Okubo Masaki 大久保真樹

… Alternative Names

OHKUBO Masaki 大久保真樹

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Researcher Number	10203738
Other IDs
External Links
Affiliation (Current)	2025: 新潟大学, 医歯学系, 教授
Affiliation (based on the past Project Information) *help	2013 – 2023: 新潟大学, 医歯学系, 教授 2008 – 2012: Niigata University, 医歯学系, 准教授 1999: 新潟大学, 医学部, 助教授 1998: NIIGATA UNIV.BIOMED.COLL.ASS.PROF, 医療技術短期大学部, 助教授 1997: 新潟大学, 医療短期大学部, 助手 … More 1993 – 1996: 新潟大学, 医療技術短期大学部, 助手 1994: 医療技術短期大学部, 助手 1994: 新潟大学, 医療短大, 助手 1991: Niigata Univ. Coll. of Biomed. Tech. Assistant, 医療短期大学, 助手 1990 – 1991: 新潟大学, 医療技術短期大学部, 助手 1990: 新潟大学, 医療短期大学部, 助手 Less
Review Section/Research Field	Principal Investigator Medical Physics and Radiological Technology / Radiation science / Basic Section 52040:Radiological sciences-related / Medical Physics/Radiological Technology / Biomedical engineering/Biological material science Except Principal Investigator Radiation science / Basic Section 52040:Radiological sciences-related / 情報工学 / Radiation science
Keywords	Principal Investigator 空間分解能 / X線CT装置 / 肺がん / 点広がり関数（PSF） / 変調伝達関数（MTF） / コンピュータ支援診断（CAD） / CT検診 / 逐次近似再構成 / スライス感度分布（SSP） / エックス線CT … More / CT（computed tomography） / line spread function / circular edge / X線CT / 模擬結節 / 画像再構成関数 / 画像シミュレーション / 線広がり関数(LSF) / 変調伝達関数(MTF) / 点広がり関数(PSF) / 超高磁場 / 磁気共鳴スペクトロスコピー / NMR / 核磁気共鳴 / 高磁場 / MRスペクトロスコピー / 3テスラ / プロトンスペクトロスコピー / MRS / Tracer Kinetics / Microsphere model / ^<123>I-IMP / SPECT / _rCBFmeasurement … More Except Principal Investigator 5-FU / 放射線治療 / 食道癌 / CDDP / 認知予備脳 / シナプス / 認知予備能 / MRI / CEST / アルツハイマー病 / 磁気共鳴イメージング / DDDP / ESOPHAGEAL CANCER / CHEMORADIOTHERAPY / 増感作用 / 放射線化学療法 / CANCER / ESOPHAGUS / CISPLATIN (CDDP) / 5-FLUOROURACIL (5-FU) / CHEMOTHERAPY / RADIOTHERAPY / RADIOSENSITIZATION / 5‐FU / 放射線・薬剤同時併用 / 放射線増感剤 / trajectory / stops / fricatives / reconstruction / consonants / natural observation filter / dynamic characteristics / transient part / 後続母音予測 / 個別差 / 射影 / 時係列 / 調音結合区間 / 連鎖母音 / 自然観測法 / 後続母音 / 軌跡 / 破裂音 / 摩擦音 / 波形再構成 / 自然観測係数 / 自然観測フィルタ / 動的特徴 / 遷移区間 / Superficial Tumor / Transplanted Tumor / Dna Histogram / Predictive Assay / Radiotherapy / Malignant Tumors / ^<31>P-MRS / 表在性腫瘍 / 移植腫瘍 / DNAヒストグラム / 治療効果予測 / 悪性腫瘍 / ^<31>PーMRS / lung cancer / CAD performance / PSF / CT screening / ROC / Virtual Nodule / ３Ｄ－PSF / Quality Assurance of CAD / Lung Cancer CT Screening / Low Dose CT Screening / lung cancer CT screening / virtual nodule / quality assurance of CAD / point spread function / Low dose CT screening / 3D-PSF / Lung cancer CT screening / Virtual nodule / CT(Computed Tomography) / Point Spread Function / Quality Assurance / CAD / SPECT / レセプターイメジング / ドーパミン / 放射性リガンド / 神経受容体 Less

Method for determining spatial resolution with verification in iterative reconstruction CT imagesPrincipal Investigator
- Principal Investigator
  
  Ohkubo Masaki
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Niigata University
Development of a method to assess cognitive reserve in Alzheimer's disease using chemical exchange saturation transfer MRI.
- Principal Investigator
  
  Igarashi Hironaka
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 52040:Radiological sciences-related
- Research Institution
  Niigata University
Realistic three-dimensional virtual nodule based on spatial resolution in lung computed tomographyPrincipal Investigator
- Principal Investigator
  
  Ohkubo Masaki
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics and Radiological Technology
- Research Institution
  Niigata University
Virtual nodule based on 3D spatial resolution in lung CT and its application to performance evaluation of computer-aided detection (CAD) systemPrincipal Investigator
- Principal Investigator
  
  OHKUBO Masaki
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics and Radiological Technology
- Research Institution
  Niigata University
Performance evaluation of lung cancer CT screening CAD and developmant
- Principal Investigator
  
  WADA SHINICHI
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University
Conversion of CT image quality to suitable quality for images input into a computer-aided detection (CAD) system for lung cancerPrincipal Investigator
- Principal Investigator
  
  OHKUBO Masaki
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Medical Physics/Radiological Technology
- Research Institution
  Niigata University
Quantitative evaluation of small spherical structures in PSF-based CT image simulationPrincipal Investigator
- Principal Investigator
  
  OHKUBO Masaki
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Biomedical engineering/Biological material science
- Research Institution
  Niigata University
超高磁場MR装置を用いたプロトンスペクトロスコピーに関する基礎研究Principal Investigator
- Principal Investigator
  
  大久保真樹
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University
BASICAND CLINICAL RESEARCH ON CONCURRENT CHEMORADIOTHERAPY WITH PROTRACTED LOW DOSE CONTINUOUS INFUSION OF 5-FU + CDDP FOR ESOPHAGEAL CANCER
- Principal Investigator
  
  SAKAI Kunio
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Radiation science
- Research Institution
  NIIGATA UNIVERSITY
SPECT用の新しい放射性リガンドの合成と動態解析モデルの実験的研究
- Principal Investigator
  
  小田野幾雄
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University
^<123>I-IMP SPECTを用いたマイクロスフェア法による脳血流量測定法の評価Principal Investigator
- Principal Investigator
  
  大久保真樹
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University
BASIC AND CLINICAL RESEARCH ON THE CONCURRENT CHEMORADIOTHERAPY WITH PROTRACTED LOW DOSE CONTINUOUS INFUSION OF 5-FLUOROURACIL
- Principal Investigator
  
  SAKAI Kunio
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Radiation science
- Research Institution
  NIIGATA UNIVERSITY
Classification of Japanese Consonants in terms of Structured Modeling and Geometrical Interpretation of Dynamic Characteristics in Transient Parts
- Principal Investigator
  
  HORI Jun-ichi
- Project Period (FY)
  1990 – 1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  情報工学
- Research Institution
  Niigata University
A Study on Prediction of effects of Radiotherapy by Magnetic Resonance Spectroscory
- Principal Investigator
  
  SAKAI Kunio
- Project Period (FY)
  1989 – 1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  Radiation science
- Research Institution
  Niigata University

[Journal Article] Method for Measuring Noise Power Spectrum Depending on X-ray Tube Angle in Spiral Orbit of Helical CT Scan2023
- Author(s)
  Ohsugi Yuki、Narita Akihiro、Ohkubo Masaki、Sakai Kenichi、Fukaya Takahiro、Noto Yoshiyuki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 79 Issue: 10 Pages: 1144-1150
- DOI
  10.6009/jjrt.2023-1363
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] Method for measuring noise-power spectrum independent of the effect of extracting the region of interest from a noise image2023
- Author(s)
  Narita Akihiro、Ohsugi Yuki、Ohkubo Masaki、Fukaya Takahiro、Sakai Kenichi、Noto Yoshiyuki
- Journal Title
  
