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Real-world environments are inherently non-stationary, frequently introducing new classes over time. This is especially common in time series classification, such as the emergence of new disease classification in healthcare or the addition…

机器学习 · 计算机科学 2024-08-06 Zhongzheng Qiao , Quang Pham , Zhen Cao , Hoang H Le , P. N. Suganthan , Xudong Jiang , Ramasamy Savitha

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,…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Xuze Hao , Wenqian Ni , Xuhao Jiang , Weimin Tan , Bo Yan

Exemplar-free class incremental learning (EF-CIL) is a nontrivial task that requires continuously enriching model capability with new classes while maintaining previously learned knowledge without storing and replaying any old class…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Tianqi Wang , Jingcai Guo , Depeng Li , Zhi Chen

Class-incremental learning (CIL) is typically evaluated under predefined schedules with equal-sized tasks, leaving more realistic and complex cases unexplored. However, a practical CIL system should learns immediately when any number of new…

机器学习 · 计算机科学 2026-04-06 Zhiming Xu , Baile Xu , Jian Zhao , Furao Shen , Suorong Yang

Class Incremental Learning (CIL) based on pre-trained models offers a promising direction for open-world continual learning. Existing methods typically rely on correlation-based strategies, where an image's classification feature is used as…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Libo Huang , Zhulin An , Chuanguang Yang , Boyu Diao , Fei Wang , Yan Zeng , Zhifeng Hao , Yongjun Xu

Class-incremental learning (CIL) aims to adapt to emerging new classes without forgetting old ones. Traditional CIL models are trained from scratch to continually acquire knowledge as data evolves. Recently, pre-training has achieved…

机器学习 · 计算机科学 2024-08-06 Da-Wei Zhou , Zi-Wen Cai , Han-Jia Ye , De-Chuan Zhan , Ziwei Liu

Class Incremental Learning (CIL) aims at learning a multi-class classifier in a phase-by-phase manner, in which only data of a subset of the classes are provided at each phase. Previous works mainly focus on mitigating forgetting in phases…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Yujun Shi , Kuangqi Zhou , Jian Liang , Zihang Jiang , Jiashi Feng , Philip Torr , Song Bai , Vincent Y. F. Tan

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

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

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 study focuses on incremental learning for image classification, exploring how to reduce catastrophic forgetting of all learned knowledge when access to old data is restricted. The challenge lies in balancing plasticity (learning new…

机器学习 · 计算机科学 2026-03-12 Zhiping Zhou , Xuchen Xie , Yiqiao Qiu , Run Lin , Weishi Zheng , Ruixuan Wang

Incremental Learning (IL) is useful when artificial systems need to deal with streams of data and do not have access to all data at all times. The most challenging setting requires a constant complexity of the deep model and an incremental…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Eden Belouadah , Adrian Popescu , Ioannis Kanellos

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

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…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Haoran Chen , Ping Wang , Zihan Zhou , Xu Zhang , Zuxuan Wu , Yu-Gang Jiang

Class-Incremental Learning (CIL) aims to train a reliable model with the streaming data, which emerges unknown classes sequentially. Different from traditional closed set learning, CIL has two main challenges: 1) Novel class detection. The…

机器学习 · 计算机科学 2020-09-01 Yang Yang , Zhen-Qiang Sun , HengShu Zhu , Yanjie Fu , Hui Xiong , Jian Yang

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…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Sunyuan Qiang , Yanyan Liang , Jun Wan , Du Zhang

Real-world applications require the classification model to adapt to new classes without forgetting old ones. Correspondingly, Class-Incremental Learning (CIL) aims to train a model with limited memory size to meet this requirement. Typical…

机器学习 · 计算机科学 2023-02-17 Da-Wei Zhou , Qi-Wei Wang , Han-Jia Ye , De-Chuan Zhan

We tackle the problem of class incremental learning (CIL) in the realm of landcover classification from optical remote sensing (RS) images in this paper. The paradigm of CIL has recently gained much prominence given the fact that data are…

计算机视觉与模式识别 · 计算机科学 2023-09-06 S Divakar Bhat , Biplab Banerjee , Subhasis Chaudhuri , Avik Bhattacharya

Class-incremental learning (CIL) aims to develop a learning system that can continually learn new classes from a data stream without forgetting previously learned classes. When learning classes incrementally, the classifier must be…

计算与语言 · 计算机科学 2023-05-29 Minqian Liu , Lifu Huang

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