Kazuya Okamoto

According to our database, Kazuya Okamoto authored at least 55 papers between 2004 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2023

Detection of abnormal fish by image recognition using fine-tuning.

Ryusei Okawa, Nobuo Iwasaki, Kazuya Okamoto, David Marsh

Artif. Life Robotics, February, 2023

2021

Strongly Stable and Maximum Weakly Stable Noncrossing Matchings.

Koki Hamada, Shuichi Miyazaki, Kazuya Okamoto

Algorithmica, 2021

2020

Detecting Severe Incidents from Electronic Medical Records Using Machine Learning Methods.

Kazuya Okamoto, Takashi Yamamoto, Shusuke Hiragi, Shosuke Ohtera, Osamu Sugiyama, Goshiro Yamamoto, Masahiro Hirose, Tomohiro Kuroda

Proceedings of the Digital Personalized Health and Medicine - Proceedings of MIE 2020, Medical Informatics Europe, Geneva, Switzerland, April 28, 2020

Preliminary Evaluation of Market Mechanism-Based Bed Allocation System.

Shusuke Hiragi, Osamu Sugiyama, Jun Hatanaka, Shosuke Ohtera, Goshiro Yamamoto, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Proceedings of the Digital Personalized Health and Medicine - Proceedings of MIE 2020, Medical Informatics Europe, Geneva, Switzerland, April 28, 2020

2019

Jointly stable matchings.

Shuichi Miyazaki, Kazuya Okamoto

J. Comb. Optim., 2019

Understanding the EMR-Related Experiences of Pregnant Japanese Women to Redesign Antenatal Care EMR Systems.

Samar El Helou, Victoria Abou Khalil, Goshiro Yamamoto, Eiji Kondoh, Hiroshi Tamura, Shusuke Hiragi, Osamu Sugiyama, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Informatics, 2019

Graph databases for openEHR clinical repositories.

Samar El Helou, Shinji Kobayashi, Goshiro Yamamoto, Naoto Kume, Eiji Kondoh, Shusuke Hiragi, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda

Int. J. Comput. Sci. Eng., 2019

Early Nephrosis Detection Based on Deep Learning with Clinical Time-Series Data.

Yohei Yamasaki, Osamu Sugiyama, Shusuke Hiragi, Shosuke Ohtera, Goshiro Yamamoto, Hiroshi Sasaki, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Proceedings of the MEDINFO 2019: Health and Wellbeing e-Networks for All, 2019

Prioritizing Features to Redesign in an EMR System.

Samar El Helou, Victoria Abou Khalil, Goshiro Yamamoto, Eiji Kondoh, Hiroshi Tamura, Shusuke Hiragi, Osamu Sugiyama, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Proceedings of the MEDINFO 2019: Health and Wellbeing e-Networks for All, 2019

Analysis for the Annual Text Amount of Electronic Medical Records.

Kenichiro Fujita, Osamu Sugiyama, Shusuke Hiragi, Kazuya Okamoto, Tadamasa Takemura, Tomohiro Kuroda

Proceedings of the MEDINFO 2019: Health and Wellbeing e-Networks for All, 2019

Assessing the Impact of a New Released Medicine Towards Medication Strategy Using Graph Based Visualization.

Purnomo Husnul Khotimah, Masatoshi Yoshikawa, Akihiro Hamasaki, Osamu Sugiyama, Kazuya Okamoto, Tomohiro Kuroda

Proceedings of the 2019 International Conference on Computer, 2019

Design Elements of Pervasive Games for Elderly Players: A Social Interaction Study Case.

Luciano H. O. Santos, Kazuya Okamoto, Shusuke Hiragi, Goshiro Yamamoto, Osamu Sugiyama, Tomoki Aoyama, Tomohiro Kuroda

Proceedings of the Human Aspects of IT for the Aged Population. Social Media, Games and Assistive Environments, 2019

Agent-based Completion for Collecting Medical Note Parameters.

Lukman Heryawan, Purnomo Husnul Khotimah, Goshiro Yamamoto, Osamu Sugiyama, Shusuke Hiragi, Kazuya Okamoto, Tomohiro Kuroda

Proceedings of the 7th International Conference on Human-Agent Interaction, 2019

2018

Medication Episode Construction Framework for Retrospective Database Analyses of Patients With Chronic Diseases.