  Radiological Physics and Technology
  
  Volume: 16 Issue: 4 Pages: 471-477
- DOI
  10.1007/s12194-023-00733-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] An Easy-to-use Method for CT Image Simulation with Parameter Optimization Using a Water Phantom2022
- Author(s)
  Narita Akihiro、Okamoto Kazuki、Toyonaga Kengo、Ohkubo Masaki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 78 Issue: 7 Pages: 732-740
- DOI
  10.6009/jjrt.2022-1222
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] A Study of 3D-NPS Analysis in CT Images Based on the Central Cross-section Theorem2022
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Fukaya Takahiro、Sakai Kenichi、Noto Yoshiyuki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 78 Issue: 4 Pages: 342-347
- DOI
  10.6009/jjrt.2022-1217
- NAID
  130008163618
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] A Study of Longitudinal NPS Measurement in CT Images Based on the Central Cross-section Theorem2022
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Ohsugi Yuki、Sakai Kenichi、Fukaya Takahiro、Noto Yoshiyuki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 78 Issue: 7 Pages: 719-725
- DOI
  10.6009/jjrt.2022-1267
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] GlyCEST: Magnetic Resonance Imaging of Glycine - Distribution in the Normal Murine Brain and Alterations in 5xFAD Mice2021
- Author(s)
  Ken Ohno,Masaki Ohkubo, Bingwen Zheng, Masaki Watanabe, Tsuyoshi Matsuda, Ingrid L. Kwee, Hironaka Igarashi
- Journal Title
  
  Contrast Media & Molecular Imaging
  
  Volume: eCollection Pages: 8988762-8988762
- DOI
  10.1155/2021/8988762
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02762, KAKENHI-PROJECT-20K16774
[Journal Article] A Simple Method for Computationally Generating Metal Artifacts in CT Images for Treatment Planning: A Pilot Phantom Study2021
- Author(s)
  Mugishima Daisuke、Narita Akihiro、Ohkubo Masaki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 77 Issue: 5 Pages: 445-453
- DOI
  10.6009/jjrt.2021_JSRT_77.5.445
- NAID
  130008040225
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] Method for determining slice sensitivity profile of iterative reconstruction CT images using low-contrast sphere phantom2021
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Fukaya Takahiro、Noto Yoshiyuki
- Journal Title
  
  Radiological Physics and Technology
  
  Volume: 14 Issue: 4 Pages: 366-372
- DOI
  10.1007/s12194-021-00636-0
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] Technical Note: A simple method for measuring the slice sensitivity profile of iteratively reconstructed CT images using a non‐slanted edge plane2021
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Fukaya Takahiro、Noto Yoshiyuki
- Journal Title
  
  Medical Physics
  
  Volume: 48 Issue: 3 Pages: 1125-1130
- DOI
  10.1002/mp.14668
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] Central Slice Theorem-based Relationship between 1D-NPS Obtained by the Slit Method and 2D-NPS for CT Images2021
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Fukaya Takahiro、Noto Yoshiyuki
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 77 Issue: 8 Pages: 828-832
- DOI
  10.6009/jjrt.2021_JSRT_77.8.828
- NAID
  130008076331
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K08046
[Journal Article] Longitudinal GluCEST MRI Changes and Cerebral Blood Flow in 5xFAD Mice2020
- Author(s)
  Igarashi Hironaka、Ueki Satoshi、Kitaura Hiroki、Kera Tae、Ohno Ken、Ohkubo Masaki、Terumitsu-Tsujita Mika、Kakita Akiyoshi、Kwee Ingrid L
- Journal Title
  
  Contrast Media & Molecular Imaging
  
  Volume: 2020 Pages: 1-12
- DOI
  10.1155/2020/8831936
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K16774, KAKENHI-PROJECT-18H02762, KAKENHI-PROJECT-19H03542
[Journal Article] A pitfall of using the circular‐edge technique with image averaging for spatial resolution measurement in iteratively reconstructed CT images2020
- Author(s)
  Narita Akihiro、Ohkubo Masaki
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 21 Issue: 2 Pages: 144-151
- DOI
  10.1002/acm2.12821
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09059
[Journal Article] Applications of 3D-PSF of CT Image to QA for Thoracic CT-CAD: Part 4. Application of 3D-PSF 2. Virtual Nodule Application to QA for Thoracic CT-CAD2019
- Author(s)
  和田真一、大久保真樹、成田啓廣、村尾晃平、松本徹、曾根脩輔
- Journal Title
  
  Japanese Journal of Medical Physics (Igakubutsuri)
  
  Volume: 39 Issue: 4 Pages: 77-85
- DOI
  10.11323/jjmp.39.4_77
- NAID
  130007772855
- ISSN
  1345-5354, 2186-9634
- Year and Date
  2019-12-25
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K09059
[Journal Article] A method for evaluating the performance of computeraided detection of pulmonary nodules in lung cancer CT screening: detection limit for nodule size and density2017
- Author(s)
  Kobayashi H, Ohkubo M, Narita A, Marasinghe JC, Murao K, Matsumoto T, Sone S, Wada S
- Journal Title
  
  BJR
  
  Volume: 90 Issue: 1070 Pages: 1-10
- DOI
  10.1259/bjr.20160313
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26460722
[Journal Article] Generation of realistic virtual nodules based on three-dimensional spatial resolution in lung computed tomography: A pilot phantom study2017
- Author(s)
  Narita Akihiro、Ohkubo Masaki、Murao Kohei、Matsumoto Toru、Wada Shinichi
- Journal Title
  
  Medical Physics
  
  Volume: 44 Issue: 10 Pages: 5303-5313
- DOI
  10.1002/mp.12503
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K09059
[Journal Article] Image filtering to make computer-aided detection robust to image reconstruction kernel choice in lung cancer CT screening2016
- Author(s)
  Ohkubo M, Narita A, Wada S, Murao K, Matsumoto T.
- Journal Title
  
  Med Phys
  
  Volume: 43 Issue: 7 Pages: 4098-4105
- DOI
  10.1118/1.4953247
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26460722
[Journal Article] Generateing Nodule-Like Object Function for CAD Performance Evaluation in Lung Cancer Screening:Fearsibility Study2016
- Author(s)
  Akihiro Narita, Masaki Ohkubo, Shinichi Wada
- Journal Title
  
  JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS
  
  Volume: 17 Issue: 3 Pages: 510-510
- DOI
  10.1120/jacmp.v17i3.6370
- Open Access
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Accurate volume measurement for lung nodule in CT image by ｄeconvolution method.2016
- Author(s)
  Ｈｉｄｅｙｏｓｈｉ　Ｓｕｇａｗａｒａ，Akihiro Narita, Masaki Ohkubo and Shinichi Wada
- Journal Title
  
  医学物理
  
  Volume: 36-sup.1 Pages: 127-127
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] 3D-PSF模擬結節を用いた胸部CT-CADの性能評価の研究2016
- Author(s)
  郷戸允, 大久保真樹，成田啓廣，菅原秀賢，村尾晃平，松本徹，和田真一
- Journal Title
  
  CT検診
  
  Volume: 23 Pages: 30-30
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] 肺がん検診ＣＴにおけるＣＡＤの性能評価を目的とした結節様被写体関数の作成に関する研究.2016
- Author(s)
  Akihiro Narita, Masaki Ohkubo and Shinichi Wada
- Journal Title
  
  医学物理
  
  Volume: 36-sup.1 Pages: 126-126
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Measurement of the Dose Rate Using Dosimeters in Interventional Radiology and Its Difficulty2016
- Author(s)
  吉田秀義，高橋千春，成田信浩，水沢康彦，関谷勝，大久保真樹
- Journal Title
  
