Continual Learning, Fast and Slow

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Continual Learning, Fast and Slow
Continual Learning, Fast and Slow
Journal Title:
IEEE Transactions on Pattern Analysis and Machine Intelligence
Publication Date:
13 October 2023
Pham, Q., Liu, C., & Hoi, S. C. H. (2023). Continual Learning, Fast and Slow. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1–16.
According to the Complementary Learning Systems (CLS) theory [1] in neuroscience, humans do effective continual learning through two complementary systems: a fast learning system centered on the hippocampus for rapid learning of the specifics, individual experiences; and a slow learning system located in the neocortex for the gradual acquisition of structured knowledge about the environment. Motivated by this theory, we propose DualNets (for Dual Networks), a general continual learning framework comprising a fast learning system for supervised learning of pattern-separated representation from specific tasks and a slow learning system for representation learning of task-agnostic general representation via Self-Supervised Learning (SSL). DualNets can seamlessly incorporate both representation types into a holistic framework to facilitate better continual learning in deep neural networks. Via extensive experiments, we demonstrate the promising results of DualNets on a wide range of continual learning protocols, ranging from the standard offline, task-aware setting to the challenging online, task-free scenario. Notably, on the CTrL [2] benchmark that has unrelated tasks with vastly different visual images, DualNets can achieve competitive performance with existing state-of-the-art dynamic architecture strategies [3]. Furthermore, we conduct comprehensive ablation studies to validate DualNets efficacy, robustness, and scalability. Code will be made available at
License type:
Publisher Copyright
Funding Info:
There was no specific funding for the research done
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