プロフィール

紀本　夏実（キモト　ナツミ）

学位・最終学歴 博士（保健学：金沢大学大学院医薬保健学総合研究科)
専攻・分野 放射線計測学・放射線物理学
研究テーマ フォトンカウンティング型X線画像検出器に関する研究
担当科目

放射線計測学I，放射線計測学II，現代物理学，物理学，放射線計測学実験，基礎科学実験，医療文献講読，卒業研究

業績

著書

  • 分担執筆. Emerging Radiation Detection . Iniewski Krzysztof, Harish Gadey (Editors), Natsumi Kimoto, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Tatsuya Maeda, Akitoshi Katsumata. Springer. 2024.
  • 分担執筆. CdTe and CdZnTe Materials. Iniewski Krzysztof (Editor), Hiroaki HAYASHI, Daiki KOBAYASHI, Rina NISHIGAMI, Natsumi KIMOTO, Tatsuya MAEDA, Takashi ASAHARA. Springer. 2024.

  • 分担執筆. Photon counting computed tomography: clinical applications, image reconstruction and material discrimination. Hsieh Sco, Iniewski Krzysztof (Editors), Natsumi KIMOTO, Hiroaki HAYASHI, Cheonghae LEE, Tatsuya MAEDA, Daiki Kobayashi, Rina Nishigami, Akitoshi KATSUMATA. Springer. 2023.

  • 分担執筆. Advanced X-ray radiation detection : medical imaging and industrial applications. Iniewski Krzysztof (Editor), Natsumi KIMOTO, Hiroaki HAYASHI, Cheonghae LEE, Tatsuya MAEDA, Akitoshi KATSUMATA. Springer. 2023.

  • 共著. Photon counting detectors for X-ray imaging : physics and applications. Hayashi, Hiroaki, Kimoto, Natsumi, Asahara, Takashi, Asakawa, Takumi, Lee, Cheonghae, Katsumata, Akitoshi. Springer. 2021.

  • 分担執筆. Advances in medicine and biology. Berhardt, Leon V(Editor), Hiroaki HAYASHI, Natsumi KIMOTO, Takumi ASAKAWA, Akitoshi KATSUMATA. Nova Science. 2019.

