Hideyuki Imai

Profile Information

Affiliation: Associate Professor, Graduate School of Information Science and Technology Division of Computer Science, Hokkaido University

Degree: (BLANK)(Hokkaido University)
(BLANK)(Hokkaido University)

J-GLOBAL ID: 200901009464751373
researchmap Member ID: 1000000652

Research Interests

Research Areas

Informatics / Statistical science /

Papers

Kernelized Supervised Laplacian Eigenmap for Visualization and Classification of Multi-Label Data

Mariko Tai, Mineichi Kudo, Akira Tanaka, Hideyuki Imai, Keigo Kimura

Pattern Recognition, 123 108399-108399, Mar, 2022
Kernel-Based Regressors Equivalent to Stochastic Affine Estimators

Akira TANAKA, Masanari NAKAMURA, Hideyuki IMAI

IEICE Transactions on Information and Systems, E105.D(1) 116-122, Jan 1, 2022
Comparison of dimension reduction methods on fatty acids food source study.

Yifan Chen, Yusuke Miura, Toshihiro Sakurai, Zhen Chen, Rojeet Shrestha, Sota Kato, Emiko Okada, Shigekazu Ukawa, Takafumi Nakagawa, Koshi Nakamura …

Scientific reports, 11(1) 18748-18748, Sep 21, 2021
Principal Component Clustered Factors for Determining Study Performance in Computer Programming Class

Unhawa Ninrutsirikun, Hideyuki Imai, Bunthit Watanapa, Chonlameth Arpnikanondt

Wireless Personal Communications, 115(4) 2897-2916, Dec, 2020 Peer-reviewed
Shift Invariance Property of a Non-Negative Matrix Factorization

Hideyuki IMAI

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, E103.A(2) 580-581, Feb 1, 2020 Peer-reviewed
A Fast Cross-Validation Algorithm for Kernel Ridge Regression by Eigenvalue Decomposition

TANAKA Akira, IMAI Hideyuki

IEICE Transactions on Electronics, Communications and Computer Sciences, E102-A(9) 1317-1320, Sep, 2019 Peer-reviewed
Determination of Serum 25-Hydroxyvitamin D₃ by LC/MS/MS and Its Monthly Variation in Sapporo Indoor Workers

Hiroaki OKABE, Chikara SHIMIZU, Maiko YAMAMOTO, Rei KIKUCHI, Akiko MINAMI, Yi-Fan CHEN, Hideyuki IMAI, Masahiro MIZUTA, Zhen CHEN, Hitoshi CHIBA …

Analytical Sciences, 34(9) 1043-1047, Sep 10, 2018 Invited
An Online Self-Constructive Normalized Gaussian Network with Localized Forgetting

Jana Backhus, Ichigaku Takigawa, Hideyuki Imai, Mineichi Kudo, Masanori Sugimoto

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E100A(3) 865-876, Mar, 2017 Peer-reviewed
Theoretical Analyses on 2-Norm-Based Multiple Kernel Regressors

TANAKA Akira, IMAI Hideyuki

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 100(3) 877-887, 2017
Whisper to normal speech conversion using pitch estimated from spectrum.

Hideaki Konno, Mineichi Kudo, Hideyuki Imai, Masanori Sugimoto

Speech Commun., 83 10-20, 2016
Dense core model for cohesive subgraph discovery

Sadamori Koujaku, Ichigaku Takigawa, Mineichi Kudo, Hideyuki Imai

SOCIAL NETWORKS, 44 143-152, Jan, 2016 Peer-reviewed
Online EM for the Normalized Gaussian Network with Weight-Time-Dependent Updates

Jana Backhus, Ichigaku Takigawa, Hideyuki Imai, Mineichi Kudo, Masanori Sugimoto

NEURAL INFORMATION PROCESSING, ICONIP 2016, PT IV, 9950 538-546, 2016 Peer-reviewed
Reducing Redundancy with Unit Merging for Self-constructive Normalized Gaussian Networks

Jana Backhus, Ichigaku Takigawa, Hideyuki Imai, Mineichi Kudo, Masanori Sugimoto

ARTIFICIAL NEURAL NETWORKS AND MACHINE LEARNING - ICANN 2016, PT I, 9886 444-452, 2016 Peer-reviewed
Ensemble and Multiple Kernel Regressors: Which Is Better?