  Japanese Journal of Radiological Technology
  
  Volume: 72 Issue: 1 Pages: 63-72
- DOI
  10.6009/jjrt.2016_JSRT_72.1.63
- NAID
  130005120261
- ISSN
  0369-4305, 1881-4883
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-26460722
[Journal Article] 胸部CT検診CADのQAに関する研究：ファントム模擬結節によるvirtual nodule offsetの検証2015
- Author(s)
  吉田皓文、大久保真樹、Marasinghe Janaka C、村尾晃平、松本徹、和田真一
- Journal Title
  
  ＣＴ検診
  
  Volume: ２２ Pages: 36-36
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Quality Assurance of lung cancer CT screening CAD system by applying PSF-based reference virtual nodule set.2015
- Author(s)
  Janaka Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Akifumi Yoshida, Kohei Murao, Toru Matsumoto,Shusuke Sone, Shinichi Wada
- Journal Title
  
  EPOS-TM,Electronic Presentation Online System
  
  Volume: ECR-2015 Pages: 1-11
- DOI
  10.1594/ECR2015/C-1125
- Open Access
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Validation of using PSF^based virtual nodule to assess the basec performances of lung cancer CT screening CAD system.2014
- Author(s)
  Janaka Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Akifumi Yoshida, Kohei Murao, Toru Matsumoto,Shusuke Sone, Shinichi Wada
- Journal Title
  
  Int J CAD
  
  Volume: 9 Issue: S1 Pages: 235-238
- DOI
  10.1007/s11548-014-1034-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Feasible Method to Assess the Performance of a Lung Cancer CT Screening CAD System in Clinical Practice: Dependence on Nodule Size and Density2014
- Author(s)
  Janaka C. Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Kohei Murao, Toru Matsumoto, Shusuke Sone, Shinichi Wada
- Journal Title
  
  International Journal of Medical Physics, Clinical Engineering and Radiation Oncology
  
  Volume: 3 Pages: 107-116
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Feasible method to assess the performance of a lung cancer CT screening CAD system in clinical practice: dependence on nodule size and density2014
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Sone S, Wada S
- Journal Title
  
  International Journal of Medical Physics, Clinical Engineering and Radiation Oncology
  
  Volume: 3 Issue: 02 Pages: 107-116
- DOI
  10.4236/ijmpcero.2014.32016
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-26460722
[Journal Article] Accurate determination of CT point-spread-function with high precision.2013
- Author(s)
  Kayugawa A, Ohkubo M, Wada S.
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 14 Issue: 4 Pages: 216-226
- DOI
  10.1120/jacmp.v14i4.3905
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005, KAKENHI-PROJECT-25461803
[Journal Article] Observer-independent nodule-detectability index for low-dose lung cancer screening CT: a pilot study.2013
- Author(s)
  Ohkubo M, Wada S, Kanai S, Ishikawa K, Marasinghe JC, Matsumoto T.
- Journal Title
  
  Radiological Physics and Technology
  
  Volume: 6 Issue: 2 Pages: 492-499
- DOI
  10.1007/s12194-013-0225-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005, KAKENHI-PROJECT-25461803
[Journal Article] EVALUATION OF LUNG CT CAD PERFORMANCE BY USING PSF-BASED VIRTUAL NODULES:2013
- Author(s)
  Janaka Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Kohei Murao, Toru Matsumoto,,Shusuke Sone, Shinichi Wada
- Journal Title
  
  Medical Physics International
  
  Volume: 1(2) Pages: 350-350
- Data Source
  KAKENHI-PROJECT-25461803
[Journal Article] Application of CT-PSF-based computer-simulated lung nodules for evaluating the accuracy of computer-aided volumetry2012
- Author(s)
  Funaki A, Ohkubo M, Wada S, Murao K, Matsumoto T, Niizuma S.
- Journal Title
  
  Radiol Phys Technol
  
  Volume: Vol.5, No.2 Issue: 2 Pages: 166-171
- DOI
  10.1007/s12194-012-0150-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005
[Journal Article] Application of PSF-based virtual nodules to assess the performance of lung cancer CT screening CAD system2012
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Niizuma S, Sone S, Wada S.
- Journal Title
  
  Proceedings of Asia-Oceania Congress of Medical Physics
  
  Volume: Vol.12 Pages: 249-252
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005
[Journal Article] Accuracy of lung nodule density on HRCT: analysis by PSF-based image simulation2012
- Author(s)
  Ken Ohno
- Journal Title
  
  Journal of Applied Clinical Medical Physics
  
  Volume: 13 Issue: 6 Pages: 277-292
- DOI
  10.1120/jacmp.v13i6.3868
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005
[Journal Article] Image filtering as an alternative to the application of a different reconstruction kernel in CT imaging : Feasibility study in lung cancer screening2011
- Author(s)
  Ohkubo M, Wada S. Kayugawa A, Matsumoto T, Murao K
- Journal Title
  
  Med Phys Vol.38,No.6(掲載決定)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Image filtering as an alternative to the application of a different reconstruction kernel in CT imaging : feasibility study in lung cancer screening2011
- Author(s)
  Ohkubo M, Wada S, Kayugawa A, Murao K, Matsumoto T.
- Journal Title
  
  Medical Physics
  
  Volume: Vol.38, No.7 Issue: 7 Pages: 3915-3923
- DOI
  10.1118/1.3590363
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23602005
[Journal Article] SSP を用いたCT 画像の体軸方向空間分解能変換2010
- Author(s)
  粥川啓廣、大久保真樹、和田真一、松本徹、村尾晃平、山本眞司
- Journal Title
  
  医学物理 Vol30
  
  Pages: 3-9
- NAID
  10026699629
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] SSPを用いたCT画像の体軸方向空間分解能変換2010
- Author(s)
  粥川啓廣, 大久保真樹, 和田真一, 松本徹, 村尾晃平, 山本眞司
- Journal Title
  
  医学物理
  
  Volume: 30 Pages: 3-9
- NAID
  10026699629
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] 肺結節体積評価のための濃度閾値設定に関する3次元CT画豫シミュレーション解析2010
- Author(s)
  大野健, 舟木歩, 大久保真樹, 和田真一, 粥川啓廣, 松本徹, 村尾晃平
- Journal Title
  
  医学物理
  
  Volume: 30 Pages: 39-48
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] 肺結節体積評価のための濃度閾値設定に関する3 次元CT 画像シミュレーション解析2010
- Author(s)
  大野健、舟木歩、大久保真樹、和田真一、粥川啓廣、松本徹、村尾晃平
- Journal Title
  
  医学物理 Vol30
  
  Pages: 39-48
- NAID
  130005117973
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] 低線量MDCT 検診における画質と線量の最適化のための一考察2009
- Author(s)
  和田真一、松本徹、西澤かな枝、大久保真樹
- Journal Title
  
  CT 検診 Vol16
  
  Pages: 187-194
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] 低線量MDCT検診における画質と線量の最適化のための一考察2009
- Author(s)
  和田真一, 松本徹, 西澤かな枝, 大久保真樹
- Journal Title
  
  CT検診 16
  
  Pages: 187-194
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Accurate determination of CT PSF with high precision2009
- Author(s)
  Kayugawa A, Wada S, Ohkubo M, Matsumoto T, Murao K
- Journal Title
  
  IFMBE Proceedings 25/II
  
  Pages: 806-809
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Determination of point spread function in computed tomography accomp anied with verification2009
- Author(s)
  Ohkubo M, Wada S, Ida S, Kunii M, Kayugawa A, Matsumoto T, Nishizawa K, Murao K
- Journal Title
  
  Medical Physics 36
  
  Pages: 2089-2097
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Determination of point spread function in computed tomography accompanied with verification2009
- Author(s)
  Ohkubo M, Wada S, Ida S, Kunii M, Kayugawa A, Matsumoto T, Nishizawa K, Murao K
- Journal Title
  
  Med Phys Vol.36
  
  Pages: 2089-2097
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Imaging of small spherical structures in CT : simulation study using measured point spread function2008
- Author(s)
  Ohkubo M, Wada S. Kunii M, Matsumoto T, Nishizawa K
- Journal Title
  
