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We study model confidence calibration in class-incremental learning, where models learn from sequential tasks with different class sets. While existing works primarily focus on accuracy, maintaining calibrated confidence has been largely…

机器学习 · 计算机科学 2025-03-31 Seong-Hyeon Hwang , Minsu Kim , Steven Euijong Whang

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…

机器学习 · 计算机科学 2021-05-19 Hanbin Zhao , Hui Wang , Yongjian Fu , Fei Wu , Xi Li

Click-through Rate (CTR) prediction in real-world recommender systems often deals with billions of user interactions every day. To improve the training efficiency, it is common to update the CTR prediction model incrementally using the new…

信息检索 · 计算机科学 2025-05-07 Zhikai Wang , Yanyan Shen , Zibin Zhang , Kangyi Lin

Large Language Models (LLMs) can adapt to new tasks via in-context learning (ICL). ICL is efficient as it does not require any parameter updates to the trained LLM, but only few annotated examples as input for the LLM. In this work, we…

Class-Incremental Learning (CIL) is a practical and challenging problem for achieving general artificial intelligence. Recently, Pre-Trained Models (PTMs) have led to breakthroughs in both visual and natural language processing tasks.…

机器学习 · 计算机科学 2024-02-16 Junhao Zheng , Ruiyan Wang , Chongzhi Zhang , Huawen Feng , Qianli Ma

Few-Shot Class-Incremental Learning (FSCIL) defines a practical but challenging task where models are required to continuously learn novel concepts with only a few training samples. Due to data scarcity, existing FSCIL methods resort to…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Chengyan Liu , Linglan Zhao , Fan Lyu , Kaile Du , Fuyuan Hu , Tao Zhou

Temporal Action Segmentation (TAS) is an essential task in video analysis, aiming to segment and classify continuous frames into distinct action segments. However, the ambiguous boundaries between actions pose a significant challenge for…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Shuaibing Wang , Shunli Wang , Mingcheng Li , Dingkang Yang , Haopeng Kuang , Ziyun Qian , Lihua Zhang

Non-exemplar class incremental learning aims to learn both the new and old tasks without accessing any training data from the past. This strict restriction enlarges the difficulty of alleviating catastrophic forgetting since all techniques…

计算机视觉与模式识别 · 计算机科学 2023-12-21 Jiang-Tian Zhai , Xialei Liu , Lu Yu , Ming-Ming Cheng

Data-free continual learning (DFCIL) relies on model inversion to synthesize pseudo-samples and mitigate catastrophic forgetting. However, existing inversion methods are fundamentally limited by a simplifying assumption: they model feature…

机器学习 · 计算机科学 2026-05-13 Patryk Krukowski , Jacek Tabor , Przemysław Spurek , Marek Śmieja , Łukasz Struski

Few-shot class-incremental learning (FSCIL) presents a core challenge in continual learning, requiring models to rapidly adapt to new classes with very limited samples while mitigating catastrophic forgetting. Recent prompt-based methods,…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Shuai Huang , Xuhan Lin , Yuwu Lu

Continual learning, also known as lifelong learning or incremental learning, refers to the process by which a model learns from a stream of incoming data over time. A common problem in continual learning is the classification layer's bias…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Haoran Chen , Micah Goldblum , Zuxuan Wu , Yu-Gang Jiang

Class imbalance poses a major challenge for machine learning as most supervised learning models might exhibit bias towards the majority class and under-perform in the minority class. Cost-sensitive learning tackles this problem by treating…

机器学习 · 计算机科学 2022-09-20 Vasileios Iosifidis , Symeon Papadopoulos , Bodo Rosenhahn , Eirini Ntoutsi

Few-shot text classification aims to classify the text under the few-shot scenario. Most of the previous methods adopt optimization-based meta learning to obtain task distribution. However, due to the neglect of matching between the few…

计算与语言 · 计算机科学 2023-07-31 Tianyi Lei , Honghui Hu , Qiaoyang Luo , Dezhong Peng , Xu Wang

In-context learning (ICL), which promotes inference with several demonstrations, has become a widespread paradigm to stimulate LLM capabilities for downstream tasks. Due to context length constraints, it cannot be further improved in spite…

计算与语言 · 计算机科学 2024-06-04 Jiahao Li , Quan Wang , Licheng Zhang , Guoqing Jin , Zhendong Mao

Continual Learning (CL) aims to incrementally update a trained model on new tasks without forgetting the acquired knowledge of old ones. Existing CL methods usually reduce forgetting with task priors, \ie using task identity or a subset of…

计算机视觉与模式识别 · 计算机科学 2023-10-17 Tao Zhuo , Zhiyong Cheng , Hehe Fan , Mohan Kankanhalli

The ability to incrementally learn new classes from limited samples is crucial to the development of artificial intelligence systems for real clinical application. Although existing incremental learning techniques have attempted to address…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Hao Yang , Weijian Huang , Jiarun Liu , Cheng Li , Shanshan Wang

Pretrained transformers exhibit the remarkable ability of in-context learning (ICL): they can learn tasks from just a few examples provided in the prompt without updating any weights. This raises a foundational question: can ICL solve…

机器学习 · 计算机科学 2023-11-09 Allan Raventós , Mansheej Paul , Feng Chen , Surya Ganguli

Policy gradient reinforcement learning (RL) algorithms have achieved impressive performance in challenging learning tasks such as continuous control, but suffer from high sample complexity. Experience replay is a commonly used approach to…

机器学习 · 统计学 2020-02-19 Saad Mohamad , Giovanni Montana

Imitation learning is a class of promising policy learning algorithms that is free from many practical issues with reinforcement learning, such as the reward design issue and the exploration hardness. However, the current imitation…

机器学习 · 计算机科学 2022-10-19 Zhao-Heng Yin , Weirui Ye , Qifeng Chen , Yang Gao

Meta-learning approaches have been proposed to tackle the few-shot learning problem.Typically, a meta-learner is trained on a variety of tasks in the hopes of being generalizable to new tasks. However, the generalizability on new tasks of a…

机器学习 · 计算机科学 2018-05-22 Muhammad Abdullah Jamal , Guo-Jun Qi , Mubarak Shah