Ichiji Kei 市地慶

… Alternative Names

ICHIJI Kei 市地慶

市地慶

Less

Researcher Number	90743443
Other IDs	https://orcid.org/0000-0002-0072-1399
Affiliation (Current)	2025: 東北大学, 医学系研究科, 講師
Affiliation (based on the past Project Information) *help	2021 – 2024: 東北大学, 医学系研究科, 講師 2018 – 2020: 東北大学, 医学系研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 52040:Radiological sciences-related Except Principal Investigator Basic Section 52040:Radiological sciences-related / Basic Section 60070:Information security-related
Keywords	Principal Investigator 適応照射 / データ同化 / 三次元体内動態推定 / X線透視像 / 呼吸動態予測 / バイオフィードバック / 動体追尾照射 / 呼吸性移動対策 / 視聴覚フィードバック / 息止め … More / 制御特性 / 視聴覚フィードバックシステム / 呼吸誘導 / 呼吸性移動 / 肺がん / 放射線治療 … More Except Principal Investigator 放射線治療 / 非接触 / 非接触計測 / バイオメトリクス / イメージプレチスモグラム / 動脈紋 / 人工知能 / スパイロメータ / 肺機能画像 / 呼吸機能検査 / 肺換気画像 / 肺機能 / radiomics / 肺臓炎 / 肺癌 / 深層学習 / 機械学習 Less

Development of a data-assimilation-based estimation method of dynamic 3D internal organ motion from 2D X-ray projection imagesPrincipal Investigator
- Principal Investigator
  
  市地慶
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Tohoku University
深層強化学習による真の“人工知能型”自動放射線照射計画法の開発
- Principal Investigator
  
  角谷倫之
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Tohoku University
イメージプレチスモグラムによる血管状態推定を用いた動脈紋認証に関する基礎的研究
- Principal Investigator
  
  杉田典大
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tohoku University
Development of radiomics-based pulmonary ventilation imaging
- Principal Investigator
  
  Kadoya Noriyuki
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Tohoku University
Development of a Personalized Bio-feedback System to Stabilize Respiration-induced Motion for Improving Predictive Beam Control of Tumor-following Radiation TherapyPrincipal Investigator
- Principal Investigator
  
  ICHIJI Kei
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Tohoku University

All 2021 2020 2019 2018

All Journal Article Presentation Patent

[Journal Article] 肺がん放射線治療のための目標範囲提示型呼吸誘導システムによる呼吸動態再現性向上の試み2021
- Author(s)
  堀池巧，市地慶, 本間経康, 張曉勇,吉澤誠
- Journal Title
  
  東北医学雑誌
  
  Volume: 133(1) Pages: 90-90
- Data Source
  KAKENHI-PROJECT-18K15619
[Journal Article] Hidden Markov Model-based Extraction of Target Objects in X-ray Image Sequence for Lung Radiation Therapy2020
- Author(s)
  新藤雅大, 市地慶, 本間経康, 張曉勇, 奥田隼梧, 杉田典大, 八巻俊輔, 髙井良尋, 吉澤誠
- Journal Title
  
  IEEJ Transactions on Electronics, Information and Systems
  
  Volume: 140 Issue: 1 Pages: 49-60
- DOI
  10.1541/ieejeiss.140.49
- NAID
  130007779196
- ISSN
  0385-4221, 1348-8155
- Year and Date
  2020-01-01
- Language
  Japanese
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K15619, KAKENHI-PROJECT-17K17582, KAKENHI-PROJECT-20K08012, KAKENHI-PROJECT-17H04117
[Journal Article] 呼吸性移動対策のための肺腫瘍位置の時系列成分分離に基づく予測2019
- Author(s)
  佐藤雄介，市地慶，新藤雅大，張暁勇，角谷倫之，小山内実，高井良尋，本間経康
- Journal Title
  
  東北医学雑誌
  
  Volume: 131-1 Pages: 77-77
- Data Source
  KAKENHI-PROJECT-18K15619
[Journal Article] A key-point based real-time tracking of lung tumor in X-ray image sequence by using difference of Gaussians filtering and optical flow2018
- Author(s)
  Kei Ichiji, Yusuke Yoshida, Noriyasu Homma, Xiaoyong Zhang, Ivo Bukovsky, Yoshihiro Takai, Makoto Yoshizawa
- Journal Title
  
  Phys Med Biol
  
  Volume: 63 Issue: 18 Pages: 1-16
- DOI
  10.1088/1361-6560/aada71
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K19885, KAKENHI-PROJECT-17K17582, KAKENHI-PROJECT-18K15619, KAKENHI-PROJECT-17H04117
[Journal Article] Effect of viewing a three-dimensional movie with vertical parallax2018
- Author(s)
  Norihiro Sugita、Katsuhiro Sasaki、Makoto Yoshizawa、Kei Ichiji、Makoto Abe、Noriyasu Homma、Tomoyuki Yambe
- Journal Title
  
