An Empirical Study on the Language Modal in Visual Question Answering

• URL: http://arxiv.org/abs/2305.10143v2
• Date: Tue, 5 Sep 2023 02:52:36 GMT
• Title: An Empirical Study on the Language Modal in Visual Question Answering
• Authors: Daowan Peng, Wei Wei, Xian-Ling Mao, Yuanyuan Fu, Dangyang Chen
• Abstract summary: Generalization beyond in-domain experience to out-of-distribution data is of paramount significance in the AI domain. This paper attempts to provide new insights into the influence of language modality on VQA performance.
• Score: 31.692905677913068
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Generalization beyond in-domain experience to out-of-distribution data is of paramount significance in the AI domain. Of late, state-of-the-art Visual Question Answering (VQA) models have shown impressive performance on in-domain data, partially due to the language priors bias which, however, hinders the generalization ability in practice. This paper attempts to provide new insights into the influence of language modality on VQA performance from an empirical study perspective. To achieve this, we conducted a series of experiments on six models. The results of these experiments revealed that, 1) apart from prior bias caused by question types, there is a notable influence of postfix-related bias in inducing biases, and 2) training VQA models with word-sequence-related variant questions demonstrated improved performance on the out-of-distribution benchmark, and the LXMERT even achieved a 10-point gain without adopting any debiasing methods. We delved into the underlying reasons behind these experimental results and put forward some simple proposals to reduce the models' dependency on language priors. The experimental results demonstrated the effectiveness of our proposed method in improving performance on the out-of-distribution benchmark, VQA-CPv2. We hope this study can inspire novel insights for future research on designing bias-reduction approaches.

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