Komori Masataka 小森雅孝

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KOMORI Masataka 小森雅孝

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Researcher Number	30392228
Other IDs
Affiliation (Current)	2025: 名古屋大学, 医学系研究科(保健), 准教授
Affiliation (based on the past Project Information) *help	2018 – 2023: 名古屋大学, 医学系研究科(保健), 准教授 2012 – 2013: 名古屋大学, 医学(系)研究科(研究院), 准教授 2011: 名古屋大学, 医学部, 准教授
Review Section/Research Field	Principal Investigator Basic Section 30020:Optical engineering and photon science-related / Medical Physics/Radiological Technology
Keywords	Principal Investigator 医学物理学 / イメージング / 水の発光現象 / QA/QC / 線量分布推定 / 陽子線治療 / チェレンコフ光 / 微弱光 / 水の発光 / GEANT4 … More / モンテカルロシミュレーション / 中性子被ばく / 拡大照射法 / 炭素線治療 Less

Estimation of dose distribution using luminesence of water during proton beam irradiation -discrimination with Cherenkov light-Principal Investigator
- Principal Investigator
  
  Komori Masataka
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 30020:Optical engineering and photon science-related
- Research Institution
  Nagoya University
Reduction of neutron exposure for carbon-ion radiotherapyPrincipal Investigator
- Principal Investigator
  
  KOMORI Masataka
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics/Radiological Technology
- Research Institution
  Nagoya University

All 2023 2022 2021 2020 2019 2018 2013 2012

All Journal Article Presentation

[Journal Article] Planning strategies for robust carbon-ion scanning radiotherapy for stage I esophageal cancer: a retrospective study2023
- Author(s)
  Suga Makito、Kusano Yohsuke、Takakusagi Yosuke、Oosawa Yukio、Minohara Shinichi、Yoshida Daisaku、Katoh Hiroyuki、Kamada Tadashi、Komori Masataka
- Journal Title
  
  Journal of Radiation Research
  
  Volume: 64 Issue: 5 Pages: 816-823
- DOI
  10.1093/jrr/rrad057
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Luminescence imaging of water irradiated by protons under FLASH radiation therapy conditions2023
- Author(s)
  Katsunori Yogo, Satoshi Kodaira, Tamon Kusumoto, Hisashi Kitamura, Toshiyuki Toshito, Hiromitsu Iwata, Masumi Umezawa, Masashi Yamada, Takuto Miyoshi, Masataka Komori
- Journal Title
  
  Physics in Medicine and Biology.
  
  Volume: 68 Issue: 15 Pages: 15NT02-15NT02
- DOI
  10.1088/1361-6560/ace60b
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21K07699, KAKENHI-PROJECT-22K07642, KAKENHI-PROJECT-18K04974, KAKENHI-PROJECT-18KK0147, KAKENHI-PROJECT-23K24280
[Journal Article] MEASUREMENT OF HALF-VALUE LAYER IN COMPUTED TOMOGRAPHY SCANNERS USING LUMINESCENCE OF POLYETHERSULFONE RESIN BY X-RAY IRRADIATION2021
- Author(s)
  Yamauchi-Kawaura C、Maki E、Fujii K、Komori M、Imai K
- Journal Title
  
  Radiation Protection Dosimetry
  
  Volume: 196 Issue: 1-2 Pages: 26-33
- DOI
  10.1093/rpd/ncab126
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974, KAKENHI-PROJECT-19K12779
[Journal Article] Development of an x-ray-opaque-marker system for quantitative phantom positioning in patient-specific quality assurance2021
- Author(s)
  Kentaro Suzuki, Takeshi Kamomae, Hiroshi Oguchi, Fumitaka Kawabata, Kazuma Sugita, Kuniyasu Okudaira, Masaki Mori, Shinji Abe, Masataka Komori, Mariko Kawamura, Kazuhiro Ohtakara, Yoshiyuki Itoh, Shinji Naganawa
- Journal Title
  
