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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…

Machine Learning · Computer Science 2024-08-06 Zhongzheng Qiao , Quang Pham , Zhen Cao , Hoang H Le , P. N. Suganthan , Xudong Jiang , Ramasamy Savitha

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…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Fei Zhu , Xu-Yao Zhang , Zhen Cheng , Cheng-Lin Liu

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…

Machine Learning · Computer Science 2020-09-01 Yang Yang , Zhen-Qiang Sun , HengShu Zhu , Yanjie Fu , Hui Xiong , Jian Yang

Low-Earth-orbit (LEO) satellite constellations are increasingly performing on-board computing. However, the continuous emergence of new classes under strict memory and communication constraints poses major challenges for collaborative…

Networking and Internet Architecture · Computer Science 2026-04-06 Heng Zhang , Xiaohong Deng , Sijing Duan , Wu Ouyang , KM Mahfujul , Yiqin Deng , Zhigang Chen

Class incremental learning (CIL) requires an agent to learn distinct tasks consecutively with knowledge retention against forgetting. Problems impeding the practical applications of CIL methods are twofold: (1) non-i.i.d batch streams and…

Machine Learning · Computer Science 2025-10-27 Junda Wang , Minghui Hu , Ning Li , Abdulaziz Al-Ali , Ponnuthurai Nagaratnam Suganthan

Large pre-trained models (LPMs) have demonstrated exceptional performance in diverse natural language processing and computer vision tasks. However, fully fine-tuning these models poses substantial memory challenges, particularly in…

Machine Learning · Computer Science 2024-09-12 Chengwei Sun , Jiwei Wei , Yujia Wu , Yiming Shi , Shiyuan He , Zeyu Ma , Ning Xie , Yang Yang

Graph Few-Shot Class-Incremental Learning (GFSCIL) enables models to continually learn from limited samples of novel tasks after initial training on a large base dataset. Existing GFSCIL approaches typically utilize Prototypical Networks…

Machine Learning · Computer Science 2025-08-21 Jinhui Pang , Changqing Lin , Hao Lin , Zhihui Zhang , Weiping Ding , Yu Liu , Xiaoshuai Hao

Prompt tuning, which involves training a small set of parameters, effectively enhances the pre-trained Vision-Language Models (VLMs) to downstream tasks. However, they often come at the cost of flexibility and adaptability when the tuned…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Mushui Liu , Bozheng Li , Yunlong Yu

This work addresses the task of class-incremental weakly supervised object localization (CI-WSOL). The goal is to incrementally learn object localization for novel classes using only image-level annotations while retaining the ability to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Sejin Park , Taehyung Lee , Yeejin Lee , Byeongkeun Kang

Deep neural networks (DNNS) excel at learning from static datasets but struggle with continual learning, where data arrives sequentially. Catastrophic forgetting, the phenomenon of forgetting previously learned knowledge, is a primary…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 S Balasubramanian , M Sai Subramaniam , Sai Sriram Talasu , Yedu Krishna P , Manepalli Pranav Phanindra Sai , Ravi Mukkamala , Darshan Gera

Class-incremental learning (CIL) aims to enable models to continuously learn new classes while overcoming catastrophic forgetting. The introduction of pre-trained models has brought new tuning paradigms to CIL. In this paper, we revisit…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Qinhao Zhou , Yuwen Tan , Boqing Gong , Xiang Xiang

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…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Linlan Huang , Xusheng Cao , Haori Lu , Xialei Liu

Vision-language models (VLMs) like CLIP have shown impressive generalization capabilities, yet their potential for Cross-Domain Few-Shot Learning (CDFSL) remains underexplored, where the model needs to transfer source-domain information to…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Shuai Yi , Yixiong Zou , Yuhua Li , Ruixuan Li

Exemplar-free class-incremental learning (EFCIL) aims to mitigate catastrophic forgetting in class-incremental learning (CIL) without available historical training samples as exemplars. Compared with its exemplar-based CIL counterpart that…

Machine Learning · Computer Science 2025-12-18 Run He , Di Fang , Yizhu Chen , Kai Tong , Cen Chen , Yi Wang , Lap-pui Chau , Huiping Zhuang

Few-shot learning (FSL) aims to learn models that generalize to novel classes with limited training samples. Recent works advance FSL towards a scenario where unlabeled examples are also available and propose semi-supervised FSL methods.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Linglan Zhao , Dashan Guo , Yunlu Xu , Liang Qiao , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Xiangzhong Fang

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

Continual Learning (CL) in Automatic Speech Recognition (ASR) suffers from catastrophic forgetting when adapting to new tasks, domains, or speakers. A common strategy to mitigate this is to store a subset of past data in memory for…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-06 Steven Vander Eeckt , Hugo Van hamme

Few-shot class-incremental learning (FSCIL) aims to continuously recognize novel classes under limited data, which suffers from the key stability-plasticity dilemma: balancing the retention of old knowledge with the acquisition of new…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Kexin Bao , Daichi Zhang , Yong Li , Dan Zeng , Shiming Ge

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

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…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Tianqi Wang , Jingcai Guo , Depeng Li , Zhi Chen