Search Results for author: Junghye Lee

Found 6 papers, 2 papers with code

CAFO: Feature-Centric Explanation on Time Series Classification

1 code implementation3 Jun 2024 Jaeho Kim, Seok-Ju Hahn, Yoontae Hwang, Junghye Lee, Seulki Lee

This improvement in feature-wise ranking enhances our understanding of feature explainability in MTS.

Pursuing Overall Welfare in Federated Learning through Sequential Decision Making

no code implementations31 May 2024 Seok-Ju Hahn, Gi-Soo Kim, Junghye Lee

Therefore, the need to achieve the client-level fairness in federated system has been emphasized, which can be realized by modifying the static aggregation scheme for updating the global model to an adaptive one, in response to the local signals of the participating clients.

Decision Making Fairness

Connecting Low-Loss Subspace for Personalized Federated Learning

1 code implementation16 Sep 2021 Seok-Ju Hahn, Minwoo Jeong, Junghye Lee

Due to the curse of statistical heterogeneity across clients, adopting a personalized federated learning method has become an essential choice for the successful deployment of federated learning-based services.

 Ranked #1 on Personalized Federated Learning on MNIST (ACC@1-100Clients metric)

Ensemble Learning Personalized Federated Learning

GRAFFL: Gradient-free Federated Learning of a Bayesian Generative Model

no code implementations29 Aug 2020 Seok-Ju Hahn, Junghye Lee

Unlike conventional federated learning algorithms based on gradients, our framework does not require to disassemble a model (i. e., to linear components) or to perturb data (or encryption of data for aggregation) to preserve privacy.

Dimensionality Reduction Federated Learning

Privacy-preserving Federated Bayesian Learning of a Generative Model for Imbalanced Classification of Clinical Data

no code implementations18 Oct 2019 Seok-Ju Hahn, Junghye Lee

PhysioNet2012, a dataset for prediction of mortality of patients in an Intensive Care Unit (ICU), was used to verify the performance of the proposed method.

Data Integration Dimensionality Reduction +4

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