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Task-free online continual learning aims to alleviate catastrophic forgetting of the learner on a non-iid data stream. Experience Replay (ER) is a SOTA continual learning method, which is broadly used as the backbone algorithm for other…

机器学习 · 计算机科学 2021-08-24 Zhiyi Chen , Tong Lin

Object Detection, a fundamental computer vision problem, has paramount importance in smart camera systems. However, a truly reliable camera system could be achieved if and only if the underlying object detection component is robust enough…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Ujjal Kr Dutta

Continual Learning (CL) investigates how to train Deep Networks on a stream of tasks without incurring forgetting. CL settings proposed in literature assume that every incoming example is paired with ground-truth annotations. However, this…

Despite the empirical success of knowledge distillation, current state-of-the-art methods are computationally expensive to train, which makes them difficult to adopt in practice. To address this problem, we introduce two distinct…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Roy Miles , Adrian Lopez Rodriguez , Krystian Mikolajczyk

Continual learning (CL) is crucial for language models to dynamically adapt to the evolving real-world demands. To mitigate the catastrophic forgetting problem in CL, data replay has been proven a simple and effective strategy, and the…

计算与语言 · 计算机科学 2024-11-12 Jinghan He , Haiyun Guo , Kuan Zhu , Zihan Zhao , Ming Tang , Jinqiao Wang

The ability to learn different tasks sequentially is essential to the development of artificial intelligence. In general, neural networks lack this capability, the major obstacle being catastrophic forgetting. It occurs when the…

机器学习 · 计算机科学 2021-10-22 Kaustubh Olpadkar , Ekta Gavas

This paper addresses the limitations of large-scale language models in safety alignment and robustness by proposing a fine-tuning method that combines contrastive distillation with noise-robust training. The method freezes the backbone…

计算与语言 · 计算机科学 2025-11-03 Jiasen Zheng , Huajun Zhang , Xu Yan , Ran Hao , Chong Peng

The use of episodic memory in continual learning has demonstrated effectiveness for alleviating catastrophic forgetting. In recent studies, gradient-based approaches have been developed to make more efficient use of compact episodic memory.…

机器学习 · 统计学 2022-04-15 Yu Chen , Tom Diethe , Peter Flach

Online Continual Learning (OCL) empowers machine learning models to acquire new knowledge online across a sequence of tasks. However, OCL faces a significant challenge: catastrophic forgetting, wherein the model learned in previous tasks is…

机器学习 · 计算机科学 2024-05-16 Fan Lyu , Daofeng Liu , Linglan Zhao , Zhang Zhang , Fanhua Shang , Fuyuan Hu , Wei Feng , Liang Wang

Incremental learning requires a model to continually learn new tasks from streaming data. However, traditional fine-tuning of a well-trained deep neural network on a new task will dramatically degrade performance on the old task -- a…

计算机视觉与模式识别 · 计算机科学 2021-01-01 Can Peng , Kun Zhao , Sam Maksoud , Meng Li , Brian C. Lovell

We propose a causal framework to explain the catastrophic forgetting in Class-Incremental Learning (CIL) and then derive a novel distillation method that is orthogonal to the existing anti-forgetting techniques, such as data replay and…

人工智能 · 计算机科学 2021-03-09 Xinting Hu , Kaihua Tang , Chunyan Miao , Xian-Sheng Hua , Hanwang Zhang

Contrastive learning is a well-established paradigm in representation learning. The standard framework of contrastive learning minimizes the distance between "similar" instances and maximizes the distance between dissimilar ones in the…

机器学习 · 计算机科学 2025-02-06 Naghmeh Ghanooni , Barbod Pajoum , Harshit Rawal , Sophie Fellenz , Vo Nguyen Le Duy , Marius Kloft

To extract robust deep representations from long sequential modeling of speech data, we propose a self-supervised learning approach, namely Contrastive Separative Coding (CSC). Our key finding is to learn such representations by separating…

音频与语音处理 · 电气工程与系统科学 2021-03-02 Jun Wang , Max W. Y. Lam , Dan Su , Dong Yu

Continual learning (CL) aims to constantly learn new knowledge over time while avoiding catastrophic forgetting on old tasks. We focus on continual text classification under the class-incremental setting. Recent CL studies have identified…

计算与语言 · 计算机科学 2023-10-11 Yifan Song , Peiyi Wang , Weimin Xiong , Dawei Zhu , Tianyu Liu , Zhifang Sui , Sujian Li

Learning good representations involves capturing the diverse ways in which data samples relate. Contrastive loss - an objective matching related samples - underlies methods from self-supervised to multimodal learning. Contrastive losses,…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Vlad Sobal , Mark Ibrahim , Randall Balestriero , Vivien Cabannes , Diane Bouchacourt , Pietro Astolfi , Kyunghyun Cho , Yann LeCun

Unsupervised anomaly detection using deep learning has garnered significant research attention due to its broad applicability, particularly in medical imaging where labeled anomalous data are scarce. While earlier approaches leverage…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Chunlei Li , Yilei Shi , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou

The Contrastive Language-Image Pre-training (CLIP) Model is a recently proposed large-scale pre-train model which attracts increasing attention in the computer vision community. Benefiting from its gigantic image-text training set, the CLIP…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Yuxuan Ding , Lingqiao Liu , Chunna Tian , Jingyuan Yang , Haoxuan Ding

Lifelong learning aims to train a model with good performance for new tasks while retaining the capacity of previous tasks. However, some practical scenarios require the system to forget undesirable knowledge due to privacy issues, which is…

人工智能 · 计算机科学 2024-05-30 Lianlei Shan , Wenzhang Zhou , Wei Li , Xingyu Ding

Catastrophic forgetting of previous knowledge is a critical issue in continual learning typically handled through various regularization strategies. However, existing methods struggle especially when several incremental steps are performed.…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Chang Liu , Giulia Rizzoli , Francesco Barbato , Andrea Maracani , Marco Toldo , Umberto Michieli , Yi Niu , Pietro Zanuttigh

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…

计算机视觉与模式识别 · 计算机科学 2021-08-20 James Smith , Yen-Chang Hsu , Jonathan Balloch , Yilin Shen , Hongxia Jin , Zsolt Kira