Kohei Murao

Profile Information

Affiliation: National Institute of Informatics

Degree: PhD

J-GLOBAL ID: 201801003251022477
researchmap Member ID: B000289025

External link: http://research.nii.ac.jp/rc4mb/

2018 - National Institute of Informatics
1995 - 2018 Fujitsu Ltd.
1994 PhD in Applied Physics at Tohoku University
1991 Master's degree in Applied Physics at Tohoku University
1989 Bachelor's degree in Material Engineering at Waseda University

Research Interests

Research Areas

Informatics / Biological, health, and medical informatics / medical image analysis and informatics

Research History

Mar, 2018 - Present

Project Associate Professor, Research Center for Medical Bigdata, National Institute of Informatics
Sep, 2018 - Mar, 2020

Visiting Researcher, Department of Radiology, National Center for Global Health and Medicine
Apr, 1995 - Feb, 2018

Manager, Fujitsu Limited

Education

Apr, 1991 - Mar, 1994

Tohoku university
Apr, 1989 - Mar, 1991

Tohoku university
Apr, 1985 - Mar, 1989

Waseda university

Committee Memberships

Apr, 2009 - Present

運営委員および東日本実行委員, 肺がんＣＴ検診認定機構

Awards

Dec, 2004

Certificate of Merit, RSNA (Radiological Society of North America)

Kohei Murao

Papers

Development and multi‐institutional validation of an artificial intelligence‐based diagnostic system for gastric biopsy

Hiroyuki Abe, Yusuke Kurose, Shusuke Takahama, Ayako Kume, Shu Nishida, Miyako Fukasawa, Yoichi Yasunaga, Tetsuo Ushiku, Youichiro Ninomiya, Akihiko Yoshizawa …

Cancer Science, 113(10) 3608-3617, Aug 12, 2022 Peer-reviewed
Classification of large-scale image database of various skin diseases using deep learning.

Masaya Tanaka, Atsushi Saito, Kosuke Shido, Yasuhiro Fujisawa, Kenshi Yamasaki, Manabu Fujimoto, Kohei Murao, Youichirou Ninomiya, Shin'ichi Satoh, Akinobu Shimizu

International Journal of Computer Assisted Radiology and Surgery, 16(11) 1875-1887, 2021
MADGAN: unsupervised medical anomaly detection GAN using multiple adjacent brain MRI slice reconstruction.

Changhee Han, Leonardo Rundo, Kohei Murao, Tomoyuki Noguchi, Yuki Shimahara, Zoltán, Ádám Milacski, Saori Koshino, Evis Sala, Hideki Nakayama …

BMC Bioinformatics, 22-S(2) 31-31, 2021
深層学習による大規模多様皮膚疾患画像データベースの分類

田中雅也, 斉藤篤, 志藤光介, 藤澤康弘, 山崎研志, 藤本学, 村尾晃平, 二宮洋一郎, 佐藤真一, 清水昭伸

日本医用画像工学会大会予稿集, 39回 35-35, Sep, 2020
Bridging the Gap between AI and Healthcare Sides: Towards Developing Clinically Relevant AI-Powered Diagnosis Systems

Changhee Han, Leonardo Rundo, Kohei Murao, Takafumi Nemoto, Hideki Nakayama

Proceedings of 16th International Conference on Artificial Intelligence Applications and Innovations (AIAI), 320-333, Jun, 2020 Peer-reviewed
Cloud platform for deep learningbased CAD via collaboration between Japanese medical societies and institutes of informatics

Murao, Kohei, Ninomiya, Youichirou, Han, Changhee, Aida, Kento, Satoh, Shin'ichi

PROCEEDINGS OF SPIE, 11318(113180T) 1-6, Mar, 2020 Peer-reviewedLead author
Bridging the gap between AI and Healthcare sides: towards developing clinically relevant AI-powered diagnosis systems.

Changhee Han, Leonardo Rundo, Kohei Murao, Takafumi Nemoto, Hideki Nakayama, Shin'ichi Satoh

CoRR, abs/2001.03923, 2020
Learning More with Less

Changhee Han, Kohei Murao, Tomoyuki Noguchi, Yusuke Kawata, Fumiya Uchiyama, Leonardo Rundo, Hideki Nakayama, Shin'ichi Satoh

Proceedings of the 28th ACM International Conference on Information and Knowledge Management, Nov 3, 2019
GAN-based Multiple Adjacent Brain MRI Slice Reconstruction for Unsupervised Alzheimer's Disease Diagnosis

Changhee Han, Leonardo Rundo, Kohei Murao, Zoltá, ám Milacski, Kazuki Umemoto, Hideki Nakayama, Shin'Ichi Satoh

Proceedings of the 16th International Conference on Computational Intelligence methods for Bioinformatics and Biostatistic (CIBB), 44-54, Sep, 2019 Peer-reviewed
AMED Project Outline: Cloud Infrastructure and AI Image Analysis

Shin’ichi SATOH, Kento AIDA, Kohei MURAO, Youichirou NINOMIYA

Medical Imaging Technology, 37(2) 67-71, Mar, 2019
[Applications of 3D-PSF of CT Image to QA for Thoracic CT-CAD: Part 2. Application of 3D-PSF and Verification of Measurement Accuracy of PSF].