Purnomo Husnul Khotimah, Yuichi Sugiyama, Masatoshi Yoshikawa, Akihiro Hamasaki, Osamu Sugiyama, Kazuya Okamoto, Tomohiro Kuroda

IEEE J. Biomed. Health Informatics, 2018

Designing an Authorization System Based on Patient Privacy Preferences in Japan.

Kensuke Morris, Goshiro Yamamoto, Shusuke Hiragi, Shosuke Ohtera, Michi Sakai, Osamu Sugiyama, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Proceedings of the Building Continents of Knowledge in Oceans of Data: The Future of Co-Created eHealth, 2018

Understanding the Roles of EMR Systems in Japanese Antenatal Care Settings.

Samar El Helou, Goshiro Yamamoto, Eiji Kondoh, Hiroshi Tamura, Shusuke Hiragi, Osamu Sugiyama, Kazuya Okamoto, Masayuki Nambu, Tomohiro Kuroda

Proceedings of the Data, 2018

2017

Authenticating Unknown Doctors for Access to EHRs Based on Societal Trust.

Kensuke Morris, Naoto Kume, Goshiro Yamamoto, Shinji Kobayashi, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda

Proceedings of the MEDINFO 2017: Precision Healthcare through Informatics, 2017

Generation of openEHR Test Datasets for Benchmarking.

Samar El Helou, Tuukka Karvonen, Goshiro Yamamoto, Naoto Kume, Shinji Kobayashi, Eiji Kondoh, Shusuke Hiragi, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda

Proceedings of the MEDINFO 2017: Precision Healthcare through Informatics, 2017

2016

Evaluation of Secure Computation in a Distributed Healthcare Setting.

Eizen Kimura, Koki Hamada, Ryo Kikuchi, Koji Chida, Kazuya Okamoto, Shirou Manabe, Tomohiro Kuroda, Yasushi Matsumura, Toshihiro Takeda, Naoki Mihara

Proceedings of the Exploring Complexity in Health: An Interdisciplinary Systems Approach - Proceedings of MIE2016 at HEC2016, Munich, Germany, 28 August, 2016

Comparing frequent patterns: A study case of Apriori and singleton implementations in a diabetes type 2 data set.

Purnomo Husnul Khotimah, Masatoshi Yoshikawa, Akihiro Hamasaki, Osamu Sugiyama, Kazuya Okamoto, Tomohiro Kuroda

Proceedings of the 2016 International Conference on Computer, 2016

Revealing oral medication patterns from reconstructed long-term medication history of type 2 diabetes.

Purnomo Husnul Khotimah, Yuichi Sugiyama, Masatoshi Yoshikawa, Akihiro Hamasaki, Kazuya Okamoto, Tomohiro Kuroda

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

3D reconstruction of cochlea using optical coherence tomography.

Tuukka Karvonen, Yuki Uranishi, Tatsunori Sakamoto, Yosuke Tona, Kazuya Okamoto, Hiroshi Tamura, Tomohiro Kuroda

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

Prototyping context-aware nursing support mobile system.

Misa Esashi, Tomohiro Nakano, Nao Onose, Kikue Sato, Tomoko Hikita, Reiko Hoya, Kazuya Okamoto, Naoki Ohboshi, Tomohiro Kuroda

Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2016

2015

A Development of Automatic Audit System for Written Informed Consent using Machine Learning.

Hitomi Yamada, Tadamasa Takemura, Takahiro Asai, Kazuya Okamoto, Tomohiro Kuroda, Shigeki Kuwata

Proceedings of the MEDINFO 2015: eHealth-enabled Health, 2015

New precision wafer bonding technologies for 3DIC.

Isao Sugaya, Hajime Mitsuishi, Hidehiro Maeda, Kazuya Okamoto

Proceedings of the 2015 International 3D Systems Integration Conference, 2015

2014

A multi-agent based optimal operation for microgrid.

Takeshi Nagata, Kazuya Okamoto

Proceedings of the 2014 IEEE International Conference on Systems, Man, and Cybernetics, 2014

Daily assessment of rheumatoid arthritis disease activity using a smartphone application: development and 3-month feasibility study.

