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VT-CLIP: Enhancing Vision-Language Models with Visual-guided Texts

2021-12-04 18:34:24
Renrui Zhang, Longtian Qiu, Wei Zhang, Ziyao Zeng

Abstract

Contrastive Vision-Language Pre-training (CLIP) has drown increasing attention recently for its transferable visual representation learning. Supervised by large-scale image-text pairs, CLIP is able to align paired images and texts and thus conduct zero-shot recognition in open-vocabulary scenarios. However, there exists semantic gap between the specific application and generally pre-trained knowledge, which makes the matching sub-optimal on downstream tasks. In this paper, we propose VT-CLIP to enhance vision-language modeling via visual-guided texts. Specifically, we guide the text feature to adaptively explore informative regions on the image and aggregate the visual feature by cross-attention machanism. In this way, the visual-guided text become more semantically correlated with the image, which greatly benefits the matching process. In few-shot settings, we evaluate our VT-CLIP on 11 well-known classification datasets and experiment extensive ablation studies to demonstrate the effectiveness of VT-CLIP. The code will be released soon.

Abstract (translated)

URL

https://arxiv.org/abs/2112.02399

PDF

https://arxiv.org/pdf/2112.02399.pdf


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