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Class Incremental Learning (CIL) constitutes a pivotal subfield within continual learning, aimed at enabling models to progressively learn new classification tasks while retaining knowledge obtained from prior tasks. Although previous…

Machine Learning · Computer Science 2025-01-14 Jaeill Kim , Wonseok Lee , Moonjung Eo , Wonjong Rhee

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…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Jiangpeng He , Fengqing Zhu

Reduced-rank linear discriminant analysis (RRLDA) is a foundational method of dimension reduction for classification that has been useful in a wide range of applications. The goal is to identify an optimal subspace to project the…

Computation · Statistics 2026-02-12 Jocelyn T. Chi

Class-Incremental Learning (CIL) aims to learn new classes sequentially while retaining the knowledge of previously learned classes. Recently, pre-trained models (PTMs) combined with parameter-efficient fine-tuning (PEFT) have shown…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Jiangpeng He , Zhihao Duan , Fengqing Zhu

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…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Bingrong Liu , Jun Shi , Yushan Zheng

Class-incremental learning (CIL) enables continuous learning of new classes while mitigating catastrophic forgetting of old ones. For the performance breakthrough of CIL, it is essential yet challenging to effectively refine past knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Yuanzhi Su , Siyuan Chen , Yuan-Gen Wang

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

Deep models, e.g., CNNs and Vision Transformers, have achieved impressive achievements in many vision tasks in the closed world. However, novel classes emerge from time to time in our ever-changing world, requiring a learning system to…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Da-Wei Zhou , Qi-Wei Wang , Zhi-Hong Qi , Han-Jia Ye , De-Chuan Zhan , Ziwei Liu

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…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Tieyuan Chen , Huabin Liu , Chern Hong Lim , John See , Xing Gao , Junhui Hou , Weiyao Lin

Prompt-based continual learning (CL) provides a parameter-efficient approach for adapting large language models (LLMs) across task sequences. However, most existing methods rely on task-aware inference and maintain a growing set of…

Machine Learning · Computer Science 2025-10-02 Anushka Tiwari , Sayantan Pal , Rohini K. Srihari , Kaiyi Ji

Given the prevalence of rolling bearing fault diagnosis as a practical issue across various working conditions, the limited availability of samples compounds the challenge. Additionally, the complexity of the external environment and the…

Artificial Intelligence · Computer Science 2023-08-30 Jiang Liu , Wei Dai

Class-incremental learning (CIL) has achieved remarkable successes in learning new classes consecutively while overcoming catastrophic forgetting on old categories. However, most existing CIL methods unreasonably assume that all old…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Jiahua Dong , Wenqi Liang , Yang Cong , Gan Sun

Continual learning (CL) learns a sequence of tasks incrementally. This paper studies the challenging CL setting of class-incremental learning (CIL). CIL has two key challenges: catastrophic forgetting (CF) and inter-task class separation…

Machine Learning · Computer Science 2024-12-23 Saleh Momeni , Sahisnu Mazumder , Bing Liu

For object detection detectors, enhancing model performance hinges on the ability to simultaneously consider inconsistencies across tasks and focus on difficult-to-train samples. Achieving this necessitates incorporating information from…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Yanquan Huang , Liu Wei Zhen , Yun Hao , Mengyuan Zhang , Qingyao Wu , Zikun Deng , Xueming Liu , Hong Deng

Class-incremental learning (CIL) poses significant challenges in open-world scenarios, where models must not only learn new classes over time without forgetting previous ones but also handle inputs from unknown classes that a closed-set…

Machine Learning · Computer Science 2025-09-26 Srishti Gupta , Daniele Angioni , Maura Pintor , Ambra Demontis , Lea Schönherr , Battista Biggio , Fabio Roli

Continual learning with vision-language models like CLIP offers a pathway toward scalable machine learning systems by leveraging its transferable representations. Existing CLIP-based methods adapt the pre-trained image encoder by adding…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Mao-Lin Luo , Zi-Hao Zhou , Tong Wei , Min-Ling Zhang

How to improve discriminative feature learning is central in classification. Existing works address this problem by explicitly increasing inter-class separability and intra-class similarity, whether by constructing positive and negative…

Machine Learning · Computer Science 2024-08-21 Qingsong Zhao , Yi Wang , Shuguang Dou , Chen Gong , Yin Wang , Cairong Zhao

Recently, images that distort or fabricate facts using generative models have become a social concern. To cope with continuous evolution of generative artificial intelligence (AI) models, model attribution (MA) is necessary beyond just…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Hanbyul Lee , Juneho Yi

Linear Discriminant Analysis (LDA) is a fundamental method for classification. Its simple linear structure facilitates interpretation, and it is naturally suited to multi-class settings. LDA is also closely connected to several classical…

Methodology · Statistics 2026-04-09 Xin Bing , Bingqing Li , Marten Wegkamp

In today's connected world, the generation of massive streaming data across diverse domains has become commonplace. In the presence of concept drift, class imbalance, label scarcity, and new class emergence, they jointly degrade…

Machine Learning · Computer Science 2026-02-11 Jin Li , Kleanthis Malialis , Marios Polycarpou