学術論文

  • 共著. Optimization of energy windows to calculate quantitative X-ray images using an energy-resolving photon-counting detector: A simulation study. Rina Nishigami, Daiki Kobayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Tomonobu Haba, Yuki Kanazawa, Shuichiro Yamamoto, Hiroaki Hayashi. Radiation Physics and Chemistry. 229, 112460-112460. 2025.
  • 共著. Determination of appropriate energy threshold range for accurate estimation of effective atomic number considering statistical uncertainty in photon‐counting techniques. Tomonobu Haba, Hiroaki Hayashi, Tsukasa Takahashi, Shota Naito, Yuichi Furukawa, Shuichiro Yamamoto, Natsumi Kimoto, Shigeki Kobayashi. Journal of Applied Clinical Medical Physics. 26:e70007. 2025.
  • 共著. A novel analytic procedure for accurate patient surface dose measurement during computed tomography examination: systematic uncertainty correction related to incident X-ray direction. Sota Goto, Maeda Tatsuya, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kazuta Yamashita, Kosaku Higashino, Takeshi Konishi, Motochika Maki, Hiroaki Hayashi. Radiation Physics and Chemistry. 230, 112551. 2025.
  • 共著. Helpfulness of effective atomic number image in forensic dental identification: Photon-counting computed tomography is suitable. Takashi Asahara, Shunsuke Okada, Hiroaki Hayashi, Tatsuya Maeda, Rina Nishigami, Daiki Kobayashi, Chihiro Kurose, Natsumi Kimoto, Sota Goto, Miki Hisatomi, Yoshinobu Yanagi, Toshihiro Iguchi. Computers in Biology and Medicine. 184, 109333-109333. 2025.
  • 共著. Effectiveness of an X-ray shielding sheet with lower shielding ability to enable both bone mineral density determination and morphological diagnosis. Tatsuya Maeda, Hiroaki Hayashi, Miku Ando, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Sota Goto, Natsumi Kimoto, Kazuki Takegami, Kazuta Yamashita, Kosaku Higashino, Shuichi Murakami, Takeshi Konishi, Motochika Maki. Radiation Measurements. 176, 107219-107219. 2024.
  • 共著. Evaluation of lower detection limit and performance analyses related to the incident angle of X-rays and absolute dose using a triple-type dosimeter. Takashi Asahara, Hiroaki Hayashi, Tatsuya Maeda, Daiki Kobayashi, Rina Nishigami, Sota Goto, Miku Ando, Natsumi Kimoto, Yuki Kanazawa, Kazuta Yamashita. Radiation Measurements. 175, 107148-107148, 2024.
  • 共著. A suitable procedure of dose reduction factor measurements of X-ray shields during computed tomography examination - The importance of considering positional changes of an X-ray tube. Hiroaki Hayashi, Tatsuya Maeda, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Sota Goto, Natsumi Kimoto, Yuki Kanazawa, Kazuta Yamashita, Kosaku Higashino, Shuichi Murakami, Takeshi Konishi, Motochika Maki. Radiation Physics and Chemistry. 222, 111880-111880, 2024.
  • 共著. Applicability of high tube voltage imaging to achieve accurate quantitative images when applying photon counting detectors to general radiography. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto. Proceedings of SPIE. 2024.
  • 共著. A blurring correction method suitable to analyze quantitative x-ray images derived from energy-resolving photon counting detector. Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. Physics in Medicine and Biology 69(7) 075023-075023. 2024.
  • 共著. Absolute measurement of bone mineral density in general radiography using energy-resolving photon-counting detector. Natsumi Kimoto, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Daiki Kobayashi, Akitoshi Katsumata, Shuichiro Yamamoto. Proceedings of IEEE. 2023.
  • 共著. Automatic determination algorithm of intrinsic parameters on response function of energy-resolving photon counting imaging detector. Cheonghae Lee, Hiroaki Hayashi, Daiki Kobayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. Proceedings of IEEE. 2023.
  • 共著. Simulation study on functional images to optimize radiographic condition using energy resolving photon counting detector. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Cheonghae Lee, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto. Proceedings of IEEE. 2023.
  • 共著. Blurring correction for calculating functional images using an energy resolving photon counting detector. Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. Proceedings of IEEE. 2023.
  • 共著. Experimental study of X-ray dose reduction factor when using various size bismuth and lead particles. Tatsuya Maeda, Hiroaki Hayashi, Cheonghae Lee, Miku Ando, Kazuki Takegami, Natsumi Kimoto, Takeshi Konishi, Shuichi Murakami, Motochika Maki, Kazuta Yamashita, Kosaku Higashino. Radiation Physics and Chemistry. 195, 110049-110049. 2022.
  • 共著. Bone and Soft-Tissue Images Extraction Through Derivation of Effective Atomic Number Image Using Photon-Counting Detector. Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Miku Ando, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. Proceedings of IEEE. 2021.
  • 共著. A novel algorithm for extracting soft-tissue and bone images measured using a photon-counting type X-ray imaging detector with the help of effective atomic number analysis. Natsumi Kimoto, Hiroaki Hayashi, Cheonghae Lee, Tatsuya Maeda, Miku Ando, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. Applied Radiation and Isotopes. 176, 109822-109822. 2021.
  • 共著. A disposable OSL dosimeter for in vivo measurement of rectum dose during brachytherapy. Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Emi Tomita, Takashi Asahara, Sota Goto, Yuki Kanazawa, Yasufumi Shitakubo, Kanako Sakuragawa, Hitoshi Ikushima, Tohru Okazaki, Takuya Hashizume. Medical Physics, 48(8), 4621-4635. 2021.
  • 共著. Effective atomic number image determination with an energy-resolving photon-counting detector using polychromatic X-ray attenuation by correcting for the beam hardening effect and detector response. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Cheonghae Lee, Takashi Asahara, Tatsuya Maeda, Sota Goto, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. Applied Radiation and Isotopes. 170, 109617-109617. 2021.
  • 共著. Evaluation of calibration factor of OSLD toward eye lens exposure dose measurement of medical staff during IVR. Takashi Asahara, Hiroaki Hayashi, Sota Goto, Natsumi Kimoto, Kazuki Takegami, Tatsuya Maeda, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume. Journal of Applied Clinical Medical Physics. 21(11), 263-271. 2020.
  • 共著. An idea to reduce angular dependence of dosimeter having a disk-shaped detection region. Sota Goto, Hiroaki Hayashi, Takashi Asahara, Natsumi Kimoto, Emi Tomita, Kazuki Takegami, Takumi Asakawa, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume. Radiation Measurements. 137, 106323-106323. 2020.
  • 共著. Dose calibration factor of an OSL dosimeter during CT examination to measure exposure dose of patients taking into consideration proper X-ray quality. Kazuki Takegami, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Emi Tomita, Natsumi Kimoto, Yuki Kanazawa, Shohei Kudomi. European Congress of Radiology (EPOS), 2020.
  • 共著. Importance of Considering the Response Function of Photon Counting Detectors with the Goal of Precise Material Identification. Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada. Proceedings of IEEE. 2019.
  • 共著. Feasibility study of photon counting detector for producing effective atomic number image. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. Proceedings of IEEE. 2019.
  • 共著. A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector. Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Hiroto Kimura, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Natsumi Kimoto, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada. Proceedings of SPIE. 2019.
  • 共著. Energy and angular dependence of the small-type OSL dosimeter in nuclear medicine regions using Monte Carlo simulation. Vergil Lorenzo E. Cruz, Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Hiroki Okino, Yuki Kanazawa, Takuya Hashizume, Ikuo Kobayashi. Progress in Nuclear Science and Technology. 6, 34-38. 2019.
  • 共著. Direct dose measurement of patients during pediatric computed tomography examination. Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Keiji Tada, Ryosuke Kasai, Yuki Kanazawa, Yoshiki Mihara, Takashi Asahara, Tohru Okazaki. Takuya Hashizume, Vergil Lorenzo E. Cruz. Progress in Nuclear Science and Technology. 6, 18-21. 2019.
  • 共著. Applicability of a practical calibration for the small-type OSL dosimeter for measuring doses from direct X-rays and penetrating X-rays affected by scattered radiation. Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kosaku Higashino, Kazuta Yamashita, Sumi Yokoyama, Kazuki Takegami, Takuya Hashizume, Vergil Lorenzo E. Cruz, Ikuo Kobayashi. Progress in Nuclear Science and Technology. 6, 22-25. 2019.
  • 共著. Exposure dose measurement during diagnostic pediatric X-ray examination using an optically stimulated luminescence (OSL) dosimeter based on precise dose calibration taking into consideration variation of X-ray spectra. Takashi Asahara, Hiroaki Hayashi, Sota Goto, Emi Tomita, Natsumi Kimoto, Yoshiki Mihara, Takumi Asakawa, Yuki Kanazawa, Akitoshi Katsumata, Kosaku Higashino, Kazuta Yamashita, Tohru Okazaki, Takuya Hashizume. Radiation Measurements. 119, 209-219. 2018.
  • 共著. Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada, Masashi Yamasaki. Proceedings of IEEE. 2018.
  • 共著. Phantom study toward accurate measurement of eye lens dose exposure of operator during transfemoral cardiac catheterization using fluoroscopy examination with an OSL dosimeter. Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Kenji Yamada, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki. European Congress of Radiology (EPOS). 2018.
  • 共著. Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number. Proceedings of IEEE. 2017.
  • 共著. Precise material identification method based on a photon counting technique with correction of the beam hardening effect in X-ray spectra. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Yoshiki Mihara, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada. Applied Radiation and Isotopes. 124, 16-26. 2017.
  • 共著. Response functions of multi-pixel-type CdTe detector: toward development of precise material identification on diagnostic x-ray images by means of photon counting Hiroaki Hayashi, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada. Proceedings of SPIE. 2017.
  • 共著. Development of a novel method based on a photon counting technique with the aim of precise material identification in clinical x-ray diagnosis. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada. Proceedings of SPIE. 2017.
  • 共著. Preliminary study for exposure dose measurement of people assisting during a pediatric X-ray procedure by means of a small-type OSL dosimeter. Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki, Takuya Hashizume. European Congress of Radiology (EPOS). 2017.
  • 共著. Fundamental Study of nanoDot OSL Dosimeters for Entrance Skin Dose Measurement in Diagnostic X-ray Examinations. Tohru Okazaki, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Ikuo Kobayashi. Journal of Radiation Protection and Research. 41(3), 229-236. 2016.
  • 共著. Entrance surface dose measurements using a small OSL dosimeter with a computed tomography scanner having 320 rows of detectors. Kazuki Takegami, Hiroaki Hayashi, Kenji Yamada, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Physics and Technology. 10(1), 49-59. 2016.
  • 共著. Estimation of identification limit for a small-type OSL dosimeter on the medical images by measurement of X-ray spectra. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Physics and Technology. 9(2), 286-292. 2016.
  • 共著. Practical method for determination of air kerma by use of an ionization chamber toward construction of a secondary X-ray field to be used in clinical examination rooms. Itsumi Maehata, Hiroaki Hayashi, Natsumi Kimoto, Kazuki Takegami, Hiroki Okino, Yuki Kanazawa, Masahide Tominaga. Radiological Physics and Technology. 9(2), 193-201. 2016.
  • 共著. Experimental evaluation of response functions of a CdTe detector in the diagnostic region with the aim of carrying out a basic experiment concerning a next generation photon counting system. Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto. European Congress of Radiology (EPOS). 2016.
  • 共著. Precise determination of the scattered X-ray contamination rate using diagnostic X-ray equipment for the construction of the secondary X-ray field. Itsumi Maehata, Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Yuki Kanazawa. European Congress of Radiology (EPOS). 2016.
  • 共著. Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. European Congress of Radiology (EPOS). 2016.
  • 共著. Fabrication and analysis of phantoms providing the equal-image-density for basic experiment of next-generation-type X-ray diagnosis. Natsumi Kimoto, Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto. European Congress of Radiology (EPOS). 2016.
  • 共著. Compact irradiation system for evaluation of basic characteristics of the nanoDot OSL dosimeter toward direct measurement of exposure dose of patients. Hiroki Okino, Hiroaki Hayashi, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. European Congress of Radiology (EPOS). 2016.
  • 共著. Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment. Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Kobayashi Ikuo. European Congress of Radiology (EPOS). 2016.
  • 共著. Uncertainty evaluation of absorbed dose measurements by means of small-type OSL dosimeter for radiotherapeutic X-ray region. TOMINAGA Masahide, HAYASHI Hiroaki, MATSUMOTO Akinori, SASAKI Motoharu, KIMOTO Natsumi, OKAZAKI Tohru, HASHIZUME Takuya, KOBAYASHI Ikuo. 医用画像情報学会雑誌. 33(2), 32-37. 2016.
  • 共著. Energy dependence measurement of small-type optically stimulated luminescence (OSL) dosimeter by means of characteristic X-rays induced with general diagnostic X-ray equipment. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Physics and Technology. 9(1), 99-108. 2015.
  • 共著. A fundamental experiment for novel material identification method based on a photon counting technique: Using conventional X-ray equipment. H. Hayashi, N. Kimoto, I. Maehata, K. Takegami, H. Okino, Y. Kanazawa, T. Yamakawa, S. Yamamoto, M. Yamasaki, M. Okada. Proceedings of IEEE. 2015.
  • 共著. Practical calibration curve of small-type optically stimulated luminescence (OSL) dosimeter for evaluation of entrance skin dose in the diagnostic X-ray region. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Ikuo Kobayashi. Radiological Physics and Technology. 8(2), 286-294. 2015.
  • 共著. Proposal of efficient irradiation system of small type OSL dosimeter for photon beams between 100-2000 keV. H. Okino, Hiroaki Hayashi, K. Takegami, N. Kimoto, I. Maehata, Yuki Kanazawa, T. Okazaki, T. Hasizume, I. Kobayashi. KEK proceedings. 2015(6), 1-10, 2015.
  • 共著. Development of leaf electroscope to understand ionization for novice practical training. Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Itsumi Maehata, Yuki Kanazawa. European Congress of Radiology (EPOS). 2015.
  • 共著. Computed Radiography システムの入出力特性を取得するための改良型マルチスリット装置の製作: ヒール効果の影響の補正と高管電圧実験への適用. 前畑 伊採, 林 裕晃, 竹上 和希, 氏田 将平, 紀本 夏実, 小西 有貴, 福田 郁磨. 日本放射線技術学会雑誌. 70(9), 867-876. 2014.
  • 共著. 動的マルチスリットを用いたコンピューティッドラジオグラフィシステムの特性曲線の取得. 竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴. 医用画像情報学会雑誌. 30(3), 53-56. 2013.
  • 共著. 輝尽性蛍光体プレートに対する入出力特性の測定のための一体型マルチスリット装置の製作. 紀本 夏実, 林 裕晃, 前畑 伊採, 野々宮 泉, 竹上 和希, 小西 有貴, 氏田 将平, 福田 郁磨 日本放射線技術学会雑誌. 69(10), 1165-1171. 2013.