  Phys Med
  
  Volume: 91 Pages: 121-130
- DOI
  10.1016/j.ejmp.2021.10.017
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K07671, KAKENHI-PROJECT-18K04974, KAKENHI-PROJECT-21K07561, KAKENHI-PROJECT-20K08076
[Journal Article] Evaluation of the angular distribution of produced light in water during high-energy proton irradiation2021
- Author(s)
  Ushiba Hiroto、Komori Masataka、Kitao Yohei、Toshito Toshiyuki
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 41 Sup.1 Pages: 41-41
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Radioluminescence by synchrotron radiation with lower energy than the Cherenkov light threshold in water2020
- Author(s)
  Hirano Yoshiyuki、Komori Masataka、Onoda Daichi、Nagae Takayuki、Yamamoto Seiichi
- Journal Title
  
  Journal of Physics Communications
  
  Volume: 4 Issue: 7 Pages: 075002-075002
- DOI
  10.1088/2399-6528/ab9f8d
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Measurements of temporal response of luminescence of water at lower energy than Cerenkov-light threshold during carbon-ion irradiation2020
- Author(s)
  Yamamoto Seiichi、Akagi Takashi、Hirano Yoshiyuki、Komori Masataka
- Journal Title
  
  Biomedical Physics & Engineering Express
  
  Volume: 6 Issue: 4 Pages: 045002-045002
- DOI
  10.1088/2057-1976/ab8b7e
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Study for angular dependences of luminescence and Cherenkov light of water for dose estimation of therapeutic proton beam2020
- Author(s)
  Komori Masataka、Kitao Yohei、Onoda Daichi、Toshito Toshiyuki、Hirano Yoshiyuki
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 40 Sup.1 Pages: 65-65
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Spectrum measurement of luminescence of water by synchrotron radiation beam with lower energy than the Cerenkov-light threshold2020
- Author(s)
  Hirano Yoshiyuki、Komori Masataka、Kitao Yohei、Onoda Daichi、Yamamoto Seiichi
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 40 Sup.1 Pages: 94-94
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Comparison between luminescence and dose in water during uniform-field irradiation by spot scanning proton beam2019
- Author(s)
  Masataka Komori, Eri Sekihara, Takuya Yabe, Ryo Horita, Toshiyuki Toshito, Seiichi Yamamoto
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 39 Sup.1 Pages: 197-197
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Imaging of fragment particles in water by nuclear spallation during carbon-ion irradiation2019
- Author(s)
  Yabe Takuya、Komori Masataka、Akagi Takashi、Yamashita Tomohiro、Yamamoto Seiichi
- Journal Title
  
  Physics in Medicine & Biology
  
  Volume: 64 Issue: 13 Pages: 13NT01-13NT01
- DOI
  10.1088/1361-6560/ab2920
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Estimation and correction of Cerenkov-light in the luminescence image of water during irradiations2019
- Author(s)
  Yabe Takuya、Hirano Yoshiyuki、Komori Masataka、Akagi Takashi、Yamamoto Seiichi
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 39 Sup.3 Pages: 24-24
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Three-dimensional (3D) dose distribution measurements of proton beam using a glass plate2019
- Author(s)
  Horita Ryo、Yamamoto Seiichi、Yogo Katsunori、Komori Masataka、Toshito Toshiyuki
- Journal Title
  
  Biomedical Physics & Engineering Express
  
  Volume: 5 Issue: 4 Pages: 045033-045033
- DOI
  10.1088/2057-1976/ab169e
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974, KAKENHI-PROJECT-18K19909
[Journal Article] OPTIMIZATION OF AN ADDITIONAL COLLIMATOR IN A BEAM DELIVERY SYSTEM FOR REDUCTION OF THE SECONDARY NEUTRON EXPOSURE IN PASSIVE CARBON-ION THERAPY2019
- Author(s)
  Komori Masataka、Takeuchi Akihiko、Niwa Maiko、Harada Takaomi、Oguchi Hiroshi
- Journal Title
  
