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Most previous few-shot learning algorithms are based on meta-training with fake few-shot tasks as training samples, where large labeled base classes are required. The trained model is also limited by the type of tasks. In this paper we…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Jianyi Li , Guizhong Liu

Collaborative learning enables distributed clients to learn a shared model for prediction while keeping the training data local on each client. However, existing collaborative learning methods require fully-labeled data for training, which…

机器学习 · 计算机科学 2022-04-26 Yawen Wu , Zhepeng Wang , Dewen Zeng , Meng Li , Yiyu Shi , Jingtong Hu

Personalization aims to characterize individual preferences and is widely applied across many fields. However, conventional personalized methods operate in a centralized manner, potentially exposing raw data when pooling individual…

机器学习 · 计算机科学 2025-08-06 Hao Di , Yi Yang , Haishan Ye , Xiangyu Chang

Complex data mining has wide application value in many fields, especially in the feature extraction and classification tasks of unlabeled data. This paper proposes an algorithm based on self-supervised learning and verifies its…

机器学习 · 计算机科学 2025-04-08 Yingbin Liang , Lu Dai , Shuo Shi , Minghao Dai , Junliang Du , Haige Wang

Learning from vertical partitioned data silos is challenging due to the segmented nature of data, sample misalignment, and strict privacy concerns. Federated learning has been proposed as a solution. However, sample misalignment across…

机器学习 · 计算机科学 2025-02-17 Achmad Ginanjar , Xue Li , Wen Hua , Jiaming Pei

While Reinforcement Learning from Human Feedback (RLHF) is widely used to align Large Language Models (LLMs) with human preferences, it typically assumes homogeneous preferences across users, overlooking diverse human values and minority…

计算与语言 · 计算机科学 2025-10-28 Yijiang River Dong , Tiancheng Hu , Yinhong Liu , Ahmet Üstün , Nigel Collier

Since federated learning (FL) has been introduced as a decentralized learning technique with privacy preservation, statistical heterogeneity of distributed data stays the main obstacle to achieve robust performance and stable convergence in…

机器学习 · 计算机科学 2022-12-08 Yanhang Shi , Siguang Chen , Haijun Zhang

Motivated by high resource costs of centralized machine learning schemes as well as data privacy concerns, federated learning (FL) emerged as an efficient alternative that relies on aggregating locally trained models rather than collecting…

机器学习 · 计算机科学 2023-12-22 Yiyue Chen , Haris Vikalo , Chianing Wang

Choosing a decision threshold is one of the challenging job in any classification tasks. How much the model is accurate, if the deciding boundary is not picked up carefully, its entire performance would go in vain. On the other hand, for…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Bharat Bohara

Federated Learning (FL) trains deep models across edge devices without centralizing raw data, preserving user privacy. However, client heterogeneity slows down convergence and limits global model accuracy. Clustered FL (CFL) mitigates this…

机器学习 · 计算机科学 2026-02-10 Minghao Li , Dmitrii Avdiukhin , Rana Shahout , Nikita Ivkin , Vladimir Braverman , Minlan Yu

It is generally believed that robust training of extremely large networks is critical to their success in real-world applications. However, when taken to the extreme, methods that promote robustness can hurt the model's sensitivity to rare…

机器学习 · 计算机科学 2021-05-21 Seungyeon Kim , Daniel Glasner , Srikumar Ramalingam , Cho-Jui Hsieh , Kishore Papineni , Sanjiv Kumar

Lane detection models are often evaluated in a closed-world setting, where training and testing occur on the same dataset. We observe that, even within the same domain, cross-dataset distribution shifts can cause severe catastrophic…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Mohammed Abdul Hafeez Khan , Parth Ganeriwala , Sarah M. Lehman , Siddhartha Bhattacharyya , Amy Alvarez , Natasha Neogi

Federated learning has received significant attention for its ability to simultaneously protect customer privacy and leverage distributed data from multiple devices for model training. However, conventional approaches often focus on…

机器学习 · 计算机科学 2025-10-07 Jiahao Zeng , Wolong Xing , Liangtao Shi , Xin Huang , Jialin Wang , Zhile Cao , Zhenkui Shi

Self-supervised learning has recently shown great potential in vision tasks through contrastive learning, which aims to discriminate each image, or instance, in the dataset. However, such instance-level learning ignores the semantic…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Tsai-Shien Chen , Wei-Chih Hung , Hung-Yu Tseng , Shao-Yi Chien , Ming-Hsuan Yang

Self-training and contrastive learning have emerged as leading techniques for incorporating unlabeled data, both under distribution shift (unsupervised domain adaptation) and when it is absent (semi-supervised learning). However, despite…

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

Personalized Federated Learning (PFL) constitutes a novel paradigm that tailors Machine Learning (ML) models to individual clients, thereby furnishing personalized model updates whilst upholding stringent data privacy principles. Diverging…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Md. Arifur Rahman , Isha Das , Mushfiqur Rahman Abir , B. M. Taslimul Haque , Abdullah Al Noman , Abir Ahmed , Md. Jakir Hossen

The aging population is growing rapidly, and so is the danger of falls in older adults. A major cause of injury is falling, and detection in time can greatly save medical expenses and recovery time. However, to provide timely intervention…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Seyed Alireza Rahimi Azghadi , Truong-Thanh-Hung Nguyen , Helene Fournier , Monica Wachowicz , Rene Richard , Francis Palma , Hung Cao

Few-Shot Learning (FSL) aims to improve a model's generalization capability in low data regimes. Recent FSL works have made steady progress via metric learning, meta learning, representation learning, etc. However, FSL remains challenging…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Meng Ye , Xiao Lin , Giedrius Burachas , Ajay Divakaran , Yi Yao

Federated learning (FL) is a distributed learning method that offers medical institutes the prospect of collaboration in a global model while preserving the privacy of their patients. Although most medical centers conduct similar medical…

机器学习 · 计算机科学 2022-07-08 Yousef Yeganeh , Azade Farshad , Johann Boschmann , Richard Gaus , Maximilian Frantzen , Nassir Navab