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Freeway traffic state classification using vehicle trajectory data
DOI:10.3389/ffutr.2026.1662480.png)
摘要
En 中文
本研究提出FCM-RF-SMOTE框架,以解决实时高速公路交通状态分类中的数据不平衡问题。该框架整合了模糊C均值(FCM)、随机森林(RF)和合成少数类过采样技术(SMOTE)。交通状态基于FCM聚类中心得出的定量阈值分为四类(畅通、稳定、拥堵和严重拥堵)。验证采用SUMO仿真结合高斯噪声和10 Hz采样率,以近似毫米波雷达特性。结果表明,所提框架将严重拥堵类的表示率从3.67%显著提升至19.83%,进而将总体分类准确率从77.67%提高至97.80%,相较于基线方法在处理不平衡数据集方面展现出更优性能。研究结果表明该算法对交通监测系统具有鲁棒性,尤其擅长识别少数类交通状态,未来计划进行物理传感器验证。
Keyword:
freeway
fuzzy c-means
random forest
SMOTE
traffic state classification
vehicle trajectory data
期刊
F
IF:
1.5
论文数:
32
被引数:
194
机构
引用论文
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