Shu Nishiguchi, Hiromu Ito, Minoru Yamada, Hiroyuki Yoshitomi, Moritoshi Furu, Tomoki Aoyama, Tadao Tsuboyama, Tatsuaki Ito, Akio Shinohara, Tetsuya Ura, Kazuya Okamoto

Proceedings of the 8th International Conference on Pervasive Computing Technologies for Healthcare, 2014

Electric power interchange between micro-grids by using multi-agent approach.

Takeshi Nagata, Kazuya Okamoto

Proceedings of the 2014 IEEE International Conference on Automation Science and Engineering, 2014

2013

Augmented reality-based block piling game with superimposed collapse prediction.

Kazuya Okamoto, Naoto Kume, Tatsuya Tokunaga, Yoko Tanaka, Terasawa Noriaki, Takashi Tsukasa, Tadamasa Takemura, Hiroyuki Yoshihara

Virtual Real., 2013

Effect of a Kinect-based exercise game on improving executive cognitive performance in community-dwelling elderly.

Hiroki Kayama, Shu Nishiguchi, Minoru Yamada, Tomoki Aoyama, Kazuya Okamoto, Tomohiro Kuroda

Proceedings of the 7th International Conference on Pervasive Computing Technologies for Healthcare and Workshops, 2013

Rupture Progression Model of Stress Integration for Virtual Reality Ablation.

Naoto Kume, Kana Eguchi, Tomohiro Kuroda, Koji Yoshimura, Kazutoshi Okubo, Kazuya Okamoto, Tadamasa Takemura, Hiroyuki Yoshihara

Proceedings of the Medicine Meets Virtual Reality 20 - NextMed, 2013

The Development of a Multiplayer Game for Education of Hospital Management.

Tadamasa Takemura, Toshiyuki Tanaka, Kazuya Okamoto, Naoto Kume, Tomohiro Kuroda, Masahiro Hirose, Hiroyuki Yoshihara

Proceedings of the MEDINFO 2013, 2013

Qualitative Evaluation of the Supporting System for Diagnosis Procedure Combination Code Selection.

Kazuya Okamoto, Toshio Uchiyama, Tadamasa Takemura, Naoto Kume, Takayuki Adachi, Tomohiro Kuroda, Tadasu Uchiyama, Hiroyuki Yoshihara

Proceedings of the MEDINFO 2013, 2013

Development of lifelog sharing system for rheumatoid arthritis patients using smartphone.

Akio Shinohara, Tatsuaki Ito, Tetsuya Ura, Shu Nishiguchi, Hiromu Ito, Minoru Yamada, Hiroyuki Yoshitomi, Moritoshi Furu, Kazuya Okamoto, Tomoki Aoyama

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

Tele-auscultation support system with mixed reality navigation.

Kenta Hori, Yusuke Uchida, Tsukasa Kan, Maya Minami, Chisako Naito, Tomohiro Kuroda, Hideya Takahashi, Masahiko Ando, Takashi Kawamura, Naoto Kume, Kazuya Okamoto, Tadamasa Takemura, Hiroyuki Yoshihara

Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013

The Electronic Health Record as a Clinical Study Information Hub.

Naoto Kume, Kazuya Okamoto, Tomohiro Kuroda, Hiroyuki Yoshihara

Proceedings of the First Workshop on Natural Language Processing for Medical and Healthcare Fields@IJCNLP 2013, 2013

2012

Development of Fundamental Infrastructure for Nationwide EHR in Japan.

Tadamasa Takemura, Kenji Araki, Kenji Arita, Toshiaki Suzuki, Kazuya Okamoto, Naoto Kume, Tomohiro Kuroda, Akira Takada, Hiroyuki Yoshihara

J. Medical Syst., 2012

Development of an environment for information reuse on a hospital information system.

Tadamasa Takemura, Naoto Kume, Kazuya Okamoto, Tomohiro Kuroda, Hiroyuki Yoshihara

Proceedings of the 6th International Conference on Soft Computing and Intelligent Systems (SCIS), 2012

A hypothesis-generating support system using medical records for clinical knowledge acquisition.

