Article(id=1149776908407238736, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2309042, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1700150400000, receivedDateStr=2023-11-17, revisedDate=1723219200000, revisedDateStr=2024-08-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1752057776786, onlineDateStr=2025-07-09, pubDate=1744905600000, pubDateStr=2025-04-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752057776786, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752057776786, creator=13701087609, updateTime=1752057776786, updator=13701087609, issue=Issue{id=1149776900194791454, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='11', pageStart='4397', pageEnd='4826', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752057774827, creator=13701087609, updateTime=1768456666677, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1218558837930512931, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1218558837930512932, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1149776900194791454, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=4605, endPage=4611, ext={EN=ArticleExt(id=1149776908856029265, articleId=1149776908407238736, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Vehicle Target Tracking Based on Improved Adaptive Interacting Multiple Model-unscented Kalman Filter Algorithm, columnId=1172606853226840582, journalTitle=Science Technology and Engineering, columnName=Papers·Electronic and Communicational Technology, runingTitle=null, highlight=null, articleAbstract=
In order to solve the problems of the traditional interactive multiple model (IMM) algorithm in vehicle target tracking, such as the model probability change is not obvious and the tracking accuracy is insufficient, an improved adaptive IMM-UKF(unscented Kalman filter) algorithm was proposed. Firstly, the vehicle motion model was established by using uniform speed straight line, uniform acceleration straight line and uniform turning, and the vehicle target was tracked by unscented Kalman filter. Then, the probability change rate of sub model was used as the correction parameter of IMM algorithm, and different correction strategies were adopted for the main diagonal and non main diagonal elements of Markov matrix. Finally, the decision window was set to modify the main diagonal element of the normalized Markov matrix to expand the probability of matching model. The results show that the probability of the improved algorithm model changes more obviously, and the root mean square errors of position and velocity are less than the original algorithm, which effectively improves the tracking accuracy.
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为解决传统交互式多模型(interactive multiple model,IMM)算法在车辆目标跟踪中存在模型概率变化不明显和跟踪精度不足问题,提出一种改进的自适应IMM-UKF(unscented Kalman filter)算法。首先采用匀速直线、匀加速直线和匀速转弯来建立车辆的运动模型,并通过无迹卡尔曼滤波对车辆目标进行跟踪。然后将子模型概率变化率作为IMM算法修正参数,对马尔可夫矩阵主对角线和非主对角线元素采用不同的修正策略。最后设置判定窗修正归一化后的马尔可夫矩阵主对角线元素,以扩大匹配模型的概率。结果表明,改进算法模型概率变化更加明显,位置和速度均方根误差均要小于原有算法,有效地提高了跟踪精度。
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南奔洋(2000—),男,汉族,陕西省咸阳人,硕士研究生。研究方向:多目标跟踪。E-mail:3456235358@qq.com。
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南奔洋(2000—),男,汉族,陕西省咸阳人,硕士研究生。研究方向:多目标跟踪。E-mail:3456235358@qq.com。
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28(1): 40-45., articleTitle=Research on IMM-GMPHD algorithm of modified Markov matrix, refAbstract=null)], funds=[Fund(id=1233842767693140138, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, awardId=52262052, language=CN, fundingSource=国家自然科学基金(52262052), fundOrder=null, country=null), Fund(id=1233842767785414827, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, awardId=桂科AA22372, language=CN, fundingSource=广西创新驱动重大专项(桂科AA22372), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1233842761334575225, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, xref=null, ext=[AuthorCompanyExt(id=1233842761342963834, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, companyId=1233842761334575225, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China), AuthorCompanyExt(id=1233842761351352443, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, companyId=1233842761334575225, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=桂林电子科技大学机电工程学院, 桂林 541004)])], figs=[ArticleFig(id=1233842764832624790, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.1, caption=
IMM-UKF algorithm process, figureFileSmall=8X2z9t+FHpa9fUvvR/nKIw==, figureFileBig=7iC+MgnGpKbXGDSE+XwuAw==, tableContent=null), ArticleFig(id=1233842764924899479, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图1, caption=
