SC-ML: Self-supervised Counterfactual Metric Learning for Debiased Visual Question Answering

• URL: http://arxiv.org/abs/2304.01647v1
• Date: Tue, 4 Apr 2023 09:05:11 GMT
• Title: SC-ML: Self-supervised Counterfactual Metric Learning for Debiased Visual Question Answering
• Authors: Xinyao Shu and Shiyang Yan and Xu Yang and Ziheng Wu and Zhongfeng Chen and Zhenyu Lu
• Abstract summary: We propose a self-supervised counterfactual metric learning (SC-ML) method to focus the image features better. SC-ML can adaptively select the question-relevant visual features to answer the question, reducing the negative influence of question-irrelevant visual features on inferring answers.
• Score: 10.749155815447127
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Visual question answering (VQA) is a critical multimodal task in which an agent must answer questions according to the visual cue. Unfortunately, language bias is a common problem in VQA, which refers to the model generating answers only by associating with the questions while ignoring the visual content, resulting in biased results. We tackle the language bias problem by proposing a self-supervised counterfactual metric learning (SC-ML) method to focus the image features better. SC-ML can adaptively select the question-relevant visual features to answer the question, reducing the negative influence of question-irrelevant visual features on inferring answers. In addition, question-irrelevant visual features can be seamlessly incorporated into counterfactual training schemes to further boost robustness. Extensive experiments have proved the effectiveness of our method with improved results on the VQA-CP dataset. Our code will be made publicly available.

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