その他

  • (国際学会) Development of active-type OSL dosimeter for measuring patient surface dose during CT examinations. Sota Goto, Takuya Kasue, Keiji Takahisa, Tatsuya Maeda, Kazuki Takegami, Takashi Asahara, Natsumi Kimoto, Hiroaki Hayashi. 21st International Conference on Solid State Dosimetry (SSD21). 2025年6月.
  • (国際学会) X-ray dose determination of medical staff during fluoroscopic examination: A novel wearable dosimeter system that can analyze incident direction of radiation. Takashi Asahara, Tatsuya Maeda, Rina Nishigami, Daiki Kobayashi, Sota Goto, Natsumi Kimoto, Kazuki Takegami, Mitsugi Honda, Toshihiro Iguchi, Hiroaki Hayashi. 21st International Conference on Solid State Dosimetry (SSD21). 2025年6月.
  • (国際学会) Technological development of the relationship measurement between surface and internal doses during helical CT examinations: a phantom study. Kazuki Takegami, Tatsuya Maeda, Sota Goto, Takashi Asahara, Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Hiroaki Hayashi. 21st International Conference on Solid State Dosimetry (SSD21). 2025年6月.
  • (国際学会) Impact of different X-ray tube positions on dose measurement results during CT examinations. Hiroaki Hayashi, Tatsuya Maeda, Kazuki Takegami, Sota Goto, Rina, Nishigami, Daiki Kobayashi, Takashi Asahara, Natsumi Kimoto, Yuki, Kanazawa, Kazuta Yamashita, Takeshi Konishi, Motochika Maki. 21st International Conference on Solid State Dosimetry (SSD21). 2025年6月.
  • (国際学会) Novel procedure to derive relationship between surface and internal doses taking into consideration X-ray incident direction during helical CT examinations. Kazuki Takegami, Tatsuya Maeda, Sota Goto, Takashi Asahara, Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Hiroaki Hayashi. The 4th International Conference on Radiological Physics and Technology. 2025年4月.
  • (国際学会) Effective Atomic Number Score in Calcified Plaque Evaluation: Approach Using Photon-Counting CT. Takashi Asahara, Mana Ikegami, Natsumi Kimoto, Rina Nishigami, Yusuke Morimitsu, Noriaki Akagi, Mitsugi Honda, Tohru Miyoshi, Hiroaki Hayashi, Toshihiro Iguchi. The 4th International Conference on Radiological Physics and Technology. 2025年4月.
  • (国際学会) A novel algorithm for generating virtual high-contrast images based on X-ray attenuation analysis using an energy-resolving photon-counting detector. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Sota Goto, Yuki Kanazawa, Tomonobu Haba, Shuichiro Yamamoto. The 4th International Conference on Radiological Physics and Technology. 2025年4月.
  • (国際学会) Dental forensic application of effective atomic number images generated using photon-counting CT. Takashi Asahara, Hiroaki Hayashi, Shunsuke Okada, Chihiro Yamaguchi, Natsumi Kimoto, Sota Goto, Rina Nishigami, Yusuke Morimitsu, Toshihiro Iguchi. European congress of radiology (ECR). 2025年2月.
  • (国際学会) Patient CT dosimetry using an OSL dosimeter with consideration for X-ray incident direction. Hiroaki Hayashi, Sota Goto, Tatsuya Maeda, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Natsumi Kimoto, Yuki Kanazwa. European congress of radiology (ECR). 2025年2月.
  • (国際学会) Functional imaging using energy-resolving photon counting detector at the high-counting-rate clinical condition. Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Tatsuya Maeda, Sota Goto, Akitoshi Katsumata, Shuichiro Yamamoto, Hiroaki Hayashi. European congress of radiology (ECR). 2025年2月.
  • (国際学会) How can we use effective atomic number information generated by photon-counting computed tomography? – A proposal for application to dental forensics –. Takashi Asahara, Hiroaki Hayashi, Shunsuke Okada, Tatsuya Maeda, Natsumi Kimoto, Rina Nishigami, Daiki Kobayashi, Chihiro Yamaguchi, Yusuke Morimitsu, Noriaki Akagi, Toshihiro Iguchi. Radiological Society of North America (RSNA). 2024年12月.
  • (国内学会) 光子計数型の新しい医療用X 線画像検出器の開発に向けた基礎研究. 西上莉奈, 林裕晃, 小林大空, 前田達哉, 淺原孝, 金澤裕樹, 紀本夏実, 山本修一郎. 金沢大学イノベーションシンポジウム. 2024年12月.
  • (国際学会) System design to realize functional and conventional images during single X-ray irradiation using a photon counting detector. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto. The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2024年11月.
  • (国際学会) Pulse Pile-up Correction of Objects with Various Atomic Numbers for Clinical Applications Using a Photon Counting Detector. Natsumi Kimoto, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Shuichiro Yamamoto. The 2024 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2024年11月.
  • (国内学会) 開発中のエネルギー弁別型フォトンカウンティングマンモグラフィ装置のディープラーニングを用いた画質改善. 森開登, 恒川敏之, 小山修司, 紀本夏実, 山本修一郎, 小寺吉衞. 第1回日本放射線医療技術学術大会(第52回日本放射線技術学会秋季学術大会). 2024年11月.
  • (国際学会) A correction method for image blurring to derive accurate quantitative material information using an energy resolving photon counting detector. Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024年4月.
  • (国際学会) Suitability of High Tube Voltage Imaging for General Radiography When Using Energy Resolving Photon Counting Detectors. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Tomonobu Haba, Natsumi Kimoto, Shuichiro Yamamoto. The 3rd International Conference on Radiological Physics and Technology (ICRPT). 2024年4月.
  • (国際学会) Applicability of high tube voltage imaging to achieve accurate quantitative images when applying photon counting detectors to general radiography. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto. SPIE Medical Imaging. 2024年2月.
  • (国際学会) Absolute measurement of bone mineral density in general radiography using energy-resolving photon-counting detector. Natsumi Kimoto, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Daiki Kobayashi, Akitoshi Katsumata, Shuichiro Yamamoto. The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2023年11月.
  • (国際学会) Automatic determination algorithm of intrinsic parameters on response function of energy-resolving photon counting imaging detector. Cheonghae Lee, Hiroaki Hayashi, Daiki Kobayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2023年11月.
  • (国際学会) Simulation study on functional images to optimize radiographic condition using energy resolving photon counting detector. Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Cheonghae Lee, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto. The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2023年11月.
  • (国際学会) Will general radiography become more valuable when exploiting the performance of a photon counting detector? Daiki KOBAYASHI, Hiroaki HAYASHI, Rina NISHIGAMI, Cheonghae LEE, Tatsuya MAEDA, TAKASHI ASAHARA, Yuki KANAZAWA, Akitoshi KATSUMATA, Natsumi KIMOTO, Shuichiro YAMAMOTO. The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America. 2023年11月.
  • (国際学会) Blurring correction for calculating functional images using an energy resolving photon counting detector. Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference. 2023年10月.
  • (国際学会) Suitability of High-Tube-Voltage Imaging When Using Energy Resolving Photon Counting Detector (ERPCD): Simulation Study. Rina Nishigami, Hiroaki Hayashi, Cheonghae Lee, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Tomonobu Haba, Natsumi Kimoto, Shuichiro Yamamoto. The 2nd International Conference on Radiological Physics and Technology (ICRPT). 2023年4月.
  • (国際学会) A correction method for object edge blurring that is effective for quantitative analysis using photon counting imaging. Daiki Kobayashi, Hiroaki Hayashi, Cheonghae Lee, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto. The 2nd International Conference on Radiological Physics and Technology (ICRPT). 2023年4月.
  • (国際学会) Bone and soft-tissue image generation method based on one shot X-ray exposure using a photon-counting detector. Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto. The 1st International Conference on Radiological Physics and Technology (ICRPT). 2022年4月.
  • (国際学会) What Information Can We Derive From In-vivo Rectum Dose Measurement During RALS Irradiation? Hiroaki HAYASHI, Natsumi KIMOTO, Tatsuya MAEDA, Takashi ASAHARA, Sota GOTO, Cheonghae Lee, Miku ANDO, Yuki KANAZAWA, Hitoshi IKUSHIMA, Tohru OKAZAKI, Takuya HASHIZUME. RSNA2021. 2021年11月.
  • (国際学会) Bone and soft-tissue images extraction through derivation of effective atomic number image using photon-counting detector. Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Tatsuya Maeda, Miku Ando, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. IEEE(MIC). 2021年10月.
