Task-Free Continual Learning
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Abstract (arXiv)
Methods proposed in the literature towards continual deep learning typically operate in a task-based sequential learning setup. A sequence of tasks is learned, one at a time, with all data of current task available but not of previous or future tasks. Task boundaries and identities are known at all times. This setup, however, is rarely encountered in practical applications. Therefore we investigate how to transform continual learning to an online setup. We develop a system that keeps on learning over time in a streaming fashion, with data distributions gradually changing and without the notion of separate tasks. To this end, we build on the work on Memory Aware Synapses, and show how this method can be made online by providing a protocol to decide i) when to update the importance weights, ii) which data to use to update them, and iii) how to accumulate the importance weights at each update step. Experimental results show the validity of the approach in the context of two applications: (self-)supervised learning of a face recognition model by watching soap series and learning a robot to avoid collisions.
Key facts. Cited by 219 papers in the map (data through 7 Oct 2026). First posted on arXiv 10 Dec 2018.
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Citing papers per year: 2021: 39; 2022: 35; 2023: 43; 2024: 47; 2025: 29; 2026: 26.
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- 2023A Comprehensive Survey of Continual Learning: Theory, Method and Applicationcited by 860
- 2023The Curse of Recursion: Training on Generated Data Makes Models Forgetcited by 343
- 2021New Insights on Reducing Abrupt Representation Change in Online Continual Learningcited by 215
- 2023Class-Incremental Learning: A Surveycited by 209
- 2022Toward Transparent AI: A Survey on Interpreting the Inner Structures of Deep Neural Networkscited by 126
- 2021Avalanche: an End-to-End Library for Continual Learningcited by 124
- 2022Continual Learning and Private Unlearningcited by 124
- 2024Expandable Subspace Ensemble for Pre-Trained Model-Based Class-Incremental Learningcited by 115
- 2022The CLEAR Benchmark: Continual LEArning on Real-World Imagerycited by 92
- 2023Learning without Forgetting for Vision-Language Modelscited by 79
- 2024Continual Learning and Catastrophic Forgettingcited by 73
- 2023OneNet: Enhancing Time Series Forecasting Models under Concept Drift by Online Ensemblingcited by 71
38 more
- 2021Online Continual Learning with Natural Distribution Shifts: An Empirical Study with Visual Datacited by 67
- 2021Online Continual Learning on Class Incremental Blurry Task Configuration with Anytime Inferencecited by 66
- 2023A Comprehensive Survey of Forgetting in Deep Learning Beyond Continual Learningcited by 66
- 2023Continual Detection Transformer for Incremental Object Detectioncited by 59
- 2021Continual Learning for Real-World Autonomous Systems: Algorithms, Challenges and Frameworkscited by 56
- 2021Recent Advances of Continual Learning in Computer Vision: An Overviewcited by 55
- 2024Addressing Loss of Plasticity and Catastrophic Forgetting in Continual Learningcited by 49
- 2022Learning Fast and Slow for Online Time Series Forecastingcited by 43
- 2022Information-theoretic Online Memory Selection for Continual Learningcited by 42
- 2022Continual Normalization: Rethinking Batch Normalization for Online Continual Learningcited by 40
- 2021Class-Incremental Learning with Generative Classifierscited by 39
- 2021DualNet: Continual Learning, Fast and Slowcited by 39
- 2021Continually Learning Self-Supervised Representations with Projected Functional Regularizationcited by 38