TANAKA Akira, TAKEBAYASHI Hirofumi, TAKIGAWA Ichigaku, IMAI Hideyuki, KUDO Mineichi

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Science, E98-A(11) 2315-2423, Nov, 2015 Peer-reviewed
Parametric Wiener Filter with Linear Constraints for Unknown Target Signals

Akira Tanaka, Hideyuki Imai

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E97A(1) 322-330, Jan, 2014 Peer-reviewed
Extended Analyses for an Optimal Kernel in a Class of Kernels with an Invariant Metric

Akira Tanaka, Ichigaku Takigawa, Hideyuki Imai, Mineichi Kudo

STRUCTURAL, SYNTACTIC, AND STATISTICAL PATTERN RECOGNITION, 7626 345-353, Nov, 2012 Peer-reviewed
Kernel-Induced Sampling Theorem

Tanaka Akira, Imai Hideyuki, Miyakoshi Masaaki

IEEE Transactions on Signal Processing, 58(7) 3569-3577, Jul, 2010 Peer-reviewed
Probably correct k-nearest neighbor search in high dimensions

Jun Toyama, Mineichi Kudo, Hideyuki Imai

PATTERN RECOGNITION, 43(4) 1361-1372, Apr, 2010 Peer-reviewed
Integrated kernels and their properties

Akira Tanaka, Hideyuki Imai, Mineichi Kudo, Masaaki Miyakoshi

PATTERN RECOGNITION, 40(11) 2930-2938, Nov, 2007
A Unified Framework of Subspace Identification for D.O.A. Estimation

TANAKA Akira, IMAI Hideyuki, MIYAKOSHI Masaaki

IEICE Trans. Fundamentals, A, E90-A(2) 419-428, Feb, 2007 Peer-reviewed

Misc.

線形制約の一般解によるパラメトリック部分射影フィルタの解釈とアフィン制約付き復元問題への応用

田中章, 今井英幸, 宮腰政明

電子情報通信学会論文誌, J89-A(8) 679-681, 2006
On formulations and solutions in linear image restoration problems

A Tanaka, H Imai, M Miyakoshi

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E87A(8) 2144-2151, Aug, 2004
Enhanced interval splitting and bounding for global optimization

RW Mwangi, H Imai, Y Sato

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E87A(8) 2120-2125, Aug, 2004
On formulations and solutions in linear image restoration problems

A Tanaka, H Imai, M Miyakoshi

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E87A(8) 2144-2151, Aug, 2004
On detecting interactions in Hayashi's second method of quantification

H Imai, D Izawa, K Yoshida, Y Sato

MODELING DECISIONS FOR ARTIFICIAL INTELLIGENCE, PROCEEDINGS, 3131 205-214, 2004
Upper limits for criteria for tests of dimensionality under elliptical populations

K Yoshida, H Imai, Y Sato

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 33(11-12) 2799-2816, 2004
A MINIMIZATION METHOD FOR COMPUTING PARAMETER BOUNDS IN AN INTERVAL VALUED LINEAR REGRESSION MODEL USING INTERVAL ANALYSIS(Theory and Applications)

Mwangi Ronald Waweru, Imai Hideyuki, Sato Yoshiharu

Journal of the Japanese Society of Computational Statistics, 17(1) 21-31, 2004
Digital Image Enlargement Based on Kernel Component Estimation

TANAKA A.

International Journal of Computing Anticipatory Systems, 15, 97-108 97-108, 2004
Parameter estimation and image restoration using the families of projection filters and parametric projection filters

H Imai, YY Yuan, Y Sato

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E85A(8) 1966-1969, Aug, 2002
Parameter estimation and image restoration using the families of projection filters and parametric projection filters

H Imai, YY Yuan, Y Sato

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E85A(8) 1966-1969, Aug, 2002
A formula for normalizing transformation of some statistics

N Taneichi, Y Sekiya, A Suzukawa, H Imai

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 31(2) 163-179, 2002
Properties of the solution set of a fuzzy relation equation form the viewpoint of attainability (共著)

Soft Computing, 6(2), 87-91, 2002
Properties of the solution set of a fuzzy relation equation form the viewpoint of attainability (共著)

Soft Computing, 6(2), 87-91, 2002
A Study on the Convergence Property in Genetic Algorithms by Markov Chain