  • (国内学会) Simulation Study to Calculate Shielding Rate for the Development of Three-Dimensional Non-Uniform Shielding Material. Tatsuya Maeda, Hiroaki Hayashi, Natsumi Kimoto, Cheonghae Lee, Motochika Maki, Takeshi Konishi, Syuichi Murakami. 第77回日本放射線技術学会総会学術大会. 2021年4月.
  • (国内学会) Precise Energy Calibration Procedure for X-ray Imaging Detector Using Polychromatic X-ray Spectrum. Cheonghae Lee, Hiroaki Hayashi, Natsumi Kimoto, Takumi Asakawa, Shuichiro Yamamoto, Masahiro Okada. 第77回日本放射線技術学会総会学術大会. 2021年4月.
  • (国際学会) How can we perform actual dose measurement? Clinically applicable procedures and its impact. Takashi Asahara, Hiroaki Hayashi, Natsumi Kimoto, Sota Goto, Kazuki Takegami, Tatsuya Maeda, Cheonghae Lee, Yuki Kanazawa, Kazuta Yamashita, Kosaku Higashino. RSNA2020. 2020年12月.
  • (国内学会) Sensitivity Analysis of Parameters When Calculating the Shielding Rate Using Monte-Carlo Simulation and Experimentation. Tatsuya Maeda, Hiroaki Hayashi, Takumi Uehara, Kazuki Takegami, Natsumi Kimoto, Motochika Maki, Takeshi Konishi. 第76回日本放射線技術学会総会学術大会. 2020年4月.
  • (国内学会) A Novel Algorithm for Material Identification Based on a Photon Counting Technique -Toward the Development of a Quantitative Plain X-ray Diagnosis Using an Effective Atomic Number Image-. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. 第76回日本放射線技術学会総会学術大会. 2020年4月.
  • (国際学会) Dose calibration factor of an OSL dosimeter during CT examination to measure exposure dose of patients taking into consideration proper X-ray quality. Kazuki Takegami, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Emi Tomita, Natsumi Kimoto, Yuki Kanazawa, Shohei Kudomi. ECR2020. 2020年3月.
  • (国際学会) Optimizing the imaging conditions of energy resolved photoncounting mammography by simulating the characteristics of an actual detector. H. Kimura, S. Koyama, Y. Kodera, H. Hayashi, N. Kimoto, H. Nishide, S, Yamamoto, M. Okada, D. Hashimoto. ECR2020. 2020年3月.
  • (国際学会) Photon counting technique: How to analyze a novel quantitative image? Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Yuki Kanazawa, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada. RSNA2019. 2019年12月.
  • (国際学会) Feasibility study of photon counting detector for producing effective atomic number image. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Yuki Kanazawa, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. IEEE Nuclear Science Symposium and Medical Imaging Conference. 2019年10月.
  • (国際学会) Importance of considering the response function of photon counting detectors with the goal of precise material identification. Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Tatsuya Maeda, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada. IEEE Nuclear Science Symposium and Medical Imaging Conference. 2019年10月.
  • "(国内研究会) 医療用連続X線を用いたフォトンカウンティング検出器による実効原子番号画像. 紀本夏実, 林裕晃, 淺川巧, 淺原孝, 前田達哉, 金澤裕樹, 勝又明敏, 山本修一郎, 岡田雅宏 第2回量子線イメージング研究会. 2019年9月."
  • (国際学会) Novel Disk-Shaped OSL Dosimeter Having Smaller Angular Dependence. Sota GOTO, Hiroaki HAYASHI, Emi TOMITA, Takashi ASAHARA, Natsumi KIMOTO, Yuki KANAZAWA, Hidetoshi YAMAGUCHI, Morihito SHIMIZU. 19th International Conference on Solid State Dosimetry (SSD19). 2019年9月.
  • (国際学会) Development of a Clinically Applicable Rectum Dosimeter for Brachytherapy using an Optically Stimulated Luminescence Dosimeter. Emi Tomita, Hiroaki Hayashi, Takashi Asahara, Natsumi Kimoto, Sota Goto, Yuki Kanazawa, Yasufumi Shitakubo, Kanako Sakuragawa, Hitoshi Ikushima, Tohru Okazaki, Takuya Hashizume. 19th International Conference on Solid State Dosimetry (SSD19). 2019年9月.
  • (国際学会) Practical calibration curve for a small-type OSL dosimeter to measure exposure dose of patients during medical X-ray diagnosis. Kazuki Takegami, Hiroaki Hayashi, Natsumi Kimoto, Sota Goto, Emi Tomita, Asahara Takashi, Yoshiki Mihara, Yuki Kanazawa. 19th International Conference on Solid State Dosimetry (SSD19). 2019年9月.
  • (国際学会) Precise dose calibration method of OSL dosimeter with help of X-ray spectra toward exposure dose evaluation of eye lens. Takashi Asahara, Hiroaki Hayashi, Sota Goto, Emi Tomita, Natsumi Kimoto, Takumi Asakawa, Kazuki Takegami, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume. 19th International Conference on Solid State Dosimetry (SSD19). 2019年9月.
  • (国内学会) 歯科X線診断の定量解析法の開発：フォトンカウンティング型イメージング検出器. 紀本夏実, 林裕晃, 勝又明敏, 山本修一郎. 日本歯科放射線学会第60回学術大会. 2019年6月.
  • (国内学会) Monte-Carlo Simulation of Photon Counting Detector towards Production of Effective Atomic Number Images Using Continuous X-rays. Takumi Asakawa, Hiroaki Hayashi, Natsumi Kimoto, Takashi Asahara, Emi Tomita, Shuichiro Yamamoto, Masahiro Okada. 第75回放射線技術学会総会学術大会. 2019年4月.
  • (国際学会) Effective atomic number image produced with energy-resolved photon counting detector toward the development of next-generation plain X-ray diagnosis. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada. European Congress of Radiology. 2019年3月.
  • (国際学会) Actual dose measurements of assistant during pediatric X-ray examination with a precisely calibrated optically stimulated luminescence dosimeter. Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Yoshiki Mihara, Sota Goto, Yuki Kanazawa, Natsumi Kimoto, Takumi Asakawa, Tohru Okazaki. European Congress of Radiology. 2019年3月.
  • (国際学会) A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector. Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Hiroto Kimura, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Natsumi Kimoto, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada. SPIE Medical Imaging. 2019年2月.
  • (国際学会) Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yuki Kanazawa, Shuichiro Yamamoto, Masahiro Okada, Masashi Yamasaki. 25th International Symposium on Room-Temperature Semiconductor X-ray & Gamma-ray Detectors, IEEE(MIC). 2018年11月.
  • (国際学会) Evaluating the energy dependence of the small type Optically Stimulated Luminescence (OSL) “nanoDot” dosimeters in the energy region of diagnostic X-rays by using Monte Carlo Simulation. Vergil L E Cruz, Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Cheng Wei Hsin. 18th Asia-Oceania Congress of Medical Physics (AOCMP). 2018年11月.
  • (国際学会) Trial study for development of a novel-formed dosimeter having lower angular dependence. Sota GOTO, Hiroaki HAYASHI, Emi TOMITA, Natsumi KIMOTO, Takumi UEHARA, Yuki KANAZAWA, Takumi ASAKAWA, Takashi ASAHARA, Tohru OKAZAKI, Takuya HASHIZUME. 18th Asia-Oceania Congress of Medical Physics (AOCMP). 2018年11月.
  • (国内学会) 角度依存性の少ない小型OSL線量計の開発に向けた一考察. 後藤聡汰, 林裕晃, 冨田恵美, 上原匠, 紀本夏実, 金澤裕樹, 岡崎徹, 橋詰拓弥. 第46回日本放射線技術学会秋季学術大会. 2018年10月.
  • (国際学会) Proper Calibration Factor of Small Type OSL Dosimeter for Evaluating Eye Lens Dose of Operators during X-ray Fluoroscopic Procedure. Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Vergil LE Cruz, Cheng Wei Hsin, Sumi Yokoyama. 5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5). 2018年5月.
  • (国際学会) Radiation dose measurement in pediatric CT examination using nanoDot dosimeters, a small type Optically Stimulated Luminescence (OSL) dosimeter. Vergil Lorenzo, Estacio Cruz, Hiroaki Hayashi, Emi Tomita, Yuki Kanazawa, Sota Goto, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Keiji Tada, Ryosuke Kasai, Kosaku Higashino, Kazuta Yamashita, Tohru Okazaki, Takuya Hashizume. 5th Asian and Oceanic IRPA Regional Congress on Radiation Protection (AOARP5). 2018年5月.
  • (国内学会) Potentiality of Effective Atomic Number Image Based on Photon Counting Technique for Achieving Proper Diagnosis Using Plain X-ray. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Akitoshi Katsumata, Tsutomu Yamakawa, Shuichiro Yamamoto, Masahiro Okada. 第74回日本放射線技術学会総会学術大会(Next Generation Session & 一般口頭発表). 2018年4月.
  • (国際学会) Phantom study using an OSL dosimeter with the aim of accurate measurement of eye lens dose exposure of operator during transfemoral cardiac catheterization using fluoroscopic examination. Takashi Asahara, Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Kenji Yamada, Sumi Yokoyama, Yuki Kanazawa, Tohru Okazaki. European Congress of Radiology. 2018年3月.
  • (国際学会) Preliminary study for eye lens dose evaluation of the medical staff during interventional fluoroscopy using Optically Stimulated Luminescence dosimeters. Tohru Okazaki, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Yoshiki Mihara, Emi Tomita, Yuki Kanazawa, Natsumi Kimoto, Takuya Hashizume, Vergil L E Cruz, Cheng Wei Hsin, Sumi Yokoyama, Ikuo Kobayashi. 51st Annual meeting of Taiwan Society of Radiation Technology. 2018年3月.
