Multimodal Parameter-Efficient Few-Shot Class Incremental Learning
Open accessAbstract
Few-Shot Class Incremental Learning (FSCIL) is a challenging continual learning task, where limited training examples are available during several learning sessions. To succeed in this task, it is necessary to avoid over-fitting new classes caused by biased distributions in the few-shot training sets. The general approach to address this issue involves enhancing the representational capability of a predefined backbone architecture by adding special modules for backward compatibility with older classes. However, this approach has not yet solved the dilemma of ensuring high classification accuracy over time while reducing the gap between the performance obtained on larger training sets and the smaller ones. In this work, we propose an alternative approach called Continual Parameter-Efficient CLIP (CPE-CLIP) to reduce the loss of information between different learning sessions. Instead of adapting additional modules to address information loss, we leverage the vast knowledge acquired by CLIP in large-scale pre-training and its effectiveness in generalizing to new concepts. Our approach is multimodal and parameter-efficient, relying on learnable prompts for both the language and vision encoders to enable transfer learning across sessions. We also introduce prompt regularization to improve performance and prevent forgetting. Our experimental results demonstrate that CPE-CLIP significantly improves FSCIL performance compared to state-of-the-art proposals while also drastically reducing the number of learnable parameters and training costs.
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D'Alessandro et al. designed a prompt learning strategy for CLIP in FSCIL.
“D'Alessandro et al. [116] designed a prompt learning strategy for CLIP in FSCIL”
From Few-Shot Class-Incremental Learning for Classification and Object Detection: A Survey (2025) · cites this paper as [116]
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Cited by
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Few-Shot Class-Incremental Learning for Classification and Object Detection: A Survey
Zhang, J., Liu, L., Silvén, O., Pietikäinen, M., & Hu, D. (2025) · IEEE Transactions on Pattern Analysis and Machine Intelligence · doi:10.1109/tpami.2025.3529038 · Cited by 84 · see citing works
Few-Shot Class-Incremental Learning for Retinal Disease Recognition
Zhang, J., Zhao, P., Zhao, Y., Li, C., & Hu, D. (2025) · IEEE Journal of Biomedical and Health Informatics · doi:10.1109/jbhi.2024.3457915 · Cited by 23 · see citing works
- Authors
- D’Alessandro, M., Alonso, A., Calabrés, E., & Galar, M.
- Affiliations
- Neuraptic AI
- Universidad Pública de Navarra (UPNA) (ES)
- Venue
- 2023 IEEE/CVF International Conference on Computer Vision Workshops (ICCVW)
- Publisher
- IEEE
- Published
- 2023-10-02
- Pages
- 3385-3395
- ISSN
- 2473-9936 (ISSN-L)
- OpenAlex
- W4390189747
- Cited by
- 40
- References
- 11
- Citations by year
- 2026: 12 · 2025: 19 · 2024: 9
- FWCI
- 7.09
- Type
- conference paper
- Language
- en
- Open access
- green
- arxiv.org
- Locations
- IEEE International Conference on Computer Vision Workshops (publishedVersion)
- arXiv (Cornell University) (submittedVersion, cc-by)
- Academica-e (Universidad Pública de Navarra) (submittedVersion)
- arXiv (Cornell University) (cc-by)
- Topics
- Physical Sciences › Computer Science › Artificial Intelligence › Domain Adaptation and Few-Shot Learning
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Multimodal Machine Learning Applications
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
- Keywords
- few-shot class-incremental learning, continual learning, parameter-efficient learning, CLIP, multimodal learning, learnable prompts, catastrophic forgetting, vision-language models
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