SHIMOSEGAWA Masayuki

Affiliation

Graduate School of Radiological Technology / Department of Radiological Technology, School of Radiological Technology

Title

Dean and Professor

Areas of expertise

  • Medical imaging and information sciences
  • Applied optics
  • Sociology of education

Research subjects

  • Image quality evaluation of medical imaging
  • Image processing for assisting with diagnostic imaging
  • Education system and policies for radiological technologists

Selected Bibliography

  • Maruyama, S.，Saito, H.，Shimosegawa, M.：Characterization of anti-scatter grids via a modulation transfer function improvement factor using an edge device，Biomedical Physics & Engineering Express，7，2021．DOI: 10.1088/2057-1976/abfc2f．
  • Maruyama, S.，Shimosegawa, M.：Verification of the influence of the sampling aperture on the digital noise power spectrum，European Scociety of Radiology’s online database for electric scientific exhibits，2020．DOI: 10.26044/ecr2020/C-04596．
  • Maruyama, S.，Shimosegawa, M.：The effects of scattered radiation from a semitransparent edge on MTF measurement: verification of several factors by Monte Carlo simulation，Physical and Engineering Sciences in Medicine，43，547-556，2020．
  • Shimosegawa, M.，Nagashima, H.，Hoshino, S.，Doi, K.：Potential usefulness of medical liquid crystal displays using independent sub-pixel driving technology，Proceedings of International Forum on Medical Imaging in Asia (IFMIA) 2011，240-242, 2011.
  • Akimoto, T.，Caruana, C. J.，Shimosegawa, M.：A qualitative comparative survey of First Cycle radiography programmes in Europe and Japan，Radiography，15，185-192，2009．
  • Shimosegawa, M.，Omatsu, T.，Tateda, M.，Ogura, I.，Blows, J. L.，Wang, P.，Dawes, J. M.：Thermal conductivity of self-frequency-doubling laser crystal measured by use of optical methods，Applied Optics，40，1372-1377，2001．
  • Shimosegawa, M.，Omatsu, T.，Hasegawa, A.，Tateda, M.，Ogura, I.，Wang, P.，Dawes, J. M.：Quantitative measurement of thermal lens in laser-diode-pumped self-frequency-doubled Nd,Lu:YAl3(BO3)4 laser under lasing and non-lasing conditions，Japanese Journal of Applied Physics，38，6335-6339，1999．
  • Blows, J. L.，Dawes, J. M.，Pask, H.，Omatsu, T.，Shimosegawa, M.，Tateda, M.：Influence of laser action on thermal loading in diode-pumped Nd:YVO4，OSA (Optical Society of America) Trends in Optics and Photonics Series，28，279-285，1999．
  • Shimosegawa, M.，Watanabe, H.，Omatsu, T.，Hasegawa, A.，Tateda, M.，Ogura, I.：Self-adaptive external resonator for second harmonic generation in laser-diode-pumped NYAB laser using photorefractive phase conjugate feedback，Proceedings of the Society of Photo-Optical Instrumentation engineers，3554，191-197，1998．
  • Shimosegawa, M.，Omatsu, T.，Hasegawa, A.，Tateda, M.，Ogura, I.：Transient thermal lensing measurement in laser diode pumped NdxY1-xAl3(BO3)4 laser using holographic shearing interferometer，Optics Communications，140，237-241，1997．
  • Shimosegawa, M.，Omatsu, T.，Hasegawa, A.，Tateda, M.，Ogura, I.：External resonant second harmonic generation in laser-diode-pumped NYAB laser with use of phase conjugator，OSA (Optical Society of America) Technical Digest，113-114，1997．
  • Omatsu, T.，Kato, Y.，Shimosegawa, M.，Hasegawa, A.，Ogura, I.：Thermal effects in laser diode pumped self-frequency-doubled NdxY1-xAl3(BO3)4 (NYAB) microchip laser，Optics Communications，118，302-308，1995．