  • (国際学会) 評估患者狀況的差異對小兒電腦斷層掃描(CT)檢查期間使用小型光刺激發光(OSL)劑量計(nanoDot)做直接劑量測量之影響. Cheng Wei Hsin, Hiroaki Hayashi, Emi Tomita, Keiji Tada, Yoshiki Mihara, Natsumi Kimoto, Ryosuke Kasai, Yuki Kanazawa, Vergil L E Cruz, Takuya Hashizume, Ikuo Kobayashi. 51st Annual meeting of Taiwan Society of Radiation Technology. 2018年3月.
  • (国際学会) Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region. Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Society of North America (RSNA). 2017年12月.
  • (国際学会) Development of a new in-vivo measurement system by means of OSL dosimeters during brachytherapy for cervical cancer. Hiroaki Hayashi, Tomita Emi, Asahara Takashi, Shitakubo Yasufumi, Sakuragawa Kanako, Saegusa Hiroshi, Hitoshi Ikushima, Yuki Kanazawa, Goto Sota, Kimoto Natsumi, Mihara Yoshiki, Miyahara Yoshinori, Okazaki Tohru, Hashizume Takuya, Cruz Lorenzo, Estacio Vergil. Radiological Society of North America (RSNA). 2017年11月.
  • (国際学会) Potential of photon counting technique for next-generation type X-ray diagnostic system -To provide new medical image concerning effective atomic numbers using plain X-ray-. Kimoto Natsumi, Hiroaki Hayashi, Asahara Takashi, Tomita Emi, Goto Sota, Mihara Yoshiki, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro, Hashimoto Daisuke. Radiological Society of North America (RSNA). 2017年11月.
  • (国際学会) Practical phantom study using small-type OSL dosimeter toward direct dose measurement during pediatric CT examination. Tohru Okazaki, Hiroaki Hayashi, Emi Tomita, Sota Goto, Keiji Tada, Yoshiki Mihara, Natsumi Kimoto, Ryosuke Kasai, Yuki Kanazawa, Cruz LE Vergil, Takuya Hashizume, Hsin Wei Cheng, Ikuo Kobayashi. AOCMP-AMPICON 2017. 2017年11月.
  • (国際学会) Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Emi Tomita, Sota Goto, Yoshiki Mihara, Kanazawa Yuki, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada, Daisuke Hashimoto. 2017 IEEE Nuclear Science Symposium, Medical Imaging Conference. 2017年10月.
  • (国際学会) Precise calibration factor of small-type OSL dosimeter with the aim toward analysis of exposure doses caused by scattering X-ray in the diagnostic region. Yoshiki Mihara, Hiroaki Hayashi, Takashi Asahara, Sota Goto, Natsumi Kimoto, Yuki Kanazawa and Tohru Okazaki. The 3rd International Conference on Radiological Science and Technology. 2017年10月.
  • (国際学会) Direct Dose Measurement of Patients during Pediatric Computed Tomography Examination. Hiroaki Hayashi, Emi Tomita, Sota Goto, Natsumi Kimoto, Keiji Tada, Ryosuke Kasai, Yuki Kanazawa, Yoshiki Mihara, Takashi Asahara, Tohru Okazaki, Takuya Hashizume, Cruz LE Vergil. International Symposium On Radiation Safety and Detection Technology (ISORD-9). 2017年7月.
  • (国際学会) Applicability of Practical Calibration of a Small-type OSL Dosimeter For Measuring the Exposure Doses Effected by Scattered and Penetrating X-rays. Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Sumi Yokoyama, Kazuki Takegami, Takuya Hashizume, Cruz LE Vergil. International Symposium On Radiation Safety and Detection Technology (ISORD-9). 2017年7月.
  • (国際学会) Energy and Angular Dependence of the small type OSL Dosimeter in Diagnostic and Nuclear Medicine Regions using Monte Carlo Simulation. Cruz Lorenzo E. Vergil, Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Hiroki Okino, Yuki Kanazawa, Takuya Hashizume, Ikuo Kobayashi. International Symposium On Radiation Safety and Detection Technology (ISORD-9). 2017年7月.
  • (国内学会) 小型OSL線量計を用いた新生児CT撮影時における入射表面線量の実測への検討. 岡崎 徹, 橋詰 拓弥, Vergil Cruz, 林 裕晃, 冨田 恵美, 後藤 聡汰, 笠井 亮佑, 紀本 夏実, 三原 由樹, 淺原 孝, 多田 佳司, 小林 育夫. 日本保健物理学会第50回研究発表会 日本放射線安全管理学会第16回学術大会 合同大会. 2017年6月.
  • (国内学会) 放射線診断における被ばく線量の実測に向けた小型OSL線量計の線量校正の信頼性評価. 岡崎 徹, 橋詰 拓弥, Vergil Cruz, 林 裕晃, 冨田 恵美, 後藤 聡汰, 紀本 夏実, 三原 由樹, 淺原 孝, 竹上 和希, 小林 育夫. 日本保健物理学会第50回研究発表会 日本放射線安全管理学会第16回学術大会 合同大会. 2017年6月.
  • (国内学会) Simulation study for effective reduction procedure of scattered Xrays toward high accuracy material identification based on photon counting technique. Takashi Asahara, Kimoto Natsumi, Hiroaki Hayashi, Yuki Kanazawa, Katsumata Akitoshi, Nishiyama Wataru, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro. 第113回日本医学物理学会学術大会. 2017年4月.
  • (国際学会) Preliminary study for exposure dose measurement of people assisting during a pediatric X-ray procedure by means of a small-type OSL dosimeter. Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki, Takuya HashizumeHiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Takashi Asahara, Kenji Yamada, Yuki Kanazawa, Masafumi Harada, Tohru Okazaki, Takuya Hashizume. European Congress of Radiology. 2017年3月.
  • (国際学会) 小型光刺激發光劑量計測量診斷範圍之輻射劑量的可能性評估. Hsin Wei Cheng, Hiroaki Hayashi, Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. The 50th Annual Meeting of TWSRT and the International Conference of Medical Imaging. 2017年3月.
  • (国際学会) Reliability of the dose calibration of small-type Optically Stimulated Luminescence dosimeter for diagnostic X-rays. Tohru Okazaki, Hiroaki Hayashi, Mihara Yoshiki, Tomita Emi, Goto Sota, Kimoto Natsumi, Takegami Kazuki, Takuya Hashizume, hsin Wei Cheng, Cruz Lorenzo, Estacio Vergil, Kobayashi Ikuo. The 50th Annual Meeting of TWSRT and the International Conference of Medical Imaging. 2017年3月.
  • (国際学会) Response functions of multi-pixel type CdTe detector, --- toward development of precise material identification in diagnosti x-ray images by means of photon counting ---. Hiroaki Hayashi, Asahara Takashi, Kimoto Natsumi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro. SPIE Medical Imaging. 2017年2月.
  • (国際学会) Development of a novel method based on a photon counting technique with the aim of precise material identification in clinical X-ray diagnosis. Kimoto Natsumi, Hiroaki Hayashi, Asahara Takashi, Yuki Kanazawa, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasaki Masashi, Okada Masahiro. SPIE Medical Imaging. 2017年2月.
  • (国際学会) Convenient measurement method using small-type OSL dosimeters for evaluation of doses in CT scans: uncertainty evaluation, entrance-skin dose of phantom, and organ dose of cadaver. Hiroaki Hayashi, Kazuki Takegami, Kenji Yamada, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Yamashita Kazuta, Fumio Hayashi, Yoshihiro Fukui, Koichi Sairyo, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Society of North America (RSNA). 2016年12月.
  • (国際学会) Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region. Kazuki Takegami, Hiroaki Hayashi, Natumi Kimoto, Yoshiki Mihara, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Fumio Hayashi, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. Radiological Society of North America (RSNA). 2016年12月.
  • (国際学会) Basic study for material identification toward development of a next generation type X-ray diagnosis detector based on a photon counting technique. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Yoshiki Mihara, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada. 22nd International Conference on Medical Physics ICMP. 2016年12月.
  • (国際学会) Universal dose calibration of the small-type OSL dosimeter for diagnostic X-rays - direct, scattered and penetrating X-rays -. Tohru Okazaki, Hiroaki Hayashi, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi, Reginaldo A. Kaila Ann Mary. 22nd International Conference on Medical Physics ICMP. 2016年12月.
  • (国際学会) Calculation of energy and angular dependences of the small-type OSL dosimeter in the diagnostic and nuclear medicine regions using the Monte-Carlo simulation code. Tohru Okazaki, Hiroaki Hayashi, Hiroki Okino, Yoshiki Mihara, Takashi Asahara, Natsumi Kimoto, Yuki Kanazawa, Kazuki Takegami, Takuya Hashizume, Ikuo Kobayashi, Reginaldo A. Kaila Ann Mary. 22nd International Conference on Medical Physics ICMP. 2016年12月.
  • (国際学会) Uncertainty estimation of dose measured with a small-type optically stimulated luminescence dosimeter for CT scanning, --- Basic study for estimating entrance skin dose and internal organ dose ---. Hiroaki Hayashi, Tohru Okazaki, Yoshiki Mihara, Kenji Yamada, Natsumi Kimoto, Kazuki Takegami, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Takuya Hashizume, Ikuo Kobayashi, Mary A. Kaila Ann Reginaldo. 22nd International Conference on Medical Physics ICMP. 2016年12月.
  • (国内学会) Basic study for internal dose evaluation of CT examination by means of small-type OSL dosimeter. Yoshiki Mihara, Kenji Yamada, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Kousaku Higashino, Tohru Okazaki, Takuya Hashizume. 第44回日本放射線技術学会秋季学術大会. 2016年10月.
