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Federated learning (FL) is an appealing concept to perform distributed training of Neural Networks (NN) while keeping data private. With the industrialization of the FL framework, we identify several problems hampering its successful…

机器学习 · 计算机科学 2020-11-13 Lixuan Yang , Cedric Beliard , Dario Rossi

Federated learning (FL) enables collaborative model training across organizations without sharing raw data, addressing crucial privacy concerns in healthcare natural language processing (NLP). However, training large language models (LLMs)…

机器学习 · 计算机科学 2025-04-16 Lihong Zhang , Yue Li

A common assumption in multimodal learning is the completeness of training data, i.e., full modalities are available in all training examples. Although there exists research endeavor in developing novel methods to tackle the incompleteness…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Mengmeng Ma , Jian Ren , Long Zhao , Sergey Tulyakov , Cathy Wu , Xi Peng

Federated learning (FL) enables decentralized model training without sharing local data. However, most existing methods assume identical model architectures across clients, limiting their applicability in heterogeneous real-world…

机器学习 · 计算机科学 2025-08-19 Beomseok Seo , Kichang Lee , JaeYeon Park

Multiple modalities can provide more valuable information than single one by describing the same contents in various ways. Hence, it is highly expected to learn effective joint representation by fusing the features of different modalities.…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Di Hu , Feiping Nie , Xuelong Li

Magnetic resonance imaging (MRI) image segmentation is crucial in diagnosing and treating many diseases, such as brain tumors. Existing MRI image segmentation methods mainly fall into a centralized multimodal paradigm, which is inapplicable…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Guyue Hu , Siyuan Song , Jingpeng Sun , Zhe Jin , Chenglong Li , Jin Tang

Federated learning aims to tackle the ``isolated data island" problem, where it trains a collective model from physically isolated clients while safeguarding the privacy of users' data. However, supervised federated learning necessitates…

人工智能 · 计算机科学 2024-04-18 Hao Yan , Yuhong Guo

Generative models trained on multi-institutional datasets can provide an enriched understanding through diverse data distributions. However, training the models on medical images is often challenging due to hospitals' reluctance to share…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Minjun Kim , Minjee Kim , Jinhoon Jeong

Utilizing the sensor characteristics of the audio, visible camera, and thermal camera, the robustness of person recognition can be enhanced. Existing multimodal person recognition frameworks are primarily formulated assuming that multimodal…

多媒体 · 计算机科学 2022-10-25 Vijay John , Yasutomo Kawanishi

Federated learning involves training statistical models over remote devices or siloed data centers, such as mobile phones or hospitals, while keeping data localized. Training in heterogeneous and potentially massive networks introduces…

机器学习 · 计算机科学 2020-06-24 Tian Li , Anit Kumar Sahu , Ameet Talwalkar , Virginia Smith

Multimodal data, where different types of data are collected from the same subjects, are fast emerging in a large variety of scientific applications. Factor analysis is commonly used in integrative analysis of multimodal data, and is…

统计理论 · 数学 2021-03-31 Quefeng Li , Lexin Li

Data privacy constraints pose significant challenges for large-scale neuroimaging analysis, especially in multi-site functional magnetic resonance imaging (fMRI) studies, where site-specific heterogeneity leads to non-independent and…

机器学习 · 计算机科学 2025-09-26 Yipu Zhang , Chengshuo Zhang , Ziyu Zhou , Gang Qu , Hao Zheng , Yuping Wang , Hui Shen , Hongwen Deng

To tackle the scarcity and privacy issues associated with domain-specific datasets, the integration of federated learning in conjunction with fine-tuning has emerged as a practical solution. However, our findings reveal that federated…

机器学习 · 计算机科学 2024-01-26 Mengyao Du , Miao Zhang , Yuwen Pu , Kai Xu , Shouling Ji , Quanjun Yin

Federated learning learns from scattered data by fusing collaborative models from local nodes. However, due to chaotic information distribution, the model fusion may suffer from structural misalignment with regard to unmatched parameters.…

机器学习 · 计算机科学 2022-03-22 Fuxun Yu , Weishan Zhang , Zhuwei Qin , Zirui Xu , Di Wang , Chenchen Liu , Zhi Tian , Xiang Chen

Federated Learning is a novel framework that allows multiple devices or institutions to train a machine learning model collaboratively while preserving their data private. This decentralized approach is prone to suffer the consequences of…

机器学习 · 计算机科学 2021-11-29 Marcos F. Criado , Fernando E. Casado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

Deep learning models for semantic segmentation of images require large amounts of data. In the medical imaging domain, acquiring sufficient data is a significant challenge. Labeling medical image data requires expert knowledge.…

机器学习 · 计算机科学 2018-10-24 Micah J Sheller , G Anthony Reina , Brandon Edwards , Jason Martin , Spyridon Bakas

Intelligent fault diagnosis is essential to safe operation of machinery. However, due to scarce fault samples and data heterogeneity in field machinery, deep learning based diagnosis methods are prone to over-fitting with poor…

机器学习 · 计算机科学 2022-11-18 Sheng Guo , Zengxiang Li , Hui Liu , Shubao Zhao , Cheng Hao Jin

A key challenge in learning from multimodal biological data is missing modalities, where data from one or more modalities are absent for some patients. Existing approaches either exclude patients with missing modalities, impute missing…

机器学习 · 计算机科学 2026-05-19 Sina Tabakhi , Chen , Chen , Haiping Lu

Unified multimodal models (UMMs) are emerging as strong foundation models that can do both generation and understanding tasks in a single architecture. However, they are typically trained in centralized settings where all training and…

机器学习 · 计算机科学 2026-01-23 Zhaolong Su , Leheng Zhao , Xiaoying Wu , Ziyue Xu , Jindong Wang

Most existing federated learning (FL) methods for medical image analysis only considered intramodal heterogeneity, limiting their applicability to multimodal imaging applications. In practice, some FL participants may possess only a subset…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Hong Liu , Dong Wei , Qian Dai , Xian Wu , Yefeng Zheng , Liansheng Wang