  Radiation Protection Dosimetry
  
  Volume: 184 Issue: 1 Pages: 28-35
- DOI
  10.1093/rpd/ncy182
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Measurements of the propagation difference between Cherenkov-light and luminescence of water during carbon-ion beam irradiation2019
- Author(s)
  Yohei Kitao, Masataka Komori, Ryo Horita, Fumitaka Kawabata, Kazuma Sugita, Kuniyasu Okudaira, Hiroshi Oguchi, Seiichi Yamamoto
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 39 Sup.1 Pages: 198-198
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Estimation of the three-dimensional (3D) dose distribution of electron beams from medical linear accelerator (LINAC) using plastic scintillator plate2019
- Author(s)
  Horita Ryo、Yamamoto Seiichi、Yogo Katsunori、Hirano Yoshiyuki、Okudaira Kuniyasu、Kawabata Fumitaka、Nakaya Takayoshi、Komori Masataka、Oguchi Hiroshi
- Journal Title
  
  Radiation Measurements
  
  Volume: 124 Pages: 103-108
- DOI
  10.1016/j.radmeas.2019.04.002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K04974, KAKENHI-PROJECT-18K19909
[Journal Article] Discovery of scintillation of float glass and application for 3D dose distribution measurements of proton beam2019
- Author(s)
  Yamamoto Seiichi, Horita Ryo, Yogo Katsunori, Komori Masataka, Toshito Toshiyuki
- Journal Title
  
  Japanese Journal of Medical Physics
  
  Volume: 39 Sup.3 Pages: 30-30
- Data Source
  KAKENHI-PROJECT-18K04974
[Journal Article] Monte Carlo study on reduction in the secondary neutron exposure in passive carbon-ion radiotherapy2013
- Author(s)
  Akihiko Takeuchi, Masataka Komori, Hiroshi Oguchi, Yasushi Iwamoto, Mikoto Tamura, Toshiya Rachi, Maiko Niwa, and Takaomi Harada
- Journal Title
  
  医学物理
  
  Volume: 33 Supplement No. 1 Pages: 177-177
- Data Source
  KAKENHI-PROJECT-23602008
[Journal Article] Monte Carlo study on reduction in the secondary neutron exposure in passive carbon-ion radiotherapy2013
- Author(s)
  Takeuchi, M. Komori, H. Oguchi, Y. Iwamoto, M. Tamura, T. Rachi, M. Niwa, T. Harada.
- Journal Title
  
  Jpn. J. Med. Phys.
  