  • (国内学会) 診断用X線に対する小型OSL線量計の測定下限値の評価. 三原 由樹, 紀本 夏実, 林 裕晃, 金澤 裕樹, 東野 恒作, 竹上 和希, 岡崎 徹, 橋詰 拓弥. 第44回日本放射線技術学会秋季学術大会. 2016年10月.
  • (国内学会) Study to expand the dose calibration curve of small-type OSL dosimeter toward scattered and penetrating X-rays for management of radiation exposure in the diagnostic region. Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Kousaku Higashino, Kazuta Yamashita, Tohru Okazaki, Takuya Hashizume. 第44回日本放射線技術学会秋季学術大会. 2016年10月.
  • (国内学会) 小型OSL線量計を用いたCTスキャンにおける入射皮膚線量実測の有用性. 竹上 和希, 三原 由樹, 紀本 夏実, 山田 健二, 林 裕晃, 金澤 裕樹, 東野 恒作, 岡崎 徹, 橋詰 拓弥. 第44回日本放射線技術学会秋季学術大会. 2016年10月.
  • (国内学会) 小型OSL線量計を用いた小児X線撮影における介助者被ばく実測に向けた現状と課題. 林 裕晃, 三原 由樹, 淺原 孝, 紀本 夏実, 金澤 裕樹, 山田 健二, 笠井 亮佑, 岡崎 徹, 橋詰 拓弥, 小林 育夫. 医用画像情報学会(MII)平成28年度秋季(第176回)大会. 2016年10月.
  • (国内学会) 診断用X線に対する小型OSL線量計の実用校正の信頼性. 岡崎 徹, 橋詰 拓弥, 三原 由樹, 紀本 夏実, 林 裕晃, 竹上 和希, 小林 育夫. 第112回医学物理学会学術大会. 2016年9月.
  • (国内学会) X線診断における皮膚表面線量の実測に向けた小型OSL線量計の基礎特性. 岡崎 徹, 橋詰 拓弥, 三原 由樹, 紀本 夏実, 林 裕晃, 竹上 和希, 小林 育夫. 第112回医学物理学会学術大会. 2016年9月.
  • (国内研究会) Fundamental study for material identification to develop next generation type X-ray diagnosis. Natsumi Kimoto, Takashi Asahara, Hiroaki Hayashi, Yamakawa Tsutomu, Yamamoto Shuichiro, Yamasashi Masaki, Okada Masahiro. Tokushima Bioscience Retreat. 2016年9月.
  • (国内学会) 診断領域X線による介助者被ばくの実測に向けた小型OSL線量計の読取装置の改良. 三原 由樹, 紀本 夏実, 沖野 啓樹, 林 裕晃, 金澤 裕樹, 東野 恒作, 竹上 和希, 岡崎 徹, 橋詰 拓弥. 医用画像情報学会平成28年度年次(第175回)大会. 2016年6月.
  • (国際学会) Small size OSL dosimeter to measure patient exposure dose in X-ray diagnosis - Evaluation of invisibility -. Tohru Okazaki, Hiroaki Hayashi, Kazuki Takegami, Yoshiki Mihara, Natsumi Kimoto, Yuki Kanazawa, Takuya Hashizume, Ikuo Kobayashi. 14th international congress of the international radiation protection association. 2016年5月.
  • (国内学会) Practical calibration curve for entrance-skin dose measurement using small-type OSL dosimeter. Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki, Ikuo Kobayashi. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) Fabrication of the equal-image-density materials for basic experiment of next-generation-type X-ray diagnosis system. Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Hiroaki Hayashi, Yuki Kanazawa, Tsutomu Yamakawa, Yamamoto Shuichiro. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) 初学者の電離作用の理解に向けた箔検電器の開発. 紀本 夏実, 沖野 啓樹, 竹上 和希, 林 裕晃, 金澤 裕樹. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) EGS5を用いた核医学検査領域における小型OSL線量計の検出効率の評価. 沖野 啓樹, 竹上 和希, 紀本 夏実, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) Phantom Study for Entrance-Skin Doses Measurement in the Diagnostic X-ray Region using a Small-type OSL dosimeter Comparison of the doses measured with other detectors-. Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Hiroaki Hayashi, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) 小型OSL線量計を用いた137Csと90Srの分離測定に関する基礎的研究. 沖野 啓樹, 竹上 和希, 紀本 夏実, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥. 第72回日本放射線技術学会学術大会. 2016年4月.
  • (国内学会) Proposal of a New Analytic Method for the Determination of Both Atomic Number and Sample Thickness Based on a Photon Counting Technique Using Diagnostic X-rays. Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Hiroaki Hayashi, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto. 第72回日本放射線技術学会学術大会_Next Generation Session(学生選抜セッション&一般口頭発表). 2016年4月.
  • (国際学会) Experimental evaluation of response functions of a CdTe detector in the diagnostic region with the aim of carrying out a basic experiment concerning a next generation photon counting system. Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto. European Congress of Radiology. 2016年3月.
  • (国際学会) Proposal of quantitative identification method of a small-type OSL dosimeter: Verification that the dosimeter is not detected in the medical image. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. European Congress of Radiology. 2016年3月.
  • (国際学会) Fabrication and analysis of phantoms providing the equal-image-density for basic experiment of next-generation-type X-ray diagnosis. Natsumi Kimoto, Hiroaki Hayashi, Hiroki Okino, Kazuki Takegami, Itsumi Maehata, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto. European Congress of Radiology. 2016年3月.
  • (国際学会) Precise determination of the scattered X-ray contamination rate using diagnostic X-ray equipment for the construction of the secondary X-ray field. Itsumi Maehata, Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Kazuki Takegami, Yuki Kanazawa. European Congress of Radiology. 2016年3月.
  • (国際学会) Evaluation of energy dependence of nanoDot optically stimulated luminescence (OSL) dosimeter using characteristic X-ray induced by medical X-ray equipment. Tohru Okazaki, Takuya Hashizume, Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Kobayashi Ikuo. European Congress of Radiology. 2016年3月.
  • (国際学会) Compact irradiation system for evaluation of basic characteristics of the nanoDot OSL dosimeter toward direct measurement of exposure dose of patients. Hiroki Okino, Hiroaki Hayashi, Kazuki Takegami, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Takuya Hashizume, Ikuo Kobayashi. European Congress of Radiology. 2016年3月.
  • (国際学会) Development of leaf electroscope to understand ionization for novice practical training. Hiroaki Hayashi, Natsumi Kimoto, Hiroki Okino, Itsumi Maehata, Kazuki Takegami, Yuki Kanazawa. European Congress of Radiology. 2016年3月.
  • (国内学会) OSL線量計の診断領域X線に対する基礎実験 --線量計着用における医用画像への影響評価--. 橋詰 拓弥, 岡崎 徹, 竹上 和希, 林 裕晃, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫. 日本放射線安全管理学会第14回学術大会. 2015年12月.
  • (国内学会) nanoDot OSL線量計の診断用X線領域におけるエネルギー依存性. 岡崎 徹, 橋詰 拓弥, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 金澤 裕樹, 小林 育夫. 日本放射線安全管理学会第14回学術大会. 2015年12月.
  • (国際学会) Precise measurement of the angular and energy dependences of small-type OSL dosimeter in the diagnostic energy region. Hiroaki Hayashi, Kazuki Takegami, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Ikuo Kobayashi. RSNA2015. 2015年11月.
  • (国内学会) 自作箔検電器を用いた初学者の物理教育-電離作用の理解に向けて-. 林 裕晃, 金澤 裕樹, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採. 第43回放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) Basic study for calculation of exposure dose of small type OSL dosimeter for high energy photon beam by means of simulation code(EGS5). 沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) CRシステムを用いた診断領域の散乱X線可視化装置の開発. 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) Measurement of energy dependence for small type OSL dosimeter by means of diagnostic X-ray equipment. 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) Basic research for clinical application of the OSL dosimeter in the diagnostic region -Estimation of irradiation conditions not to identify the dosimeter on the medical image-. 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) High accuracy measurement of contamination rate of scattered X-ray in air-kerma to construct secondary standard using diagnostic X-ray apparatus. 前畑 伊採, 林 裕晃, 紀本 夏実, 竹上 和希, 沖野 啓樹, 金澤裕樹. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) Two dimensional material identification method based on a photon counting technique using low-energy X-ray spectrum. 紀本 夏実, 前畑 伊採, 竹上 和希, 沖野 啓樹, 林 裕晃, 金澤裕樹, 山河 勉. 第43回日本放射線技術学会秋季学術大会. 2015年10月.
  • (国内学会) A Fundamental Experiment for Novel Material Identification Method Based on a Photon Counting Technique: Using Conventional X-Ray Equipment. Hiroaki Hayashi, Natsumi Kimoto, Itsumi Maehata, Kazuki Takegami, Hiroki Okino, Yuki Kanazawa, Tsutomu Yamakawa, Shuichiro Yamamoto, Masashi Yamasaki, Masahiro Okada. IEEE Nuclear Science Symposium & Medical Imaging Conference. 2015年10月.
  • (国内学会) 100-2000keVの光子線に対する小型OSL線量計の効率的な照射体系の提案. 沖野 啓樹, 竹上 和希, 紀本 夏実, 前畑 伊採, 林 裕晃, 金澤 裕樹, 岡崎 徹, 橋詰 拓弥, 小林 育夫. 第22回EGS研究会. 2015年8月.
  • (国内学会) nanoDot OSL線量計の診断用X線に対する基礎特性. 岡崎 徹, 林 裕晃, 竹上 和希, 沖野 啓樹, 紀本 夏実, 前畑 伊採, 小林 育夫. 日本保健物理学会第48回研究発表会. 2015年7月.
  • (国内学会) 低エネルギーX線スペクトルのフォトンカウンティングに基づく2次元的物質同定法の提案. 紀本 夏実, 前畑 伊採, 竹上 和希, 沖野 啓樹, 林 裕晃, 金澤 裕樹, 山河 勉, 山本 修一郎, 山崎 雅志, 岡田 雅宏. 医用画像情報学会 第172回大会. 2015年6月.
  • (国内学会) 動的マルチスリットを用いたコンピューティッドラジオグラフィシステムの特性曲線の取得, --- 金森奨励賞受賞者記念講演 ---. 竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴. 医用画像情報学会(MII)平成26年度年次(第169回)大会. 2014年5月.
  • (国内学会) 改良型マルチスリット法の装置を用いたコンピューティッドラジオグラフィシステムの特性曲線の取得. 竹上 和希, 林 裕晃, 紀本 夏実, 前畑 伊採, 野々宮 泉, 福田 郁磨, 小西 有貴. 日本放射線技術学会第41回秋季学術大会. 2013年10月.
  • (国内学会) 動的マルチスリット法を用いた輝尽性蛍光体プレートの特性曲線の取得. 竹上 和希, 福田 郁磨, 小西 有貴, 紀本 夏実, 前畑 伊採, 野々宮 泉, 林 裕晃. 医用画像情報学会第166回年次大会. 2013年6月.