  Med Biol Eng Comput Vol.46
  
  Pages: 273-282
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Journal Article] Imaging of small spherical s tructures in CT : simulation study using measured point spread function.2008
- Author(s)
  Ohkubo M, Wada S, Kunii M, Matsumoto T, Nishizawa K.
- Journal Title
  
  Medical & Biological Engineering & Computing (Med Biol Eng Comput) 46
  
  Pages: 273-282
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] Validation of Simplified CT Image Simulation with Optimization Using Multiple Machines2022
- Author(s)
  Kengo Toyonaga, Akihiro Narita, Masaki Ohkubo, Kenichi Sakai, Takahiro Fukaya, Yoshiyuki Noto
- Organizer
  第78回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] 空間分解能に基づいたCT画像シミュレーションよるCT撮影時の染料決定方法の考案2022
- Author(s)
  酒井健一、大久保真樹、成田啓廣、高橋直也、能登義幸
- Organizer
  第12回東北放射線医療技術学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] A Study of Longitudinal Noise Power Spectrum Measurement in CT Images Based on the Central Slice Theorem2022
- Author(s)
  Yuki Ohsugi, Akihiro Narita, Masaki Ohkubo, Takahiro Fukaya, Yoshiyuki Noto
- Organizer
  第78回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] CT画像のNPS測定における中央断面定理に基づいた仮想スリット法の検討2021
- Author(s)
  大杉勇輝、成田啓廣、大久保真樹、深谷貴広、能登義幸
- Organizer
  第49回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] ファントム画像を用いた最適化を伴う簡易的CT画像シミュレータの考案2021
- Author(s)
  岡本和樹、成田啓廣、大久保真樹
- Organizer
  第77回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] glyCESTイメージングの開発と応用2021
- Author(s)
  大野健、大久保正樹、渡辺将樹、五十嵐博中
- Organizer
  脳循環代謝学会
- Data Source
  KAKENHI-PROJECT-18H02762
[Presentation] 逐次近似再構成CT画像における傾斜エッジ法のエッジ角度がスライス感度プロファイル測定精度に及ぼす影響2021
- Author(s)
  深谷貴広、大久保真樹、成田啓廣、能登義幸
- Organizer
  第49回日本放射線技術学会秋季学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] 逐次近似再構成CT画像における球体ファントムを用いたSlice Sensitivity Profileの測定2020
- Author(s)
  深谷貴広、成田啓廣、大久保真樹
- Organizer
  第76回日本放射線技術学会総会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] A simple method for generating metal artifacts on CT image using forward projection2020
- Author(s)
  Daisuke Mugishima、 Akihiro Narita、 Masaki Ohkubo
- Organizer
  第119回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] A feasible approach to correct MTF measured by the circular-edge method with image averaging in iterative reconstruction CT2020
- Author(s)
  Ishizaka Natsuki、Narita Akihiro、Ohkubo Masaki
- Organizer
  第119回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] 逐次近似再構成CT画像における球体ファントムを用いたslice sensitivity profile（SSP）の測定2020
- Author(s)
  深谷貴広、成田　啓廣、大久保真樹
- Organizer
  日本放射線技術学会第76回総会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] A method for evaluating the detrending technique in noise power spectrum measurements with a simplified CT image simulation2020
- Author(s)
  Kazuki Okamoto、 Akihiro Narita、 Masaki Ohkubo
- Organizer
  第119回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] A feasible approach to correct MTF measured by the circular-edge technique with image averaging in iterative reconstruction CT2020
- Author(s)
  Natsuki Ishizaka、Akihiro Narita、Masaki Ohkubo
- Organizer
  第119回日本医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-20K08046
[Presentation] A simple method for generating metal artifacts on CT image using forward projection2020
- Author(s)
  Mugishima Daisuke、Narita Akihiro、Ohkubo Masaki
- Organizer
  第119回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] A method for evaluating the detrending technique in noise power spectrum measurements with a simplified CT image simulation2020
- Author(s)
  Okamoto Kazuki、Narita Akihiro、Ohkubo Masaki
- Organizer
  第119回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Determination of point spread function accompanied with verification in iterative reconstruction computed tomography2019
- Author(s)
  Sakai K, Ohkubo M, Narita A
- Organizer
  第117回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Computational simulation of metal artifact generation in CT image: A pilot phantom study2019
- Author(s)
  Mugishima D, Narita A, Ohkubo M
- Organizer
  第117回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Computational simulation of metal artifact generation in CT image: A pilot phantom study2019
- Author(s)
  Mugishima Daisuke、Narita Akihiro、Ohkubo Masaki
- Organizer
  第117回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Determination of point spread function accompanied with verification in iterative reconstruction computed tomography2019
- Author(s)
  Sakai Ken、Ohkubo Masaki、Narita Akihiro
- Organizer
  第117回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] CT装置における逐次近似再構成法での低コントラストファントムを用いたSSP決定法2018
- Author(s)
  原嶋　真吾、成田　啓廣、大久保　真樹、和田　真一
- Organizer
  第25回日本CT検診学会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Virtual noduleを用いた胸部CT-CADの性能特性評価の研究：nodule性状の変化に対する3機種CADの応答2018
- Author(s)
  舩越　萌香、郷戸　充、大久保　真樹、成田　啓廣、村尾　晃平、松本　徹、和田　真一、村松　禎久
- Organizer
  第25回日本CT検診学会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] Determination of slice sensitivity profile for iterative reconstruction CT using low-contrast phantom2018
- Author(s)
  Harashima S, Ohkubo M, Narita A
- Organizer
  第115回医学物理学会学術大会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] CAD-quality assuranceのためのSite-specificな疑似肺結節像生成法の研究2018
- Author(s)
  成田　啓廣、大久保　真樹、村尾　晃平、松本　徹、和田　真一
- Organizer
  第25回日本CT検診学会
- Data Source
  KAKENHI-PROJECT-17K09059
[Presentation] 3D-PSF模擬結節を用いた胸部CT-CADの性能特性評価の研究：結節性状と画像再構成条件の変化に対するCADの応答2017
- Author(s)
  郷戸允, 大久保真樹, 成田啓廣, 菅原秀賢, 村松禎久, 村尾晃平, 松本徹, 和田真一
- Organizer
  第24回日本CT検診学会
- Place of Presentation
  あわぎんホール（徳島県徳島市）
- Year and Date
  2017-02-03
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Generating nodule-like object functions for evaluating CAD performance in lung cancer CT screening2016
- Author(s)
  Narita A, Ohkubo M, Wada S
- Organizer
  第111回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（神奈川県横浜市）
- Year and Date
  2016-04-14
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 肺がんCT検診におけるCAD性能評価を目的としたnodule-like obiect functionの生成2016
- Author(s)
  成田啓廣，大久保真樹，和田真一
- Organizer
  平成27年度第5回がんプロセミナー（新潟大学・東北大学合同放射線治療・医学物理セミナー）
- Place of Presentation
  新潟医療人育成センター（新潟県新潟市）
- Year and Date
  2016-01-30
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 3D-PSF模擬結節を用いた胸部CT-CADの性能評価の研究2016
- Author(s)
  郷戸允, 大久保真樹，成田啓廣，菅原秀賢，村尾晃平，松本徹，
- Organizer
  第23回日本CT検診学会学術集会
- Place of Presentation
  柏の葉カンファレンスセンター,三井ガーデンホテル　(千葉県柏市）
- Year and Date
  2016-02-12
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Feasibility study for application of nodule-like object function to accurate volume rneasurement of nodule in lung cancer CT screening2016
- Author(s)
  菅原秀賢，大久保真樹，成田啓廣，和田真一
- Organizer
  平成27年度第5回がんプロセミナー（新潟大学・東北大学合同放射線治療・医学物理セミナー）
- Place of Presentation
  新潟医療人育成センター（新潟県新潟市）
- Year and Date
  2016-01-30
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Generationg Nodule-Like Object Function for CAD Performance Evaluation in Lung Cancer Screening:Feasibility Study2016
- Author(s)
  ＡＮａｒｉｔａ, M Ohkubo, S Wada
- Organizer
  AAPM Spring Clinical Meeｔing 2016
- Place of Presentation
  The Grand America Hotel, （Salt Lake City, UT, USA）
- Year and Date
  2016-03-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Accurate volume measurement for lung nodule in CT image by ｄeconvolution method.2016
- Author(s)
  Ｈｉｄｅｙｏｓｈｉ　Suｇａｗａｒａ，Akihiro Narita, Masaki Ohkubo and Shinichi Wada