Qualification

  • Ph.D. (Information Science), Chiba University, 2000
  • M.S. (Image Science), Chiba University, 1996
  • M.A. (Higher Education), The University of Tokyo, 2016
  • Bachelor of Engineering, Chiba University, 1994
  • Bachelor of Health Science, National Institution for Academic Degrees and Quality Enhancement of Higher Education, 2000
  • Bachelor of Education, Tamagawa University, 2012
  • Senior Healthcare Information Technologist, Japan Association for Medical Informatics, 2016
  • High School Specialized Teacher’s License (Civics), National Qualification, 2016
  • High School First-class Teacher’s License (Mathematics), National Qualification, 2013
  • High School First-class Teacher’s License (Informatics), National Qualification, 2013
  • High School Specialized Teacher’s License (Industry), National Qualification, 2010
  • Medical Physicist, Japanese Board for Medical Physicist Qualification, 2001
  • Information Processing Engineer, Class 2, National Qualification, 1992
  • Certified Radiation Protection Supervisor, Class 1, National Qualification, 1991
  • Professional Diploma in Radiological Technology, Chiba University, 1988

Professional Experience

  • 2019-present   Dean, Graduate School of Radiological Technology, Gunma Prefectural College of Health Sciences
  • 2019-present   Dean, School of Radiological Technology, Gunma Prefectural College of Health Sciences
  • 2017-present   Lecturer (part-time), National Institutes for Quantum and Radiological Science and Technology
  • 2017-present   Lecturer (part-time), Graduate School of Medicine, Gunma University
  • 2016-2019       Library Director, Gunma Prefectural College of Health Sciences
  • 2015-present   Councillor, Gunma Prefectural College of Health Sciences
  • 2008-2012       Lecturer (part-time), Graduate School of Comprehensive Human Sciences, University of Tsukuba
  • 2006-2011        Visiting Researcher, Molecular Imaging Center, National Institute of Radiological Sciences
  • 2004-present   Professor, Department of Radiological Technology, Gunma Prefectural College of Health Sciences
  • 2001-2004       Associate Professor, Department of Radiological Technology, Gunma Prefectural College of Health Sciences
  • 2000 　            Visiting Researcher, Department of Radiology, The University of Chicago
  • 2000-2015       Lecturer (part-time), Faculty of Health Sciences, Tokyo Metropolitan University
  • 1998-2001       Senior Lecturer, Technical School of Radiology, Chiba University
  • 1997-1998       Chief Radiological Technologist, Department of Radiology, Chiba Emergency Medical Center
  • 1996-1999       Teaching Assistant, Faculty of Engineering, Chiba University
  • 1988-1997       Radiological Technologist, Department of Radiology, Chiba Emergency Medical Center

Professional Activities

  • 2021-present   Vice-chairman of the Board of Examiners, Committee for Validation and Examination of Degrees, National Institution for Academic Degrees and Quality Enhancement of Higher Education
  • 2018-2019       Vice-chairman, National Examination Committee in Radiological Technologist, MHLW in Japan
  • 2016-2017       Expert Adviser, Committee for National University Corporation Education and Research Evaluation, National Institution for Academic Degrees and Quality Enhancement of Higher Education
  • 2015-present   Examiner, Japanese Board for Medical Physicist Qualification
  • 2014-2016       Editor, Japan Society of Medical Physics
  • 2013-2018       Examiner, National Examination Committee in Radiological Technologist, MHLW in Japan
  • 2011-2012       Expert Adviser, Investigation of Deposition of Radioactive Materials, MEXT in Japan
  • 2010-2021       Expert Adviser, Committee for Validation and Examination of Degrees, National Institution for Academic Degrees and Quality Enhancement of Higher Education
  • 2010                Editor, Special Issue on Radiological Technology Research Involving Observer Performance Study, Japanese Journal of Radiological Technology
  • 2007-2012       Chief Editor, Japanese Journal of Education for Radiological Technology
  • 2007-2011        Vice-chairman, Japanese Society of Education for Radiological Technology
  • 2005-2007       Member of Awards Committee, Japanese Society of Radiological Technology
  • 2005                Editor, Special Issue on Radiological Technology in Relation to Health Science, Japanese Journal of Radiological Technology
  • 2003-2007       Leader of Project Team in Editorial Board, Japanese Journal of Radiological Technology
  • 2001-2007       Examiner, National Examination Committee in Radiological Technologist, MHLW in Japan