Ryosuke Kubota

Profile Information

Affiliation: Professor, Department of Intelligent System Engineering, National College of Technology, Ube College

Degree: Doctor of Information Engineering(Kyushu Institute of Technology)

Researcher number: 50432745
J-GLOBAL ID: 200901012044818791
researchmap Member ID: 5000033891

Research Interests

Research Areas

Informatics / Soft computing /

Research History

2006 - 2008

Ministry of Education,Culture,Sports,Science and Technology
2006 - 2008

Research fellow of Knowledge Cluster Initiative granted by MEXT at Yamaguchi University, Japan.

Education

Awards

Papers

A Study on Parameter Optimization Based on Fireworks Algorithm for SLAM Algorithm

120-121, Nov, 2023 Peer-reviewedLast authorCorresponding author
A Color Image Quantization Method Considering Chromatic Visual Impression

Yukiya Fukuda, Ryosuke Kubota, Hakaru Tamukoh

2021 20th International Symposium on Communications and Information Technologies (ISCIT), Oct 19, 2021
Development of Human Pose Recognition System by Using Raspberry Pi and PoseNet Model

Kosei Yamao, Ryosuke Kubota

41-44, Oct, 2021 Peer-reviewedLast authorCorresponding author
A Color Quantization Method Preserving Infrequent Salient Colors and Its Implementation on Mobile Devices

Yukiya Fukuda, Hideaki Misawa, Hakaru Tamukoh, Ryosuke Kubota, Byungki Cha, Takashi Aso

Jan, 2019
Modified hierarchical k-nearest neighbor method with application to land-cover classification

Hayashi T, Tamukoh H, Kubota R

Proceedings of SPIE - The International Society for Optical Engineering, 11049, Jan 1, 2019 Peer-reviewed
A hardware implementation of Craik-O'Brien effect-based contrast improvement for dichromats

Ono T, Kubota R, Suetake N, Tamukoh H

Proceedings of SPIE - The International Society for Optical Engineering, 11050, Jan 1, 2019 Peer-reviewed
Solution to the Packing Problem of Polygons Using Genetic Algorithm

Kenta Fujisawa, Shudai Ishikawa, Ryosuke Kubota

The Twenty-Third International Symposium on Artificial Life and Robotics 2018, 202-205, Jan, 2018 Peer-reviewedLast author
Color Image Quantization Based on Adaptive K-means Clustering

久保田良輔

Proceedings of the International Workshop on Smart Info-Media Systems in Asia (SISA2016), pp. 142-146 （ポスター発表）, Sep, 2016 Peer-reviewed
A Switching Median Filter with Multi-thresholds by Using Variability-based Real-coded Genetic Algorithm

久保田良輔

Proceedings of the International Workshop on Smart Info-Media Systems in Asia (SISA2016), pp. 147-152 （ポスター発表）, Sep, 2016 Peer-reviewed
A Modification of Weighted k-Nearest Neighbor and Its Application to Land-Cover Classification with Remote-Sensing Image

久保田良輔

Proceedings of The 2016 Joint 8th International Conference on Soft Computing and Intelligent Systems and 2016 17th International Symposium on Advanced Intelligent Systems (SCIS&ISIS2016), pp. 976-978 （ポスター発表）, Aug, 2016 Peer-reviewed
Multiple k-Nearest Neighbor Classifier and Its Application to Tissue Characterization of Coronary Plaque

Eiji Uchino, Ryosuke Kubota, Takanori Koga, Hideaki Misawa, Noriaki Suetake

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS, E99D(7) 1920-1927, Jul, 2016 Peer-reviewed
A Color Quantization Based on Vector Error Diffusion and Particle Swarm Optimization Considering Human Visibility

Ryosuke Kubota, Hakaru Tamukoh, Hideaki Kawano, Noriaki Suetake, Byungki Cha, Takashi Aso

IMAGE AND VIDEO TECHNOLOGY, PSIVT 2015, 9431 332-343, 2016
Effective hierarchical optimization by a hierarchical multi-space competitive genetic algorithm for the flexible job-shop scheduling problem

