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Prismer: A Vision-Language Model with Multi-Task Experts

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arxiv 2303.02506 v3 pith:OABOTDEF submitted 2023-03-04 cs.LG cs.AIcs.CV

Prismer: A Vision-Language Model with Multi-Task Experts

classification cs.LG cs.AIcs.CV
keywords prismerexpertstrainingvision-languagemodelmodelsachievesadapt
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Recent vision-language models have shown impressive multi-modal generation capabilities. However, typically they require training huge models on massive datasets. As a more scalable alternative, we introduce Prismer, a data- and parameter-efficient vision-language model that leverages an ensemble of task-specific experts. Prismer only requires training of a small number of components, with the majority of network weights inherited from multiple readily-available, pre-trained experts, and kept frozen during training. By leveraging experts from a wide range of domains, we show Prismer can efficiently pool this expert knowledge and adapt it to various vision-language reasoning tasks. In our experiments, we show that Prismer achieves fine-tuned and few-shot learning performance which is competitive with current state-of-the-arts, whilst requiring up to two orders of magnitude less training data. Code is available at https://github.com/NVlabs/prismer.

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