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BLIP: Bootstrapping Language-Image Pre-training for Unified Vision-Language Understanding and Generation

2022-01-28Code Available5· sign in to hype

Junnan Li, Dongxu Li, Caiming Xiong, Steven Hoi

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Abstract

Vision-Language Pre-training (VLP) has advanced the performance for many vision-language tasks. However, most existing pre-trained models only excel in either understanding-based tasks or generation-based tasks. Furthermore, performance improvement has been largely achieved by scaling up the dataset with noisy image-text pairs collected from the web, which is a suboptimal source of supervision. In this paper, we propose BLIP, a new VLP framework which transfers flexibly to both vision-language understanding and generation tasks. BLIP effectively utilizes the noisy web data by bootstrapping the captions, where a captioner generates synthetic captions and a filter removes the noisy ones. We achieve state-of-the-art results on a wide range of vision-language tasks, such as image-text retrieval (+2.7% in average recall@1), image captioning (+2.8% in CIDEr), and VQA (+1.6% in VQA score). BLIP also demonstrates strong generalization ability when directly transferred to video-language tasks in a zero-shot manner. Code, models, and datasets are released at https://github.com/salesforce/BLIP.

Tasks

Benchmark Results

DatasetModelMetricClaimedVerifiedStatus
nocaps-val-in-domainBLIP_ViT-LCIDEr114.9Unverified
nocaps-val-in-domainBLIP_CapFilt-LCIDEr111.8Unverified
nocaps-val-near-domainBLIP_CapFilt-LCIDEr108.6Unverified
nocaps-val-near-domainBLIP_ViT-LCIDEr112.1Unverified
nocaps-val-out-domainBLIP_CapFilt-LCIDEr111.5Unverified
nocaps-val-out-domainBLIP_ViT-LCIDEr115.3Unverified
nocaps-val-overallBLIP_ViT-LCIDEr113.2Unverified
nocaps-val-overallBLIP_CapFilt-LCIDEr109.6Unverified

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