ITO Takayuki, IMAI Hideyuki, MIYAKOSHI Masaaki

The Transactions of the Institute of Electronics,Information and Communication Engineers., 84(9) 1454-1456, Sep 1, 2001
D-3 Elliptical分布における多変量分散分析の次元検定について(多変量解析(5))(日本統計学会第69回大会記録)

吉田清隆, 今井英幸, 佐藤義治

日本統計学会誌, 31(3) 409-409, 2001
The period of powers of a fuzzy matrix

H Imai, Y Okahara, M Miyakoshi

FUZZY SETS AND SYSTEMS, 109(3) 405-408, Feb, 2000
The family of regularized parametric projection filters for digital image restoration

H Imai, A Tanaka, M Miyakoshi

IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, E82A(3) 527-534, Mar, 1999
A-3 非線形回帰モデルにおけるパラメータ変換について(日本統計学会第67回大会記録 : 統計一般理論(5)回帰分析)

桑原宏和, 今井英幸, 佐藤義治

日本統計学会誌, 29(3) 400-400, 1999
Unattainable solutions of a fuzzy relation equation

H Imai, K Kikuchi, M Miyakoshi

FUZZY SETS AND SYSTEMS, 99(2) 193-196, Oct, 1998
A method of identifying influential data in fuzzy clustering

H Imai, A Tanaka, M Miyakoshi

IEEE TRANSACTIONS ON FUZZY SYSTEMS, 6(1) 90-101, Feb, 1998

Books and Other Publications

On detecting interactions in Hayashi's second method of quantification. 'jointly worked'

Modeling Decisions for Artificial Intelligence, 2004
Algorthm based on alternative projections for a fuzzy measure identification problem 'jointly worked'

Information Fusion in Data Mining, Springer, 2003
Algorthm based on alternative projections for a fuzzy measure identification problem 'jointly worked'

Information Fusion in Data Mining, Springer, 2003

Professional Memberships

Research Projects

MARE: Recognition and Discovery Techniques for Giving Awarenesss

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2024
Graph-based Information Theoretic Semi-Supervised Learning

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Yoshida Tetsuya, IMAI Hideyuki
eXtFS:Feature Selection and Exploration in extremly large multi-label classification problems

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2015 - Mar, 2018

Kudo Mineichi
Transfer Learning based on the structure of Feature Space

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2016

YOSHIDA Tetsuya, IMAI Hideyuki
Classification of large scale qualitative data and visualization of their structure.

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2011 - 2013

IMAI Hideyuki, KUDO Mineichi, TANAKA Akira
Resampling method for singular statistical model

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2005 - 2008

IMAI Hideyuki, SATO Yoshiharu, KUDO Mineichi, TANEICHI Nonuhiro, MURAI Tetsuya, SAKURAI Hirohito
波面記述法による3次元空間のモデリング

科学研究費助成事業, 萌芽研究, 日本学術振興会, 2004 - 2005

坂本雄児, 今井英幸
Development of Classification Systems for Large-Scale Pattern Recognition Problems and Its Application

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2002 - 2005

KUDO Mineichi, MURAI Tetsyua, IMAI Hideyuki, TOYAMA Jun, TENMOTO Hiroshi, HAYASHI Hiroki
Construction of Regularized Parametric Projection Filters

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2001 - 2002

MIYAKOSHI Masaaki, IMAI Hideyuki, TANAKA Akira, KAWAGUCHI Mayuka
Studies of Possibilities and Limits of Statistical Prediction

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1999 - 2002

SATO Yoshiharu, IMAI Hideyuki, MURAI Tetsuya, MIZUTA Masahiro, TANIEICHI Nobuhiro, BABA Yasumasa
Nonlinear Data Analysis with Algebraic Curve Fitting

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B)., Japan Society for the Promotion of Science, 1997 - 2000

MIZUTA Masahiro, SUZUKAWA Akio, MURAI Tetuya, SATO Yoshiharu, IMAI Hideyuki, MINAMI Hiroyuki
Development of Visual Programming Environment for Exploratory Data Analysis

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, 1995 - 1997

SATO Yoshiharu, MINAMI Hiroyuki, IMAI Hideyuki, SHIOYA Hiroyuki, MURAI Tetsuya, MIZUTA Masahiro
射影追跡法を用いたデータ解析の安定性について

科学研究費助成事業, 奨励研究(A), 日本学術振興会, 1994 - 1994

今井英幸
非線形回帰分析
Nonlinear Regression Analysis

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Research Areas

Papers

Misc.

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