Training-Free Action Recognition and Goal Inference with Dynamic Frame Selection

• URL: http://arxiv.org/abs/2401.12471v2
• Date: Wed, 28 Aug 2024 09:48:24 GMT
• Title: Training-Free Action Recognition and Goal Inference with Dynamic Frame Selection
• Authors: Ee Yeo Keat, Zhang Hao, Alexander Matyasko, Basura Fernando,
• Abstract summary: VidTFS is a Training-free, open-vocabulary video goal and action inference framework. Our experiments demonstrate that the proposed frame selection module improves the performance of the framework significantly. We validate the performance of the proposed VidTFS on four widely used video datasets.
• Score: 51.004020874336284
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We introduce VidTFS, a Training-free, open-vocabulary video goal and action inference framework that combines the frozen vision foundational model (VFM) and large language model (LLM) with a novel dynamic Frame Selection module. Our experiments demonstrate that the proposed frame selection module improves the performance of the framework significantly. We validate the performance of the proposed VidTFS on four widely used video datasets, including CrossTask, COIN, UCF101, and ActivityNet, covering goal inference and action recognition tasks under open-vocabulary settings without requiring any training or fine-tuning. The results show that VidTFS outperforms pretrained and instruction-tuned multimodal language models that directly stack LLM and VFM for downstream video inference tasks. Our VidTFS with its adaptability shows the future potential for generalizing to new training-free video inference tasks.

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