Kazuya Okamoto, Hiroko Tanaka, Tadamasa Takemura, Naoto Kume, Tomohiro Kuroda, Hiroyuki Yoshihara

Proceedings of the 6th International Conference on Soft Computing and Intelligent Systems (SCIS), 2012

The mobile environment of EHR browsing verified on tablet terminal.

Naoto Kume, Yosuke Hirayama, Naoki Ohboshi, Kazuya Okamoto, Tadamasa Takemura, Kenji Araki, Hiroyuki Yoshihara

Proceedings of the 6th International Conference on Soft Computing and Intelligent Systems (SCIS), 2012

Impact of position tracking on the outpatient navigation system.

Tomohiro Kuroda, Tadamasa Takemura, Haruo Noma, Kazuya Okamoto, Naoto Kume, Hiroyuki Yoshihara

Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012

2010

Improving the Competitive Ratios of the Seat Reservation Problem.

Shuichi Miyazaki, Kazuya Okamoto

Proceedings of the Theoretical Computer Science, 2010

2009

Geometric stable roommates.

Esther M. Arkin, Sang Won Bae, Alon Efrat, Kazuya Okamoto, Joseph S. B. Mitchell, Valentin Polishchuk

Inf. Process. Lett., 2009

Improving the Competitive Ratio of the Online OVSF Code Assignment Problem.

Shuichi Miyazaki, Kazuya Okamoto

Algorithms, 2009

2008

Ranking of Closeness Centrality for Large-Scale Social Networks.

Kazuya Okamoto, Wei Chen, Xiang-Yang Li

Proceedings of the Frontiers in Algorithmics, Second Annual International Workshop, 2008

2007

Semi-automatic Development of Optimized Surgical Simulator with Surgical Manuals.

Yoshihiro Kuroda, Tadamasa Takemura, Naoto Kume, Kazuya Okamoto, Kenta Hori, Megumi Nakao, Tomohiro Kuroda, Hiroyuki Yoshihara

Proceedings of the Medicine Meets Virtual Reality 15, 2007

Context-Based Loose Information Structure for Medical Free Text Document.

Tadamasa Takemura, Kazuya Okamoto, Hyogyong Kim, Masahiro Hirose, Tomohiro Kuroda, Hiroyuki Yoshihara

Proceedings of the Human Interface and the Management of Information. Methods, 2007

Finding Origin Points for New Coordinate System Suitable for Sign Animation.

Tomohiro Kuroda, Kazuya Okamoto, Ryo Kitauchi, Tadamasa Takemura, Naoki Ohboshi, Hiroyuki Yoshihara

Proceedings of the Digital Human Modeling, 2007

VR-Based Self Brain Surgery Game System by Deformable Volumetric Image Visualization.

Naoto Kume, Kazuya Okamoto, Takashi Tsukasa, Hiroyuki Yoshihara

Proceedings of the Virtual Reality, 2007

Improved Upper Bounds on the Competitive Ratio for Online Realtime Scheduling.

Koji M. Kobayashi, Kazuya Okamoto

Proceedings of the Algorithms, 2007

2006

A (2 - <i>c</i>log <i>N</i>/<i>N</i>)-Approximation Algorithm for the Stable Marriage Problem.

Kazuo Iwama, Shuichi Miyazaki, Kazuya Okamoto

IEICE Trans. Inf. Syst., 2006

2004

Monitoring internal body heat using water proton chemical shift during a fast spin echo pulse sequence.

Yasutoshi Ishihara, Kazuya Okamoto, Tomoyuki Kanamatsu, Yasuzo Tsukada

Syst. Comput. Jpn., 2004

Comparison of code combining and MRC diversity reception in mobile communications.

Hong Zhou, Kazuya Okamoto

Proceedings of the 2004 IEEE Wireless Communications and Networking Conference , 2004

A (2-c(log N/N))-Approximation Algorithm for the Stable Marriage Problem.

Kazuo Iwama, Shuichi Miyazaki, Kazuya Okamoto

Proceedings of the Algorithm Theory, 2004

Evaluation of Rule Interestingness Measures with a Clinical Dataset on Hepatitis.

Miho Ohsaki, Shinya Kitaguchi, Kazuya Okamoto, Hideto Yokoi, Takahira Yamaguchi

Proceedings of the Knowledge Discovery in Databases: PKDD 2004, 2004