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Congress: ECR25
Poster Number: C-11924
Type: Poster: EPOS Radiographer (educational)
DOI: 10.26044/ecr2025/C-11924
Authorblock: T. Asahara1, H. Hayashi2, S. Okada1, C. Yamaguchi1, N. Kimoto3, S. Goto2, R. Nishigami2, Y. Morimitsu1, T. Iguchi1; 1Okayama/JP, 2Kanazawa/JP, 3Fukuoka/JP
Disclosures:
Takashi Asahara: Nothing to disclose
Hiroaki Hayashi: Grant Recipient: JSPS Kakenhi, Japan, 24K03306
Shunsuke Okada: Nothing to disclose
Chihiro Yamaguchi: Nothing to disclose
Natsumi Kimoto: Nothing to disclose
Sota Goto: Nothing to disclose
Rina Nishigami: Nothing to disclose
Yusuke Morimitsu: Nothing to disclose
Toshihiro Iguchi: Nothing to disclose
Keywords: Forensic / Necropsy studies, Radiation physics, Radiographers, CT, CT-Quantitative, Experimental investigations, Physics, Forensics, Image verification
References
  1. Krishan K, Kanchan T, Garg AK. Dental Evidence in Forensic Identification-An Overview, Methodology and Present Status. The Open Dentistry Journal. 2015;9:250–256. Doi: 10.2174/1874210601509010250.
  2. McCollough CH, Rajendran K, Leng S, Yu L, Fletcher JG, Stierstorfer K, Flohr TG. The technical development of photon-counting detector CT. European Radiology. 2023;33:5321–5330. Doi: 10.1007/s00330-023-09545-9.
  3. Flohr T, Petersilka M, Henning A, Ulzheimer S, Ferda J, Schmidt B. Photon-counting CT review. Physica Medica. 2020;79:126–136. Doi: 10.1016/j.ejmp.2020.10.030.
  4. Hayashi H, Kimoto N, Asahara T, Asakawa T, Lee C, Katsumata A. Photon counting detectors for X-ray imaging: Physics and applications. Springer Nature, Switzerland AG; 2021. Doi: 10.1007/978-3-030-62680-8.
  5. Kimoto N, Hayashi H, Asahara T, Mihara Y, Kanazawa Y, Yamakawa T, Yamamoto S, Yamasaki M, Okada M. Precise material identification method based on a photon counting technique with correction of the beam hardening effect in X-ray spectra. Applied Radiation and Isotopes. 2017;124:16–26. Doi: 10.1016/j.apradiso.2017.01.049.
  6. Kimoto N, Hayashi H, Asakawa T, Lee C, Asahara T, Maeda T, Goto S, Kanazawa Y, Katsumata A, Yamamoto S, Okada M. Effective atomic number image determination with an energy-resolving photon-counting detector using polychromatic X-ray attenuation by correcting for the beam hardening effect and detector response. Applied Radiation and Isotopes. 2021;170:109617. Doi: 10.1016/j.apradiso.2021.109617.
  7. Nishigami R, Kobayashi D, Kimoto N, Asahara T, Maeda T, Haba T, Kanazawa Y, Yamamoto S, Hayashi H, Optimization of energy windows to calculate quantitative X-ray images using an energy-resolving photon-counting detector: a simulation study. Radiation Physics and Chemistry. 2025;229:112460. Doi: 10.1016/j.radphyschem.2024.112460.
  8. Kobayashi D, Hayashi H, Nishigami R, Maeda T, Asahara T, Kanazawa Y, Katsumata A, Kimoto N, Yamamoto S. A Blurring Correction Method Suitable to Analyze Quantitative X-ray Images Derived from Energy-Resolving Photon Counting Detector. Physics in Medicine and Biology. 2024;69:075023. Doi: 10.1088/1361-6560/ad3119.
  9. Asahara T, Okada S, Hayashi H, Maeda T, Nishigami R, Kobayashi D, Kurose C, Kimoto N, Goto S, Hisatomi M, Yanagi Y, Iguchi T. Helpfulness of effective atomic number image in forensic dental identification: photon-counting computed tomography is suitable. Computers in Biology and Medicine. 2025;184:109333. Doi: 10.1016/j.compbiomed.2024.109333.
  10. Hubbell JH,. Photon mass attenuation and energy-absorption coefficients. Applied Radiation and Isotopes 1982;33: 1269–1290. https://doi.org/10.1016/0020-708X(82)90248-4
  11. Spiers FW. Effective Atomic Number and Energy Absorption in Tissues. British Journal of Radiology. 1946;19:52–63. Doi: 10.1259/0007-1285-19-218-52.
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