  Volume: 33 Suppl. No.1 Pages: 177-177
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] コリメータを用いた頭部陽子線スキャニング照射での中性子被ばく線量を評価する簡易推定モデルの作成2023
- Author(s)
  大野聖弥, 小森雅孝, 小林勇太, 歳藤利行
- Organizer
  第51回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Roos型平行平板形電離箱における体積平均効果の評価2023
- Author(s)
  矢谷朋子, 小口宏, 小林勇太, 奥平訓康, 清水秀年, 加茂前健, 小森雅孝
- Organizer
  第51回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 水への陽子線照射時に発生するチェレンコフ光と微弱光の角度依存性のシミュレーション2023
- Author(s)
  星野晃希, 小森雅孝, 平松夢翔, 歳藤利行
- Organizer
  第51回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Evaluating nanoparticle candidates as radiation modifiers on DNA damages for radiation therapy2023
- Author(s)
  AOYAMA Kanako, YOGO Katsunori, KOMORI Masataka
- Organizer
  Nagoya-Yonsei University Research Exchange Meeting on Health Sciences
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 微弱光を用いた治療用陽子線の線量分布推定－Geant4 を用いたチェレンコフ光除去による精度向上－2022
- Author(s)
  平松夢翔、小林勇太、星野晃希、歳藤利行、小森雅孝
- Organizer
  第14回中部放射線医療技術学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Evaluation of dose equivalent by secondary neutrons generated by head proton therapy2022
- Author(s)
  KOBAYASHI Yuta, KOMORI Masataka, TOSHITO Toshiyuki
- Organizer
  第123回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Evaluation of the angular distribution of produced light in water during high-energy proton irradiation2021
- Author(s)
  Ushiba Hiroto、Komori Masataka、Kitao Yohei、Toshito Toshiyuki
- Organizer
  第121回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Study for angular dependences of luminescence and Cherenkov light of water for dose estimation of therapeutic proton beam2020
- Author(s)
  Komori Masataka、Kitao Yohei、Onoda Daichi、Toshito Toshiyuki、Hirano Yoshiyuki
- Organizer
  第119回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Reduction of parallax-error effect to luminescence imaging of water for dose estimation of therapeutic proton beam2020
- Author(s)
  Komori Masataka、Senga Ken-ichiro、Kitao Yohei、ToshitoToshiyuki
- Organizer
  European Congress of Radiology (ECR) 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Spectrum measurement of luminescence of water by synchrotron radiation beam with lower energy than the Cerenkov-light threshold2020
- Author(s)
  Hirano Yoshiyuki、Komori Masataka、Kitao Yohei、Onoda Daichi、Yamamoto Seiichi
- Organizer
  第119回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Effects of parallax error and light refraction on estimation for dose distribution of proton beams using luminescence in water2020
- Author(s)
  Furuo Koki、Komori Masataka、Ushiba Hiroto、Toshito Toshiyuki
- Organizer
  20th Asia-Oceania Congress on Medical Physics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 陽子線一様照射野における水の微弱光と線量分布の比較2019
- Author(s)
  小森雅孝, 關原恵理, 矢部卓也, 堀田遼, 歳藤利行, 山本誠一
- Organizer
  第117回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Discovery of scintillation of float glass and application for 3D dose distribution measurements of proton beam2019
- Author(s)
  Yamamoto Seiichi, Horita Ryo, Yogo Katsunori, Komori Masataka, Toshito Toshiyuki
- Organizer
  第118回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] Estimation and correction of Cerenkov-light in the luminescence image of water during irradiations2019
- Author(s)
  Yabe Takuya、Hirano Yoshiyuki、Komori Masataka、Akagi Takashi、Yamamoto Seiichi
- Organizer
  第118回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 炭素線照射におけるチェレンコフ光と水の発光の伝搬の違いの評価2019
- Author(s)
  北尾洋平, 小森雅孝, 堀田遼, 川端文隆, 杉田和真, 奥平訓康, 小口宏, 山本誠一
- Organizer
  第117回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 高分子材料の微弱発光を利用したX線CT検査の実効エネルギー測定法の開発2019
- Author(s)
  川浦稚代、牧英里奈、藤井啓輔、小森雅孝、今井國治、池田充
- Organizer
  日本放射線技術学会第47回秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 陽子線、炭素線及びネオン線照射による水の発光効率のLET依存性2018
- Author(s)
  小森雅孝, 平野祥之, 矢部卓也, 堀田遼, 米内俊祐, 歳藤利行, 山本誠一
- Organizer
  日本放射線技術学会第46回秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] 陽子線照射による水の発光現象においてのCCDカメラの視差誤差のない計測2018
- Author(s)
  堀田遼, 小森雅孝, 矢部卓也, 小口宏, 山本誠一, 歳藤利行
- Organizer
  日本放射線技術学会第46回秋季学術大会
- Data Source
  KAKENHI-PROJECT-18K04974
[Presentation] モンテカルロシミュレーションを用いたパッシブ炭素線治療時の二次中性子被ばくの低減2013
- Author(s)
  竹内瑛彦、小森雅孝、小口宏、岩本康史、田村命、良知寿哉、丹羽まい子、原田崇臣
- Organizer
  第105回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] Monte Carlo study on reduction in the secondary neutron exposure in passive carbon-ion radiotherapy2013
- Author(s)
  Akihiko Takeuchi, Masataka Komori, Hiroshi Oguchi
- Organizer
  ECR2013 (European Congress of Radiology)
- Place of Presentation
  Vienna, Austria
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] Monte Carlo study on reduction in the secondary neutron exposure in passive carbon-ion radiotherapy2013
- Author(s)
  Takeuchi, M. Komori, H. Oguchi, Y. Iwamoto, M. Tamura, T. Rachi, M. Niwa, T. Harada
- Organizer
  European Congress of Radiology (ECR) 2013
- Place of Presentation
  Vienna, Austria
- Year and Date
  2013-03-07
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] Monte Carlo study on reduction in the secondary neutron exposure in passive carbon-ion radiotherapy2013
- Author(s)
  Akihiko Takeuchi, Masataka Komori, Hiroshi Oguchi, Yasushi Iwamoto, Mikoto Tamura, Toshiya Rachi, Maiko Niwa, and Takaomi Harada
- Organizer
  第105回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] モンテカルロシミュレーションによる炭素線治療における二次中性子の低減に関する検討2012
- Author(s)
  竹内瑛彦、小森雅孝、岩本康史、田村命、良知寿哉、丹羽まい子
- Organizer
  第5回中部放射線医療技術学術大会
- Place of Presentation
  浜松
- Data Source
  KAKENHI-PROJECT-23602008
[Presentation] モンテカルロシミュレーションによる炭素線治療における二次中性子の低減に関する検討2012
- Author(s)
  竹内瑛彦、小森雅孝、岩本康史、田村命、良知寿哉、丹羽まい子
- Organizer
  第5回中部放射線医療技術学術大会
- Place of Presentation
  アクトシティ浜松
- Data Source
  KAKENHI-PROJECT-23602008

