Dual-Modality Guided Prompt for Continual Learning of Large Multimodal Models
Keywords: Continual learning, Large multimodal models, Efficient learning, Prompt learning
TL;DR: a novel prompt learning framework for continual learning of large multimodal models
Abstract: Large Multimodal Models (LMMs) exhibit remarkable multi-tasking ability by learning mixed datasets jointly. However, novel tasks would be encountered sequentially in dynamic world, and continually fine-tuning LMMs often leads to performance degrades. To handle the challenges of catastrophic forgetting, existing methods leverage data replay or model expansion, both of which are not specially developed for LMMs and have their inherent limitations. In this paper, we propose a novel dual-modality guided prompt learning framework (ModalPrompt) tailored for multimodal continual learning to effectively learn new tasks while alleviating forgetting of previous knowledge. Concretely, we learn prototype prompts for each task and exploit efficient prompt selection for task identifiers and prompt fusion for knowledge transfer based on image-text supervision. Extensive experiments demonstrate the superiority of our approach, e.g., ModalPrompt achieves +20% performance gain on LMMs continual learning benchmarks with x1.42 inference speed refraining from growing training cost in proportion to the number of tasks. The code will be made publically available.
Primary Area: transfer learning, meta learning, and lifelong learning
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Submission Number: 5573
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