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技術編: 検出器の技術革新から知るPCD-CT Invited
淺原 孝
第9回 中国SOMATOM研究会 2024.9.5
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Convenient procedure to determine a dose reduction factor of the collar-type thyroid shield used for the chest CT examination
Kazuki Takegami, Hiroaki Hayashi, Tatsuya Maeda, Sota Goto, Takashi Asahara, Rina Nishigami, Daiki Kobayashi, Shuichi Murakami, Takeshi Konishi, Motochika Maki
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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A novel evaluation procedure of X-ray shielding ability by estimating X-ray incident direction during helical CT examination
Tetsuya Maeda, Hiroaki Hayashi, Sota Goto, Kazuki Takegami, Takashi Asahara, Daiki Kobayashi, Rina Nishigami, Takeshi Konishi, Shuichi Murakami, Motochika Maki
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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A novel analysis method to determine surface radiation dose taking into account the incident angle of X-rays during a helical scanning CT examination
Sota Goto, Hiroaki Hayashi, Tatsuya Maeda, Kazuki Takegami, Rina Nishigami, Daiki Kobayashi, Takashi Asahara, Yuki Kanazawa
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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A correction method for image blurring to derive accurate quantitative material information using an energy resolving photon counting detector
Daiki Kobayashi, Hiroaki Hayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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Discrimination of non-metal dental material using photon counting CT toward identifying human remains
Takashi Asahara, Shunsuke Okada, Chihiro Kurose, Hiroaki Hayashi, Rina Nishigami, Daiki Kobayashi, Sota Goto, Yusuke Morimitsu, Noriaki Akagi, Mitsugi Honda
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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Suitability of High Tube Voltage Imaging for General Radiography When Using Energy Resolving Photon Counting Detectors
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Tomonobu Haba, Natsumi Kimoto, Shuichiro Yamamoto
The 3rd International Conference on Radiological Physics and Technology (ICRPT) 2024.4
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Direct dose measurement method during chest CT examination by taking into consideration the X-ray incident direction
Hiroaki HAYASHI, Tatsuya MAEDA, Sota GOTO, Kazuki TAKEGAMI, Takashi ASAHARA, Rina NISHIGAMI, Daiki KOBAYASHI, Yuki KANAZAWA, Kazuta YAMASHITA
European Congress of Radiology, ECR2024 2024.2
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Applicability of high tube voltage imaging to achieve accurate quantitative images when applying photon counting detectors to general radiography
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
SPIE Medical Imaging 2024 2024.2
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Will general radiography become more valuable when exploiting the performance of a photon counting detector?
Daiki KOBAYASHI, Hiroaki HAYASHI, Rina NISHIGAMI, Cheonghae LEE, Tatsuya MAEDA, TAKASHI ASAHARA, Yuki KANAZAWA, Akitoshi KATSUMATA, Natsumi KIMOTO, Shuichiro YAMAMOTO
The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America 2023.11
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Simulation study on functional images to optimize radiographic condition using energy resolving photon counting detector
Rina Nishigami, Hiroaki Hayashi, Daiki Kobayashi, Cheonghae Lee, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Natsumi Kimoto, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference 2023.11
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散乱X線の入射角度を解析できる新しい概念のアクティブ型線量計の設計とIVRでの使用を想定した実証実験
前田直輝, 淺原孝, 山内崇嗣, 本田貢, 林裕晃, 前田達哉, 小林大空, 井上智洋, 小林大地, 池上愛
第19回中四国放射線医療技術フォーラムCSFRT2023 2023.11
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使用経験から知るフォトンカウンティングCT ～検出器の技術革新を理解する～ Invited
淺原 孝
第18回 九州放射線医療技術学術大会シンポジウム 2023.11
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Automatic determination algorithm of intrinsic parameters on response function of energy-resolving photon counting imaging detector
Cheonghae Lee, Hiroaki Hayashi, Daiki Kobayashi, Rina Nishigami, Tatsuya Maeda, Takashi Asahara, Yuki Kanazawa, Akitoshi Katsumata, Natsumi Kimoto, Shuichiro Yamamoto
The 2023 IEEE Nuclear Science Symposium and Medical Imaging Conference 2023.11
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How can we establish direct radiation dose measurement during CT examinations?
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Sota GOTO, Rina NISHIGAMI, Daiki KOBAYASHI, Takashi ASAHARA, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO
The 109th Scientific Assembly and Annual Meeting of the Radiological Society of North America 2023.11
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フォトンカウンティングCTを用いた実効原子番号画像による非金属歯科材料の弁別
淺原孝, 岡田俊輔, 李青海, 林裕晃, 黒瀬千尋, 森光祐介, 赤木憲明, 本田貢, 西上莉奈, 小林大空
第51回日本放射線技術学会秋季学術大会 2023.10
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Feasibility study of X-ray shielding procedure for reducing thyroid dose caused by overranging effect during CT examination
Kazuki Takegami, Tatsuya Maeda, Hiroaki Hayashi, Rina Nishigami, Cheonghae Lee, Takashi Asahara, Sota Goto, Shuichiro Murakami, Takeshi Konishi, Motochika Maki
the 39th Japan Conference of Radiological Technologists（39JCRT）and the 30th East Asia Conference of Radiological Technologists (30EACRT) 2023.9
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Evidence of exposure dose reduction outside the scanning region during fast scan chest CT examination through the use of an X-ray shield
Hiroaki HAYASHI, Tatsuya MAEDA, Kazuki TAKEGAMI, Rina NISHIGAMI, Daiki KOBAYASHI, Cheonghae LEE, Takashi ASAHARA, Sota GOTO, Miku ANDO, Yuki KANAZAWA, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
20th International Conference on Solid State Dosimetry (SSD20) 2023.9
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Exposure Dose Reduction in Medical X-ray Diagnostics for BMD Measurement
Tatsuya MAEDA, Hiroaki HAYASHI, Miku ANDO, Rina NISHIGAMI, Daiki KOBAYASHI, Cheonghae LEE, Takashi ASAHARA, Sota GOTO, Kazuki TAKEGAMI, Kazuta YAMASHITA, Kosaku HIGASHINO, Shuichi MURAKAMI, Takeshi KONISHI, Motochika MAKI
20th International Conference on Solid State Dosimetry (SSD20) 2023.9
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An active-type personal dosimeter having functions to derive both incident direction and absolute dose of scattered X-rays during clinical X-ray examinations
Takashi ASAHARA, Hiroaki HAYASHI, Tatsuya MAEDA, Daiki KOBAYASHI, Sota GOTO, Rina NISHIGAMI, Miku ANDO, Cheonghae LEE, Yuki KANAZAWA, Kazuta YAMASHITA, Naoki MAEDA, Satoshi IMAJO, Mitsugi HONDA
20th International Conference on Solid State Dosimetry (SSD20) 2023.9