1. ITOH Yoshiyuki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
2. 大宝和博

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
3. 加茂前健

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
4. 余語克紀

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
5. 歳藤利行

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Komori Masataka 小森 雅孝

KOMORI Masataka 小森 雅孝

Research Projects

Research Products

Co-Researchers

Estimation of dose distribution using luminesence of water during proton beam irradiation -discrimination with Cherenkov light-Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Reduction of neutron exposure for carbon-ion radiotherapyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Planning strategies for robust carbon-ion scanning radiotherapy for stage I esophageal cancer: a retrospective study2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Luminescence imaging of water irradiated by protons under FLASH radiation therapy conditions2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] MEASUREMENT OF HALF-VALUE LAYER IN COMPUTED TOMOGRAPHY SCANNERS USING LUMINESCENCE OF POLYETHERSULFONE RESIN BY X-RAY IRRADIATION2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Development of an x-ray-opaque-marker system for quantitative phantom positioning in patient-specific quality assurance2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evaluation of the angular distribution of produced light in water during high-energy proton irradiation2021

Author(s)

Journal Title

Data Source

[Journal Article] Radioluminescence by synchrotron radiation with lower energy than the Cherenkov light threshold in water2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Measurements of temporal response of luminescence of water at lower energy than Cerenkov-light threshold during carbon-ion irradiation2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Study for angular dependences of luminescence and Cherenkov light of water for dose estimation of therapeutic proton beam2020

Author(s)

Journal Title

Data Source

[Journal Article] Spectrum measurement of luminescence of water by synchrotron radiation beam with lower energy than the Cerenkov-light threshold2020

Author(s)

Journal Title

Data Source

[Journal Article] Comparison between luminescence and dose in water during uniform-field irradiation by spot scanning proton beam2019

Author(s)

Journal Title

Data Source

[Journal Article] Imaging of fragment particles in water by nuclear spallation during carbon-ion irradiation2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Estimation and correction of Cerenkov-light in the luminescence image of water during irradiations2019

Author(s)

Journal Title

Data Source

[Journal Article] Three-dimensional (3D) dose distribution measurements of proton beam using a glass plate2019

Author(s)

Journal Title

DOI

Data Source

[Journal Article] OPTIMIZATION OF AN ADDITIONAL COLLIMATOR IN A BEAM DELIVERY SYSTEM FOR REDUCTION OF THE SECONDARY NEUTRON EXPOSURE IN PASSIVE CARBON-ION THERAPY2019

Author(s)

Journal Title

Komori Masataka 小森雅孝

KOMORI Masataka 小森雅孝

[Presentation] 微弱光を用いた治療用陽子線の線量分布推定－Geant4 を用いたチェレンコフ光除去による精度向上－2022