A two-pass coarse-to-fine pipeline using a frozen Qwen3-VL model, YOLO11x, and BoT-SORT achieves a harmonic mean of 0.504 on the ACCIDENT@CVPR zero-shot test set, beating the best published baseline by 22%.
Traffic accident detection yolo11x
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Zero-Shot Traffic Accident Detection via a Coarse-to-Fine VLM-Tracking Pipeline
A two-pass coarse-to-fine pipeline using a frozen Qwen3-VL model, YOLO11x, and BoT-SORT achieves a harmonic mean of 0.504 on the ACCIDENT@CVPR zero-shot test set, beating the best published baseline by 22%.