  Displays
  
  Volume: 印刷中 Pages: 20-26
- DOI
  10.1016/j.displa.2018.10.007
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K15619, KAKENHI-PROJECT-16H02887, KAKENHI-PROJECT-16K16385, KAKENHI-PROJECT-19K12753
[Patent] 画像処理装置，画像処理方法および画像処理プログラム2018
- Inventor(s)
  本間経康，市地慶，新藤雅大，杉田典大，吉澤誠，高井良尋
- Industrial Property Rights Holder
  東北大学
- Industrial Property Rights Type
  特許
- Industrial Property Number
  2018-088462
- Filing Date
  2018
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 深吸気息止め呼吸誘導システムの制御特性改善2021
- Author(s)
  堀池巧，市地慶，本間経康，張曉勇，杉田典大，吉澤誠
- Organizer
  第55回日本生体医工学会東北支部大会
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 放射線治療における前立腺がんの動きの自己回帰モデルによる予測2021
- Author(s)
  速見文菜，市地慶，本間経康
- Organizer
  計測自動制御学会東北支部第334回研究集会
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 4 次元 CT データの内挿・外挿による X 線透視像中の腫瘍像推定モデルの性能向上の試み2021
- Author(s)
  篠原匠,市地慶,本間経康, 張曉勇,杉田典大,吉澤誠
- Organizer
  インテリジェント・システム・シンポジウム2021（FAN2021 Online）
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 注意機構に基づく肺腫瘍位置変動予測2021
- Author(s)
  西山亮，市地慶，本間経康，杉田典大，吉澤誠
- Organizer
  第55回日本生体医工学会東北支部大会
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Performance Evaluation of a Deep Learning-based Prediction of Dual-energy Subtracted Images from Single-Energy Clinical X-ray Fluoroscopy for Markerless Lung Tumor Tracking2021
- Author(s)
  王驕洋, 市地慶, 張曉勇,本間経康
- Organizer
  インテリジェント・システム・シンポジウム2021（FAN2021 Online）
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Deep Neural Network-Based Prediction of Dual-Energy Subtraction Images From Single-Energy X-Ray Fluoroscopy: A Feasibility Study2020
- Author(s)
  Jiaoyong WANG, Kei ICHIJI, Noriyasu HOMMA, Xiaoyong ZHANG, Yoshihiro TAKAI
- Organizer
  2020 Joint American Association of Physicists in Medicine/Canadian Organization of Medical Physicists Meeting (AAPM2020), BReP-SNAP-M-53
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 肺がん放射線治療のための目標範囲提示型呼吸誘導システムによる呼吸動態再現性向上の試み2020
- Author(s)
  堀池巧, 市地慶, 本間経康, 張暁勇, 吉澤誠
- Organizer
  計測自動制御学会システム・情報部門学術講演会2020（SSI2020）, SS1-1-4, pp.184-188
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 肺がん放射線治療のための多変量カーネル密度推定を用いたX線動画像からの腫瘍像抽出2020
- Author(s)
  奥田隼梧, 市地慶, 本間経康, 張暁勇, 吉澤誠
- Organizer
  計測自動制御学会システム・情報部門学術講演会2020（SSI2020）, SS1-1-5, pp.189-194
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Evaluation of CT-Based Radiomics Features for Predicting Parameters Measured Using a Pulmonary Function Test2020
- Author(s)
  Ieko Y, Kadoya N, Abe K, Tanaka S, Takagi H, Kanai T, Ichiji K, Yamamoto T, Ariga H, Jingu K
- Organizer
  2020 Joint AAPM | COMP Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K08116
[Presentation] リアルタイム適応放射線治療に向けた体内腫瘍位置の計測・予測2020
- Author(s)
  市地慶
- Organizer
  計測自動制御学会（SICE）東北支部 SICE Tohokuオンライン講演会～東北地方の若手研究者と語り合う～
- Invited
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] A feasibility study on predicting synthetic dual-energy X-ray fluoroscopic images using deep convolutional neural network2020
- Author(s)
  Jiaoyang Wang, Kei Ichiji, Noriyasu Homma
- Organizer
  生体医工学会生体画像と医用人工知能研究会第2回若手発表会
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 隠れマルコフモデルを用いた X 線動画像からの腫瘍像抽出法の先験情報導入による性能向上の試み2019
- Author(s)
  奥田隼梧, 市地慶, 本間経康, 張曉勇, 吉澤誠
- Organizer
  計測自動制御学会システム・情報部門学術講演会2019（SSI2019）, SS13-05, pp. 513-517
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 4次元CT補間に基づく隠れマルコフモデルを用いたX線動画像中の腫瘍像描出能向上2019
- Author(s)
  奥田隼梧, 市地慶, 本間経康, 張曉勇, 吉澤誠
- Organizer
  計測自動制御学会東北支部55周年記念学術講演会, A06, pp. 20-23
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Development of deep learning based image transformation techniques for advanced radiation therapy2019
- Author(s)
  Jiaoyang Wang, Masaki Sato, Kei Ichiji, Noriyasu Homma
- Organizer
  Tohoku Forum for Creativity Thematic Program 2019 "Cancer - from Biology to Acceptance, New Technology for Diagnosis and Therapeutics of Cancer"
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 深層学習を用いた Single-Energy X 線透視像からの Dual-Energy X 線透視像合成2019
- Author(s)
  王驕洋, 市地慶, 本間経康
- Organizer
  計測自動制御学会東北支部55周年記念学術講演会, A07, pp. 24-27
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] A realistic simulation method for time-variant dosimetric impact by baseline drift of moving tumor during radiation therapy2019
- Author(s)
  Masaki Hara, Kei Ichiji, Noriyasu Homma
- Organizer
  Tohoku Forum for Creativity Thematic Program 2019 "Cancer - from Biology to Acceptance, New Technology for Diagnosis and Therapeutics of Cancer"
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] 呼吸性移動対策のための肺腫瘍位置の時系列成分分離に基づく予測2018
- Author(s)
  佐藤雄介, 市地慶, 新藤雅大, 張曉勇, 角谷倫之, 小山内実, 髙井良尋, 本間経康
- Organizer
  第46回日本放射線技術学会秋季学術大会, 宮城県仙台市仙台国際センター
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Probabilistic Decomposition of X-Ray Image Sequence to Extract Obscure Target Objects for Monitoring Intrafractional Organ Motion2018
- Author(s)
  Masahiro Shindo, Kei Ichiji, Noriyasu Homma, Xiaoyong Zhang, Yoshihiro Takai, Makoto Yoshizawa
- Organizer
  American Association of Physicists in Medicine 60th Annual Meeting (AAPM2018), Nashville TN
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] Tumor tracking by integrating multiple sensing results for radiation therapy2018
- Author(s)
  呉文翔, 市地慶, 張曉勇, Ivo Bukovsky, 小山内実, 高井良尋, 本間経康
- Organizer
  計測自動制御学会システム・情報部門学術講演会 2018（SSI2018）, 富山県富山市富山国際会議場
- Data Source
  KAKENHI-PROJECT-18K15619
[Presentation] マーカレス腫瘍追跡のための隠れマルコフモデルを用いたX線動画像からの物体輝度抽出2018
- Author(s)
  新藤雅大, 市地慶, 本間経康, 張曉勇, 杉田典大, 八巻俊輔, 髙井良尋, 吉澤誠
- Organizer
  第28回インテリジェント・システム・シンポジウム（FAN2018）, 神奈川県横浜市横浜国立大学理工学部
- Data Source
  KAKENHI-PROJECT-18K15619

