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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| CQ, CS (Joint) |
2024-05-17 14:10 |
Aichi | (Primary: On-site, Secondary: Online) |
Study on Indoor Radio Tomographic Imaging using LOS Component Estimation and TOA-based Localization Shino Shiraki (Tokyo Metropolitan Univ.), Yoshiaki Nishikawa (Secure System Platform Research Laboratories, NEC Corporation), Takahiro Matsuda (Tokyo Metropolitan Univ.), Eiji Takahashi, Takeo Onishi (Secure System Platform Research Laboratories, NEC Corporation), Toshiki Takeuchi (Advanced Network Research Laboratories, NEC Corporation) |
(To be available after the conference date) [more] | |
| IE, MVE, CQ, IMQ (Joint) [detail] |
2024-03-14 15:20 |
Okinawa | Okinawa Sangyo Shien Center (Primary: On-site, Secondary: Online) |
Efficient regularizer for 4D light field image denoising based on graph-learning Rino Yoshida (TUS), Kazuya Kodama (NII), Gene Cheung (York Univ.), Takayuki Hamamoto (TUS)  IMQ2023-56 IE2023-111 MVE2023-85 |
Advanced 3D visual media as promising technology often require 4D light fields composed of dense multi-view images for a... [more] | IMQ2023-56 IE2023-111 MVE2023-85 pp.235-240 |
| IN, IA (Joint) |
2023-12-21 12:30 |
Hiroshima | Satellite Campus Hiroshima | [Short Paper]
A Study on the Importance of Spectral Representation of Subgraphs with Different Sampling Strategies Koki Kato, Ryo Nakamura (Fukuoka Univ.) IA2023-43 |
Spectral graph theory has been actively studied to analyze topological property of networks using eigenvalues and eigenv... [more] | IA2023-43 pp.1-4 |
| NLP, CAS | 2023-10-07 13:00 |
Gifu | Work plaza 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 |
| CQ | 2023-07-12 14:00 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Study on the Effectiveness of Matrix Approximation without Rank Constraint Eriko Segawa, Yusuke Sakumto (Kwansei Gakuin Univ.) CQ2023-10 |
The proper selection of graph spectrum is crucial for constructing efficient graph algorithms. We have discussed a matri... [more] | CQ2023-10 pp.12-17 |
| CQ | 2023-07-12 14:25 |
Hokkaido | (Primary: On-site, Secondary: Online) |
Statistical Evaluation of WSD-based Network Metrics for Brain Connectome Analysis Mikihiro Yasuda, Taiki Sasagawa, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2023-11 |
We have proposed network metrics based on the weighted spectral distribution (WSD) to analyze the connectome observed at... [more] | CQ2023-11 pp.18-23 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2023-03-15 11:00 |
Okinawa | Okinawaken Seinenkaikan (Naha-shi) (Primary: On-site, Secondary: Online) |
Evaluating the Efficiency of Anomaly Detection Methods for Temporal Networks Using the Graph Spectrum Masataka Nagao, Eriko Segawa, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2022-83 |
LAD (Laplacian Anomaly Detection) is a method for detecting anomalies in dynamic networks using the eigenvalues (the gra... [more] | CQ2022-83 pp.19-24 |
| IMQ, IE, MVE, CQ (Joint) [detail] |
2023-03-15 11:25 |
Okinawa | Okinawaken Seinenkaikan (Naha-shi) (Primary: On-site, Secondary: Online) |
Study on the Importance of Each Eigenvalue and Eigenvector for Laplacian Matrix Using Matrix Approximation Eriko Segawa, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2022-84 |
It is important for developing sophisticated graph algorithms to understand deeply the characteristics of the typical ma... [more] | CQ2022-84 pp.25-30 |
| SP, IPSJ-SLP, EA, SIP [detail] | 2023-03-01 16:10 |
Okinawa | (Primary: On-site, Secondary: Online) |
On Design of Real Filters For Directed Graph Signals Shogo Muramatsu, Hotaka Kitamura, Hiroyashu Yasuda (Niigta Univ.), Yuichi Tanaka (Osaka Univ.) EA2022-124 SIP2022-168 SP2022-88 |
This study investigates a real-valued filter realization for directed graph signals. The authors proposed a para-graph F... [more] | EA2022-124 SIP2022-168 SP2022-88 pp.282-287 |
| IN, IA (Joint) |
2022-12-13 10:15 |
Hiroshima | Higashi-Senda campus, Hiroshima Univ. (Primary: On-site, Secondary: Online) |
[Short Paper]
Investigation of a Matrix Approximation Method for Analyzing the Information Amount Contained in the Specified Eigenvalues and Eigenvectors Eriko Segawa, Yusuke Sakumoto (Kwansei Gakuin Univ) IA2022-56 |
