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Contrastive learning has been proven beneficial for self-supervised skeleton-based action recognition. Most contrastive learning methods utilize carefully designed augmentations to generate different movement patterns of skeletons for the…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Jiahang Zhang , Lilang Lin , Jiaying Liu

Continual Learning (CL) algorithms incrementally learn a predictor or representation across multiple sequentially observed tasks. Designing CL algorithms that perform reliably and avoid so-called catastrophic forgetting has proven a…

机器学习 · 计算机科学 2020-06-11 Jeremias Knoblauch , Hisham Husain , Tom Diethe

Continual Learning (CL) for malware classification tackles the rapidly evolving nature of malware threats and the frequent emergence of new types. Generative Replay (GR)-based CL systems utilize a generative model to produce synthetic…

密码学与安全 · 计算机科学 2025-01-03 Jimin Park , AHyun Ji , Minji Park , Mohammad Saidur Rahman , Se Eun Oh

With the successful application of deep learning to magnetic resonance (MR) imaging, parallel imaging techniques based on neural networks have attracted wide attention. However, in the absence of high-quality, fully sampled datasets for…

图像与视频处理 · 电气工程与系统科学 2022-11-15 Shanshan Wang , Ruoyou Wu , Cheng Li , Juan Zou , Ziyao Zhang , Qiegen Liu , Yan Xi , Hairong Zheng

Dimension reduction is useful for exploratory data analysis. In many applications, it is of interest to discover variation that is enriched in a "foreground" dataset relative to a "background" dataset. Recently, contrastive principal…

统计方法学 · 统计学 2021-05-04 Didong Li , Andrew Jones , Barbara Engelhardt

Micro-video recommender systems suffer from the ubiquitous noises in users' behaviors, which might render the learned user representation indiscriminating, and lead to trivial recommendations (e.g., popular items) or even weird ones that…

信息检索 · 计算机科学 2022-08-18 Shengyu Zhang , Bofang Li , Dong Yao , Fuli Feng , Jieming Zhu , Wenyan Fan , Zhou Zhao , Xiaofei He , Tat-seng Chua , Fei Wu

Recent contrastive methods show significant improvement in self-supervised learning in several domains. In particular, contrastive methods are most effective where data augmentation can be easily constructed e.g. in computer vision.…

机器学习 · 计算机科学 2021-12-09 Konstantinos Kallidromitis , Denis Gudovskiy , Kazuki Kozuka , Iku Ohama , Luca Rigazio

Unsupervised learning has been a long-standing goal of machine learning and is especially important for medical image analysis, where the learning can compensate for the scarcity of labeled datasets. A promising subclass of unsupervised…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Ozan Ciga , Tony Xu , Anne L. Martel

The primary objective of methods in continual learning is to learn tasks in a sequential manner over time (sometimes from a stream of data), while mitigating the detrimental phenomenon of catastrophic forgetting. This paper proposes a…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Nisha L. Raichur , Lucas Heublein , Tobias Feigl , Alexander Rügamer , Christopher Mutschler , Felix Ott

Deep learning accelerators efficiently train over vast and growing amounts of data, placing a newfound burden on commodity networks and storage devices. A common approach to conserve bandwidth involves resizing or compressing data prior to…

机器学习 · 计算机科学 2021-08-13 Michael Kuchnik , George Amvrosiadis , Virginia Smith

Contrastive representation learning (CRL) underpins many modern foundation models. Despite recent theoretical progress, existing analyses suffer from several key limitations: (i) the statistical consistency of CRL remains poorly understood;…

机器学习 · 计算机科学 2026-05-29 Yuanfan Li , Xiyuan Wei , Tianbao Yang , Yiming Ying

Continual lifelong learning is an machine learning framework inspired by human learning, where learners are trained to continuously acquire new knowledge in a sequential manner. However, the non-stationary nature of streaming training data…

机器学习 · 计算机科学 2024-05-14 Xingyu Li , Bo Tang , Haifeng Li

We propose a novel framework and a solution to tackle the continual learning (CL) problem with changing network architectures. Most CL methods focus on adapting a single architecture to a new task/class by modifying its weights. However,…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Divyam Madaan , Hongxu Yin , Wonmin Byeon , Jan Kautz , Pavlo Molchanov

In real life, success is often contingent upon multiple critical steps that are distant in time from each other and from the final reward. These critical steps are challenging to identify with traditional reinforcement learning (RL) methods…

Continual learning seeks to enable deep learners to train on a series of tasks of unknown length without suffering from the catastrophic forgetting of previous tasks. One effective solution is replay, which involves storing few previous…

机器学习 · 计算机科学 2023-08-04 Daniel Brignac , Niels Lobo , Abhijit Mahalanobis

Humans engage in learning and reviewing processes with curricula when acquiring new skills or knowledge. This human learning behavior has inspired the integration of curricula with replay methods in continual learning agents. The goal is to…

机器学习 · 计算机科学 2023-07-26 Ren Jie Tee , Mengmi Zhang

Causal representation learning (CRL) has garnered increasing interest from the causal inference and artificial intelligence communities due to its potential to disentangle complex data-generating mechanism into causally interpretable latent…

机器学习 · 统计学 2026-05-28 Hao Chen , Lin Liu , Yu Guang Wang

The mainstream researche in deep metric learning can be divided into two genres: proxy-based and pair-based methods. Proxy-based methods have attracted extensive attention due to the lower training complexity and fast network convergence.…

信息检索 · 计算机科学 2023-04-19 Xinyue Li , Jian Wang , Wei Song , Yanling Du , Zhixiang Liu

Traditional online continual learning (OCL) research has primarily focused on mitigating catastrophic forgetting with fixed and limited storage allocation throughout an agent's lifetime. However, a broad range of real-world applications are…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Ameya Prabhu , Zhipeng Cai , Puneet Dokania , Philip Torr , Vladlen Koltun , Ozan Sener

In this work, we introduce JDCL - a new method for continual learning with generative rehearsal based on joint diffusion models. Neural networks suffer from catastrophic forgetting defined as abrupt loss in the model's performance when…

机器学习 · 计算机科学 2025-10-07 Paweł Skierś , Kamil Deja