- 2024Online DPO: Online Direct Preference Optimization with Fast-Slow Chasingcited by 38
- 2022On the Soft-Subnetwork for Few-shot Class Incremental Learningcited by 37
- 2023Test-Time Training on Video Streamscited by 37
- 2022CLAD: A realistic Continual Learning benchmark for Autonomous Drivingcited by 35
- 2021Continual Learning for Recurrent Neural Networks: an Empirical Evaluationcited by 34
- 2021Wanderlust: Online Continual Object Detection in the Real Worldcited by 34
- 2024Convolutional Prompting meets Language Models for Continual Learningcited by 32
- 2024Unsupervised Continual Anomaly Detection with Contrastively-learned Promptcited by 31
- 2021How Well Does Self-Supervised Pre-Training Perform with Streaming Data?cited by 29
- 2022Improving Task-free Continual Learning by Distributionally Robust Memory Evolutioncited by 29
- 2023Probabilistic Bilevel Coreset Selectioncited by 26
- 2024Online-LoRA: Task-free Online Continual Learning via Low Rank Adaptationcited by 26
- 2021Continual Semi-Supervised Learning through Contrastive Interpolation Consistencycited by 25
- 2022Continual Object Detection: A review of definitions, strategies, and challengescited by 25
- 2022Few-Shot Continual Active Learning by a Robotcited by 24
- 2021Is Class-Incremental Enough for Continual Learning?cited by 22
- 2022Task-Free Continual Learning via Online Discrepancy Distance Learningcited by 22
- 2023Federated Orthogonal Training: Mitigating Global Catastrophic Forgetting in Continual Federated Learningcited by 21
- 2024Online Continual Learning For Interactive Instruction Following Agentscited by 21
- 2021Sequoia: A Software Framework to Unify Continual Learning Researchcited by 19
- 2021Prototype-Guided Memory Replay for Continual Learningcited by 19
- 2024Eliciting the Priors of Large Language Models using Iterated In-Context Learningcited by 19
- 2021Unsupervised Continual Learning Via Pseudo Labelscited by 18
- 2021Class-Incremental Experience Replay for Continual Learning under Concept Driftcited by 17
- 2021Encoders and Ensembles for Task-Free Continual Learningcited by 17
50 most cited of 219 All 219 (JSON)
- 2026Tracing the Thoughts of a Coding Agent Playing ARC-AGI-3: Lessons for Continual Learning8 Oct 2026
- 2026Dynamic LoRA-Experts and Prototype-Ensemble Matching for Class-Incremental Learning30 Sep 2026
- 2026Reliable Replay through Spatial Coherence in Online Continual Learning27 Sep 2026
- 2026Neural-Collapse-guided Task-Free Continual Anomaly Detection3 Sep 2026
- 2026Unsupervised Continual Learning with Growing Self-Organizing Maps and Synthetic Replay27 Aug 2026
- 2026Unifying Detection and Adaptation in Task-Free Continual Learning27 Aug 2026
- 2026Parameter Efficient Continual Learning for Sparse Event-Based Transformers27 Aug 2026
- 2026Multi-Scale Structural Features for Continual, Comprehensible Visual Recognition in a Developmental Learning Framework28 Jul 2026
- 2026Latent-LoRA: Compact Latent-Space Adapters with Gradient-Free Routing for Continual Learning26 Jul 2026
- 2026Towards Continual Motion-Language Agents: LoRA Variants for Incremental Motion Understanding and Generation29 Jun 2026
- 2026LargeMonitor: Monitoring Online Task-Free Continual Learning via Large Pretrained Models8 Jun 2026
- 2026Continual Learning as a Multiphase Moving-Boundary Problem1 Jun 2026
38 more
- 2026MedCRP-CL: Continual Medical Image Segmentation via Bayesian Nonparametric Semantic Modality Discovery19 May 2026
- 2026DRIFT: A Benchmark for Task-Free Continual Graph Learning with Continuous Distribution Shifts13 May 2026
- 2026StrLoRA: Towards Streaming Continual Visual Instruction Tuning for MLLMs8 May 2026
- 2026CoMemNet: A Continual Memory Network with Drift-Aware Sampling for Traffic Prediction7 May 2026
