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Related papers: Long-Tailed Class Incremental Learning

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We consider class incremental learning (CIL) problem, in which a learning agent continuously learns new classes from incrementally arriving training data batches and aims to predict well on all the classes learned so far. The main challenge…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Hongjoon Ahn , Jihwan Kwak , Subin Lim , Hyeonsu Bang , Hyojun Kim , Taesup Moon

Class incremental learning (CIL) aims to learn a model that can not only incrementally accommodate new classes, but also maintain the learned knowledge of old classes. Out-of-distribution (OOD) detection in CIL is to retain this incremental…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Wenjun Miao , Guansong Pang , Trong-Tung Nguyen , Ruohang Fang , Jin Zheng , Xiao Bai

Existing continual learning techniques focus on either task incremental learning (TIL) or class incremental learning (CIL) problem, but not both. CIL and TIL differ mainly in that the task-id is provided for each test sample during testing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 Gyuhak Kim , Sepideh Esmaeilpour , Changnan Xiao , Bing Liu

Class-incremental learning (CIL) enables models to continuously learn new categories from sequential tasks without forgetting previously acquired knowledge. While recent advances in vision-language models such as CLIP have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Haoran Chen , Houze Xu , Micah Goldblum , Daoguo Dong , Zuxuan Wu

Class-Incremental Learning (CIL) aims to sequentially learn new classes while mitigating catastrophic forgetting of previously learned knowledge. Conventional CIL approaches implicitly assume that classes are morphologically static,…

Machine Learning · Computer Science 2026-02-03 Zheng Zhang , Tao Hu , Xueheng Li , Yang Wang , Rui Li , Jie Zhang , Chengjun Xie

Instance-incremental learning (IIL) focuses on learning continually with data of the same classes. Compared to class-incremental learning (CIL), the IIL is seldom explored because IIL suffers less from catastrophic forgetting (CF). However,…

Machine Learning · Computer Science 2024-06-06 Qiang Nie , Weifu Fu , Yuhuan Lin , Jialin Li , Yifeng Zhou , Yong Liu , Lei Zhu , Chengjie Wang

It is not uncommon that real-world data are distributed with a long tail. For such data, the learning of deep neural networks becomes challenging because it is hard to classify tail classes correctly. In the literature, several existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Mengke Li , Yiu-ming Cheung , Yang Lu , Zhikai Hu , Weichao Lan , Hui Huang

Continual learning (CL) with long-tailed data distributions remains a critical challenge for real-world AI systems, where models must sequentially adapt to new classes while retaining knowledge of old ones, despite severe class imbalance.…

Machine Learning · Computer Science 2025-07-24 Hao Dai , Chong Tang , Jagmohan Chauhan

New categories may be introduced over time, or existing categories may need to be reclassified. Class incremental learning (CIL) is employed for the gradual acquisition of knowledge about new categories while preserving information about…

Machine Learning · Computer Science 2024-01-08 Zhiwei Zuo , Zhuo Tang , Bin Wang , Kenli Li , Anwitaman Datta

Class incremental learning (CIL) aims to recognize both the old and new classes along the increment tasks. Deep neural networks in CIL suffer from catastrophic forgetting and some approaches rely on saving exemplars from previous tasks,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Xiuwei Chen , Xiaobin Chang

Class-incremental learning (CIL) aims to adapt to continuously emerging new classes while preserving knowledge of previously learned ones. Few-shot class-incremental learning (FSCIL) presents a greater challenge that requires the model to…

Artificial Intelligence · Computer Science 2025-08-19 Shiwon Kim , Dongjun Hwang , Sungwon Woo , Rita Singh

Real-world data usually present long-tailed distributions. Training on imbalanced data tends to render neural networks perform well on head classes while much worse on tail classes. The severe sparseness of training instances for the tail…

Machine Learning · Computer Science 2021-11-10 Chaozheng Wang , Shuzheng Gao , Cuiyun Gao , Pengyun Wang , Wenjie Pei , Lujia Pan , Zenglin Xu

Incremental learning (IL) aims to overcome catastrophic forgetting of previous tasks while learning new ones. Existing IL methods make strong assumptions that the incoming task type will either only increases new classes or domains (i.e.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Sheng Luo , Yi Zhou , Tao Zhou

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…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Sunyuan Qiang , Yanyan Liang , Jun Wan , Du Zhang

The long-tail distribution of the visual world poses great challenges for deep learning based classification models on how to handle the class imbalance problem. Existing solutions usually involve class-balancing strategies, e.g., by loss…

Computer Vision and Pattern Recognition · Computer Science 2020-02-20 Bingyi Kang , Saining Xie , Marcus Rohrbach , Zhicheng Yan , Albert Gordo , Jiashi Feng , Yannis Kalantidis

A significant challenge in achieving ubiquitous Artificial Intelligence is the limited ability of models to rapidly learn new information in real-world scenarios where data follows long-tailed distributions, all while avoiding forgetting…

Machine Learning · Computer Science 2024-04-09 Siddeshwar Raghavan , Jiangpeng He , Fengqing Zhu

Real-world visual recognition requires handling the extreme sample imbalance in large-scale long-tailed data. We propose a "divide&conquer" strategy for the challenging LVIS task: divide the whole data into balanced parts and then apply…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Xinting Hu , Yi Jiang , Kaihua Tang , Jingyuan Chen , Chunyan Miao , Hanwang Zhang

Real-world imagery is often characterized by a significant imbalance of the number of images per class, leading to long-tailed distributions. An effective and simple approach to long-tailed visual recognition is to learn feature…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Ahmet Iscen , André Araujo , Boqing Gong , Cordelia Schmid

Deep long-tailed learning, one of the most challenging problems in visual recognition, aims to train well-performing deep models from a large number of images that follow a long-tailed class distribution. In the last decade, deep learning…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yifan Zhang , Bingyi Kang , Bryan Hooi , Shuicheng Yan , Jiashi Feng

Many deep learning applications, like keyword spotting, require the incorporation of new concepts (classes) over time, referred to as Class Incremental Learning (CIL). The major challenge in CIL is catastrophic forgetting, i.e., preserving…

Machine Learning · Computer Science 2022-04-28 Dong Ma , Chi Ian Tang , Cecilia Mascolo