Shinichi Wada, Masaki Ohkubo, Akihiro Narita, Kohei Murao, Toru Matsumoto

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 39(2) 42-49, 2019
[Applications of 3D-PSF of CT Image to QA for Thoracic CT-CAD: Part 3. Application of 3D-PSF 1. Conversion and Normalization of the Spatial Resolution of CT Image].

Shinichi Wada, Masaki Ohkubo, Akihiro Narita, Kohei Murao, Toru Matsumoto

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 39(3) 61-67, 2019
[Applications of 3D-PSF of CT Image to QA for Thoracic CT-CAD: Part 4. Application of 3D-PSF 2. Virtual Nodule Application to QA for Thoracic CT-CAD].

Shinichi Wada, Masaki Ohkubo, Akihiro Narita, Kohei Murao, Toru Matsumoto, Shusuke Sone

Igaku butsuri : Nihon Igaku Butsuri Gakkai kikanshi = Japanese journal of medical physics : an official journal of Japan Society of Medical Physics, 39(4) 77-85, 2019
Learning More with Less: GAN-based Medical Image Augmentation.

Changhee Han, Kohei Murao, Shin'ichi Satoh, Hideki Nakayama

CoRR, abs/1904.00838, 2019 Peer-reviewed
Learning More with Less: Conditional PGGAN-based Data Augmentation for Brain Metastases Detection Using Highly-Rough Annotation on MR images.

Changhee Han, Kohei Murao, Tomoyuki Noguchi, Yusuke Kawata, Fumiya Uchiyama,Leonardo Rundo, Hideki Nakayama, Shin'ichi Satoh

CoRR, abs/1902.09856, 2019 Peer-reviewed
Generation of realistic virtual nodules based on three-dimensional spatial resolution in lung computed tomography: A pilot phantom study

Akihiro Narita, Masaki Ohkubo, Kohei Murao, Toru Matsumoto, Shinichi Wada

MEDICAL PHYSICS, 44(10) 5303-5313, Oct, 2017 Peer-reviewed
A method for evaluating the performance of computeraided detection of pulmonary nodules in lung cancer CT screening: detection limit for nodule size and density

Hajime Kobayashi, Masaki Ohkubo, Akihiro Narita, Janaka C. Marasinghe, Kohei Murao, Toru Matsumoto, Shusuke Sone, Shinichi Wada

BRITISH JOURNAL OF RADIOLOGY, 90(1070) 20160313, 2017 Peer-reviewed
Technical Note: Image filtering to make computer-aided detection robust to image reconstruction kernel choice in lung cancer CT screening

Masaki Ohkubo, Akihiro Narita, Shinichi Wada, Kohei Murao, Toru Matsumoto

MEDICAL PHYSICS, 43(7) 4098-4105, Jul, 2016 Peer-reviewed
Quality assurance of lung cancer CT screening CAD system by applying PSF-based reference virtual nodule set

Marasinghe JC, Ohkubo M, Kobayashi H, Yoshida A, Murao K, Matsumoto T, Sone S, Wada S

European Congress of Radiology, C-1125 1-11, Mar, 2015 Peer-reviewed
[The spread of low-dose lung ct screening and future task].

Hanai K, Matsumoto T, Murao K, Muramatsu Y, Gomi S, Yamaguchi I, Nagao K

Nihon Hoshasen Gijutsu Gakkai zasshi, 71(1) 33-42, Jan, 2015 Peer-reviewed

Misc.

103

Guidance for Developers and Users of Artificial Intelligence in Pathological Diagnosis

Jul, 2022
肺がんCT検診認定技師の現状分析による対策型検診に向けた課題

山口功, 花井耕造, 村松禎久, 村尾晃平, 長島千恵子, 金岩清雄, 森泉力, 牛尾哲敏, 和田真一, 松田晃 …

CT検診, 27(1), 2020
AI Research and Development at Research Center for Medical Big Data

Shin'ichi Stoh, Kento Aida, Kohei Murao, Yoichiro Ninomiya

INNERVISION, 34(7), Jul, 2019
Learning More with Less: GAN-based Medical Image Augmentation

Changhee Han, Kohei Murao, Shin'ichi Satoh, Hideki Nakayama

Mar 29, 2019
Learning More with Less: Conditional PGGAN-based Data Augmentation for Brain Metastases Detection Using Highly-Rough Annotation on MR Images

