arXiv:2508.01730cs.CV2025-08AAAI被引 6

用外观引导运动建模,提升无人机视频多目标跟踪稳定性。

Tracking the Unstable: Appearance-Guided Motion Modeling for Robust Multi-Object Tracking in UAV-Captured Videos

  • 联合外观与运动信息,构建双向一致性矩阵增强关联
  • 在三个无人机数据集上实现最优性能,尤其减少漏检导致的轨迹断裂
  • 无需训练、可直接插入现有系统,适合工程部署

多目标跟踪(MOT)旨在保持视频中多个目标的身份一致性。在无人机(UAV)拍摄的视频中,频繁的视角变化和复杂的无人机-地面相对运动动力学导致亲和度测量不稳定,关联模糊。现有方法通常单独建模运动与外观特征,忽视其时空交互,影响跟踪效果。本文提出AMOT,通过两个核心组件联合利用外观与运动信息:外观-运动一致性(AMC)矩阵,在外观特征引导下计算双向空间一致性,提升身份关联的可靠性;运动感知轨迹延续(MTC)模块则基于外观引导预测,与卡尔曼预测对齐,重新激活未匹配轨迹,降低因漏检造成的轨迹断裂。在VisDrone2019、UAVDT和VT-MOT-UAV三个无人机基准上的大量实验表明,AMOT优于当前最先进方法,且具备即插即用、无需训练的良好泛化能力。

原文摘要 · Abstract (English)

Multi-object tracking (MOT) aims to track multiple objects while maintaining consistent identities across frames of a given video. In unmanned aerial vehicle (UAV) recorded videos, frequent viewpoint changes and complex UAV-ground relative motion dynamics pose significant challenges, which often lead to unstable affinity measurement and ambiguous association. Existing methods typically model motion and appearance cues separately, overlooking their spatio-temporal interplay and resulting in suboptimal tracking performance. In this work, we propose AMOT, which jointly exploits appearance and motion cues through two key components: an Appearance-Motion Consistency (AMC) matrix and a Motion-aware Track Continuation (MTC) module. Specifically, the AMC matrix computes bi-directional spatial consistency under the guidance of appearance features, enabling more reliable and context-aware identity association. The MTC module complements AMC by reactivating unmatched tracks through appearance-guided predictions that align with Kalman-based predictions, thereby reducing broken trajectories caused by missed detections. Extensive experiments on three UAV benchmarks, including VisDrone2019, UAVDT, and VT-MOT-UAV, demonstrate that our AMOT outperforms current state-of-the-art methods and generalizes well in a plug-and-play and training-free manner.

多目标跟踪无人机视频外观引导轨迹延续

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