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研究費獲得状況

  • 光子計数型X線画像検出器の高線量率医療撮影条件での超高精度物質同定技術の開発. 日本学術振興会 科学研究費 若手研究. 2025年4月 - 2027年3月. 紀本夏実.
  • フォトンカウンティング技術による新しいがんの定量的X線画像診断手法の開発. 公益財団法人ふくおか公衆衛生推進機構 第59回がん研究助成金. 2025年4月 - 2027年3月. 紀本夏実.
  • 光子計数型X線撮影による被写体の定量分析技術の開発と骨強度の定量指標の導出. 日本学術振興会 科学研究費助成事業 基盤研究(B). 2024年4月 - 2027年3月. 林 裕晃, 金澤 裕樹, 羽場 友信, 後藤 聡汰, 前田 達哉, 紀本 夏実, 淺原 孝, 山下 一太, 勝又 明敏, 岡田 俊輔, 小林 茂樹.
  • フォトンカウンティング型検出器の実用化に向けた基礎研究. 株式会社ジョブ 共同研究. 2025年4月 - 2026年3月. 紀本夏実, 山本修一郎, 橋本大輔, 岡田雅宏, 槌谷文男, 田中英明, 山崎雅志, 吉成耕一, 藏本康宏.
  • 光子計数型CT装置を用いた被写体の組成分析技術の循環器領域利用に向けた研究. 日立財団 2024年度（第56回）倉田奨励金. 2025年3月 - 2026年3月. 淺原孝, 林裕晃, 紀本夏実.
  • フォトンカウンティング型検出器の一般 X 撮影領域への応用に向けた基礎研究. 株式会社ジョブ 共同研究. 2024年8月 - 2025年3月. 紀本夏実, 山本修一郎, 橋本大輔, 岡田雅宏, 槌谷文男, 田中英明, 山崎雅志, 吉成耕一, 藏本康宏.
  • フォトンカウンティング型X線画像検出器を用いて解析される機能画像の画質向上と至適撮影条件の導出. 株式会社ジョブ 共同研究. 2024年3月 - 2025年2月. 林裕晃, 山本修一郎, 岡田雅宏, 紀本夏実, 小林大空, 西上莉奈, 槌谷文男, 橋本大輔, 田中英明, 山崎雅志, 吉成耕一, 藏本康宏.
  • 臨床応用に向けたフォトンカウンティング型X線画像検出器の基礎研究. 株式会社ジョブ 共同研究. 2023年2月 - 2024年2月. 林裕晃, 山本修一郎, 岡田雅宏, 紀本夏実, 李青海, 小林大空, 西上莉奈, 槌谷文男, 橋本大輔, 田中英明, 山崎雅志, 吉成耕一, 藏本康宏.
  • フォトンカウンティング型画像検出器の高精細画像の生成を目指した全ピクセルを対象とした画像処理手法の開発. 株式会社ジョブ 共同研究. 2022年3月 - 2023年2月. 林裕晃, 山本修一郎, 岡田雅宏, 紀本夏実, 李青海, 小林大空, 西上莉奈, 槌谷文男, 橋本大輔, 田中英明, 山崎雅志, 吉成耕一, 藏本康宏.
  • 医用画像の物理的定量解析を実現するフォトンカウンティングイメージング検出器の開発. 日本学術振興会 令和2(2020)年度科学研究費助成事業(科学研究費補助金) 特別研究員奨励費. 2020年4月 - 2022年3月. 紀本夏実.
  • フォトンカウンティング型X線イメージング検出器の特徴を生かした新しい診断画像の生成手法に関する基礎研究. 株式会社ジョブ 共同研究. 2021年3月 - 2022年2月. 林裕晃,山本修一郎,岡田雅宏,槌谷文男,橋本大輔,田中英明,山崎雅志,吉成耕一,藏本康宏,紀本夏実,李青海,永井有沙,長田朋子.
  • フォトンカウンティング検出器で取得された画像の検出器応答関数を考慮した物理解析アルゴリズムの開発. 株式会社ジョブ 共同研究. 2019年3月 - 2021年3月. 林 裕晃, 山本修一郎, 岡田雅宏, 槌谷文男, 橋本大輔, 田中英明, 山﨑雅志, 吉成耕一, 蔵元康宏, 紀本夏実, 淺川巧, 李青海.
  • 歯科用X線画像検出器のアプリの開発. ライフサイエンスコンピューティング株式会社 共同研究. 2020年11月 - 2021年1月. 林 裕晃, 谷川正臣, 紀本夏実, 淺川巧, 李青海.
  • フォトンカウンティング型歯科用X線画像検出器の開発. ライフサイエンスコンピューティング株式会社 共同研究. 2020年2月 - 2020年4月. 林 裕晃, 谷川正臣, 紀本夏実.
  • Photon counting technique: How to analyze a novel quantitative image? 金沢大学 令和元年度スタディアブロード奨学金大学院研究交流枠(派遣). 2019年11月. 紀本夏実.
  • Photon counting technique: How to analyze a novel quantitative image? 公益財団法人中谷医工計測技術振興財団 2019年度技術交流助成. 2019年11月. 紀本夏実.
  • 医用画像の物理的定量解析を実現するX線イメージング検出器の開発. 一般社団法人大学女性協会 奨学金. 2019年11月. 紀本夏実.
  • Feasibility study of photon counting detector for producing effective atomic number image. 金沢大学 令和元年度スタディアブロード奨学金大学院研究交流枠(派遣). 2019年10月. 紀本夏実.
  • 連続X線を用いたフォトンカウンティング法による超高精度実効原子番号のイメージング～次世代型医療用画像検出器の開発に向けた基礎研究～. 公益財団法人日立財団 倉田奨励金 2019年4月. 紀本夏実, 林裕晃, 山本修一郎, 勝又明敏.
  • Effective atomic number image produced with energy-resolved photon counting detector toward the development of next-generation plain X-ray diagnosis. 金沢大学 平成30年度スタディアブロード奨学金大学院研究交流枠(派遣). 2019年3月. 紀本夏実.
  • Effective atomic number image produced with energy-resolved photon counting detector toward the development of next-generation plain X-ray diagnosis. 一般財団法人丸文財団 国際交流助成金. 2019年3月. 紀本夏実.
  • Effective atomic number image produced with energy-resolved photon counting detector toward the development of next-generation plain X-ray diagnosis. European Congress of Radiology (ECR) Invest in the Youth programme. 2019年3月. 紀本夏実.
  • Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution. IEEE Nuclear Science Symposium and Medical Imaging Conference IEEE Trainee Grant. 2018年11月. Kimoto Natsumi.
  • "Reproduction of response functions of a multi-pixel-type energy-resolved photon counting detector while taking into consideration interaction of X-rays, charge sharing and energy resolution. 公益財団法人中谷医工計測技術振興財団 平成30年度技術交流助成. 2018年11月. 紀本夏実."
  • Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number. IEEE Nuclear Science Symposium and Medical Imaging Conference IEEE Trainee Grant. 2017年11月. Kimoto Natsumi.
  • Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number. 徳島大学医学部 平成28年度国際学会研究発表支援. 2017年11月. 紀本夏実.
  • Development of a novel method based on a photon counting technique with the aim of precise material identification in clinical X-ray diagnosis. 公益財団法人中谷医工計測技術振興財団 平成28年度第3回技術交流海外派遣. 2017年2月. 紀本夏実.
  • Basic study for material identification toward development of a next generation type X-ray diagnosis detector based on a photon counting technique. 徳島大学医学部 平成28年度国際学会研究発表支援. 2016年12月. 紀本夏実.
  • Proposal of a New Analytic Method for the Determination of Effective Atomic Number (Z) Based on a Photon Counting Technique Using Diagnostic X-rays. 社団法人日本放射線技術学会 第72回日本放射線技術学会総会学術大会学生派遣. 2016年4月. 紀本夏実.
  • Fabrication and analysis of phantoms providing the equal-image-density for basic experiment of next-generation-type X-ray diagnosis. 徳島大学医学部StudentLab 海外渡航支援. 2016年3月. 紀本夏実.

