Admitting Ignorance Helps the Video Question Answering Models to Answer

• URL: http://arxiv.org/abs/2501.08771v1
• Date: Wed, 15 Jan 2025 12:44:52 GMT
• Title: Admitting Ignorance Helps the Video Question Answering Models to Answer
• Authors: Haopeng Li, Tom Drummond, Mingming Gong, Mohammed Bennamoun, Qiuhong Ke,
• Abstract summary: We argue that models often establish shortcuts, resulting in spurious correlations between questions and answers. We propose a novel training framework in which the model is compelled to acknowledge its ignorance when presented with an intervened question. In practice, we integrate a state-of-the-art model into our framework to validate its effectiveness.
• Score: 82.22149677979189
• License:
• Abstract: Significant progress has been made in the field of video question answering (VideoQA) thanks to deep learning and large-scale pretraining. Despite the presence of sophisticated model structures and powerful video-text foundation models, most existing methods focus solely on maximizing the correlation between answers and video-question pairs during training. We argue that these models often establish shortcuts, resulting in spurious correlations between questions and answers, especially when the alignment between video and text data is suboptimal. To address these spurious correlations, we propose a novel training framework in which the model is compelled to acknowledge its ignorance when presented with an intervened question, rather than making guesses solely based on superficial question-answer correlations. We introduce methodologies for intervening in questions, utilizing techniques such as displacement and perturbation, and design frameworks for the model to admit its lack of knowledge in both multi-choice VideoQA and open-ended settings. In practice, we integrate a state-of-the-art model into our framework to validate its effectiveness. The results clearly demonstrate that our framework can significantly enhance the performance of VideoQA models with minimal structural modifications.

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