ScVLM: a Vision-Language Model for Driving Safety Critical Event Understanding

• URL: http://arxiv.org/abs/2410.00982v1
• Date: Tue, 1 Oct 2024 18:10:23 GMT
• Title: ScVLM: a Vision-Language Model for Driving Safety Critical Event Understanding
• Authors: Liang Shi, Boyu Jiang, Feng Guo,
• Abstract summary: We propose ScVLM, a hybrid approach that combines supervised learning and contrastive learning to improve driving video understanding and event description. The proposed approach is trained on and evaluated by more than 8,600 SCEs from the Second Strategic Highway Research Program Naturalistic Driving Study dataset.
• Score: 6.461440777667878
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Accurately identifying, understanding, and describing driving safety-critical events (SCEs), including crashes and near-crashes, is crucial for traffic safety, automated driving systems, and advanced driver assistance systems research and application. As SCEs are rare events, most general Vision-Language Models (VLMs) have not been trained sufficiently to link SCE videos and narratives, which could lead to hallucination and missing key safety characteristics. To tackle these challenges, we propose ScVLM, a hybrid approach that combines supervised learning and contrastive learning to improve driving video understanding and event description rationality for VLMs. The proposed approach is trained on and evaluated by more than 8,600 SCEs from the Second Strategic Highway Research Program Naturalistic Driving Study dataset, the largest publicly accessible driving dataset with videos and SCE annotations. The results demonstrate the superiority of the proposed approach in generating contextually accurate event descriptions and mitigate hallucinations from VLMs.

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