- Organizer
  第111回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜会議センター, （神奈川県横浜市）
- Year and Date
  2016-04-12
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Accurate volume measurement for lung nodule in CT image by deconvolution method2016
- Author(s)
  Sugawara H, Narita A, Ohkubo M, Wada S
- Organizer
  第111回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（神奈川県横浜市）
- Year and Date
  2016-04-14
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 肺がん検診ＣＴにおけるＣＡＤの性能評価を目的とした結節様被写体関数の作成に関する研究.2016
- Author(s)
  Akihiro Narita, Masaki Ohkubo and Shinichi Wada
- Organizer
  第111回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜会議センター, （神奈川県横浜市）
- Year and Date
  2016-04-14
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Generating nodule-like object functions for CAD performance evaluation in lung cancer screening: feasibility study2016
- Author(s)
  Narita A, Ohkubo M, Wada S
- Organizer
  2016 AAPM Spring Clinical Meeting
- Place of Presentation
  Grand America Hotel (Salt lake City, USA)
- Year and Date
  2016-03-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] CT画像における総合的画質評価法に関する検討―体軸方向空間分解能を用いた新たな被写体の設定―2015
- Author(s)
  吉田皓文，成田啓廣，長谷川晃，田崎かおり，大久保真樹，和田真一，能登義幸
- Organizer
  第43回日本放射線技術学会秋季学術大会
- Place of Presentation
  金沢市文化ホール（石川県金沢市）
- Year and Date
  2015-10-08
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Influence of spatial resolution of computed tomography on radiation treatment planning: a feasibility study with pulmonary nodule image simulation.2015
- Author(s)
  Shigeta S, Sasamoto R, Utsunomiya S, Ohkubo M, Tanabe S, Aoyama H, Wada S
- Organizer
  第109回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（神奈川県横浜市）
- Year and Date
  2015-04-16
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Effect of reconstruction kernel and slice thickness on performance of CAD software used in the screening of lung cancer2015
- Author(s)
  Munaweera CM, Wada S, Ohkubo M, Jayasinghe RD
- Organizer
  Peradeniya University International Research Sessions(iPURSE) 2015
- Place of Presentation
  Peradeniya University (Sri Lanka)
- Year and Date
  2015-11-05
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] CT検診肺内結節画像の空間分解能変換を用いたデータベース化2015
- Author(s)
  成田啓廣，大久保真樹，和田真一
- Organizer
  第1回がん治療・医学物理合同研究セミナー
- Place of Presentation
  新潟大学医学部（新潟県新潟市）
- Year and Date
  2015-08-22
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Validation of Virtual&Nodules for Evaluating the Performance of Computer' Aided Detection (CAD) System in Lung Cancer CT Screening.2015
- Author(s)
  Ehalagasthanna NT, Marasinghe JC, Kobayashi H, Ohkubo M, Wada S
- Organizer
  Third Conference on Sri Lanka - Japan Collaborative Research 2015(SLJCR-2015)
- Place of Presentation
  Peradeniya University (Sri Lanka)
- Year and Date
  2015-09-18
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 放射線治療計画CT３次元空間分解能が治療計画精度に及ぼす影響の研究2015
- Author(s)
  重田尚吾，笹本龍太，宇都宮悟，棚邊哲史，早川岳英，沼田彩美，大久保真樹，青山英史，和田真一
- Organizer
  第1回がん治療・医学物理合同研究セミナー
- Place of Presentation
  新潟大学医学部（新潟県新潟市）
- Year and Date
  2015-08-22
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 放射線治療計画CT三次元空間分解能が治療計画精度に及ぼす影響の研究2015
- Author(s)
  重田尚吾，字都宮悟，棚邊哲史，早川岳英，沼田彩美，大久保真樹，和田真一，青山英史，笹本龍太
- Organizer
  第5回東北放射線医療技術学術大会
- Place of Presentation
  山形テルサ（山形県山形市）
- Year and Date
  2015-10-31
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 胸部ＣＴ検診ＣＡＤ性能評価におけるnodule offsetの影響2014
- Author(s)
  吉田皓文,大久保真樹,小林元, Marasinghe Janaka C,Ｄ.M.Janaka Nuwan,村尾晃平, 松本徹, 曽根脩輔, 和田真一
- Organizer
  第107回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Validation of using PSF-based virtual nodules to assess the basic performances of lung cancer CT screening CAD system2014
- Author(s)
  Marasinghe JC, Ohkubo M, Wada S, Kobayashi H, Yoshida A, Murao K, Matsumoto T, Sone S.
- Organizer
  CARS 2014 (発表確定)
- Place of Presentation
  福岡
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Influence of nodule offset in CAD performance evaluation of lung cancer CT screening2014
- Author(s)
  Yoshida A, Ohkubo M, Kobayashi H, Marasinghe JC, Numan DMJ, Murao K, Matsumoto T, Sone S, Wada S.
- Organizer
  第107回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Influence of nodule offset in CAD performance evaluation of lung cancer CT screening2014
- Author(s)
  Yoshida A, Ohkubo M, Kobayashi H, Marasinghe JC, Nuwan DMJ , Murao K, Matsumoto T, Sone S, Wada S
- Organizer
  第107回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（横浜市）
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Validation of using PSF-based virtual nodules to assess the basic performances of lung cancer CT screening CAD system2014
- Author(s)
  Marasinghe JC, Ohkubo M, Wada S, Kobayashi H, Yoshida A, Murao K, Matsumoto T, Sone S
- Organizer
  Computer Assisted Radiology and Surgery 2014, 28th International and Exhibition
- Place of Presentation
  Fukuoka International Convention Center（福岡市）
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 放射線治療計画用CTの空間分解能が線量計算に及ぼす影響2014
- Author(s)
  重田尚吾，笹本龍太，大久保真樹，和田真一，宇都宮悟，棚邊哲史，青山英史
- Organizer
  第115回新潟臨床放射線学会
- Place of Presentation
  新潟大学医学部第2講義室（新潟市）
- Year and Date
  2014-12-20
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Validation of using PSF-based virtual nodules to assess the basic performances of lung cancer CT screening CAD system.2014
- Author(s)
  J C Marasinghe, M Ohkubo, H Kobayashi, A Yosida, K Murao, T Matsumoto, S Sone, S Wada
- Organizer
  CARS2014
- Place of Presentation
  Ｆｕｋｕｏｋａ，Ｊａｐａｎ
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] PSF-based virtual nodule を用いた胸部 CT 検診 CAD 性能評価法の研究：ファントム模擬結節との比較による検証2013
- Author(s)
  小林元,大久保真樹, Marasinghe Janaka C, 村尾晃平, 松本徹, 曽根脩輔, 和田真一
- Organizer
  第106回日本医学物理学会学術大会
- Place of Presentation
  大阪市
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] PSF-based virtual noduleを用いた胸部CT検診CAD性能評価法の研究 : ファントム模擬結節との比較による検証2013
- Author(s)
  小林元、大久保真樹、Marasinghe JC、村尾晃平、松本徹、曽根脩輔、和田真一
- Organizer
  第106回日本医学物理学会学術大会
- Place of Presentation
  大阪
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] CT装置の空間分解能に基づいたvirtual noduleの生成および胸部CT検診CADの性能評価への応用 : ファントム模擬結節との比較による検証2013
- Author(s)
  小林元、Marasinghe JC、和田真一、大久保真樹、村尾晃平、松本徹、曽根脩輔
- Organizer
  第128回日本医学放射線学会北日本地方会、第73回日本核医学会北日本地方会
- Place of Presentation
  新潟
- Year and Date
  2013-06-14
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] CT装置の空間分解能に基づいたvirtual noduleの生成および胸部CT検診CADの性能評価への応用：ファントム結節との比較による検証2013
- Author(s)
  小林元,大久保真樹, Marasinghe Janaka C, 村尾晃平, 松本徹, 曽根脩輔, 和田真一
- Organizer
  第128回日本医学放射線学会北日本地方会
- Place of Presentation
  新潟市
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] PSF-based virtual nodule を用いた胸部CT 検診CAD 性能評価法の研究：ファントム模擬結節との比較による検証2013
- Author(s)
  小林元，大久保真樹，Marasinghe JC，村尾晃平，松本徹，曽根脩輔，和田真一
- Organizer
  第106回日本医学物理学会学術大会
- Place of Presentation
  大阪大学コンベンションセンター（大阪市）
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Nodule detection by lung CT CAD : analysis by PSF-based image simulation with verification2013
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Niizuma S, Sone S, Wada S.
- Organizer
  SLJCR-2013
- Place of Presentation
  Kandy, Sri Lanka
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Evaluation of lung CT CAD performance by using PSF-based virtual nodules : a validation of the methodology2013
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Niizuma S, Sone S, Wada S.
