Adaptive GLMB filter with IoU-based birth modeling for UAV visual multi-object tracking

IF 3.4 2区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Haiyi Tong, Dekang Zhu, Hongbo Guo, Zhou Zhang
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引用次数: 0

Abstract

This paper proposes an Intersection-over-Union-based Adaptive Birth Generalized Labeled Multi-Bernoulli (IoU-AB-GLMB) filter for UAV-based multi-object tracking (MOT), specifically designed to address challenges posed by small objects with indistinct appearance features and time-varying object numbers. The proposed method introduces an IoU-based adaptive birth probability estimation model, where detected bounding boxes are clustered using IoU metrics to analyze spatial relationships, allowing the identification of unassociated or weakly associated measurements as birth targets. Additionally, we also enhance the Gibbs sampling truncation strategy by incorporating hypothesis weights and target count constraints, enabling adaptive truncation to improve computational efficiency while maintaining critical track hypotheses. Built on the GLMB framework, our proposed filter provides a unified probabilistic model that handles detection uncertainty, target survival, birth, and disappearance through Bayesian recursion, eliminating the need for manually defined rules. Furthermore, instead of committing to a single optimal association, the GLMB filter retains multiple association hypotheses at each iteration, allowing for a more robust treatment of uncertainty. Experimental results show that IoU-AB-GLMB achieves MOT accuracy 41.29% and 39.07% on VisDrone and UAVDT. Despite not relying on appearance cues, our method performs comparably to state-of-the-art appearance-based trackers StrongSORT (43.06% on VisDrone; 27.93% on UAVDT). These results underscore the effectiveness of our algorithm in UAV tracking scenarios.
基于iou出生建模的自适应GLMB滤波器用于无人机视觉多目标跟踪
本文提出了一种用于无人机多目标跟踪(MOT)的基于交集的自适应出生广义标记多伯努利(iu - ab - glmb)滤波器,专门用于解决外观特征不清晰和目标数量随时间变化的小目标所带来的挑战。该方法引入了一种基于IoU的自适应出生概率估计模型,利用IoU度量对检测到的边界框进行聚类,分析空间关系,从而识别不相关或弱相关的测量作为出生目标。此外,我们还通过纳入假设权重和目标计数约束来增强Gibbs抽样截断策略,使自适应截断能够在保持关键轨迹假设的同时提高计算效率。基于GLMB框架,我们提出的过滤器提供了一个统一的概率模型,该模型通过贝叶斯递归处理检测不确定性、目标存活、出生和消失,从而消除了手动定义规则的需要。此外,GLMB过滤器在每次迭代中保留多个关联假设,而不是提交单个最优关联,从而允许对不确定性进行更稳健的处理。实验结果表明,IoU-AB-GLMB在VisDrone和UAVDT上的MOT精度分别为41.29%和39.07%。尽管不依赖于外观线索,但我们的方法与最先进的基于外观的跟踪器StrongSORT(43.06%)相当;UAVDT为27.93%)。这些结果强调了我们的算法在无人机跟踪场景中的有效性。
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来源期刊
Signal Processing
Signal Processing 工程技术-工程:电子与电气
CiteScore
9.20
自引率
9.10%
发文量
309
审稿时长
41 days
期刊介绍: Signal Processing incorporates all aspects of the theory and practice of signal processing. It features original research work, tutorial and review articles, and accounts of practical developments. It is intended for a rapid dissemination of knowledge and experience to engineers and scientists working in the research, development or practical application of signal processing. Subject areas covered by the journal include: Signal Theory; Stochastic Processes; Detection and Estimation; Spectral Analysis; Filtering; Signal Processing Systems; Software Developments; Image Processing; Pattern Recognition; Optical Signal Processing; Digital Signal Processing; Multi-dimensional Signal Processing; Communication Signal Processing; Biomedical Signal Processing; Geophysical and Astrophysical Signal Processing; Earth Resources Signal Processing; Acoustic and Vibration Signal Processing; Data Processing; Remote Sensing; Signal Processing Technology; Radar Signal Processing; Sonar Signal Processing; Industrial Applications; New Applications.
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