Latent Spectral Regularization for Continual Learning
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Abstract (arXiv)
While biological intelligence grows organically as new knowledge is gathered throughout life, Artificial Neural Networks forget catastrophically whenever they face a changing training data distribution. Rehearsal-based Continual Learning (CL) approaches have been established as a versatile and reliable solution to overcome this limitation; however, sudden input disruptions and memory constraints are known to alter the consistency of their predictions. We study this phenomenon by investigating the geometric characteristics of the learner's latent space and find that replayed data points of different classes increasingly mix up, interfering with classification. Hence, we propose a geometric regularizer that enforces weak requirements on the Laplacian spectrum of the latent space, promoting a partitioning behavior. Our proposal, called Continual Spectral Regularizer for Incremental Learning (CaSpeR-IL), can be easily combined with any rehearsal-based CL approach and improves the performance of SOTA methods on standard benchmarks.
Key facts. Cited by 6 papers in the map (data through 7 Oct 2026). Builds on 48 of its 66 references that are in the map. First posted on arXiv 9 Jan 2023.
Builds on
48 of 66 references.
References · 48
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- 2021Learning to Prompt for Continual Learningcited by 938
36 more
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- 2017PackNet: Adding Multiple Tasks to a Single Network by Iterative Pruningcited by 882
- 2018Riemannian Walk for Incremental Learning: Understanding Forgetting and Intransigencecited by 734
- 2019Large Scale Incremental Learningcited by 727
- 2018Overcoming catastrophic forgetting with hard attention to the taskcited by 672
- 2019Gradient based sample selection for online continual learningcited by 568
- 2018Progress & Compress: A scalable framework for continual learningcited by 516
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- 2021Provable Guarantees for Self-Supervised Deep Learning with Spectral Contrastive Losscited by 311
- 2021Rainbow Memory: Continual Learning with a Memory of Diverse Samplescited by 273
- 2021Co2L: Contrastive Continual Learningcited by 243
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- 2020Using Hindsight to Anchor Past Knowledge in Continual Learningcited by 160
- 2018Towards Robust Evaluations of Continual Learningcited by 148
- 2021Supervised Contrastive Replay: Revisiting the Nearest Class Mean Classifier in Online Class-Incremental Continual Learningcited by 140
- 2020SS-IL: Separated Softmax for Incremental Learningcited by 126
- 2022Class-Incremental Continual Learning into the eXtended DER-versecited by 121
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- 2017The Riemannian Geometry of Deep Generative Modelscited by 81
- 2015Partial Functional Correspondencecited by 61
- 2020LIMP: Learning Latent Shape Representations with Metric Preservation Priorscited by 54
- 2022Transfer without Forgettingcited by 44
- 2018Graph Coarsening with Preserved Spectral Propertiescited by 41
- 2021DualNet: Continual Learning, Fast and Slowcited by 39
- 2022On the Effectiveness of Lipschitz-Driven Rehearsal in Continual Learningcited by 39
- 2020Remembering for the Right Reasons: Explanations Reduce Catastrophic Forgettingcited by 33
- 2020Class-incremental Learning with Pre-allocated Fixed Classifierscited by 33
- 2021Continual Semi-Supervised Learning through Contrastive Interpolation Consistencycited by 25
- 2018Isospectralization, or how to hear shape, style, and correspondencecited by 18
- 2022Class-Incremental Learning with Cross-Space Clustering and Controlled Transfercited by 15
- 2021Universal Spectral Adversarial Attacks for Deformable Shapescited by 14
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Built on by
Citing papers per year: 2023: 2; 2024: 1; 2025: 1; 2026: 2.
6 papers.
- 2023The Ideal Continual Learner: An Agent That Never Forgetscited by 34
- 2023Wake-Sleep Consolidated Learningcited by 4
- 2024Class incremental learning with probability dampening and cascaded gated classifiercited by 1
- 2025Adaptive Model Ensemble for Continual Learningcited by 0
- 2026Dream2Learn: Structured Generative Dreaming for Continual Learningcited by 0
- 2026CRMA: A Spectrally-Bounded Backbone for Modular Continual Fine-Tuning of LLMscited by 0
- 2026CRMA: A Spectrally-Bounded Backbone for Modular Continual Fine-Tuning of LLMs29 May 2026
- 2026Dream2Learn: Structured Generative Dreaming for Continual Learning2 Mar 2026
- 2025Adaptive Model Ensemble for Continual Learning24 Sep 2025
- 2024Class incremental learning with probability dampening and cascaded gated classifier2 Feb 2024
- 2023Wake-Sleep Consolidated Learning6 Dec 2023
- 2023The Ideal Continual Learner: An Agent That Never Forgets29 Apr 2023