雑誌/論文/学術発表

雑誌/論文/学術発表papers

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●AI Innovation Connect:ビジョンと共感 ― ヘルスケアの未来を拓く ―, 次世代放射線治療の実現(Ongoing), 2023年12月
●放射線治療かたろう会, AIコンツールの使用経験~転ばぬ先の杖, クララが立つ前に準備しておくこと~」, 第20回放射線治療システム研究分科会, 2022年10月
●ITvision誌 No.45, AI技術を用いたリアルタイム放射線治療による業務改善, 2022年2月
●NVIDIA Blog, NVIDIA Clara Imagingが放射線治療のリアルタイム化を加速, 2021年9月
●NVIDIA AI DAYS, AIが次世代放射線治療を実現する～リアルタイムで行う高精度放射線治療の開発～ , 2021年6月
●兵庫県放射線治療研究会「プログラミングの会」, Pythonが使えなくても、AI 始められる！？ NNCでセグメンテーションしてみたら, 2019年10月
●“Development of an adaptive therapy system using a mobile CT scanner for particle therapy”, 第118回日本医学物理学会学術大会, 2019年9月
●論文/学術発表
H Oka, D Kawahara, Y Murakami, “Radiomics-based prediction of recurrence for head and neck cancer patients using data imbalanced correction”, Computers in Biology and Medicine, Sep. 2024
●S Yamamoto, T Yamashita, Y Kobashi, T Yabe, T Akagi, M Yamaguchi, J Kataoka, “Optimization of a YAP (Ce) prompt X-ray camera for imaging with spot scanning proton beam at clinical dose levels”, Journal of Instrumentation, Dec. 2023
●Y Tominaga, M Suga, M Takeda, Y Yamamoto, T Akagi, T Kato, M Oita, “Dose-volume comparisons of proton therapy for pencil beam scanning with and without multi-leaf collimator and passive scattering in patients with lung cancer”, Medical Dosimetry, Nov. 2023
●壽賀正城, 原田秀一, 赤城卓, 清水勝一, 武田海邦, 田中慎一, 矢能稔啓, 「放射線治療における臓器輪郭自動抽出AIモデルの開発および評価」, 第18回兵庫県立病院学会, 2023年9月
●前畑伊採, 壽賀正城, 西田素子, 小橋一輝, 王天縁, 大崎聖太, 井田亮二, 川﨑涼平, 下村広, 矢能稔啓, 「Eclipse Scripting APIを用いた放射線治療計画用輪郭の自動作成」, 第18回兵庫県立病院学会, 2023年9月
●Hiroki Oka, Daisuke Kawahara, Akito Saito, Yuji Murakami, Yasushi Nagata, “Radiomics-Based Prediction of Recurrence for Head and Neck Cancer Patients Using Data Imbalanced Correction”, AAPM2023 65th Annual Meeting & Exhibition, Jul. 2023
●Misato Kishi, Daisuke Kawahara, Hiroki Oka, Riku Nishioka, Iemasa Koh, Katsuyuki Tomono, Ikuno Nishibuchi, Yuji Murakami, “CT-Based Machine Learning for Prediction of Residual Tumor in Ovarian Cancer after Surgery By Data Imbalance Correction Method”, AAPM2023 65th Annual Meeting & Exhibition, Jul. 2023
●S Yamamoto, T Yamashita, Y Kobashi, T Yabe, T Akagi, M Yamaguchi, J Kataoka, “Simultaneous imaging of prompt gamma photons and prompt X-rays during irradiation of proton beams to human torsophantom at clinical dose level”, Journal of Instrumentation, Jul. 2023
●S Yamamoto, T Yamashita, Y Kobashi, T Yabe, T Akagi, M Yamaguchi, J Kataoka, “Simultaneous imaging of luminescence and prompt X-rays during irradiation with spot-scanning proton beams at clinical dose level”, Biomedical Physics and Engineering Express, Jun. 2023
●S Yamamoto, T Yabe, T Akagi, M Yamaguchi, N Kawachi, K Kamada, J Kataoka, “Prompt X-ray imaging during irradiation with spread-out Bragg peak (SOBP) beams of carbon ions”, Physica Medica, May. 2023
●T Akagi, T Maeda, M Suga, T Yamashita, “Formation of spread-out Bragg peak for helium-ion beam using microdosimetric kinetic model”, Physica Medica, May. 2023
●Masaki Suga, Syuichi Harada, Tianyuan Wang, Takashi Akagi, Masakazu Shimizu, Mikuni Takeda, Sinichi Tanaka Hina Nishimura, Megumi Beppu, Toshihiro Yanou, “Development and evaluation of AI models for automatic organ segmentation in radiotherapy”, 第125回日本医学物理学会学術集会, 2023年4月
