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This paper studies continual learning (CL) of a sequence of aspect sentiment classification(ASC) tasks in a particular CL setting called domain incremental learning (DIL). Each task is from a different domain or product. The DIL setting is…

Computation and Language · Computer Science 2021-12-21 Zixuan Ke , Bing Liu , Hu Xu , Lei Shu

Multi-task learns multiple tasks, while sharing knowledge and computation among them. However, it suffers from catastrophic forgetting of previous knowledge when learned incrementally without access to the old data. Most existing object…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Xialei Liu , Hao Yang , Avinash Ravichandran , Rahul Bhotika , Stefano Soatto

In recent years, online distillation has emerged as a powerful technique for adapting real-time deep neural networks on the fly using a slow, but accurate teacher model. However, a major challenge in online distillation is catastrophic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Joachim Houyon , Anthony Cioppa , Yasir Ghunaim , Motasem Alfarra , Anaïs Halin , Maxim Henry , Bernard Ghanem , Marc Van Droogenbroeck

Deep convolutional neural networks have made significant breakthroughs in medical image classification, under the assumption that training samples from all classes are simultaneously available. However, in real-world medical scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xuze Hao , Wenqian Ni , Xuhao Jiang , Weimin Tan , Bo Yan

Although the concept of catastrophic forgetting is straightforward, there is a lack of study on its causes. In this paper, we systematically explore and reveal three causes for catastrophic forgetting in Class Incremental Learning(CIL).…

Computer Vision and Pattern Recognition · Computer Science 2021-11-23 Zixuan Ni , Haizhou Shi , Siliang Tang , Longhui Wei , Qi Tian , Yueting Zhuang

Class-incremental learning (CIL) enables models to learn new classes progressively while preserving knowledge of previously learned ones. Recent advances in this field have shifted towards parameter-efficient fine-tuning techniques, with…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Haoran Chen , Ping Wang , Zihan Zhou , Xu Zhang , Zuxuan Wu , Yu-Gang Jiang

Deep neural networks perform remarkably well in close-world scenarios. However, novel classes emerged continually in real applications, making it necessary to learn incrementally. Class-incremental learning (CIL) aims to gradually recognize…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Wenzhuo Liu , Fei Zhu , Cheng-Lin Liu

Class-incremental learning (CIL) has emerged as a means to learn new classes incrementally without catastrophic forgetting of previous classes. Recently, CIL has undergone a paradigm shift towards dynamic architectures due to their superior…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Sunyuan Qiang , Yanyan Liang , Jun Wan , Du Zhang

We propose a causal framework to explain the catastrophic forgetting in Class-Incremental Learning (CIL) and then derive a novel distillation method that is orthogonal to the existing anti-forgetting techniques, such as data replay and…

Artificial Intelligence · Computer Science 2021-03-09 Xinting Hu , Kaihua Tang , Chunyan Miao , Xian-Sheng Hua , Hanwang Zhang

In class-incremental learning, an agent with limited resources needs to learn a sequence of classification tasks, forming an ever growing classification problem, with the constraint of not being able to access data from previous tasks. The…

Machine Learning · Computer Science 2024-05-29 Albin Soutif--Cormerais , Marc Masana , Joost van de Weijer , Bartłomiej Twardowski

Class-Incremental Learning (CIL) aims to solve the neural networks' catastrophic forgetting problem, which refers to the fact that once the network updates on a new task, its performance on previously-learned tasks drops dramatically. Most…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Libo Huang , Yan Zeng , Chuanguang Yang , Zhulin An , Boyu Diao , Yongjun Xu

Instance-incremental learning (IIL) focuses on learning continually with data of the same classes. Compared to class-incremental learning (CIL), the IIL is seldom explored because IIL suffers less from catastrophic forgetting (CF). However,…

Machine Learning · Computer Science 2024-06-06 Qiang Nie , Weifu Fu , Yuhuan Lin , Jialin Li , Yifeng Zhou , Yong Liu , Lei Zhu , Chengjie Wang

Significant advancements have been made in single label incremental learning (SLCIL),yet the more practical and challenging multi label class incremental learning (MLCIL) remains understudied. Recently,visual language models such as CLIP…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Haifeng Zhao , Yuguang Jin , Leilei Ma

A fundamental and challenging problem in deep learning is catastrophic forgetting, i.e. the tendency of neural networks to fail to preserve the knowledge acquired from old tasks when learning new tasks. This problem has been widely…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Guanglei Yang , Enrico Fini , Dan Xu , Paolo Rota , Mingli Ding , Moin Nabi , Xavier Alameda-Pineda , Elisa Ricci

Modern computer vision applications suffer from catastrophic forgetting when incrementally learning new concepts over time. The most successful approaches to alleviate this forgetting require extensive replay of previously seen data, which…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 James Smith , Yen-Chang Hsu , Jonathan Balloch , Yilin Shen , Hongxia Jin , Zsolt Kira

Incremental learning is nontrivial due to severe catastrophic forgetting. Although storing a small amount of data on old tasks during incremental learning is a feasible solution, current strategies still do not 1) adequately address the…

Machine Learning · Computer Science 2024-09-10 Shuai Wang , Yibing Zhan , Yong Luo , Han Hu , Wei Yu , Yonggang Wen , Dacheng Tao

Domain-Incremental Learning (DIL) focuses on continual learning in non-stationary environments, requiring models to adjust to evolving domains while preserving historical knowledge. DIL faces two critical challenges in the context of…

Machine Learning · Computer Science 2025-07-10 Lan Li , Da-Wei Zhou , Han-Jia Ye , De-Chuan Zhan

Class-incremental Learning (CIL) enables the model to incrementally absorb knowledge from new classes and build a generic classifier across all previously encountered classes. When the model optimizes with new classes, the knowledge of…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Juncen Guo , Xiaoguang Zhu , Liangyu Teng , Hao Yang , Jing Liu , Yang Liu , Liang Song

This paper presents a practical and simple yet efficient method to effectively deal with the catastrophic forgetting for Class Incremental Learning (CIL) tasks. CIL tends to learn new concepts perfectly, but not at the expense of…

Machine Learning · Computer Science 2021-03-30 Bahram Mohammadi , Mohammad Sabokrou

Current class-incremental learning research mainly focuses on single-label classification tasks while multi-label class-incremental learning (MLCIL) with more practical application scenarios is rarely studied. Although there have been many…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Songlin Dong , Haoyu Luo , Yuhang He , Xing Wei , Yihong Gong