Most recent state-of-the-art Visual Question Answering (VQA) systems are opaque black boxes that are only trained to fit the answer distribution given the question and visual content. As a result, these systems frequently take shortcuts, focusing on simple visual concepts or question priors. This phenomenon becomes more problematic as the questions become complex that requires more reasoning and commonsense knowledge. To address this issue, we present a novel framework that uses explanations for competing answers to help VQA systems select the correct answer. By training on human textual explanations, our framework builds better representations for the questions and visual content, and then reweights confidences in the answer candidates using either generated or retrieved explanations from the training set. We evaluate our framework on the VQA-X dataset, which has more difficult questions with human explanations, achieving new state-of-the-art results on both VQA and its explanations.

该研究提出了一种使用人工文本解释帮助视觉问答（VQA）系统选择正确答案的新框架，通过在人类文本解释上进行训练，VQA系统可以构建更好的问题和视觉内容的表示，并重新计算训练集中生成或检索到的解释的置信度，该方法在VQA和其解释上实现了新的最先进的结果。

通过比较竞争性解释来改进VQA及其解释