Shudai Ishikawa, Ryosuke Kubota, Keiichi Horio

Expert Systems with Applications, 42(24) 9434-9440, Dec 30, 2015 Peer-reviewed
Effective Hierarchical Optimization using Integration of Solution Spaces and its Application to multiple Vehicle Routing Problem

S. Ishikawa, K. Horio, R. Kubota

2015 INTERNATIONAL SYMPOSIUM ON INTELLIGENT SIGNAL PROCESSING AND COMMUNICATION SYSTEMS (ISPACS), 406-411, 2015 Peer-reviewed
A Modified Genetic Algorithm for Nurse Scheduling Problem with Considering Individual Preference

久保田良輔

Proceedings of the International Symposium on Technology for Sustainability (ISTS2014), in CD-ROM (4 pages), Nov, 2014 Peer-reviewed
A Particle Swarm Optimization Using Combined Information on Personal Best Positions

久保田良輔

Innovative Computing, Information and Control Express Letters (ICIC-EL), Vol.8, No.8, pp.2069-2074, Aug, 2014 Peer-reviewed
A Modified Real-Coded Genetic Algorithm Considering with Fitness-based Variability

久保田良輔

International Journal of Innovative Computing, Information and Control (IJICIC), Vol.10, No.4, pp. 1509-1518, Aug, 2014 Peer-reviewed
Switching Median Filter with Signal Dependent Thresholds Designed by using Genetic Algorithm

Ryosuke Kubota, Keisuke Onaga, Noriaki Suetake

PROCEEDINGS OF THE 2014 9TH INTERNATIONAL CONFERENCE ON COMPUTER VISION THEORY AND APPLICATIONS (VISAPP), VOL 1, 1 222-227, 2014 Peer-reviewed
Hierarchical Optimization Using Hierarchical Multi-competitive Genetic Algorithm and its Application to Multiple Vehicle Routing Problem

Shudai Ishikawa, Ryosuke Kubota, Keiichi Horio

2014 INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING AND MULTIMEDIA APPLICATIONS (SIGMAP), 269-274, 2014 Peer-reviewed
Fuzzy-rule-embedded Reduction Image Construction Method for Image Enlargement with High Magnification

Hakaru Tamukoh, Noriaki Suetake, Hideaki Kawano, Ryosuke Kubota, Byungki Cha, Takashi Aso

PROCEEDINGS OF THE 2014 9TH INTERNATIONAL CONFERENCE ON COMPUTER VISION THEORY AND APPLICATIONS (VISAPP), VOL 1, 1 228-233, 2014 Peer-reviewed

Misc.

ランダム値インパルス性雑音除去のために雑音検出を行う畳み込みニューラルネットワークの提案

福田有輝也, 久保田良輔, 田向権

電子情報通信学会技術研究報告, 120(269) 35-40, Dec, 2020
画像の拡大における少数色の保存性を考慮した色量子化アルゴリズム

福田有輝也, 三澤秀明, 田向権, 久保田良輔, 車炳キ, 麻生隆史

電子情報通信学会技術研究報告, Mar, 2019
畳み込みニューラルネットワークに基づくスイッチ型雑音除去フィルタとそのランダム値インパルス性雑音への適用

福田有輝也, 久保田良輔

電子情報通信学会技術研究報告, 118(346) 41-46, Dec, 2018 Last authorCorresponding author
二色覚のコントラスト改善を目的としたクレイク・オブライエン効果のハードウェア実装に関する研究

小野智寛, 久保田良輔, 末竹規哲, 田向権

電子情報通信学会技術研究報告, 118(264) 95-100, Oct, 2018
OpenPoseを用いた仮想着想システムにおける衣類特徴の検証

藤山菜央, 石川秀大, 久保田良輔

電子情報通信学会SIS研究会, Mar, 2018
Hierarchization of Genetic Algorithm Adopting Variability of Individuals and Its Application to Design of Switching Median Filter

石本真也, 堀尾恵一, 久保田良輔

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 117(70) 7-12, Jun 1, 2017
Application of Hierarchical Genetic Algorithm to Heterogeneous Fleet Vehicle Routing Problem and Modification of Genetic Operator

飯田隆太郎, 石川秀大, 久保田良輔, 堀尾恵一

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 116(482) 91-94, Mar 2, 2017
Developing Ube College's System to Support Students with Developmental Disabilities