- 2026Cortex-Inspired Continual Learning: Unsupervised Instantiation and Recovery of Functional Task Networks27 Apr 2026
- 2026Enhancing Continual Learning of Vision-Language Models via Dynamic Prefix Weighting20 Apr 2026
- 2026Pruned Adaptation Modules: A Simple yet Strong Baseline for Continual Foundation Models22 Mar 2026
- 2026One Adapter for All: Towards Unified Representation in Step-Imbalanced Class-Incremental Learning10 Mar 2026
- 2026Can You Hear, Localize, and Segment Continually? An Exemplar-Free Continual Learning Benchmark for Audio-Visual Segmentation9 Mar 2026
- 2026Grow, Assess, Compress: Adaptive Backbone Scaling for Memory-Efficient Class Incremental Learning9 Mar 2026
- 2026Temporal Imbalance of Positive and Negative Supervision in Class-Incremental Learning2 Mar 2026
- 2026Unsupervised Continual Learning for Amortized Bayesian Inference26 Feb 2026
- 2026FlyPrompt: Brain-Inspired Random-Expanded Routing with Temporal-Ensemble Experts for General Continual Learning2 Feb 2026
- 2026RoAD Benchmark: How LiDAR Models Fail under Coupled Domain Shifts and Label Evolution9 Jan 2026
- 2025Bandit Guided Submodular Curriculum for Adaptive Subset Selection28 Nov 2025
- 2025Hierarchical Semantic Tree Anchoring for CLIP-Based Class-Incremental Learning19 Nov 2025
- 2025BOFA: Bridge-Layer Orthogonal Low-Rank Fusion for CLIP-Based Class-Incremental Learning14 Nov 2025
- 2025Learning with Preserving for Continual Multitask Learning11 Nov 2025
- 2025Spatio-temporal Multivariate Time Series Forecast with Chosen Variables28 Oct 2025
- 2025Online Time Series Forecasting with Theoretical Guarantees21 Oct 2025
- 2025Efficient Reinforcement Learning by Reducing Forgetting with Elephant Activation Functions23 Sep 2025
- 2025Index-Aligned Query Distillation for Transformer-based Incremental Object Detection15 Aug 2025
- 2025Handling Out-of-Distribution Data: A Survey25 Jul 2025
- 2025MixLoRA-DSI: Dynamically Expandable Mixture-of-LoRA Experts for Rehearsal-Free Generative Retrieval over Dynamic Corpora14 Jul 2025
- 2025The Bayesian Approach to Continual Learning: An Overview11 Jul 2025
- 2025Little by Little: Continual Learning via Incremental Mixture of Rank-1 Associative Memory Experts26 Jun 2025
- 2025ErrorEraser: Unlearning Data Bias for Improved Continual Learning11 Jun 2025
- 2025Flashbacks to Harmonize Stability and Plasticity in Continual Learning31 May 2025
- 2025Continual Learning on CLIP via Incremental Prompt Tuning with Intrinsic Textual Anchors27 May 2025
- 2025Reinforced Interactive Continual Learning via Real-time Noisy Human Feedback15 May 2025
- 2025Continual Reinforcement Learning via Autoencoder-Driven Task and New Environment Recognition13 May 2025
- 2025Autoencoder-Based Hybrid Replay for Class-Incremental Learning9 May 2025
- 2025Improvements of Dark Experience Replay and Reservoir Sampling towards Better Balance between Consolidation and Plasticity29 Apr 2025
- 2025Parameter-Efficient Continual Fine-Tuning: A Survey18 Apr 2025
- 2025Explainability and Continual Learning meet Federated Learning at the Network Edge11 Apr 2025
- 2025Safe Continual Domain Adaptation after Sim2Real Transfer of Reinforcement Learning Policies in Robotics13 Mar 2025
- 2025EFC++: Elastic Feature Consolidation with Prototype Re-balancing for Cold Start Exemplar-free Incremental Learning13 Mar 2025
- 2025External Knowledge Injection for CLIP-Based Class-Incremental Learning11 Mar 2025
50 newest of 219 All 219 (JSON)
- 2024Online DPO: Online Direct Preference Optimization with Fast-Slow Chasingcited by 38
- 2024COPR: Continual Human Preference Learning via Optimal Policy Regularizationcited by 8
- 2025Reinforced Interactive Continual Learning via Real-time Noisy Human Feedbackcited by 3
- 2023COPR: Continual Learning Human Preference through Optimal Policy Regularizationcited by 2
