TUMTraffic-VideoQA: A Benchmark for Unified Spatio-Temporal Video Understanding in Traffic Scenes

• URL: http://arxiv.org/abs/2502.02449v1
• Date: Tue, 04 Feb 2025 16:14:40 GMT
• Title: TUMTraffic-VideoQA: A Benchmark for Unified Spatio-Temporal Video Understanding in Traffic Scenes
• Authors: Xingcheng Zhou, Konstantinos Larintzakis, Hao Guo, Walter Zimmer, Mingyu Liu, Hu Cao, Jiajie Zhang, Venkatnarayanan Lakshminarasimhan, Leah Strand, Alois C. Knoll,
• Abstract summary: We present TUMTraffic-VideoQA, a dataset and benchmark designed for understanding complex traffic scenarios.<n>The dataset comprises 1,000 videos, featuring 85,000 multiple-choice pairs, 2,300 object captioning, and 5,700 object annotations, encompassing diverse real-world conditions such as adverse weather and traffic anomalies.
• Score: 26.948071735495237
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: We present TUMTraffic-VideoQA, a novel dataset and benchmark designed for spatio-temporal video understanding in complex roadside traffic scenarios. The dataset comprises 1,000 videos, featuring 85,000 multiple-choice QA pairs, 2,300 object captioning, and 5,700 object grounding annotations, encompassing diverse real-world conditions such as adverse weather and traffic anomalies. By incorporating tuple-based spatio-temporal object expressions, TUMTraffic-VideoQA unifies three essential tasks-multiple-choice video question answering, referred object captioning, and spatio-temporal object grounding-within a cohesive evaluation framework. We further introduce the TUMTraffic-Qwen baseline model, enhanced with visual token sampling strategies, providing valuable insights into the challenges of fine-grained spatio-temporal reasoning. Extensive experiments demonstrate the dataset's complexity, highlight the limitations of existing models, and position TUMTraffic-VideoQA as a robust foundation for advancing research in intelligent transportation systems. The dataset and benchmark are publicly available to facilitate further exploration.

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