1. Kadoya Noriyuki (20604961)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
2. 山本貴也 (30733159)

# of Collaborated Projects: 2 results

# of Collaborated Products: 1 results
3. 神宮啓一 (00451592)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
4. 梶川智博 (30846522)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 杉田典大 (90396458)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 八巻俊輔 (10534076)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 湯田恵美 (50771763)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 吉澤誠

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Ichiji Kei 市地 慶

ICHIJI Kei 市地 慶

市地慶

Research Projects

Research Products

Co-Researchers

Development of a data-assimilation-based estimation method of dynamic 3D internal organ motion from 2D X-ray projection imagesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

深層強化学習による真の“人工知能型”自動放射線照射計画法の開発

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

イメージプレチスモグラムによる血管状態推定を用いた動脈紋認証に関する基礎的研究

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of radiomics-based pulmonary ventilation imaging

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of a Personalized Bio-feedback System to Stabilize Respiration-induced Motion for Improving Predictive Beam Control of Tumor-following Radiation TherapyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] 肺がん放射線治療のための目標範囲提示型呼吸誘導システムによる呼吸動態再現性向上の試み2021

Author(s)

Journal Title

Data Source

[Journal Article] Hidden Markov Model-based Extraction of Target Objects in X-ray Image Sequence for Lung Radiation Therapy2020

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] 呼吸性移動対策のための肺腫瘍位置の時系列成分分離に基づく予測2019

Author(s)

Journal Title

Data Source

[Journal Article] A key-point based real-time tracking of lung tumor in X-ray image sequence by using difference of Gaussians filtering and optical flow2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Effect of viewing a three-dimensional movie with vertical parallax2018

Author(s)

Journal Title

DOI

Data Source

[Patent] 画像処理装置，画像処理方法および画像処理プログラム2018

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Industrial Property Number

Filing Date

Data Source

[Presentation] 深吸気息止め呼吸誘導システムの制御特性改善2021

Author(s)

Organizer

Data Source

[Presentation] 放射線治療における前立腺がんの動きの自己回帰モデルによる予測2021

Author(s)

Organizer

Data Source

[Presentation] 4 次元 CT データの内挿・外挿による X 線透視像中の腫瘍像推定モデルの性能向上の試み2021

Author(s)

Ichiji Kei 市地慶

ICHIJI Kei 市地慶