Data-Driven Semi-Supervised Machine Learning with Safety Indicators for Abnormal Driving Behavior Detection

• URL: http://arxiv.org/abs/2312.04610v7
• Date: Tue, 18 Mar 2025 12:13:54 GMT
• Title: Data-Driven Semi-Supervised Machine Learning with Safety Indicators for Abnormal Driving Behavior Detection
• Authors: Yongqi Dong, Lanxin Zhang, Haneen Farah, Arkady Zgonnikov, Bart van Arem,
• Abstract summary: This study develops a hierarchical extreme learning machine (HELM)-based semi-supervised machine (ML) method to detect abnormal driving behaviors.<n>Results show that the proposed semi-supervised ML model delivers the best accuracy at 99.58% and the best F1-score at 0.9913.<n>The study further highlights the significance of safety indicators for advancing the detection performance of abnormal driving behaviors.
• Score: 6.972018255192681
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Detecting abnormal driving behavior is critical for road traffic safety and the evaluation of drivers' behavior. With the advancement of machine learning (ML) algorithms and the accumulation of naturalistic driving data, many ML models have been adopted for abnormal driving behavior detection (also referred to in this paper as "anomalies"). Most existing ML-based detectors rely on (fully) supervised ML methods, which require substantial labeled data. However, ground truth labels are not always available in the real world, and labeling large amounts of data is tedious. Thus, there is a need to explore unsupervised or semi-supervised methods to make the anomaly detection process more feasible and efficient. To fill this research gap, this study analyzes large-scale real-world data revealing several abnormal driving behaviors (e.g., sudden acceleration, rapid lane-changing) and develops a hierarchical extreme learning machine (HELM)-based semi-supervised ML method using partly labeled data to detect the identified abnormal driving behaviors. Moreover, previous ML-based approaches predominantly utilized basic vehicle motion features (such as velocity and acceleration) to label and detect abnormal driving behaviors, while this study seeks to introduce event-level safety indicators as input features for ML models to improve detection performance. Results from extensive experiments demonstrate the effectiveness of the proposed semi-supervised ML model with the introduced safety indicators serving as important features. The proposed semi-supervised ML method outperforms other baseline semi-supervised or unsupervised methods: for example, it delivers the best accuracy at 99.58% and the best F1-score at 0.9913. The ablation study further highlights the significance of safety indicators for advancing the detection performance of abnormal driving behaviors.

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