浅原京子, 内堀晃彦, 江原史朗, 久保田良輔

宇部工業高等専門学校研究報告, 63 23-26, Mar, 2017
Application of Hierarchical Genetic Algorithm to Heterogeneous Fleet Vehicle Routing Problem and Modification of Genetic Operator

飯田隆太郎, 石川秀大, 久保田良輔, 堀尾恵一

電子情報通信学会技術研究報告, 116(482(SIS2016 42-60)) 91‐94, Feb 23, 2017
K-means Clustering-based Color Image Quantization with Preserving Minor Colors

鈴木健之助, 三澤秀明, 久保田良輔

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 116(344) 35-39, Dec 8, 2016
K-means Clustering-based Color Image Quantization with Preserving Minor Colors

鈴木健之助, 三澤秀明, 久保田良輔

電子情報通信学会技術研究報告, 116(344(SIS2016 28-41)) 35‐39, Dec 1, 2016
A Designing Method of Switching Median Filter Based on Genetic Algorithm with Variability of Individual

石本真也, 堀尾恵一, 久保田良輔

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 115(505) 93-98, Mar 10, 2016
A Designing Method of Switching Median Filter Based on Genetic Algorithm with Variability of Individual

石本真也, 堀尾恵一, 久保田良輔

電子情報通信学会技術研究報告, 115(505(SIS2015 48-72)) 93‐98, Mar 3, 2016
A Study on Individual Preference Preserving Nurse Scheduling Based on Genetic Algorithm Using Levenshtein Distance

KONDO Masanari, KUBOTA Ryosuke

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 114(496) 21-26, Mar 5, 2015
A Particle Swarm Optimization Considering Conflated Component of Personal and Global Best Positions

SUEYASU Keita, KUBOTA Ryosuke

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 114(496) 17-20, Mar 5, 2015
A Study on Individual Preference Preserving Nurse Scheduling Based on Genetic Algorithm Using Levenshtein Distance

近藤将成, 久保田良輔

電子情報通信学会技術研究報告, 114(496(SIS2014 91-113)) 21-26, Feb 26, 2015
A Particle Swarm Optimization Considering Conflated Component of Personal and Global Best Positions

末安慶大, 久保田良輔

電子情報通信学会技術研究報告, 114(496(SIS2014 91-113)) 17-20, Feb 26, 2015
A study on Genetic Algorithm-based Nurse Scheduling Considering Individual Preference

KONDO Masanari, KUBOTA Ryosuke

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 114(370) 31-36, Dec 18, 2014
A study on Genetic Algorithm-based Nurse Scheduling Considering Individual Preference

近藤将成, 久保田良輔

電子情報通信学会技術研究報告, 114(370(SIS2014 67-90)) 31-36, Dec 11, 2014
An Image Sharpening System Considering User's Liking Based on Interactive Genetic Algorithm

UEDA Yoshiaki, KURAMOTO Yohei, KUBOTA Ryosuke, SUETAKE Noriaki, UCHINO Eiji

電子情報通信学会技術研究報告 : 信学技報, 112(348) 13-18, Dec 13, 2012

Books and Other Publications

A Color Quantization Based on Vector Error Diffusion and Particle Swarm Optimization Considering Human Visibility （査読付）

久保田良輔 (Role: Joint author)

Image and Video Technology (Lecture Notes in Computer Science, Vol. 9431), pp.332-343, Springer-Verlag社出版, 2016
Plaque Boundary Extraction in Intravascular Ultrasound Image in Conjunction with Image Separability and Fuzzy Inference （査読付）

久保田良輔 (Role: Joint author)

Trends in Communication Technology and Engineering Science (Lecture Notes in Electrical Engineering, Vol.33), pp.139-150, Springer-Verlag社出版, Apr, 2009
Lecture Notes in Electrical Engineering (jointly worked), Sio-Iong Ao, Xu Huang and Ping-kong Alexander Wai (Eds.), pp.139-150

Springer-Verlag, 2009
Lecture Notes in Electrical Engineering (jointly worked), Sio-Iong Ao, Xu Huang and Ping-kong Alexander Wai (Eds.), pp.139-150

