VLDeformer: Learning Visual-Semantic Embeddings by Vision-Language Transformer Decomposing

• URL: http://arxiv.org/abs/2110.11338v1
• Date: Wed, 20 Oct 2021 09:00:51 GMT
• Title: VLDeformer: Learning Visual-Semantic Embeddings by Vision-Language Transformer Decomposing
• Authors: Lisai Zhang and Hongfa Wu and Qingcai Chen and Yimeng Deng and Zhonghua Li and Dejiang Kong and Zhao Cao and Joanna Siebert and Yunpeng Han
• Abstract summary: Vision-language transformers (VL transformers) have shown impressive accuracy in cross-modal retrieval. We propose a novel Vision-language Transformer Decomposing (VLDeformer) to modify the VL transformer as an individual encoder for a single image or text.
• Score: 7.890230091463883
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Vision-language transformers (VL transformers) have shown impressive accuracy in cross-modal retrieval. However, most of the existing VL transformers use early-interaction dataflow that computes a joint representation for the text-image input. In the retrieval stage, such models need to infer on all the matched text-image combinations, which causes high computing costs. The goal of this paper is to decompose the early-interaction dataflow inside the pre-trained VL transformer to achieve acceleration while maintaining its outstanding accuracy. To achieve this, we propose a novel Vision-language Transformer Decomposing (VLDeformer) to modify the VL transformer as an individual encoder for a single image or text through contrastive learning, which accelerates retrieval speed by thousands of times. Meanwhile, we propose to compose bi-modal hard negatives for the contrastive learning objective, which enables the VLDeformer to maintain the outstanding accuracy of the backbone VL transformer. Extensive experiments on COCO and Flickr30k datasets demonstrate the superior performance of the proposed method. Considering both effectiveness and efficiency, VLDeformer provides a superior selection for cross-modal retrieval in the similar pre-training datascale.

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