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Existing Class Incremental Learning (CIL) methods are based on a supervised classification framework sensitive to data labels. When updating them based on the new class data, they suffer from catastrophic forgetting: the model cannot…

机器学习 · 计算机科学 2021-11-23 Zixuan Ni , Siliang Tang , Yueting Zhuang

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…

机器学习 · 计算机科学 2021-03-30 Bahram Mohammadi , Mohammad Sabokrou

Class-incremental learning (CIL) aims to recognize new classes incrementally while maintaining the discriminability of old classes. Most existing CIL methods are exemplar-based, i.e., storing a part of old data for retraining. Without…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Fei Zhu , Xu-Yao Zhang , Zhen Cheng , Cheng-Lin Liu

In the scenario of class-incremental learning (CIL), deep neural networks have to adapt their model parameters to non-stationary data distributions, e.g., the emergence of new classes over time. However, CIL models are challenged by the…

机器学习 · 计算机科学 2023-06-22 Depeng Li , Zhigang Zeng

Multi-modal class-incremental learning (MMCIL) seeks to leverage multi-modal data, such as audio-visual and image-text pairs, thereby enabling models to learn continuously across a sequence of tasks while mitigating forgetting. While…

机器学习 · 计算机科学 2025-01-17 Xianghu Yue , Yiming Chen , Xueyi Zhang , Xiaoxue Gao , Mengling Feng , Mingrui Lao , Huiping Zhuang , Haizhou Li

Exemplar-free class-incremental learning (EFCIL) poses significant challenges, primarily due to catastrophic forgetting, necessitating a delicate balance between stability and plasticity to accurately recognize both new and previous…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Eduard Hogea , Adrian Popescu , Darian Onchis , Grégoire Petit

Given a limited labeling budget, active learning (AL) aims to sample the most informative instances from an unlabeled pool to acquire labels for subsequent model training. To achieve this, AL typically measures the informativeness of…

机器学习 · 计算机科学 2023-07-07 Cheng Chen , Yong Wang , Lizi Liao , Yueguo Chen , Xiaoyong Du

Federated Class-Incremental Learning (FCIL) refers to a scenario where a dynamically changing number of clients collaboratively learn an ever-increasing number of incoming tasks. FCIL is known to suffer from local forgetting due to class…

机器学习 · 计算机科学 2025-03-17 Milad Khademi Nori , Il-Min Kim , Guanghui Wang

Non-exemplar class-incremental learning (NECIL) is to resist catastrophic forgetting without saving old class samples. Prior methodologies generally employ simple rules to generate features for replaying, suffering from large distribution…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Jichuan Zhang , Yali Li , Xin Liu , Shengjin Wang

Class-incremental learning (CIL) for endoscopic image analysis is crucial for real-world clinical applications, where diagnostic models should continuously adapt to evolving clinical data while retaining performance on previously learned…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Bingrong Liu , Jun Shi , Yushan Zheng

Exemplar-Free Class Incremental Learning (EFCIL) tackles the problem of training a model on a sequence of tasks without access to past data. Existing state-of-the-art methods represent classes as Gaussian distributions in the feature…

机器学习 · 计算机科学 2024-10-29 Grzegorz Rypeść , Sebastian Cygert , Tomasz Trzciński , Bartłomiej Twardowski

Class-incremental learning (CIL) has been widely studied under the setting of starting from a small number of classes (base classes). Instead, we explore an understudied real-world setting of CIL that starts with a strong model pre-trained…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Tz-Ying Wu , Gurumurthy Swaminathan , Zhizhong Li , Avinash Ravichandran , Nuno Vasconcelos , Rahul Bhotika , Stefano Soatto

Class incremental learning (CIL) aims to enable models to continuously learn new classes without catastrophically forgetting old ones. A promising direction is to learn and use prototypes of classes during incremental updates. Despite…

机器学习 · 计算机科学 2025-03-25 Huitong Chen , Yu Wang , Yan Fan , Guosong Jiang , Qinghua Hu

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…

计算机视觉与模式识别 · 计算机科学 2021-08-20 James Smith , Yen-Chang Hsu , Jonathan Balloch , Yilin Shen , Hongxia Jin , Zsolt Kira

Continual learning aims to acquire new knowledge while retaining past information. Class-incremental learning (CIL) presents a challenging scenario where classes are introduced sequentially. For video data, the task becomes more complex…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Tieyuan Chen , Huabin Liu , Chern Hong Lim , John See , Xing Gao , Junhui Hou , Weiyao Lin

Exemplar-Free Class Incremental Learning is a highly challenging setting where replay memory is unavailable. Methods relying on frozen feature extractors have drawn attention recently in this setting due to their impressive performances and…

机器学习 · 计算机科学 2025-02-28 Quentin Jodelet , Xin Liu , Yin Jun Phua , Tsuyoshi Murata

Class-Incremental Learning (CIL) trains a model to continually recognize new classes from non-stationary data while retaining learned knowledge. A major challenge of CIL arises when applying to real-world data characterized by non-uniform…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Jiangpeng He , Fengqing Zhu

Class-incremental learning (CIL) in medical image-guided diagnosis requires retaining prior diagnostic knowledge while adapting to newly emerging disease categories, which is critical for scalable clinical deployment. This problem is…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Xinyao Wu , Zhe Xu , Cheng Chen , Jiawei Ma , Yefeng Zheng , Raymond Kai-yu Tong

Class-incremental learning is a challenging problem, where the goal is to train a model that can classify data from an increasing number of classes over time. With the advancement of vision-language pre-trained models such as CLIP, they…

计算机视觉与模式识别 · 计算机科学 2024-07-22 Linlan Huang , Xusheng Cao , Haori Lu , Xialei Liu

Continual learning (or class incremental learning) is a realistic learning scenario for computer vision systems, where deep neural networks are trained on episodic data, and the data from previous episodes are generally inaccessible to the…

计算机视觉与模式识别 · 计算机科学 2026-02-05 Aditya R. Bhattacharya , Debanjan Goswami , Shayok Chakraborty