●Misato Kishi, Daisuke Kawahara, Hiroki Oka, Riku Nishioka, Akito Saito, Iemasa Koh, Katsuyuki Tomono, Ikuno Nishibuchi, Yuji Murakami, Yasusi Nagata, “AI-based Outcome Prediction for Ovarian Cancer Using Data Imbalance Correction Method”, 第125回日本医学物理学会学術集会, 2023年4月
●Reo Isobe, Daisuke Kawahara, Hiroki Oka, Riku Nishioka, Akito Saito, Nobuki Imano, Ikuno Nishibuchi, Yuji Murakami, Yasusi Nagata, “Radiomics Analysis and Machine Learning for Non-Small Cell Lung Cancer Patients to Predict Recurrence after Surgery”, 第125回日本医学物理学会学術集会, 2023年4月
●S Yamamoto, T Yabe, T Akagi, M Yamaguchi, N Kawachi, K Kamada, J Kataoka, “Development of a list-mode data acquisition system for prompt X-ray imaging during irradiation with carbon-ions”, Journal of Instrumentation, Apr. 2023
●S Yamamoto, T Yabe, T Akagi, J Kataoka, “Luminescence imaging of helium ions during irradiation to water and to an acrylic block”, Journal of Instrumentation, Feb. 2023
●Y Tominaga, M Oita, T Akagi, J Miyata, S Harada, T Matsuda, M Kuroda, “Comparison of the Dose Calculation Accuracy between the Commercial Pencil Beam Algorithm and Various Statistical Uncertainties with Monte Carlo Algorithm in New Proton Pencil Beam Scanning System”, Radiation Environment and Medicine, Feb. 2023
●岸美里, 河原大輔, 岡宏貴, 西岡陸, 古宇家正, 友野勝幸, 西淵いくの, 村上祐司, 永田靖, 「データ不均衡補正法を用いた卵巣癌における手術完遂度AI予測モデルの構築」, 第27回広島放射線治療研究会, 2022年12月
●S Yamamoto, T Yabe, K Yogo, T Akagi, J Kataoka, “Short time sequential luminescence imaging of water during irradiation by protons”, Journal of Instrumentation, Dec. 2022
●Y Tominaga, Y Sakurai, J Miyata, S Harada, T Akagi, M Oita, “Validation of pencil beam scanning proton therapy with multi-leaf collimator calculated by a commercial Monte Carlo dose engine”, Journal of Applied Clinical Medical Physics, Dec. 2022
●岡宏貴, 河原大輔, 齋藤明登, 村上祐司, 永田靖, 「データ不均衡補正法を用いた頭頸部癌患者に対する放射線治療後のAI予後予測精度の改善」, 日本放射線腫瘍学会第35回学術大会, 2022年11月
●S Yamamoto, T Yamashita, Y Kobashi, Y Hirano, T Akagi, H Yokokawa, J Kataoka, “Cherenkov-light imaging of induced positron distribution in liquid water after proton beam irradiation”, Journal of Instrumentation, Nov. 2022
●S Yamamoto, T Yabe, T Akagi, M Yamaguchi, N Kawachi, K Kamada, J Kataoka, “Advantages of using larger-diameter pinhole collimator for prompt X-ray imaging during irradiation with carbon ions”, Journal of Instrumentation, Sep. 2022
●S Yamamoto, T Yabe, T Akagi, J Kataoka, “Differences of the intensity increase of optical signals with Fluorescein between Cherenkov-light and luminescence of water”, Japanese journal of applied physics, Aug. 2022
●岡宏貴, 河原大輔, 齋藤明登, 村上祐司, 永田靖, 「データ不均衡を補正した頭頸部がん患者に対する放射線治療後のAI予後予測」, 第26回広島放射線治療研究会, 2022年5月
●M Yagi, Y Takahashi, K Minami, T Matsuura, Nam J.M., Y Onodera, K Ogawa, “A consistent protocol reveals a large heterogeneity in the biological effectiveness of proton and carbon-ion beams for various sarcoma and normal-tissue-derived cell lines”, Apr. 2022
●清水勝一, 兵庫県立病院診療放射線技師会放射線治療部会研修会, 「AIを用いて作成した臓器輪郭の視覚評価」, 2022年01月
●壽賀正城, 「AIを用いた自動輪郭抽出モデルの開発・導入」, 第2回日本粒子線治療技術研究会, 2021年12月
