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Continual Learning (CL) aims to develop agents emulating the human ability to sequentially learn new tasks while being able to retain knowledge obtained from past experiences. In this paper, we introduce the novel problem of…

Computer Vision and Pattern Recognition · Computer Science 2022-01-13 Enrico Fini , Stéphane Lathuilière , Enver Sangineto , Moin Nabi , Elisa Ricci

Humans can learn incrementally, whereas neural networks forget previously acquired information catastrophically. Continual Learning (CL) approaches seek to bridge this gap by facilitating the transfer of knowledge to both previous tasks…

Online continual learning (OCL) refers to the ability of a system to learn over time from a continuous stream of data without having to revisit previously encountered training samples. Learning continually in a single data pass is crucial…

Machine Learning · Computer Science 2020-03-23 German I. Parisi , Vincenzo Lomonaco

Online Continual Learning (OCL) addresses the problem of training neural networks on a continuous data stream where multiple classification tasks emerge in sequence. In contrast to offline Continual Learning, data can be seen only once in…

Machine Learning · Computer Science 2024-06-06 Nicolas Michel , Maorong Wang , Ling Xiao , Toshihiko Yamasaki

A continual learning agent should be able to build on top of existing knowledge to learn on new data quickly while minimizing forgetting. Current intelligent systems based on neural network function approximators arguably do the…

Machine Learning · Computer Science 2019-11-01 Khurram Javed , Martha White

Continual Learning (CL) aims to incrementally acquire new knowledge while mitigating catastrophic forgetting. Within this setting, Online Continual Learning (OCL) focuses on updating models promptly and incrementally from single or small…

Machine Learning · Computer Science 2025-12-19 Giovanni Donghi , Luca Pasa , Daniele Zambon , Cesare Alippi , Nicolò Navarin

The development of continual learning (CL) methods, which aim to learn new tasks in a sequential manner from the training data acquired continuously, has gained great attention in remote sensing (RS). The existing CL methods in RS, while…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Lars Möllenbrok , Behnood Rasti , Begüm Demir

Sequential recommendation methods play a pivotal role in modern recommendation systems. A key challenge lies in accurately modeling user preferences in the face of data sparsity. To tackle this challenge, recent methods leverage contrastive…

Information Retrieval · Computer Science 2024-04-18 Shaowei Wei , Zhengwei Wu , Xin Li , Qintong Wu , Zhiqiang Zhang , Jun Zhou , Lihong Gu , Jinjie Gu

Online Continual Learning (OCL) studies learning over a continuous data stream without observing any single example more than once, a setting that is closer to the experience of humans and systems that must learn "on-the-wild". Yet,…

Computation and Language · Computer Science 2021-02-02 Germán Kruszewski , Ionut-Teodor Sorodoc , Tomas Mikolov

Online Continual Learning (OCL) empowers machine learning models to acquire new knowledge online across a sequence of tasks. However, OCL faces a significant challenge: catastrophic forgetting, wherein the model learned in previous tasks is…

Machine Learning · Computer Science 2024-05-16 Fan Lyu , Daofeng Liu , Linglan Zhao , Zhang Zhang , Fanhua Shang , Fuyuan Hu , Wei Feng , Liang Wang

Online continual learning (OCL) aims to enable model learning from a non-stationary data stream to continuously acquire new knowledge as well as retain the learnt one, under the constraints of having limited system size and computational…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Sheng-Feng Yu , Wei-Chen Chiu

In order to achieve Continual Learning (CL), the problem of catastrophic forgetting, one that has plagued neural networks since their inception, must be overcome. The evaluation of continual learning methods relies on splitting a known…

Machine Learning · Computer Science 2025-11-12 Raphaël Bayle , Martial Mermillod , Robert M. French

Self-supervised models have been shown to produce comparable or better visual representations than their supervised counterparts when trained offline on unlabeled data at scale. However, their efficacy is catastrophically reduced in a…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Enrico Fini , Victor G. Turrisi da Costa , Xavier Alameda-Pineda , Elisa Ricci , Karteek Alahari , Julien Mairal

Online Continual Learning (OCL) is a critical area in machine learning, focusing on enabling models to adapt to evolving data streams in real-time while addressing challenges such as catastrophic forgetting and the stability-plasticity…

In Online Continual Learning (OCL), a neural network sequentially learns from a non-stationary data stream in a single-pass with access only to a limited memory replay buffer. This contrasts sharply with off-line continual learning where…

Machine Learning · Computer Science 2026-05-20 Ankita Awasthi , Marco Apolinario , Kaushik Roy

Online continual learning aims to get closer to a live learning experience by learning directly on a stream of data with temporally shifting distribution and by storing a minimum amount of data from that stream. In this empirical…

Modern deep learning approaches have achieved great success in many vision applications by training a model using all available task-specific data. However, there are two major obstacles making it challenging to implement for real life…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Jiangpeng He , Runyu Mao , Zeman Shao , Fengqing Zhu

Online continual learning requires the models to learn from constant, endless streams of data. While significant efforts have been made in this field, most were focused on mitigating the catastrophic forgetting issue to achieve better…

Machine Learning · Computer Science 2024-10-14 Xinrui Wang , Chuanxing Geng , Wenhai Wan , Shao-yuan Li , Songcan Chen

Online continual learning (OCL) aims to train neural networks incrementally from a non-stationary data stream with a single pass through data. Rehearsal-based methods attempt to approximate the observed input distributions over time with a…

Machine Learning · Computer Science 2022-11-15 Yaqian Zhang , Bernhard Pfahringer , Eibe Frank , Albert Bifet , Nick Jin Sean Lim , Yunzhe Jia

Continual Learning (CL) investigates how to train Deep Networks on a stream of tasks without incurring forgetting. CL settings proposed in literature assume that every incoming example is paired with ground-truth annotations. However, this…

Machine Learning · Statistics 2022-08-30 Matteo Boschini , Pietro Buzzega , Lorenzo Bonicelli , Angelo Porrello , Simone Calderara
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