1673-159X

CN 51-1686/N

基于联合检测和特征点匹配的多目标跟踪方法

Research on Multi-Target Tracking Method Based on Joint Detection and Feature Point Matching

  • 摘要: 为提高对车辆、人物目标在遮挡、背景噪声和形变情况下的跟踪效果,提出一种融合静态、动态目标检测和特征点匹配的多目标跟踪方法。首先,采用基于帧间差分(TFCD)的动态检测和Faster R-CNN静态检测相结合的方式,提取感兴趣运动目标;然后,将各邻帧间提取的所有目标域通过“近邻窗”择优方法进行ORB特征点的匹配,从而实现对应目标间的跟踪。在公开目标跟踪实验数据集的测试表明,所提方法在IDF1、SR等指标上优于对比方法,验证了其在多目标跟踪任务中的有效性,尤其是在身份识别优先的应用场景具有优势。

     

    Abstract: To enhance the tracking performance of vehicles and human targets under conditions of occlusion, background noise, and deformation, a multi-target tracking method based on the integration of static,dynamic target detection and feature point matching is proposed. Firstly, the Faster-CNN static detection region and a TFCD dynamic region are obtained separately, and joint detection is implemented to obtain the target of interest (TOI) region. Secondly, ORB feature points are extracted from each target region in current and its next frames, and then feature point matching is performed through a " neighbor window " optimization method to further achieve target matching. Tests on several publicly available experimental datasets show that the proposed method outperforms comparative methods in metrics such as IDF1 and SR, validating its effectiveness in multi-target tracking tasks, particularly in application scenarios prioritizing identity recognition.

     

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