●S Yamamoto, T Yabe, T Akagi, Y Hirano, “Imaging of polarized components of Cerenkov light and luminescence of water during carbon-ion irradiation”, Medical Physics, Nov. 2021
●M Kitano, S Yamamoto, T Akagi, T Toshino, M Yamaguchi, N Kawachi, “Imaging and range estimations of prompt X-rays using YAP (Ce) camera during particle-ion irradiation to phantoms with air cavities”, Journal of Instrumentation, Aug. 2021
●S Yamamoto, T Yabe, T Akagi, “Luminescence imaging of non-uniform phantoms during irradiation of protons”, Journal of Instrumentation, Jul. 2021
●S Yamamoto, T Yabe, T Akagi, “Feasibility study of an efficient method to measure depth profile of particle ions using a wedge-shaped acrylic block”, Journal of Instrumentation, Jul. 2021
●S Yamamoto, T Yabe, T Akagi, “Possibility evaluation of the optical imaging of proton mini-beams”, Physics in Medicine and Biology, Jun. 2021
●S Yamamoto, T Yabe, T Akagi, “Increase in the intensity of an optical signal with fluorescein during proton and carbon-ion irradiation”, Journal of Applied Clinical Medical Physics, Jun. 2021
●S Yamamoto, T Akagi, M Yamaguchi, N Kawachi, “Estimation of the origins and fractions of emitted light from acrylic block during irradiation of carbon-ion”, Journal of Instrumentation, Jan. 2021
●S Yamamoto, T Akagi, T Yabe, K Kamada, A Yoshikawa, “An efficient method to measure the quenching effect of scintillators for particle-ion beams”, “Journal of Instrumentation”, Sep. 2020
●M Yamaguchi, S Yamamoto, M Kitano, Y Kubota, M Sakai, T Akagi, N Kawachi, “Estimation of shifts of therapeutic carbon-ion beams owing to cavities in a polyethylene target by measuring prompt X-ray images”, Japanese journal of applied physics, Jul. 2020
●T Yabe, S Yamamoto, M Oda, K Mori, T Toshito, T Akagi, “Prediction of dose distribution from luminescence image of water using a deep convolutional neural network for particle therapy”, Medical Physics, Jul. 2020
●T Yabe, T Akagi, S Yamamoto, “Estimation and correction of Cerenkov-light on luminescence image of water for carbon-ion therapy dosimetry”, Physica Medica, Jun. 2020
●S Yamamoto, M Yamaguchi, T Akagi, M Kitano, N Kawachi, “Sensitivity improvement of YAP (Ce) cameras for imaging of secondary electron bremsstrahlung X-ray emitted during carbon-ion irradiation: problem and solution”, Physics in Medicine and Biology, May. 2020
●S Yamamoto, T Akagi, Y Hirano, M Komori, “Measurements of temporal response of luminescence of water at lower energy than Cerenkov-light threshold during carbon-ion irradiation”, Biomedical Physics and Engineering Express, May. 2020
●M Yamaguchi, Liu C C, Huang H M, T Yabe, T Akagi, N Kawachi, S Yamamoto, “Dose image prediction for range and width verifications from carbon ion-induced secondary electron bremsstrahlung X-ray using deep learning workflow”, Medical physics, Apr. 2020
●T Yube,M Komori,T Akagi,T Yamashita, S Yamamoto, “Imaging of fragment particle in water by nuclear spallation during carbon-ion irradiation”, Physics in Medicine and Biology, Jul. 2019
●S Yamamoto, M Yamaguchi, T Akagi, M Sasano, N Kawachi, “Development of a YAP (Ce) camera for the imaging of secondary electron bremsstrahlung X-ray emitted during carbon-ion irradiation toward the use of clinical conditions”, Physics in Medicine and Biology, Jul. 2019