- Organizer
  ICMP 2013
- Place of Presentation
  UK
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Dependency of CT CAD performance on the distance between nodule and pulmonary vessel : a study by using virtual nodules2013
- Author(s)
  Sunitha S, Marasinghe JC, Ohkubo M, Kobayashi H, Gohdo M, Wada S.
- Organizer
  SLJCR-2013
- Place of Presentation
  Kandy, Sri Lanka
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Evaluation of lung CT CAD performance by using PSF-based virtual nodules: a validation of the methodology2013
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Sone S, Wada S
- Organizer
  The International Conference on Medical Physics 2013
- Place of Presentation
  Brighton International Center(UK)
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] EVALUATION OF LUNG CT CAD PERFORMANCE BY USING PSF-BASED VIRTUAL NODULES:2013
- Author(s)
  Janaka Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Kohei Murao, Toru Matsumoto,Shusuke Sone, Shinichi Wada
- Organizer
  ICMP2013
- Place of Presentation
  Brighton,UK
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Application of PSF-based virtual nodules to assess the performance of lung cancer CT screening CAD system2012
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Murao K, Matsumoto T, Niizuma S, Sone S, Wada S.
- Organizer
  10th SEACOMP
- Place of Presentation
  Chiang Mai, Thailand
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Performance assessment of CAD for lung cancer CT screening by applying PSF-based virtual nodules : influence on slice thickness and nodule density2012
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Matsumoto T, Niizuma S, Sone S, Wada S.
- Organizer
  第104回日本医学物理学会学術大会
- Place of Presentation
  つくば
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 肺内結節検出用CT-CADの性能検証法の研究-virtual noduleを用いた検討2012
- Author(s)
  和田真一、大久保真樹、舟木歩、村尾晃平、松本徹、曽根脩輔
- Organizer
  第19回日本CT検診学会学術集会
- Place of Presentation
  長野
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 肺がんCT検診用結節自動検出CADのvirtual noduleを用いた性能評価法の研究2012
- Author(s)
  和田真一、大久保真樹、小林元、Marasinghe JC、村尾晃平、松本徹、新妻伸二、曽根脩輔
- Organizer
  第13回新潟肺ドック研究会
- Place of Presentation
  新潟
- Year and Date
  2012-07-14
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 肺内結節検出CT-CADの性能評価-検診画像融合virtual noduleを用いて2012
- Author(s)
  和田真一，大久保真樹，舟木　歩，村尾晃平，松本　徹，曽根脩輔
- Organizer
  第19回日本CT検診学会学術集会
- Place of Presentation
  メルパルクNAGANO(長野)
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] PSF-CT画像シミュレーションと胸部CT検診画像の融合を用いたCAD性能評価の研究2012
- Author(s)
  小林元、大久保真樹、Marasinghe JC、松本徹、曽根脩輔、和田真一
- Organizer
  第104回日本医学物理学会学術大会
- Place of Presentation
  つくば
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 肺内結節検出CADシステムの性能評価法の研究-virtual noduleを用いた検討2012
- Author(s)
  和田真一、大久保真樹、小林元、Chathari MM、村尾晃平、松本徹、曽根脩輔
- Organizer
  第103回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 3次元CT画像シミュレーションを用いた肺結節CT値の臨床的評価における精度解析2011
- Author(s)
  大野　健，大久保真樹，和田真一
- Organizer
  日本医学物理学会第101 回学術大会
- Place of Presentation
  Web開催
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] PSF-CT 画像シミュレーションと統計学的手法を用いた低線量CT検診撮影条件決定法の検証2011
- Author(s)
  金井悟史、和田真一、大久保真樹、粥川啓廣、樫村康弘、大野健、舟木歩、他6名(3番目)
- Organizer
  第18回日本CT 検診学会学術集会
- Place of Presentation
  岡山
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CTシミュレーション画像とファントム画像の融合による肺内結節体積測定ツールの精度評価2011
- Author(s)
  舟木　歩，大久保真樹，和田真一，村尾晃平，松本　徹
- Organizer
  日本医学物理学会第101 回学術大会
- Place of Presentation
  Web開催
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] PSF-CT 画像シミュレーションと人体ファントム画像融合を用いた肺内結節体積測定精度評価の研究2011
- Author(s)
  舟木歩、和田真一、大久保真樹、村尾晃平、松本徹
- Organizer
  第18回日本CT 検診学会学術集会
- Place of Presentation
  岡山
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] Accuracy evaluation of computer-aided volumetry software for lung nodule by computer-simulated nodules added onto CT images2011
- Author(s)
  Ayumu Funaki, Shinichi Wada, Masaki Ohkubo, Murao Kohei, Toru Matsumoto, Shinji Niizuma
- Organizer
  日本医学物理学会第102回学術大会（第6回日韓医学物理学術合同大会（JKMP）、第11回アジア・オセアニア医学物理会議）
- Place of Presentation
  九州大学医学部百年講堂（福岡）
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 3次元CT画像シミュレーションを用いた肺結節CT値の臨床的評価における精度解析2011
- Author(s)
  大野健、大久保真樹、和田真一
- Organizer
  第101回日本医学物理学会学術大会
- Place of Presentation
  震災のためWeb開催
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Accuracy evaluation of computer-aided volumetry software for lung nodule by computer-simulated nodules added onto CT images2011
- Author(s)
  Funaki A, Wada S, Ohkubo M, Murao K, Matsumoto T, Niizuma S
- Organizer
  第102回日本医学物理学会学術大会、(第6回日韓医学物理学術合同大会、第11回アジア・オセアニア医学物理会議)
- Place of Presentation
  福岡
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] PSF-CT画像シミュレーションと人体ファントム画像融合を用いた肺内結節体積測定精度評価の研究2011
- Author(s)
  舟木歩, 和田真一, 大久保真樹, 村尾晃平, 松本徹
- Organizer
  第18回日本CT検診学会学術集会
- Place of Presentation
  岡山県岡山市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CTシミュレーション画像とファントム画像の融合による肺内結節体積測定ツールの精度評価2011
- Author(s)
  舟木歩、大久保真樹、和田真一、村尾晃平、松本徹
- Organizer
  第101回日本医学物理学会学術大会
- Place of Presentation
  震災のためWeb開催
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] PSF-CT画像シミュレーションと統計学的手法を用いた低線量CT検診撮影条件決定法の検証2011
- Author(s)
  金井悟史, 和田真一, 大久保真樹, 粥川啓廣, 樫村康弘, 大野健, 舟木歩, 他6名
- Organizer
  第18回日本CT検診学会学術集会
- Place of Presentation
  岡山県岡山市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CT画像MTF高精度測定結果の応用-nodule volumetry-CAD精度検証及びCT検診撮影条件の最適化2011
- Author(s)
  和田真一、大久保真樹、松本徹、村尾晃平、舟木歩、金井悟、粥川啓廣
- Organizer
  第12回新潟肺ドック研究会
- Place of Presentation
  新潟
- Year and Date
  2011-07-23
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] 3 次元CT 画像シミュレーションを用いた肺内結節の濃度閾値処理による体積測定精度(その2.結節中心位置におけるボクセルoffset の影響)2010
- Author(s)
  舟木歩、大久保真樹、和田真一、大野健、粥川啓廣、村尾晃平、松本徹
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] LIDC画像を用いた肺がんCT検診CADシステムのロバスト化効果の検討2010
- Author(s)
  和田真一, 松本徹, 村尾晃平, 粥川啓廣, 大久保真樹
- Organizer
  第17回日本CT検診学会学術集会
- Place of Presentation
  長崎県長崎市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CT 画像シミュレーションと統計学的手法を用いた低線量CT 検診の撮影条件決定法2010
- Author(s)
  金井悟史、大久保真樹、粥川啓廣、樫村康弘、和田真一、他7名(2番目)
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 3D-PSFシミュレーション法を用いた肺内結節画像と撮影・再構成条件の関係の検討2010
- Author(s)
  樫村康弘, 大久保真樹, 粥川啓廣, 金井悟史, 今野広二, 松本徹, 和田真一
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京都千代田区
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 精度検証を伴ったCT MTF決定法における再現性の検討2010
- Author(s)
  粥川啓廣, 和田真一, 大久保真樹, 松本徹, 村尾晃平
- Organizer
  第99回日本医学物理学会学術大会
- Place of Presentation
  神奈川県横浜市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 3次元CT画像シミュレーションを用いた肺内結節の濃度閾値処理による体積測定の精度評価2010
- Author(s)
  大野健, 舟木歩, 大久保真樹, 和田真一, 粥川啓廣, 松本徹, 村尾晃平
- Organizer
  第99回日本医学物理学会学術大会
- Place of Presentation
  神奈川県横浜市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CT画像シミュレーションと統計学的手法を用いた低線量CT検診の撮影条件決定法2010
- Author(s)
  金井悟史, 大久保真樹, 粥川啓廣, 樫村康弘, 大野健, 舟木歩, 和田真一, 他5名
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京都千代田区
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 精度検証を伴ったCT MTF 決定法における再現性の検討2010
- Author(s)
  粥川啓廣、和田真一、大久保真樹、松本徹、村尾晃平
- Organizer
  第99回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] LIDC 画像を用いた肺がんCT 検診CAD システムのロバスト化効果の検討2010
- Author(s)
  和田真一、松本徹、村尾晃平、粥川啓廣、大久保真樹
- Organizer
  第17回日本CT 検診学会学術集会
- Place of Presentation
  長崎
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 3D-PSF シミュレーション法を用いた肺内結節画像と撮影・再構成条件の関係の検討2010
- Author(s)
