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It is generally assumed that number of classes is fixed in current audio classification methods, and the model can recognize pregiven classes only. When new classes emerge, the model needs to be retrained with adequate samples of all…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-06 Yanxiong Li , Wenchang Cao , Jialong Li , Wei Xie , Qianhua He

Few-shot class-incremental learning is to recognize the new classes given few samples and not forget the old classes. It is a challenging task since representation optimization and prototype reorganization can only be achieved under little…

Computer Vision and Pattern Recognition · Computer Science 2021-07-20 Kai Zhu , Yang Cao , Wei Zhai , Jie Cheng , Zheng-Jun Zha

Humans have a remarkable ability to quickly and effectively learn new concepts in a continuous manner without forgetting old knowledge. Though deep learning has made tremendous successes on various computer vision tasks, it faces challenges…

Machine Learning · Computer Science 2022-07-26 Kun Wu , Chengxiang Yin , Jian Tang , Zhiyuan Xu , Yanzhi Wang , Dejun Yang

The dynamic nature of open-world scenarios has attracted more attention to class incremental learning (CIL). However, existing CIL methods typically presume the availability of complete ground-truth labels throughout the training process,…

Machine Learning · Computer Science 2024-08-20 Jiaming Liu , Hongyuan Liu , Zhili Qin , Wei Han , Yulu Fan , Qinli Yang , Junming Shao

Depicting novel classes with language descriptions by observing few-shot samples is inherent in human-learning systems. This lifelong learning capability helps to distinguish new knowledge from old ones through the increase of open-world…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Yifan Zhao , Jia Li , Zeyin Song , Yonghong Tian

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…

Machine Learning · Computer Science 2023-06-22 Depeng Li , Zhigang Zeng

Exemplar-free Class Incremental Learning (EFCIL) aims to learn from a sequence of tasks without having access to previous task data. In this paper, we consider the challenging Cold Start scenario in which insufficient data is available in…

Computer Vision and Pattern Recognition · Computer Science 2025-10-06 Simone Magistri , Tomaso Trinci , Albin Soutif-Cormerais , Joost van de Weijer , Andrew D. Bagdanov

The goal of Few-Shot Continual Learning (FSCL) is to incrementally learn novel tasks with limited labeled samples and preserve previous capabilities simultaneously, while current FSCL methods are all for the class-incremental purpose.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-14 Yawen Cui , Zitong Yu , Rizhao Cai , Xun Wang , Alex C. Kot , Li Liu

Few-shot class-incremental learning (FSCIL) poses significant challenges for artificial neural networks due to the need to efficiently learn from limited data while retaining knowledge of previously learned tasks. Inspired by the brain's…

Computer Vision and Pattern Recognition · Computer Science 2025-02-27 Wanyi Li , Wei Wei , Yongkang Luo , Peng Wang

Exemplar-Free Class Incremental Learning (EFCIL) aims to learn from a sequence of tasks without having access to previous task data. In this paper, we consider the challenging Cold Start scenario in which insufficient data is available in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Simone Magistri , Tomaso Trinci , Albin Soutif-Cormerais , Joost van de Weijer , Andrew D. Bagdanov

With the memory-resource-limited constraints, class-incremental learning (CIL) usually suffers from the "catastrophic forgetting" problem when updating the joint classification model on the arrival of newly added classes. To cope with the…

Machine Learning · Computer Science 2021-05-19 Hanbin Zhao , Hui Wang , Yongjian Fu , Fei Wu , Xi Li

Federated Learning (FL) enables collaborative model training among participants while guaranteeing the privacy of raw data. Mainstream FL methodologies overlook the dynamic nature of real-world data, particularly its tendency to grow in…

Machine Learning · Computer Science 2024-04-18 Zhiyuan Wu , Tianliu He , Sheng Sun , Yuwei Wang , Min Liu , Bo Gao , Xuefeng Jiang

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…

Computer Vision and Pattern Recognition · Computer Science 2026-02-05 Aditya R. Bhattacharya , Debanjan Goswami , Shayok Chakraborty

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

Conventional detection networks usually need abundant labeled training samples, while humans can learn new concepts incrementally with just a few examples. This paper focuses on a more challenging but realistic class-incremental few-shot…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Pengyang Li , Yanan Li , Han Cui , Donghui Wang

This study presents a novel approach to Generative Class Incremental Learning (GCIL) by introducing the forgetting mechanism, aimed at dynamically managing class information for better adaptation to streaming data. GCIL is one of the hot…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Taro Togo , Ren Togo , Keisuke Maeda , Takahiro Ogawa , Miki Haseyama

Many real-world classification problems often have classes with very few labeled training samples. Moreover, all possible classes may not be initially available for training, and may be given incrementally. Deep learning models need to deal…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Pratik Mazumder , Pravendra Singh , Piyush Rai

Few-Shot Class-Incremental Learning (FSCIL) faces dual challenges of data scarcity and incremental learning in real-world scenarios. While pool-based prompting methods have demonstrated success in traditional incremental learning, their…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Yongwei Jiang , Yixiong Zou , Yuhua Li , Ruixuan Li

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

For future learning systems, incremental learning is desirable because it allows for: efficient resource usage by eliminating the need to retrain from scratch at the arrival of new data; reduced memory usage by preventing or limiting the…

Machine Learning · Computer Science 2022-10-12 Marc Masana , Xialei Liu , Bartlomiej Twardowski , Mikel Menta , Andrew D. Bagdanov , Joost van de Weijer