Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
NC, MBE (Joint) |
2025-03-06 16:20 |
Tokyo |
(Tokyo, Online) (Primary: On-site, Secondary: Online) |
Global Convergence Analysis of Distributed Lasso Algorithm based on Alternating Direction Method of Multipliers Naoki Toda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) |
(To be available after the conference date) [more] |
|
NC, MBE (Joint) |
2025-03-06 16:45 |
Tokyo |
(Tokyo, Online) (Primary: On-site, Secondary: Online) |
Distributed Sequential Minimal Optimization Algorithm for Support Vector Machines Zhifu Xu, Ryota Yamada, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) |
(To be available after the conference date) [more] |
|
NLP, CAS |
2024-10-17 10:40 |
Tottori |
Information Center, Tottori University (Tottori) |
Distributed Sequential Minimal Optimization Algorithm for Linear Support Vector Machines Zhifu Xu, Kim Saidi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) CAS2024-30 NLP2024-60 |
In this report, we propose a distributed Sequential Minimal Optimization (SMO) algorithm for multiple agents communicati... [more] |
CAS2024-30 NLP2024-60 pp.16-20 |
NLP, CAS |
2024-10-18 14:50 |
Tottori |
Information Center, Tottori University (Tottori) |
An Extension of Multiplicative Update Rule for Nonnegative Matrix Factorization Yuma Okazaki, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) CAS2024-57 NLP2024-87 |
Nonnegative Matrix Factorization (NMF) is the process of decomposing a given nonnegative matrix into two nonnegative fac... [more] |
CAS2024-57 NLP2024-87 pp.150-155 |
NLP |
2024-05-09 15:30 |
Kagawa |
Kagawa Prefecture Social Welfare Center (Kagawa) |
An Euclidean Steiner Tree Problem Solver based on Genetic Algorithm and Delaunay Triangulation Liping Zhang, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2024-6 |
In this report, we propose an approach based on the genetic algorithm and the Delaunay triangulation for solving the Euc... [more] |
NLP2024-6 pp.25-30 |
NLP |
2024-05-10 10:30 |
Kagawa |
Kagawa Prefecture Social Welfare Center (Kagawa) |
Federated Learning Algorithms based on Decentralized Spanning Tree Generation and Step-by-Step Consensus Yuki Mori, Tatsuya Kayatani, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2024-11 |
A large amount of high-quality data is necessary to improve the learning accuracy of neural networks. However, there are... [more] |
NLP2024-11 pp.52-57 |
NLP, MSS |
2024-03-14 10:00 |
Misc. |
Kikai-Shinko-Kaikan Bldg. (Misc.) |
Extraction of Traffic Accident High-Risk Areas Using Deep Learning of Map Images and Grad-CAM Kaito Arase, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2023-86 NLP2023-138 |
An attempt has been made to predict the traffic accident risk of each map tile image at zoom level 17 using a Convolutio... [more] |
MSS2023-86 NLP2023-138 pp.71-76 |
NLP, MSS |
2024-03-14 11:15 |
Misc. |
Kikai-Shinko-Kaikan Bldg. (Misc.) |
Parallelization of a Search Algorithm for Regular Graphs with Minimum Average Shortest Path Length Taku Hirayama, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2023-89 NLP2023-141 |
Computer networks in data centers are modeled as regular graphs, and the average shortest path length (ASPL) of such a g... [more] |
MSS2023-89 NLP2023-141 pp.87-92 |
NLP, CAS |
2023-10-07 13:00 |
Gifu |
Work plaza Gifu (Gifu) |
An algorithm for finding regular graphs that maximize algebraic connectivity under a specified number of vertices and degree Masashi Kurahashi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) CAS2023-54 NLP2023-53 |
Algebraic connectivity is a measure of network robustness, and defined by the second smallest eigenvalue of the Laplacia... [more] |
CAS2023-54 NLP2023-53 pp.106-110 |
NLP, CAS |
2023-10-07 13:20 |
Gifu |
Work plaza Gifu (Gifu) |
Proposal and evaluation of a distributed lasso algorithm based on alternating direction multiplier method Naoki Toda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) CAS2023-55 NLP2023-54 |
Lasso is widely known as a sparse estimation method for regression coefficients in linear regression models, and the Alt... [more] |
CAS2023-55 NLP2023-54 pp.111-116 |
PRMU, IPSJ-CVIM |
2023-05-19 10:05 |
Aichi |