Springer-Verlag, 2009
Genetic Algorithm with Modified Reproduction Strategy Based on Self-Organizing Map and Usable Schema （査読付）

久保田良輔 (Role: Joint author)

International Congress Series 1291: Brain-Inspired IT II, pp.169-172, Elsevier Science社出版, Jun, 2006
International Congress Series 1291: Brain-Inspired IT II (jointly worked), Kazuo Ishii, Kiyohisa Natsume and Akitoshi Hanazawa (Eds.), pp.169-172

Elsevier Science, 2006
A SOM Association Network （査読付）

久保田良輔 (Role: Joint author)

Advanced in Self-Organizing Maps, pp.15-20, Springer-Verlag社出版, Jun, 2001
Advanced in Self-Organizing Maps (jointly worked), Nigel Allinson, Hujun Yin, Lesley Allinson and Jon Slack (Eds.), pp.15-20

Springer-Verlag, 2001
Advanced in Self-Organizing Maps (jointly worked), Nigel Allinson, Hujun Yin, Lesley Allinson and Jon Slack (Eds.), pp.15-20

Springer-Verlag, 2001

Presentations

高専でのスポーツ共創「KOSEN−スポーツ」の提案

久保田良輔, 内堀晃彦, 日高良和

第25回日本高専学会年会講演論文集, Aug, 2019
階層型遺伝的アルゴリズムを用いた多種車両を考慮する配送計画問題の解決における近傍個体の投入指標の検証

石川秀大, 飯田隆太郎, 久保田良輔, 堀尾恵一

進化計算シンポジウム2017, Dec, 2017
適合度に基づく個体の変動を取り入れた遺伝的アルゴリズムのルーレット選択法

植田祥明, 久保田良輔, 堀尾恵一

電気・情報関連学会中国支部連合大会講演論文集(CD-ROM), Oct 3, 2012
複数のしきい値を有するスイッチングメジアンフィルタを用いた画像のランダム値インパルス性雑音検出

大永啓介, 久保田良輔, 末竹規哲

電気・情報関連学会中国支部連合大会講演論文集(CD-ROM), Oct 3, 2012
粒子群最適化法における自己最良位置の混合法に関する一検討

松田望, 久保田良輔, 田向権

電気・情報関連学会中国支部連合大会講演論文集(CD-ROM), Oct 3, 2012
自己組織化マップを用いた遺伝的アルゴリズムとその探索過程の可視化

植田祥明, 久保田良輔

電気・情報関連学会中国支部連合大会講演論文集(CD-ROM), Oct 3, 2011
デルタケプストラムとマハラノビス距離に基づく骨導音声の音質改善法

河村庸平, 久保田良輔, 内野英治, 末竹規哲

計測自動制御学会中国支部学術講演会論文集, Nov 27, 2010
computer-aided diagnosis system for tissue characterization of coronary plaque by using an intravascular ultrasound image

Uchino Eiji, Suetake Noriaki, Kubota Ryosuke, Koga Takanori, Furukawa Shota, Hiro Takafumi, Matsuzaki Masunori

Proceedings of the Fuzzy System Symposium, 2010, 日本知能情報ファジィ学会
Tone Quality Improvement of Bone Conduction Voice by Using Neural Gas Network and Local Conversion Models

Kubota Ryosuke, Uchino Eiji, Suetake Noriaki

Proceedings of the Fuzzy System Symposium, 2009, 日本知能情報ファジィ学会
追加学習機能を有する自己組織化マップを用いた骨導‐気導音声変換モデル