  樫村康弘、大久保真樹、粥川啓廣、金井悟史、今野広二、松本徹、和田真一
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 3 次元CT 画像シミュレーションを用いた肺内結節の濃度閾値処理による体積測定の精度評価2010
- Author(s)
  大野健、舟木歩、大久保真樹、和田真一、粥川啓廣、松本徹、村尾晃平
- Organizer
  第99回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 3次元CT画像シミュレーションを用いた肺内結節の濃度閾値処理による体積測定精度(その2.結節中心位置におけるボクセルoffsetの影響)2010
- Author(s)
  舟木歩, 大久保真樹, 和田真一, 大野健, 粥川啓廣, 村尾晃平, 松本徹
- Organizer
  第100回日本医学物理学会学術大会
- Place of Presentation
  東京都千代田区
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 8 列及び64 列MDCT を用いた低線量CT 検診の撮影・再構成条件決定に関する検討2009
- Author(s)
  和田真一、松本徹、西澤かな枝、大久保真樹、他4名(7番目)
- Organizer
  第16回日本CT 検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 精度管理された胸部CT検診の普及を目指す研究プロジェクトについて2009
- Author(s)
  和田真一, 松本徹, 西澤かな枝, 花井耕造, 長尾啓一, 村尾晃平, 大久保真樹, 山本眞司
- Organizer
  第97回日本医学物理学会学術大会
- Place of Presentation
  神奈川県横浜市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] SSPを用いたCT画像の体軸方向分解能変換に関する研究2009
- Author(s)
  粥川啓廣, 和田眞一, 大久保真樹, 松本徹, 村尾晃平, 山本眞司
- Organizer
  第97回日本医学物理学会学術大会
- Place of Presentation
  神奈川県横浜市
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 64 列MDCT 肺がん検診の撮影条件の再検討2009
- Author(s)
  金井悟史、武田聡司、大棒秀一、大久保真樹、和田真一
- Organizer
  第16回日本CT 検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] Accurate determination of CT PSF with high precision2009
- Author(s)
  Kayugawa A, Wada S, Ohkubo M, Matsumoto T, Murao K
- Organizer
  MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING WORLD CONGRESS 2009
- Place of Presentation
  Munich, Germany
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 精度管理された胸部CT 検診の普及を目指す研究プロジェクトについて2009
- Author(s)
  和田真一、松本徹、西澤かな枝、村尾晃平、大久保真樹,他3名(7番目)
- Organizer
  第97回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] MDCT 画像における肺内結節画像の撮影・再構成条件による変化(4列～64列MDCT装置における3D-PSF シミュレーション)2009
- Author(s)
  和田真一、大久保真樹、國井正之、伊田聡、他4名(2番目)
- Organizer
  第16回日本CT 検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 64列MDCT肺がん検診の撮影条件の再検討2009
- Author(s)
  金井悟史, 武田聡司, 大棒秀一, 大久保真樹, 和田真一
- Organizer
  第16回日本CT検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] SSP を用いたCT 画像の体軸方向分解能変換に関する研究2009
- Author(s)
  粥川啓廣、和田真一、大久保真樹、松本徹、村尾晃平、山本眞司
- Organizer
  第97回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] MDCT画像における肺内結節画像の撮影・再構成条件による変化(4列~64列MDCT装置における3D-PSFシミュレーション)2009
- Author(s)
  和田真一, 大久保真樹, 國井正之, 伊田聡, 他4名
- Organizer
  第16回日本CT検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 8列及び64列MDCTを用いた低線量CT検診の撮影・再構成条件決定に関する検討2009
- Author(s)
  和田真一, 松本徹, 西澤かな枝, 大久保真樹, 他4名
- Organizer
  第16回日本CT検診学会学術集会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] Accurate determination of CT PSF with high precision2009
- Author(s)
  Kayugawa A, Wada S,, Ohkubo M, Matsumoto T, Murao K
- Organizer
  MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING WORLD CONGRESS,2009
- Place of Presentation
  Munich, Germany
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] 各社CT 装置のX線スペクトル測定と実効エネルギー評価2008
- Author(s)
  山下祐美恵、和田真一、西沢かな枝、松本徹、大久保真樹、他3名(7番目)
- Organizer
  第95回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] PSF 画質変換によるCT-CAD システムのロバスト性評価2008
- Author(s)
  伊田聡、和田真一、大久保真樹、他7名(8番目)
- Organizer
  第95回日本医学物理学会学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] PSF画質変換によるCT-CADシステムのロバスト性評価2008
- Author(s)
  伊田聡, 和田真一, 大久保真樹, 他7名
- Organizer
  日本医学物理学会第95回学術大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-20500389
[Presentation] CT装置の空間分解能に基づいた virtual nodule の生成および胸部 CT 検診 CAD の性能評価への応用：ファントム模擬結節との比較による検証
- Author(s)
  小林元，Marasinghe JC，和田真一，大久保真樹，村尾晃平，松本徹，曽根脩輔
- Organizer
  第128回日本医学放射線学会　北日本地方会
- Place of Presentation
  朱鷺メッセ（新潟市）
- Data Source
  KAKENHI-PROJECT-23602005
[Presentation] Validation of using PSF^based virtual nodule to assess the basec performances of lung cancer CT screening CAD system.
- Author(s)
  Janaka Marasinghe, Masaki Ohkubo, Hajime Kobayashi, Akifumi Yoshida, Kohei Murao, Toru Matsumoto,Shusuke Sone, Shinichi Wada
- Organizer
  Validation of using PSF^based virtual nodule to assess the basec performances of lung cancer CT screening CAD system.
- Place of Presentation
  Fukuoka, Japan
- Year and Date
  2014-06-25 – 2014-06-28
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Influence of spatial resolution of computed tomography on radiation treatment planning: a feasibility study with pulmonary nodule image simulation.
- Author(s)
  Shigeta S, Sasamoto R, Utsunomiya S, Ohkubo M, Tanabe S, Aoyama H, Wada S
- Organizer
  第109回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（横浜市）
- Year and Date
  2015-04-16 – 2015-04-19
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Virtual noduleを用いた胸部CT検診CAD-QAにおけるnodule offsetの影響：ファントム模擬結節による検証
- Author(s)
  吉田皓文，大久保真樹，Marasinghe JC，村尾晃平，松本徹，和田真一
- Organizer
  第4回東北放射線医療技術学術大会
- Place of Presentation
  朱鷺メッセ（新潟市）
- Year and Date
  2014-10-25 – 2014-10-26
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 胸部CT検診CADのQAに関する研究：ファントム模擬結節による virtual nodule offset の検証
- Author(s)
  吉田皓文，大久保真樹，Marasinghe Janaka C.，村尾晃平，松本徹，和田真一
- Organizer
  第22回日本CT検診学会
- Place of Presentation
  大阪国際会議場（大阪市）
- Year and Date
  2015-02-13 – 2015-02-14
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 胸部CT検診CAD性能評価におけるnodule offsetの影響
- Author(s)
  Akifumi Yoshida,Masaki Ohkubo,Hajime Kobayashi,Marasinghe Janaka C,D.M.Janaka Nuwan,Kohei Murao,Toru Matsumoto,Shunsuke Sone, and Shinihi Wada
- Organizer
  第107会日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜
- Year and Date
  2014-04-10 – 2014-04-13
- Data Source
  KAKENHI-PROJECT-25461803
[Presentation] Characterization of the model-based iterative reconstruction algorithm: Confirmation of coexistence of dose reduction and spatial resolution improvement
- Author(s)
  Kayugawa A, Noto Y, Taga T, Fukaya T, Tasaki K, Fujioka T, Ohkubo M
- Organizer
  European Congress of Radiology 2015
- Place of Presentation
  Vienna（Austria）
- Year and Date
  2015-03-04 – 2015-03-08
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Influence of nodule offset in CAD performance evaluation of lung cancer CT screening
- Author(s)
  Yoshida A, Ohkubo M, Kobayashi H, Marasinghe JC, Nuwan DMJ , Murao K, Matsumoto T, Sone S, Wada S
- Organizer
  第107回日本医学物理学会学術大会
- Place of Presentation
  パシフィコ横浜（横浜市）
- Year and Date
  2014-04-10 – 2014-04-13
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Validation of using PSF-based virtual nodules to assess the basic performances of lung cancer CT screening CAD system
- Author(s)
  Marasinghe JC, Ohkubo M, Wada S, Kobayashi H, Yoshida A, Murao K, Matsumoto T, Sone S
- Organizer
  Computer Assisted Radiology and Surgery 2014
- Place of Presentation
  Fukuoka Convention Center（福岡市）
- Year and Date
  2014-06-25 – 2014-06-28
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] Quality assurance of lung cancer CT screening CAD system by applying PSF-based reference virtual nodule set.
- Author(s)
  Marasinghe JC, Ohkubo M, Kobayashi H, Yoshida A, Murao K, Matsumoto T, Sone S, Wada S
- Organizer
  European Congress of Radiology 2015
- Place of Presentation
  Vienna（Austria）
- Year and Date
  2015-03-04 – 2015-03-08
- Data Source
  KAKENHI-PROJECT-26460722
[Presentation] 胸部CT検診CADのQAに関する研究：ファントム模擬結節によるvirtual nodule offsetの検証
- Author(s)
  吉田皓文、大久保真樹、Marasinghe Janaka C、村尾晃平、松本徹、和田真一
- Organizer
  第22回日本CT検診学会学術集会
- Place of Presentation
  大阪国際会議場
- Year and Date
  2015-02-13 – 2015-02-14
- Data Source
  KAKENHI-PROJECT-25461803