(Aichi, Online) (Primary: On-site, Secondary: Online) |
Differentiable Ray Tracing for Estimating Object Shape, Texture, and Light Source Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) PRMU2023-10 |
In this report, an inverse problem of raytracing-based image synthesis is discussed. The proposed method estimates a se... [more] |
PRMU2023-10 pp.51-56 |
NLP, MSS |
2023-03-17 14:30 |
Nagasaki |
(Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Global Convergence Analysis of Distributed HALS Algorithm for Nonnegative Matrix Factorization Keiju Hayashi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2022-104 NLP2022-149 |
As a fast computational method for Nonnegative Matrix Factorization (NMF),
the Hierarchical Alternating Least Squares ... [more] |
MSS2022-104 NLP2022-149 pp.198-203 |
NLP, MSS |
2023-03-17 14:50 |
Nagasaki |
(Nagasaki, Online) (Primary: On-site, Secondary: Online) |
Reformulation of Optimization Problem in Randomized NMF and Proposal of A Novel Iterative Update Algorithm Takao Masuda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) MSS2022-105 NLP2022-150 |
As an approach to efficiently perform large-scale Nonnegative Matrix Factorization (NMF), a randomized NMF was recently ... [more] |
MSS2022-105 NLP2022-150 pp.204-209 |
CCS, NLP |
2022-06-09 17:15 |
Osaka |
(Osaka, Online) (Primary: On-site, Secondary: Online) |
Visualization of decisions from CNN models trained on OpenStreetMap images labeled based on traffic accident data Kaito Arase, Zhijian Wu, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2022-10 CCS2022-10 |
The authors have recently conducted training of Convolutional Neural Networks (CNNs) on OpenStreetMap images each of whi... [more] |
NLP2022-10 CCS2022-10 pp.46-51 |
CCS, NLP |
2022-06-09 17:40 |
Osaka |
(Osaka, Online) (Primary: On-site, Secondary: Online) |
Speeding up an algorithm for searching generalized Moore graphs Taku Hirayama, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2022-11 CCS2022-11 |
Computer networks in data centers are modeled as undirected regular graphs, and the average shortest path length (ASPL) ... [more] |
NLP2022-11 CCS2022-11 pp.52-57 |
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] |
2021-06-28 13:50 |
Online |
Online (Online) |
Simplification of Average Consensus Algorithm in Distributed HALS Algorithm for NMF Keiju Hayashi, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NC2021-3 IBISML2021-3 |
Nonnegative Matrix Factorization (NMF) is the process of approximating a given nonnegative matrix by the product of two ... [more] |
NC2021-3 IBISML2021-3 pp.15-22 |
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] |
2021-06-28 14:15 |
Online |
Online (Online) |
Modification of Optimization Problem in Randomized NMF and Design of Optimization Method based on HALS Algorithm Takao Masuda, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NC2021-4 IBISML2021-4 |
Nonnegative matrix factorization (NMF) is the process of decomposing a given nonnegative matrix into two nonnegative fac... [more] |
NC2021-4 IBISML2021-4 pp.23-30 |
NLP, MSS (Joint) |
2021-03-15 13:00 |
Online |
Online (Online) |
Proposal of Novel Distributed Learning Algorithms for Multi-Neural Networks Kazuaki Harada, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2020-58 |
A method for multiple neural networks (NNs) with the same structure to learn multiple sets of training data collected at... [more] |
NLP2020-58 pp.17-22 |
NLP, MSS (Joint) |
2021-03-15 13:25 |
Online |
Online (Online) |
Graph Structure Optimization Using Genetic Algorithms Hiroki Tajiri, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) NLP2020-59 |
There are many large and complex networks in the real world. These networks are modeled as graphs and analyzed using a v... [more] |
NLP2020-59 pp.23-28 |
MSS, CAS, IPSJ-AL [detail] |
2020-11-25 16:35 |
Online |
Online (Online) |
Generalization of Pseudo-Decentralized Continuous-Time Algorithms for Estimation of Algebraic Connectivity Katsuki Shimada, Tsuyoshi Migita, Norikazu Takahashi (Okayama Univ.) CAS2020-23 MSS2020-15 |
Development of decentralized algorithms for multiple agents in a network to estimate its connectivity is a fundamental a... [more] |
CAS2020-23 MSS2020-15 pp.22-27 |