计算机科学 ›› 2025, Vol. 52 ›› Issue (11A): 241100155-8.doi: 10.11896/jsjkx.241100155
马一心1, 曾军皓2, 杨鑫岩3, 梁刚3
MA Yixin1, ZENG Junhao2, YANG Xinyan3, LIANG Gang3
摘要: 无关人员自动识别旨在检测并识别视频中的无关人员,以解决其隐私保护问题。现有的隐私保护方法通过提取高级视觉特征识别与主题无关的个人。然而,高级特征的提取会显著影响视频的处理效率,难以处理海量视频数据。同时,现有的单帧识别方法没有考虑目标的时序特征,导致准确率较低。因此,提出了一种自动识别算法以高效识别无关人员,引入了多目标追踪方法来判断人物与视频之间的相关性。该方法能够从个人运动轨迹的时间和空间两个维度提取5种轻量特征。此外,为了解决视频运动过程中遮挡和模糊带来的挑战,采用了基于观察的轨迹关联算法,旨在提高运动跟踪的准确性。在各种数据集上进行了实验验证,结果表明,所提出的方法在各种指标上相较于当前的先进方法表现出显著的提升,其中MOTA指标最高提高10.87个百分点,HOTA指标最高提高10.95个百分点,无关人员识别的准确率达到98.13%。
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