Keywords: visually-grounded language modeling, visual commonsense reasoning, pre-trained visually-augmented language model
TL;DR: We propose a novel pre-trained framework, to Visually-augment text tokens with retrieved relevant images for multimodal grounded Language Modeling.
Abstract: Human language is grounded on multimodal knowledge including visual knowledge like colors, sizes, and shapes. However, current large-scale pre-trained language models rely on the text-only self-supervised training with massive text data, which precludes them from utilizing relevant visual information when necessary. To address this, we propose a novel pre-training framework, named VaLM, to Visually-augment text tokens with retrieved relevant images for Language Modeling. Specifically, VaLM builds on a novel latent text-image alignment method via an image retrieval module to fetch corresponding images given a textual context. With the visually-augmented context, VaLM uses a visual knowledge fusion layer to enable multimodal grounded language modeling by attending on both text context and visual knowledge in images. We evaluate VaLM on various visual knowledge intensive commonsense reasoning tasks, which require visual information to excel. The experimental results illustrate that VaLM outperforms all strong language-only and vision-language baselines with substantial gains on reasoning object commonsense including color, size, and shape.
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