その他

■特許

  • 特願2025-030464 X線CT検査における被曝線量の解析システム. 前田達哉, 林裕晃, 竹上和希, 淺原孝, 紀本夏実, 西上莉奈, 小林大空, 後藤聡汰, 真木基允, 小西武四, 村上修一, 田中豊, 森本真一.
  • 特願2023-188474 画像処理方法および画像処理装置. 山本修一郎, 紀本夏実, 林裕晃, 小林大空.
  • 特願No.18/536,424(米国特許出願) IMAGE PROCESSING METHOD AND IMAGE PROCESSING DEVICE. Shuichiro Yamamoto, Natsumi Kimoto, Hiroaki Hayashi, Daiki Kobayashi.
  • 特願JP0-PAS i410(国際出願) 検出器の校正装置および校正方法. 山本修一郎, 岡田雅宏, 山崎雅志, 橋本大輔, 林裕晃, 紀本夏実.

■受賞

  • JSRT Silver Award, Simulation Study to Calculate Shielding Rate for the Development of Three-Dimensional Non-Uniform Shielding Material, 第77回日本放射線技術学会総会学術大会. Tatsuya Maeda, Hiroaki Hayashi, Natsumi Kimoto, Cheonghae Lee, Motochika Maki, Takeshi Konishi, Shuichi Murakami. 2021年4月.
  • 座長推薦優秀発表賞, A Novel Algorithm for Material Identification Based on a Photon Counting Technique -Toward the Development of a Quantitative Plain X-ray Diagnosis Using an Effective Atomic Number Image-, 第76回日本放射線技術学会総会学術大会. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. 2020年7月.
  • JSRT Bronze Award, Sensitivity Analysis of Parameters When Calculating the Shielding Rate Using Monte-Carlo Simulation and Experimentation, 第76回日本放射線技術学会総会学術大会. Tatsuya Maeda, Hiroaki Hayashi, Takumi Uehara, Kazuki Takegami, Natsumi Kimoto, Motochika Maki, Takeshi Konishi. 2020年6月
  • JSRT Bronze Award, A Novel Algorithm for Material Identification Based on a Photon Counting Technique -Toward the Development of a Quantitative Plain X-ray Diagnosis Using an Effective Atomic Number Image-, 第76回日本放射線技術学会総会学術大会. Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Akitoshi Katsumata, Shuichiro Yamamoto, Masahiro Okada. 2020年6月
  • Certificate of Merit Award, Photon counting technique: How to analyze a novel quantitative image?, Radiological Society of North America (RSNA). Natsumi Kimoto, Hiroaki Hayashi, Takumi Asakawa, Takashi Asahara, Tatsuya Maeda, Akitoshi Katsumata, Yuki Kanazawa, Shuji Koyama, Shuichiro Yamamoto, Masahiro Okada. 2019年12月.
  • Physics of Medical Imaging Student Best Paper Award, A novel mammographic fusion imaging technique: the first results of tumor tissues detection from resected breast tissues using energy-resolved photon counting detector, SPIE Medical Imaging. Mariko Sasaki, Shuji Koyama, Yoshie Kodera, Reina Suzuki, Hiroto Kimura, Hiroko Nishide, Mitsuhiro Mizutani, Megumi Watanabe, Naoko Yoshida, Hiroaki Hayashi, Natsumi Kimoto, Shuichiro Yamamoto, Daisuke Hashimoto, Masahiro Okada. 2019年2月.
  • 学生賞, Potentiality of Effective Atomic Number Image Based on Photon Counting Technique for Achieving Proper Diagnosis Using Plain X-ray, 第74回日本放射線技術学会総会学術大会. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Akitoshi Katsumata, Tsutomu Yamakawa, Shuichiro Yamamoto, Masahiro Okada. 2018年4月.
  • いいね賞(1位), Potentiality of Effective Atomic Number Image Based on Photon Counting Technique for Achieving Proper Diagnosis Using Plain X-ray, 第74回日本放射線技術学会総会学術大会. Natsumi Kimoto, Hiroaki Hayashi, Takashi Asahara, Akitoshi Katsumata, Tsutomu Yamakawa, Shuichiro Yamamoto, Masahiro Okada. 2018年4月.
  • RPT most citation award, Practical calibration curve of small-type optically stimulated luminescence (OSL) dosimeter for evaluation of entrance-skin dose in the diagnostic X-ray region, 社団法人日本放射線技術学会. Kazuki Takegami, Hiroaki Hayashi, Hiroki Okino, Natsumi Kimoto, Itsumi Maehata, Yuki Kanazawa, Tohru Okazaki, Ikuo Kobayashi. 2018年4月.
  • 平成29年度学長表彰, Novel material identification method using three energy bins of a photon counting detector taking into consideration Z-dependent beam hardening effect correction with the aim of producing an X-ray image with information of effective atomic number, 徳島大学. 紀本夏実. 2018年3月.
  • RPT journal Doi paper award, Energy dependence measurement of small-type optically stimulated luminescence (OSL) dosimeter by means of characteristic X-rays induced with general diagnostic X-ray equipment, 社団法人日本放射線技術学会. Takegami Kazuki, Hayashi Hiroaki, Okino Hiroki, Kimoto Natsumi, Maehata Itsumi, Kanazawa Yuki, Okazaki Tohru, Hashizume Takuya, Kobayashi Ikuo. 2017年4月.
  • 平成28年度学長表彰, Proposal of a New Analytic Method for the Determination of Both Atomic Number and Sample Thickness Based on a Photon Counting Technique Using Diagnostic X-rays, 徳島大学. 紀本夏実. 2017年3月.
  • Certificate of Merit Award, Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region, Radiological Society of North America (RSNA). Takegami Kazuki, Hayashi Hiroaki, Kimoto Natsumi, Mihara Yoshiki, Kanazawa Yuki, Higashino Kosaku, Yamashita Kazuta, Hayashi Fumio, Okazaki Tohru, Hashizume Takuya, Kobayashi Ikuo. 2016年11月.
  • CIRMS Ribbon Award, Universal calibration curve for a small-type OSL dosimeter to be used for direct dose measurements of direct, scattered and penetrating X-rays in the diagnostic region, Council on ionizing radiation measurements and standards. Takegami Kazuki, Hayashi Hiroaki, Kimoto Natsumi, Mihara Yoshiki, Kanazawa Yuki, Higashino Kosaku, Yamashita Kazuta, Hayashi Fumio, Okazaki Tohru, Hashizume Takuya, Kobayashi Ikuo. 2016年11月
  • 最優秀学生賞, Proposal of a New Analytic Method for the Determination of Both Atomic Number and Sample Thickness Based on a Photon Counting Technique Using Diagnostic X-rays, 第72回日本放射線技術学会 Next Generation Session. 紀本夏実, 沖野啓樹, 竹上和希, 林 裕晃, 金澤 裕樹, 山河勉, 山本修一郎. 2016年4月.
  • 金森奨励賞, 動的マルチスリットを用いたコンピューティッドラジオグラフィシステムの特性曲線の取得, 医用画像情報学会. 竹上和希, 林 裕晃, 紀本夏実, 前畑伊採, 野々宮泉, 福田郁磨, 小西有貴. 2014年5月
  • 徳島大学医学部優秀学生表彰, 輝尽性蛍光体プレートに対する入出力特性の測定のための一体型マルチスリット装置の製作, 徳島大学医学部. 紀本夏実. 2014年3月.
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