IMM-UKF算法流程, figureFileSmall=8X2z9t+FHpa9fUvvR/nKIw==, figureFileBig=7iC+MgnGpKbXGDSE+XwuAw==, tableContent=null), ArticleFig(id=1233842765033951384, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.2, caption=
Tracking trajectory, figureFileSmall=Qb1tcgKUFWoAVXB3H28ZGw==, figureFileBig=aFo/sytSX0JRkDLTGa3LMA==, tableContent=null), ArticleFig(id=1233842765101060249, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图2, caption=
跟踪轨迹, figureFileSmall=Qb1tcgKUFWoAVXB3H28ZGw==, figureFileBig=aFo/sytSX0JRkDLTGa3LMA==, tableContent=null), ArticleFig(id=1233842765201723546, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.3, caption=
RMSE of position, figureFileSmall=TpgsQcxcNCJQOugHePc0BQ==, figureFileBig=FYTpAVZaTVnJNt4PTmRoDA==, tableContent=null), ArticleFig(id=1233842765281415323, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图3, caption=
位置均方根误差, figureFileSmall=TpgsQcxcNCJQOugHePc0BQ==, figureFileBig=FYTpAVZaTVnJNt4PTmRoDA==, tableContent=null), ArticleFig(id=1233842765373690012, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.4, caption=
Speed estimation, figureFileSmall=OWfU4xzp1wgYM8zGkagrhw==, figureFileBig=Ch5xiALs8IwpJmLD+05rGA==, tableContent=null), ArticleFig(id=1233842765461770397, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图4, caption=
速度估计, figureFileSmall=OWfU4xzp1wgYM8zGkagrhw==, figureFileBig=Ch5xiALs8IwpJmLD+05rGA==, tableContent=null), ArticleFig(id=1233842765604376734, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.5, caption=
RMSE of velocity, figureFileSmall=6XQ/k/HdqMIt5eaQE1arVA==, figureFileBig=wYYkMn5W4b1D10tfmf0j3A==, tableContent=null), ArticleFig(id=1233842765713428639, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图5, caption=
速度均方根误差, figureFileSmall=6XQ/k/HdqMIt5eaQE1arVA==, figureFileBig=wYYkMn5W4b1D10tfmf0j3A==, tableContent=null), ArticleFig(id=1233842765793120416, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.6, caption=
Model probability of three algorithm, figureFileSmall=G9UWy0b0bcIYWHWckk+8Ng==, figureFileBig=ZUXmzXnoUwEquDvLXlShfw==, tableContent=null), ArticleFig(id=1233842765902172321, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图6, caption=
模型概率, figureFileSmall=G9UWy0b0bcIYWHWckk+8Ng==, figureFileBig=ZUXmzXnoUwEquDvLXlShfw==, tableContent=null), ArticleFig(id=1233842765998641314, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.7, caption=
RMSE of position for 100 simulations, figureFileSmall=EOHW+e7upDbevghwxHB3cA==, figureFileBig=T7s5927x02XMkW9/Crxpww==, tableContent=null), ArticleFig(id=1233842766082527395, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图7, caption=
仿真100次的位置均方根误差, figureFileSmall=EOHW+e7upDbevghwxHB3cA==, figureFileBig=T7s5927x02XMkW9/Crxpww==, tableContent=null), ArticleFig(id=1233842767059800228, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Fig.8, caption=
RMSE of velocity for 100 simulations, figureFileSmall=CKFUMI3PTlUfT+PtmqJpTw==, figureFileBig=NiRQWzgcHRk8B92+vI/HPg==, tableContent=null), ArticleFig(id=1233842767139492005, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=图8, caption=
仿真100次的速度均方根误差, figureFileSmall=CKFUMI3PTlUfT+PtmqJpTw==, figureFileBig=NiRQWzgcHRk8B92+vI/HPg==, tableContent=null), ArticleFig(id=1233842767219183782, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Table 1, caption=
Simulation parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 名称 | 数值 |
| X | 目标初始状态向量 | (1 000,1 000,0,0.5,0,1.5) |
| R | 量测噪声矩阵 | diag(4,4,0.09) |
| T | 采样间隔/s | 0.4 |
| th | 修正阈值 | min=0.8,max=0.95 |
| Q | 过程噪声矩阵 | diag(0.01,0.01,0.01,0.01,0.01,0.01) |
), ArticleFig(id=1233842767340818599, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=表1, caption=
仿真参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 名称 | 数值 |
| X | 目标初始状态向量 | (1 000,1 000,0,0.5,0,1.5) |
| R | 量测噪声矩阵 | diag(4,4,0.09) |
| T | 采样间隔/s | 0.4 |
| th | 修正阈值 | min=0.8,max=0.95 |
| Q | 过程噪声矩阵 | diag(0.01,0.01,0.01,0.01,0.01,0.01) |
), ArticleFig(id=1233842767433093288, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=EN, label=Table 2, caption=
Algorithm performance data
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 平均均方根误差 | | 均方根误差峰值 |
| 位置/m | 速度/ (m·s-1) | 位置/m | 速度/ (m·s-1) |
| 本文算法 | 1.763 | 0.951 | | 2.18 | 1.25 |
| AIMM | 1.793 | 1.021 | | 2.225 | 1.339 |
| 标准IMM-UKF | 1.812 | 1.068 | | 2.234 | 1.374 |
), ArticleFig(id=1233842767504396457, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1149776908407238736, language=CN, label=表2, caption=
算法性能数据
, figureFileSmall=null, figureFileBig=null, tableContent=
| 算法 | 平均均方根误差 | | 均方根误差峰值 |
| 位置/m | 速度/ (m·s-1) | 位置/m | 速度/ (m·s-1) |
| 本文算法 | 1.763 | 0.951 | | 2.18 | 1.25 |
| AIMM | 1.793 | 1.021 | | 2.225 | 1.339 |
| 标准IMM-UKF | 1.812 | 1.068 | | 2.234 | 1.374 |
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