no code implementations • 5 Feb 2024 • Yuji Kawamata, Ryoki Motai, Yukihiko Okada, Akira Imakura, Tetsuya Sakurai
Second, our method enables collaborative estimation between different parties as well as multiple time points because the dimensionality-reduced intermediate representations can be accumulated.
no code implementations • 31 Aug 2022 • Akira Imakura, Tetsuya Sakurai, Yukihiko Okada, Tomoya Fujii, Teppei Sakamoto, Hiroyuki Abe
This study then proposes a non-readily identifiable DC analysis only sharing non-readily identifiable data for multiple medical datasets including personal information.
no code implementations • 26 Aug 2022 • Akira Imakura, Masateru Kihira, Yukihiko Okada, Tetsuya Sakurai
DC analysis centralizes individually constructed dimensionality-reduced intermediate representations and realizes integrated analysis via collaboration representations without sharing the original data.
no code implementations • 16 Aug 2022 • Yuji Kawamata, Ryoki Motai, Yukihiko Okada, Akira Imakura, Tetsuya Sakurai
Many existing methods for distributed data focus on resolving the lack of subjects (samples) and can only reduce random errors in estimating treatment effects.
no code implementations • 20 Jan 2022 • Kyosuke Yamamoto, Kakeru Murakami, Ryota Shin, Yukihiko Okada
Using the particle swarm optimization (PSO) method, the vehicle and bridge parameters and the road unevenness can be estimated by updating the parameters to minimize the objective function.
no code implementations • 13 Nov 2020 • Anna Bogdanova, Akie Nakai, Yukihiko Okada, Akira Imakura, Tetsuya Sakurai
Dimensionality Reduction is a commonly used element in a machine learning pipeline that helps to extract important features from high-dimensional data.
no code implementations • 9 Nov 2020 • Akira Imakura, Hiroaki Inaba, Yukihiko Okada, Tetsuya Sakurai
This paper proposes an interpretable non-model sharing collaborative data analysis method as one of the federated learning systems, which is an emerging technology to analyze distributed data.