●M Takagi, Y Demizu, F Nagano, K Terashima, O Fujii, D Jin, M Mima, Y Niwa, K Katsui, M Suga, T Yamashita, T Akagi, KI Sakata, N Fuwa, T Okimoto, “Treatment outcomes of proton or carbon ion therapy for skull base chordoma: a retrospective study”, Radiat Oncol, Nov. 2018
●赤城卓, 冨永裕樹, 「RayStationのCT値-水等価厚変換と多二元校正法の比較」, 第116回日本医学物理学会学術大会, 2018年9月
●岸上祐加子, 赤城卓, 綱澤勝之, 冨永裕樹, 多田光寿, 山中将史, 小泉雅彦, 「陽子線スポットスキャニングにおけるレンジシフタが線量分布に与える影響」, 第116回日本医学物理学会学術大会, 2018年9月
●T Yabe, M Sasano, Y Hirano, T Toshito, T Akagi, T Yamashita, M Hayashi, T Azuma, Y Sakamoto, M Komori, S Yamamoto, “Addition of luminescence process in Monte Carlo simulation to precisely estimate the light emitted from water during proton and carbon-ion irradiation”, Phys Med Biol, Jun. 2018
●Yushi Wakisaka, Takashi Akagi, Katsuyuki Tsunazawa, Yuki Tominaga, Mitsutoshi Tada, Tomoaki Okimoto, Masahiko Koizumi, “A noble method for determination of beam-halo characteristics in proton pencil beam scanning fields”, 8th Japan-Korea Joint Meeting on Medical Physics, Sep. 2017
●Manami Sakata, Takashi Akagi, Takuya Maeda, Tomoaki Okimoto, Tomohiro Yamashita, Masaki Suga, Masahiko Koizumi, “Determination of MKM parameters for breast cancer cells in carbon-ion radiotherapy”, 8th Japan-Korea Joint Meeting on Medical Physics, Sep. 2017
●Y Demizu, D Jin, NS Sulaiman, F Nagano, K Terashima, S Tokumaru, T Akagi, O Fujii, T Daimon, R Sasaki, N Fuwa, T Okimoto, “Particle Therapy Using Protons or Carbon Ions for Unresectable or Incompletely Resected Bone and Soft Tissue Sarcomas of the Pelvis”, Int J Radiat Oncol Biol Phys, Jun. 2017
●平井諒太, 赤城卓, 前田拓也, 壽賀正城, 富永孝宏, 笛吹修治, 隅田寛, 「異なる癌細胞に対する炭素線の生物反応」, 第112回日本医学物理学会学術大会, 2016年9月
●多田光寿, 冨永裕樹, 綱澤勝之, 山本崇裕, 山田芳幸, 原田秀一, 赤城卓, 櫻井勇介, 松田哲典, 「津山中央病院の新陽子線治療装置コミッショニングにおける格子走査法の原理と検証方法の報告」, 第112回日本医学物理学会学術大会, 2016年9月
●山中将史, 赤城卓, 山下智弘, 壽賀正城, 高階正彰, 小泉雅彦, 「陽子線治療における二次粒子の線量寄与の評価」, 第112回日本医学物理学会学術大会, 2016年9月
●S Yamamoto, M Komori, T Akagi, T Yamashita, S Koyama, Y Morishita, E Sekihara, T Toshito, “Luminescence imaging of water during carbon-ion irradiation for range estimation”, Med Phys, May. 2016
●多田光寿, 赤城卓, 原田秀一, 壽賀正城, 片平慶, 富永孝宏, 笛吹修治, 「新しいコーンビーム重イオンCTの開発」, 第110回日本医学物理学会学術大会, 2015年9月
●O Fujii, Y Demizu, N Hashimoto, M Takagi, K Terashima, M Mima, D Jin, F Nagano, K Katsui, T Okimoto, H Iwata, Y Niwa, T Yamashita, T Akagi, T Daimon, R Sasaki, Y Hishikawa, M Abe, M Murakami, N Fuwa, “Particle therapy for clinically diagnosed stage I lung cancer: comparison with pathologically proven non-small cell lung cancer”, Acta Oncol, Mar. 2015
●M Takagi, Y Demizu, N Hashimoto, M Mima, K Terashima, O Fujii, D Jin, Y Niwa, K Morimoto, T Akagi, T Daimon, R Sasaki ,Y Hishikawa, M Abe, M Murakami, N Fuwa, “Treatment outcomes of particle radiotherapy using protons or carbon ions as a single-modality therapy for adenoid cystic carcinoma of the head and neck”, Radiat Oncol, Dec. 2014a
●NS Sulaiman, O Fujii, Y Demizu, K Terashima, Y Niwa, T Akagi, T Daimon, M Murakami, R Sasaki, N Fuwa, “Particle beam radiation therapy using carbon ions and protons for oligometastatic lung tumor”, Radiat Oncol, Aug. 2014