Changhee Han, Kohei Murao, Tomoyuki Noguchi, Yusuke Kawata, Fumiya Uchiyama, Leonardo Rundo, Hideki Nakayama, Shin'ichi Satoh

Feb 26, 2019
バイナリ判断データからROC曲線を作成する方法

松本徹, 菊地賢一, 村尾晃平, 和田真一

CT検診, 25(1) 11, Feb 9, 2018
CAD‐quality assuranceのためのSite‐specificな疑似肺結節像生成法の研究

成田啓廣, 大久保真樹, 村尾晃平, 松本徹, 和田真一

CT検診, 25(1) 37-37, Feb 9, 2018
認定技師異常所見検出試験結果の分析

松本徹, 村尾晃平, 和田真一

CT検診, 25(1) 11, Feb 9, 2018
Virtual noduleを用いた胸部CT‐CADの性能特性評価の研究:nodule性状の変化に対する3機種CADの応答

舩越萌香, 郷戸允, 大久保真樹, 成田啓廣, 村尾晃平, 松本徹, 和田真一, 村松禎久

CT検診, 25(1) 38-38, Feb 9, 2018
Similar CT image retrieval method based on lesion natures and their three-dimensional distribution

武部浩明, 森脇康貴, 馬場孝之, 寺田大晃, 檜垣徹, 粟井和夫, 小澤亮夫, 村尾晃平, 荻野康晴, ワンメンジャオ …

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 117(106) 57-62, Jun 22, 2017
Similar CT image retrieval method based on lesion natures and their three-dimensional distribution

武部浩明, 森脇康貴, 馬場孝之, 寺田大晃, 檜垣徹, 粟井和夫, 小澤亮夫, 村尾晃平, 荻野康晴, ワンメンジャオ …

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 117(105) 57-62, Jun 22, 2017
Similar CT image retrieval method based on lesion natures and their three-dimensional distribution

武部浩明, 森脇康貴, 馬場孝之, 寺田大晃, 檜垣徹, 粟井和夫, 小澤亮夫, 村尾晃平, 荻野康晴, WANG Mengjiao …

電子情報通信学会技術研究報告, 117(105(PRMU2017 25-38)) 57‐62-62, Jun 15, 2017
3D‐PSF模擬結節を用いた胸部CT‐CADの性能特性評価の研究:結節性状と画像再構成条件の変化に対するCADの応答

郷戸允, 郷戸允, 大久保真樹, 成田啓廣, 菅原秀賢, 村松禎久, 村尾晃平, 松本徹, 和田眞一

CT検診, 24(1) 16-16, Feb 3, 2017
肺がんCT検診認定技師認定講習会における認定試験の実際

花井耕造, 村松禎久, 東村享治, 牛尾哲敏, 村尾晃平, 金子昌弘, 肺がんCT検診認定技師認定講習会東日本実行委員会

CT検診, 24(1) 6-6, Feb, 2017
3D‐PSF模擬結節を用いた胸部CT‐CADの性能評価の研究

郷戸允, 郷戸允, 大久保真樹, 成田啓廣, 菅原秀賢, 村尾晃平, 松本徹, 和田眞一

CT検診, 23(1) 30-30, Feb 12, 2016
肺がんCTにおける読影の補助とその有効性

花井耕造, 松本徹, 村松禎久, 村尾晃平

日本放射線技術学会総会学術大会予稿集, 71st 122-123, Feb 28, 2015
CT装置の空間分解能に基づいたvirtual noduleの生成および胸部CT検診CADの性能評価への応用:ファントム模擬結節との比較による検証

小林元, 大久保真樹, MARASINGHE Janaka C, 和田真一, 村尾晃平, 松本徹, 曽根脩輔

Jpn J Radiol, 33(Supplement) 4-4, Feb 25, 2015
CT装置の空間分解能に基づいたvirtual noduleの生成および胸部CT検診CAD性能評価への応用ファントム模擬結節との比較による検証

小林元, 大久保真樹, Marasinghe Janaka C, 和田真一, 村尾晃平, 松本徹, 曽根脩輔

Japanese Journal of Radiology, 33(Suppl.) 4-4, Feb, 2015
研究テーマとして考える「画像診断における読影の補助」 [撮影部会:CT]肺がんCTにおける読影の補助とその有効性

花井耕造, 松本徹, 村松禎久, 村尾晃平

日本放射線技術学会総会学術大会予稿集, 71回 122-123, Feb, 2015
胸部CT検診CADのQAに関する研究:ファントム模擬結節によるvirtual nodule offsetの検証

吉田皓文, 大久保真樹, MARASINGHE Janaka C, 村尾晃平, 松本徹, 和田真一

CT検診, 22(1) 36-36, Feb, 2015

Books and Other Publications

ビッグデータが拓く医療AI

佐藤, 真一, 村尾, 晃平, 二宮, 洋一郎, 田井中, 麻都佳, 情報・システム研究機構国立情報学研究所医療ビッグデータ研究センター, 国立情報学研究所

丸善出版, Sep, 2021 (ISBN: 9784621053904)