1. WADA Shinichi (80105519)

# of Collaborated Projects: 5 results

# of Collaborated Products: 121 results
2. MATSUMOTO Toru

# of Collaborated Projects: 4 results

# of Collaborated Products: 84 results
3. MURAO Kohei

# of Collaborated Projects: 4 results

# of Collaborated Products: 72 results
4. SAKAI Kunio (20018378)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. FUJITA Shozo (90080100)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. SUGITA Tadashi (60216314)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. ITO Takeshi (20240773)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. 成田啓廣 (10770208)

# of Collaborated Projects: 3 results

# of Collaborated Products: 34 results
9. SUEYAMA Hiroo (80115039)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. HINATA Hiroshi (00018350)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. KIMURA Motomasa (30161582)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. HORI Jun-ichi (80209262)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. KIRYU Tohru (80115021)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. MATSUMOTO Yasuo (20303159)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. TSUCHIDA Emiko (70210630)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. Igarashi Hironaka (20231128)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. 小田野幾雄 (90115014)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 樋口正一 (80208751)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 小田純一 (20152499)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 鈴木清隆 (40303169)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. KOBAYASHI Hajime

# of Collaborated Projects: 1 results

# of Collaborated Products: 11 results
22. YOSHIDA Akifumi

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
23. GOUDO Makoto

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
24. SUGAWARA Hideyoshi

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
25. 中島孝

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. MARASINGHE Janaka C

# of Collaborated Projects: 1 results

# of Collaborated Products: 13 results
27. 樋口健史

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
28. 大野健

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okubo Masaki 大久保 真樹

OHKUBO Masaki 大久保 真樹

Research Projects

Research Products

Co-Researchers

Method for determining spatial resolution with verification in iterative reconstruction CT imagesPrincipal Investigator

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Development of a method to assess cognitive reserve in Alzheimer's disease using chemical exchange saturation transfer MRI.

Principal Investigator

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Realistic three-dimensional virtual nodule based on spatial resolution in lung computed tomographyPrincipal Investigator

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Virtual nodule based on 3D spatial resolution in lung CT and its application to performance evaluation of computer-aided detection (CAD) systemPrincipal Investigator

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Performance evaluation of lung cancer CT screening CAD and developmant

Principal Investigator

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Conversion of CT image quality to suitable quality for images input into a computer-aided detection (CAD) system for lung cancerPrincipal Investigator

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Quantitative evaluation of small spherical structures in PSF-based CT image simulationPrincipal Investigator

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超高磁場MR装置を用いたプロトンスペクトロスコピーに関する基礎研究Principal Investigator

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BASICAND CLINICAL RESEARCH ON CONCURRENT CHEMORADIOTHERAPY WITH PROTRACTED LOW DOSE CONTINUOUS INFUSION OF 5-FU + CDDP FOR ESOPHAGEAL CANCER

Principal Investigator

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SPECT用の新しい放射性リガンドの合成と動態解析モデルの実験的研究

Principal Investigator

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^<123>I-IMP SPECTを用いたマイクロスフェア法による脳血流量測定法の評価Principal Investigator

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Research Institution

BASIC AND CLINICAL RESEARCH ON THE CONCURRENT CHEMORADIOTHERAPY WITH PROTRACTED LOW DOSE CONTINUOUS INFUSION OF 5-FLUOROURACIL

Principal Investigator

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Research Institution

Classification of Japanese Consonants in terms of Structured Modeling and Geometrical Interpretation of Dynamic Characteristics in Transient Parts

Principal Investigator

Project Period (FY)

Okubo Masaki 大久保真樹

OHKUBO Masaki 大久保真樹