63.1 | 11.2 | 34.9 | 47.5 | 43.1 |
| +MSFU | 65.6 | 12.6 | 37.3 | 49.7 | 41.4 |
| +HFD | 66.9 | 13.0 | 38.4 | 50.8 | 40.7 |
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| 蒸馏方法 | mAP/% | APs/% | APm/% | APl/% | Np/106 |
| DSODet | 65.6 | 12.6 | 37.3 | 49.7 | 2.93 |
| MGD | 66.3 | 12.7 | 38.0 | 50.3 | 2.93 |
| FGD | 66.5 | 12.9 | 38.2 | 50.5 | 2.93 |
| CWD | 66.6 | 12.8 | 38.5 | 50.4 | 2.93 |
| HFD | 66.9 | 13.0 | 38.4 | 50.8 | 2.93 |
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采用不同特征蒸馏方法的实验结果
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| 蒸馏方法 | mAP/% | APs/% | APm/% | APl/% | Np/106 |
| DSODet | 65.6 | 12.6 | 37.3 | 49.7 | 2.93 |
| MGD | 66.3 | 12.7 | 38.0 | 50.3 | 2.93 |
| FGD | 66.5 | 12.9 | 38.2 | 50.5 | 2.93 |
| CWD | 66.6 | 12.8 | 38.5 | 50.4 | 2.93 |
| HFD | 66.9 | 13.0 | 38.4 | 50.8 | 2.93 |
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| 模型名称 | mAP/% | APs/% | APm/% | APl/% | MR/% | Np/106 | GFLOPs | FPS |
| Faster R-CNN | 53.4 | 0.7 | 17.9 | 46.4 | 67.9 | 41.4 | 64.0 | 30 |
| Cascade R-CNN | 52.9 | 0.8 | 19.0 | 46.5 | 66.9 | 69.4 | 92.0 | 19 |
| Sparse RCNN | 54.6 | 5.0 | 19.4 | 33.6 | 61.3 | 106.0 | 45.8 | 30 |
| Dyhead | 46.8 | 3.1 | 21.8 | 44.5 | 58.3 | 38.9 | 28.4 | 23 |
| SSD | 41.1 | 2.7 | 15.2 | 37.6 | 58.0 | 24.2 | 30.5 | 57 |
| YOLOX | 54.0 | 6.1 | 24.9 | 42.6 | 42.6 | 5.1 | 3.2 | 70 |
| YOLOv5 | 51.7 | 5.6 | 23.9 | 38.1 | 55.1 | 1.8 | 4.1 | 77 |
| YOLOv8 | 56.9 | 6.3 | 29.4 | 47.0 | 47.8 | 3.2 | 8.9 | 167 |
| YOLOv9 | 63.3 | 9.4 | 34.7 | 52.7 | 42.2 | 14.0 | 52.9 | 59 |
| YOLOv10 | 54.0 | 6.1 | 29.1 | 46.5 | 46.0 | 2.7 | 8.2 | 184 |
| YOLOv11 | 55.1 | 6.4 | 29.5 | 47.3 | 50.0 | 2.6 | 6.3 | 193 |
| DETR | 29.9 | 1.0 | 7.6 | 29.9 | 69.2 | 41.6 | 25.1 | 60 |
| DAB-DETR | 37.8 | 4.6 | 15.3 | 21.7 | 64.4 | 43.7 | 29.4 | 47 |
| DINO | 57.5 | 7.4 | 28.6 | 46.9 | 45.2 | 47.6 | 80.4 | 19 |
| RT-DETR | 53.5 | 7.3 | 27.5 | 41.7 | 49.7 | 41.9 | 125.6 | 34 |
| DSODet(ours) | 66.9 | 13.0 | 38.4 | 50.8 | 40.7 | 2.9 | 13.7 | 144 |
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不同算法模型的性能对比结果
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| 模型名称 | mAP/% | APs/% | APm/% | APl/% | MR/% | Np/106 | GFLOPs | FPS |
| Faster R-CNN | 53.4 | 0.7 | 17.9 | 46.4 | 67.9 | 41.4 | 64.0 | 30 |
| Cascade R-CNN | 52.9 | 0.8 | 19.0 | 46.5 | 66.9 | 69.4 | 92.0 | 19 |
| Sparse RCNN | 54.6 | 5.0 | 19.4 | 33.6 | 61.3 | 106.0 | 45.8 | 30 |
| Dyhead | 46.8 | 3.1 | 21.8 | 44.5 | 58.3 | 38.9 | 28.4 | 23 |
| SSD | 41.1 | 2.7 | 15.2 | 37.6 | 58.0 | 24.2 | 30.5 | 57 |
| YOLOX | 54.0 | 6.1 | 24.9 | 42.6 | 42.6 | 5.1 | 3.2 | 70 |
| YOLOv5 | 51.7 | 5.6 | 23.9 | 38.1 | 55.1 | 1.8 | 4.1 | 77 |
| YOLOv8 | 56.9 | 6.3 | 29.4 | 47.0 | 47.8 | 3.2 | 8.9 | 167 |
| YOLOv9 | 63.3 | 9.4 | 34.7 | 52.7 | 42.2 | 14.0 | 52.9 | 59 |
| YOLOv10 | 54.0 | 6.1 | 29.1 | 46.5 | 46.0 | 2.7 | 8.2 | 184 |
| YOLOv11 | 55.1 | 6.4 | 29.5 | 47.3 | 50.0 | 2.6 | 6.3 | 193 |
| DETR | 29.9 | 1.0 | 7.6 | 29.9 | 69.2 | 41.6 | 25.1 | 60 |
| DAB-DETR | 37.8 | 4.6 | 15.3 | 21.7 | 64.4 | 43.7 | 29.4 | 47 |
| DINO | 57.5 | 7.4 | 28.6 | 46.9 | 45.2 | 47.6 | 80.4 | 19 |
| RT-DETR | 53.5 | 7.3 | 27.5 | 41.7 | 49.7 | 41.9 | 125.6 | 34 |
| DSODet(ours) | 66.9 | 13.0 | 38.4 | 50.8 | 40.7 | 2.9 | 13.7 | 144 |
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