基于改进YOLOv5模型的人车冲突概率评估

余 龙阳
西华大学

摘要


在无信控交叉口环境中,为了提升对行人与车辆之间的冲突概率的评估精度,本文提出了一种基于
YOLOv5的改进模型。该模型首先利用 YOLOv5和DeepSORT技术识别车辆与行人之间的相对位置并进行轨迹跟
踪;其次,通过 LPET方法判别行人与车辆的冲突程度;最后,采用 SPSS进行数据分析,验证模型的有效性并计算
人车冲突概率。数据分析结果表明,模型的显著性水平 P=0.000,小于常规显著性水平,证明该冲突模型能够有效识
别无信控交叉口的人车冲突。与 YOLOv5模型对比,改进模型的准确率提升了 0.07%,表明其在无信控交叉口人车冲
突识别上具备更高的精度。

关键词


无信控交叉口;人车冲突;YOLOv5;DeepSORT;LPET

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