- 2025Reinforced Interactive Continual Learning via Real-time Noisy Human Feedback15 May 2025
- 2024Online DPO: Online Direct Preference Optimization with Fast-Slow Chasing8 Jun 2024
- 2024COPR: Continual Human Preference Learning via Optimal Policy Regularization22 Feb 2024
- 2023COPR: Continual Learning Human Preference through Optimal Policy Regularization24 Oct 2023
- 2025Little by Little: Continual Learning via Incremental Mixture of Rank-1 Associative Memory Expertscited by 4
- 2024More Experts Than Galaxies: Conditionally-overlapping Experts With Biologically-Inspired Fixed Routingcited by 2
- 2026Cortex-Inspired Continual Learning: Unsupervised Instantiation and Recovery of Functional Task Networkscited by 1
- 2026Cortex-Inspired Continual Learning: Unsupervised Instantiation and Recovery of Functional Task Networks27 Apr 2026
- 2025Little by Little: Continual Learning via Incremental Mixture of Rank-1 Associative Memory Experts26 Jun 2025
- 2024More Experts Than Galaxies: Conditionally-overlapping Experts With Biologically-Inspired Fixed Routing10 Oct 2024
- 2022Continual Learning and Private Unlearningcited by 124
- 2025ErrorEraser: Unlearning Data Bias for Improved Continual Learningcited by 3
- 2025ErrorEraser: Unlearning Data Bias for Improved Continual Learning11 Jun 2025
- 2022Continual Learning and Private Unlearning24 Mar 2022
- 2023A Comprehensive Survey of Continual Learning: Theory, Method and Applicationcited by 860
- 2021New Insights on Reducing Abrupt Representation Change in Online Continual Learningcited by 215
- 2023Class-Incremental Learning: A Surveycited by 209
- 2022Toward Transparent AI: A Survey on Interpreting the Inner Structures of Deep Neural Networkscited by 126
- 2021Avalanche: an End-to-End Library for Continual Learningcited by 124
- 2024Expandable Subspace Ensemble for Pre-Trained Model-Based Class-Incremental Learningcited by 115
- 2022The CLEAR Benchmark: Continual LEArning on Real-World Imagerycited by 92
- 2024Continual Learning and Catastrophic Forgettingcited by 73
- 2023OneNet: Enhancing Time Series Forecasting Models under Concept Drift by Online Ensemblingcited by 71
- 2021Online Continual Learning with Natural Distribution Shifts: An Empirical Study with Visual Datacited by 67
- 2021Online Continual Learning on Class Incremental Blurry Task Configuration with Anytime Inferencecited by 66
- 2023A Comprehensive Survey of Forgetting in Deep Learning Beyond Continual Learningcited by 66
12 most cited of 203 All 203 (JSON)
- 2026Tracing the Thoughts of a Coding Agent Playing ARC-AGI-3: Lessons for Continual Learning8 Oct 2026
- 2026Dynamic LoRA-Experts and Prototype-Ensemble Matching for Class-Incremental Learning30 Sep 2026
- 2026Reliable Replay through Spatial Coherence in Online Continual Learning27 Sep 2026
- 2026Neural-Collapse-guided Task-Free Continual Anomaly Detection3 Sep 2026
- 2026Unsupervised Continual Learning with Growing Self-Organizing Maps and Synthetic Replay27 Aug 2026
- 2026Unifying Detection and Adaptation in Task-Free Continual Learning27 Aug 2026
- 2026Parameter Efficient Continual Learning for Sparse Event-Based Transformers27 Aug 2026
- 2026Multi-Scale Structural Features for Continual, Comprehensible Visual Recognition in a Developmental Learning Framework28 Jul 2026
- 2026Latent-LoRA: Compact Latent-Space Adapters with Gradient-Free Routing for Continual Learning26 Jul 2026
- 2026LargeMonitor: Monitoring Online Task-Free Continual Learning via Large Pretrained Models8 Jun 2026
- 2026Continual Learning as a Multiphase Moving-Boundary Problem1 Jun 2026
- 2026MedCRP-CL: Continual Medical Image Segmentation via Bayesian Nonparametric Semantic Modality Discovery19 May 2026
12 newest of 203 All 203 (JSON)