Presentations

Medical Bigdata Cloud Platform: Common Place of Research and Development for Doctors and Researhcers of Informatics from multiple facilities

Kohei Murao

Cloud Week 2022 @ Hokkaido University, Sep 8, 2022 Invited
Estimation of severity of glaucoma in fundus images from multiple facilities

Kohei MURAO, Shin’ichi SATOH, Takashi OMOTO, Kenji KASHIWAGI, Masahiro MIYAKE, Youichirou NINOMIYA

JAMIT Annual Meeting 2022, Jul, 2022
Medical big data and AI image analysis

Kohei Murao

Japanese Society of CT Screening Summer Seminar 2019, Jul 13, 2019 Invited
Activity of Medical Big Data Research Center - Collaboration between Medical Science Association and AI Image Analysis Researcher using Cloud Platform

Kohei Murao

Technical Committee on Industrial Application of Image Processing, Nov 16, 2018 Invited
Collaboration between Medical Science Association and AI Image Analysis Researcher using Cloud Platform

Kohei Murao

Workshop on Advanced Network Usage "ADVNET2018", Oct 12, 2018

Professional Memberships

Research Projects

Virtual nodule based on 3D spatial resolution in lung CT and its application to performance evaluation of computer-aided detection (CAD) system

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2014 - Mar, 2017

OHKUBO Masaki, MATSUMOTO Toru, MURAO Kohei
Performance evaluation of lung cancer CT screening CAD and developmant

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2013 - Mar, 2016

WADA SHINICHI, OHKUBO Masaki, MATSUMOTO Toru, MURAO Kohei, MARASINGHE Janaka C, KOBAYASHI Hajime, YOSHIDA Akifumi, GOUDO Makoto, NARITA Akihiro, SUGAWARA Hideyoshi
Conversion of CT image quality to suitable quality for images input into a computer-aided detection (CAD) system for lung cancer

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

OHKUBO Masaki, WADA Shinichi, MATSUMOTO Toru, MURAO Kohei
Quantitative evaluation of small spherical structures in PSF-based CT image simulation

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2008 - 2010

OHKUBO Masaki, WADA Shinichi, MATSUMOTO Toru, MURAO Kohei

Industrial Property Rights

特許第4480508号診断支援プログラムおよび診断支援装置

村尾晃平
特許第4462959号顕微鏡画像撮影システム及び方法

成瀬正俊, 村尾晃平
特許第4037869号画像解析支援方法、画像解析支援プログラムおよび画像解析支援装置

村尾晃平, 須田修二, 宇佐見仁英, 成瀬正俊, 後藤敏行, 影井清一郎, 蕪山典子
特許第4021179号診断支援プログラム、診断支援プログラムを記録したコンピュータ読取可能な記録媒体、診断支援装置及び診断支援方法

村尾晃平
特許第3921015号画像解析装置及び方法並びにプログラム記録媒体

村尾晃平
特開2006-043007 診断支援プログラムおよび診断支援装置

村尾晃平
特許第3730872号画像処理装置及び画像処理プログラム

小澤亮夫, 村尾晃平
特開2005-241872 顕微鏡画像撮影システム及び方法

成瀬正俊, 村尾晃平
WO2004-042392 画像解析支援方法、画像解析支援プログラムおよび画像解析支援装置

村尾晃平, 須田修二, 宇佐見仁英, 成瀬正俊, 後藤敏行, 影井清一郎, 蕪山典子
特開2002-230518 診断支援プログラム、診断支援プログラムを記録したコンピュータ読取可能な記録媒体、診断支援装置及び診断支援方法

村尾晃平
特開2001-344601 画像処理装置及び画像処理プログラム

小澤亮夫, 村尾晃平
特開2001-209785 画像処理装置、画像処理方法、および画像処理プログラム記憶媒体

山中隆敏, 村尾晃平
特開2001-092973 画像解析装置及び方法並びにプログラム記録媒体

村尾晃平
特開平11-238067 画像検索システムおよび記録媒体

村尾晃平, 安藤淳禎, 中島俊哉
特開平10-070722 ウエーブレット画像圧縮装置およびウエーブレット画像復元装置,並びにプログラム記憶媒体

村尾晃平

Other

Medical field changing with big data (part 2) - What is the relationship between AI and doctors

Aug, 2018 - Aug, 2018

Insight for D https://d-marketing.yahoo.co.jp/entry/20180815523088.html
Medical field changing with big data (Part 1) - How to confront physician shortage

Aug, 2018 - Aug, 2018

Insight for D https://d-marketing.yahoo.co.jp/entry/20180814523083.html