国広真実, 久保田良輔, 古賀崇了, 末竹規哲, 内野英治

計測自動制御学会中国支部学術講演会論文集, Nov 15, 2008
シード点の情報に基づくファジィ推論による血管内超音波画像の組織境界線抽出法

市山征平, 古賀崇了, 久保田良輔, 末竹規哲, 内野英治, 橋本弦太, 廣高史, 松崎益徳

計測自動制御学会中国支部学術講演会論文集, Nov 15, 2008
超音波信号の特性を考慮したディジタルフィルタによる血管内組織のエッジ検出

岡本拓也, 久保田良輔, 古賀崇了, 末竹規哲, 内野英治, 橋本弦太, 廣高史, 松崎益徳

計測自動制御学会中国支部学術講演会論文集, Nov 15, 2008
適応部分空間自己組織化マップを用いた血管内超音波信号の特徴抽出とプラーク組織性状判別

久保田良輔, 国広真実, 有田知世, 古賀崇了, 末竹規哲, 内野英治, 橋本弦太, 廣高史, 松崎益徳

計測自動制御学会中国支部学術講演会論文集, Nov 15, 2008
Tissue Characterization Method of Coronary Plaque Based on Continuity of Tissue and Its Performance Evaluation by Using ROC Analysis

UCHINO Eiji, SUETAKE Noriaki, KUBOTA Ryosuke, HASHIMOTO Genta, HIRO Takafumi, MATSUZAKI Masunori

Proceedings of the Annual Conference of Biomedical Fuzzy Systems Association, Oct 11, 2008, バイオメディカル・ファジィ・システム学会
Utilization of ASSOM for Intravascular Ultrasound Signal and Its Application to Tissue Classification

KUBOTA Ryosuke, KUNIHIRO Mami, SUETAKE Noriaki, UCHINO Eiji, HASHIMOTO Genta, HIRO Takafumi, MATSUZAKI Masunori

Proceedings of the Annual Conference of Biomedical Fuzzy Systems Association, Oct 11, 2008, バイオメディカル・ファジィ・システム学会
Plaque Boundary Extraction in Intravascular Ultrasound Image with Use of Fuzzy Inference

Kubota Ryosuke, Ichiyama Shohei, Suetake Noriaki, Uchino Eiji, Hashimoto Genta, Hiro Takafumi, Matsuzaki Masunori

Proceedings of the Fuzzy System Symposium, Sep 3, 2008, 日本知能情報ファジィ学会
Tone Quality Improvement of Bone Conduction Voice by a Self-Organizing Map-based Voice Conversion Model

国広真実, 久保田良輔, 末竹規哲, 内野英治

ファジィシステムシンポジウム講演論文集(CD-ROM), Sep 3, 2008, 日本知能情報ファジィ学会
Plaque Boundary Extraction in Intravascular Ultrasound Image with Use of Fuzzy Inference

久保田良輔, 市山征平, 末竹規哲

ファジィシステムシンポジウム講演論文集, Sep 3, 2008, 日本知能情報ファジィ学会
ASSOMの血管内超音波信号への応用とそれによる組織のクラス分類

久保田良輔, 国広真実, 末竹規哲, 内野英治, 橋本弦太, 廣高史, 松崎益徳

バイオメディカル・ファジィ・システム学会年次大会講演論文集, 2008, Biomedical Fuzzy Systems Association
追加学習機能を有する自己組織化マップを用いた骨導―気導音声変換モデル（共著）

第17回計測自動制御学会中国支部学術講演会, 2008

Professional Memberships

Research Projects

Establishment of Arbitrary Resolution Image Generation Algorithm Based on Simultaneous Optimization for Different Types of Objective Functions

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Aso Takashi
Development of Hierarchical Evolutionary Computation Method Solving Large-scale Nurse Scheduling Problem

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

Kubota Ryosuke
Establishment of Restricted-color Image Enlargement Algorithm Based on Complementary Simultaneous Optimization Theory

Grants-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

ASO Takashi, CHA Byungki, TAMUKOH Hakaru, KUBOTA Ryosuke
Development of Nurse Scheduling Method Based on Effective Neighborhood Embedding into Symbolic Data

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2015

KUBOTA Ryosuke
Establishment of Evolutionary Nurse Scheduling Based on Self-aggregated Subspaces Mining

Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, 2009 - 2011

KUBOTA Ryosuke
Establishment of Vocal Communication System under Heavy Environmental Noise for Handicapped People with Speech Impediment

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2007 - 2010

UCHINO Eiji, SUETAKE Noriaki, AZETSU Tadahiro, MORITA Hirohiko, KUBOTA Ryosuke
遺伝的アルゴリズムの探索精度向上に関する研究
Effective Search Strategy for Evolutional Computing Algorithms

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Misc.

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