In general, the large eigenvalues and their eigenvectors of a matrix representing the network structure are important to... [more] | IA2022-56 pp.47-49 |
| CQ | 2022-07-22 11:20 |
Osaka | Ritsumeikan Ibaraki Future Plaza Conference Hall (Primary: On-site, Secondary: Online) |
[Invited Talk]
Spectral Graph Theory and Its Application Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2022-25 |
The spectral graph theory provides an algebraical approach to investigating the characteristics of networks using the ei... [more] | CQ2022-25 p.43 |
| CQ, CS (Joint) |
2022-05-12 16:10 |
Fukui | Fukui (Fuku Pref.) (Primary: On-site, Secondary: Online) |
Why Do Small Eigenvalues of Laplacian Matrix Improve Anomaly Detection of Temporal Networks? Eriko Segawa, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2022-9 |
Many real networks are temporal networks in which the nodes and their relationships change over time, and technology to ... [more] | CQ2022-9 pp.44-49 |
| CQ, CBE (Joint) |
2022-01-28 12:10 |
Ishikawa | Kanazawa（Ishikawa Pref.） (Primary: On-site, Secondary: Online) |
A Study on Detection of Subjects with Unique Brain Structures Using Eigenvalues of Laplacian Matrices Ohisi Yuki, Taniguchi Toyoaki, Segawa Eriko, Sakumoto Yusuke (Kwansei Gakuin Univ) CQ2021-93 |
In order to understand the complex behavior of brains, many works have analyzed macroscale connectomes between the aggre... [more] | CQ2021-93 pp.94-99 |
| CQ, MIKA (Joint) |
2021-09-09 10:55 |
Online | Online | Proposal of an Improving Method for the Laplacian Anomaly Detection of Temporal Networks Eriko Segawa, Toyoaki Taniguchi, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2021-40 |
Many networks in the real world are dynamic and temporal wherein relationships among nodes change with time. Technologie... [more] | CQ2021-40 pp.17-22 |
| EA, US, SP, SIP, IPSJ-SLP [detail] | 2021-03-03 10:00 |
Online | Online | A Constrained Alternating Minimization Approach to End-to-End Graph Signal Denoising Eisuke Yamagata, Shunsuke Ono (Titech) EA2020-59 SIP2020-90 SP2020-24 |
This paper proposes a denoising method for smooth graph signals observed on a graph of unknown topology. The proposed me... [more] | EA2020-59 SIP2020-90 SP2020-24 pp.1-4 |
| CQ, CBE (Joint) |
2021-01-20 13:05 |
Online | Online | A Study of a Method to Analyze Brain Network Using WSD(Weighted Spectral Distribution) Yuki Oishi, Toyoaki Taniguchi, Yusuke Sakumoto (Kwansei Gakuin Univ) CQ2020-66 |
In order to understand the complex behavior of brains, many works have analyzed connectomes, which are the connection in... [more] | CQ2020-66 pp.32-37 |
| CQ, CBE (Joint) |
2021-01-21 16:00 |
Online | Online | [Poster Presentation]
Study on Universality of Eigenvalue Distribution for Normalized Laplacian Matrix of Weighted Network with Triads Toyoaki Taniguchi, Sakumoto Yusuke (Kwansei Gakuin Univ) CQ2020-90 |
In order to realize social network analysis using spectral graph theory, we aim to clarify the universality of random ma... [more] | CQ2020-90 pp.102-103 |
| CQ, CBE (Joint) |
2020-01-16 10:50 |
Tokyo | NHK Science & Technology Research Laboratories | A Study on the Effect of Triads on the Wigner's Semicircle Law of Weighted Random Networks Toyoaki Taniguchi, Yusuke Sakumoto (Kwansei Gakuin Univ.) CQ2019-112 |
Spectral graph theory is widely used to analyze network characteristics. In spectral graph theory, the network structur... [more] | CQ2019-112 pp.29-34 |
| COMP | 2019-12-13 13:00 |
Gunma | Ikaho Seminar House, Gunma University | [Invited Talk]
Spectral Sparsification of Hypergraphs Tasuku Soma (The Univ. of Tokyo), Yuichi Yoshida (NII) COMP2019-35 |
For an undirected/directed hypergraph G = (V, E), its Laplacian LG : ℝv → ℝv is defined such that its “quadratic form” x... [more] | COMP2019-35 p.45 |
| IA | 2019-11-14 15:30 |
Tokyo | Kwansei Gakuin University, Tokyo Marunouchi Campus (Sapia Tower) | [Poster Presentation]
Investigation on the First Meeting Time of Random Walk Agents with Heterogeneous Transition Probability for Optimal Rendezvous Search Fumiya Toyoda, Yusuke Sakumoto (Kwansei Gakuin Univ.) IA2019-31 |
In an unstructured network~(e.g., unstructured P2P network, social network, and MANET), there is a restriction that eac... [more] |
IA2019-31 pp.43-46 |
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