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Many existing FL methods assume clients with fully-labeled data, while in realistic settings, clients have limited labels due to the expensive and laborious process of labeling. Limited labeled local data of the clients often leads to their…

机器学习 · 计算机科学 2023-07-19 Yae Jee Cho , Gauri Joshi , Dimitrios Dimitriadis

Many existing federated learning (FL) algorithms are designed for supervised learning tasks, assuming that the local data owned by the clients are well labeled. However, in many practical situations, it could be difficult and expensive to…

机器学习 · 计算机科学 2021-11-02 Zhiguo Wang , Xintong Wang , Ruoyu Sun , Tsung-Hui Chang

Semi-supervised learning (SSL) algorithms struggle to perform well when exposed to imbalanced training data. In this scenario, the generated pseudo-labels can exhibit a bias towards the majority class, and models that employ these…

机器学习 · 计算机科学 2024-09-18 Zeju Li , Ying-Qiu Zheng , Chen Chen , Saad Jbabdi

Federated learning (FL) aims to collaboratively train a shared model across multiple clients without transmitting their local data. Data heterogeneity is a critical challenge in realistic FL settings, as it causes significant performance…

机器学习 · 计算机科学 2023-11-15 Yuwei Wang , Runhan Li , Hao Tan , Xuefeng Jiang , Sheng Sun , Min Liu , Bo Gao , Zhiyuan Wu

Semi-supervised learning (SSL) provides an effective means of leveraging unlabeled data to improve a model's performance. In this paper, we demonstrate the power of a simple combination of two common SSL methods: consistency regularization…

Semi-supervised learning (SSL) can reduce the need for large labelled datasets by incorporating unlabelled data into the training. This is particularly interesting for semantic segmentation, where labelling data is very costly and…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Sebastian Scherer , Robin Schön , Rainer Lienhart

Federated Learning (FL) is transforming the ML training ecosystem from a centralized over-the-cloud setting to distributed training over edge devices in order to strengthen data privacy. An essential but rarely studied challenge in FL is…

机器学习 · 计算机科学 2021-10-07 Chaoyang He , Zhengyu Yang , Erum Mushtaq , Sunwoo Lee , Mahdi Soltanolkotabi , Salman Avestimehr

Semi-supervised learning holds great promise for many real-world applications, due to its ability to leverage both unlabeled and expensive labeled data. However, most semi-supervised learning algorithms still heavily rely on the limited…

机器学习 · 计算机科学 2023-12-29 Huiling Qin , Xianyuan Zhan , Yuanxun Li , Yu Zheng

Vertical federated learning (VFL), a variant of Federated Learning (FL), has recently drawn increasing attention as the VFL matches the enterprises' demands of leveraging more valuable features to achieve better model performance. However,…

机器学习 · 计算机科学 2023-06-09 Yuanqin He , Yan Kang , Xinyuan Zhao , Jiahuan Luo , Lixin Fan , Yuxing Han , Qiang Yang

We address the challenging problem of Long-Tailed Semi-Supervised Learning (LTSSL) where labeled data exhibit imbalanced class distribution and unlabeled data follow an unknown distribution. Unlike in balanced SSL, the generated…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Chengcheng Ma , Ismail Elezi , Jiankang Deng , Weiming Dong , Changsheng Xu

Federated Semi-supervised Learning (FedSSL) has emerged as a new paradigm for allowing distributed clients to collaboratively train a machine learning model over scarce labeled data and abundant unlabeled data. However, existing works for…

机器学习 · 计算机科学 2023-05-02 Jie Zhang , Xiaosong Ma , Song Guo , Wenchao Xu

Federated semi-supervised learning (FSSL), facilitates labeled clients and unlabeled clients jointly training a global model without sharing private data. Existing FSSL methods predominantly employ pseudo-labeling and consistency…

机器学习 · 计算机科学 2023-05-09 Qi Guo , Yong Qi , Saiyu Qi , Di Wu

Federated learning has become a popular method to learn from decentralized heterogeneous data. Federated semi-supervised learning (FSSL) emerges to train models from a small fraction of labeled data due to label scarcity on decentralized…

机器学习 · 计算机科学 2024-03-12 Sikai Bai , Shuaicheng Li , Weiming Zhuang , Jie Zhang , Song Guo , Kunlin Yang , Jun Hou , Shuai Zhang , Junyu Gao , Shuai Yi

Federated learning (FL) is a promising way to use the computing power of mobile devices while maintaining the privacy of users. Current work in FL, however, makes the unrealistic assumption that the users have ground-truth labels on their…

机器学习 · 计算机科学 2021-03-10 Zhengming Zhang , Yaoqing Yang , Zhewei Yao , Yujun Yan , Joseph E. Gonzalez , Michael W. Mahoney

Recent semi-supervised learning (SSL) methods typically include a filtering strategy to improve the quality of pseudo labels. However, these filtering strategies are usually hand-crafted and do not change as the model is updated, resulting…

机器学习 · 计算机科学 2023-09-19 Lei Zhu , Zhanghan Ke , Rynson Lau

Semi-supervised learning (SSL) has demonstrated high performance in image classification tasks by effectively utilizing both labeled and unlabeled data. However, existing SSL methods often suffer from poor calibration, with models yielding…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Mehrab Mustafy Rahman , Jayanth Mohan , Tiberiu Sosea , Cornelia Caragea

The integration of Federated Learning (FL) and Self-supervised Learning (SSL) offers a unique and synergetic combination to exploit the audio data for general-purpose audio understanding, without compromising user data privacy. However,…

声音 · 计算机科学 2024-02-07 Yasar Abbas Ur Rehman , Kin Wai Lau , Yuyang Xie , Lan Ma , Jiajun Shen

Semi-supervised learning (SSL) has attracted enormous attention due to its vast potential of mitigating the dependence on large labeled datasets. The latest methods (e.g., FixMatch) use a combination of consistency regularization and…

计算机视觉与模式识别 · 计算机科学 2023-03-21 Yuhao Chen , Xin Tan , Borui Zhao , Zhaowei Chen , Renjie Song , Jiajun Liang , Xuequan Lu

Recent years have witnessed a huge demand for artificial intelligence and machine learning applications in wireless edge networks to assist individuals with real-time services. Owing to the practical setting and privacy preservation of…

分布式、并行与集群计算 · 计算机科学 2023-06-08 Shuai Wang , Yanqing Xu , Yanyi Yuan , Tony Q. S. Quek

Federated Semi-Supervised Learning (FSSL) leverages both labeled and unlabeled data on clients to collaboratively train a model.In FSSL, the heterogeneous data can introduce prediction bias into the model, causing the model's prediction to…

机器学习 · 计算机科学 2024-05-31 Guogang Zhu , Xuefeng Liu , Xinghao Wu , Shaojie Tang , Chao Tang , Jianwei Niu , Hao Su