CAVL: Learning Contrastive and Adaptive Representations of Vision and Language

• URL: http://arxiv.org/abs/2304.04399v1
• Date: Mon, 10 Apr 2023 05:54:03 GMT
• Title: CAVL: Learning Contrastive and Adaptive Representations of Vision and Language
• Authors: Shentong Mo, Jingfei Xia, Ihor Markevych
• Abstract summary: Visual and linguistic pre-training aims to learn vision and language representations together. Current pre-trained models tend to take lots of computation resources for fine-tuning when transferred to downstream tasks. We present a simple but effective approach for learning Contrastive and Adaptive representations of Vision and Language, namely CAVL.
• Score: 10.57079240576682
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Visual and linguistic pre-training aims to learn vision and language representations together, which can be transferred to visual-linguistic downstream tasks. However, there exists semantic confusion between language and vision during the pre-training stage. Moreover, current pre-trained models tend to take lots of computation resources for fine-tuning when transferred to downstream tasks. In this work, we present a simple but effective approach for learning Contrastive and Adaptive representations of Vision and Language, namely CAVL. Specifically, we introduce a pair-wise contrastive loss to learn alignments between the whole sentence and each image in the same batch during the pre-training process. At the fine-tuning stage, we introduce two lightweight adaptation networks to reduce model parameters and increase training speed for saving computation resources. We evaluate our CAVL on six main downstream tasks, including Visual Question Answering (VQA), Visual Commonsense Reasoning (VCR), Natural Language for Visual Reasoning (NLVR), Region-to-Phrase Grounding (RPG), Text-to-Image Retrieval (TIR), and Zero-shot Text-to-Image Retrieval (ZS-TIR). Compared to baselines, we achieve superior performance and reduce the fine-tuning time by a large margin (in particular, 76.17%). Extensive experiments and ablation studies demonstrate the efficiency of contrastive pre-training and adaptive fine-tuning proposed in our CAVL.

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