Title:
RADIONUCLIDE FRACTIONATION APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO/2022/225094
Kind Code:
A1
Abstract:
The present invention relates to a radionuclide fractionation apparatus and method, and comprises: a radiation input unit that changes energy input from one or more radiation sources into light; a spectrum converting unit that captures light generated from the radiation input unit and converts same into an energy spectrum; a peak-detecting unit that compares an energy value corresponding to a peak value of an energy-weighted spectrum which is an energy spectrum to which an energy weight is applied, with an energy value of a Compton edge of the radiation source; a machine learning model unit that analyzes a feature of the energy-weighted spectrum, and executes training on the entire shape of the energy-weighted spectrum; and a radionuclide fractionation unit that discriminates a nuclide on the basis of the peak value of the peak-detecting unit or feature information analyzed by the machine learning model unit.
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Inventors:
MIN CHUL HEE (KR)
LEE HYUN CHEOL (KR)
KOO BON TACK (KR)
LEE HYUN CHEOL (KR)
KOO BON TACK (KR)
Application Number:
PCT/KR2021/006918
Publication Date:
October 27, 2022
Filing Date:
June 03, 2021
Export Citation:
Assignee:
NEOSISKOREA CO LTD (KR)
International Classes:
G01T1/38; G01T1/20; G01T1/203; G01T1/36; G06N20/00
Foreign References:
| KR20160060208A | 2016-05-30 | |||
| KR102051576B1 | 2019-12-05 | |||
| JP2021039000A | 2021-03-11 |
Other References:
KOO BON TACK; LEE HYUN CHEOL; BAE KIHUN; KIM YONGKWON; JUNG JINHUN; PARK CHANG SU; KIM HONG-SUK; MIN CHUL HEE: "Development of a radionuclide identification algorithm based on a convolutional neural network for radiation portal monitoring system", RADIATION PHYSICS AND CHEMISTRY, ELSEVIER, AMSTERDAM, NL, vol. 180, 27 November 2020 (2020-11-27), AMSTERDAM, NL , XP086433809, ISSN: 0969-806X, DOI: 10.1016/j.radphyschem.2020.109300
"Thesis (Doctoral)", 28 February 2021, THE GRADUATE SCHOOL YONSEI UNIVERSITY DEPARTMENT OF RADIOLOGICAL SCIENCE, KR, article LEE, HYUN CHEOL: "Development of Radionuclide Identification Method Based on Energy Weighting and Multi-array Plastic Scintillator in Radiation Portal Monitor System", pages: 1 - 100, XP009540697
LEE HYUN CHEOL, KOO BON TACK, CHOI CHANG IL, PARK CHANG SU, KWON JEONGWAN, KIM HONG-SUK, CHUNG HEEJUN, MIN CHUL HEE: "Evaluation of Source Identification Method Based on Energy-Weighting Level with Portal Monitoring System Using Plastic Scintillator", J RADIAT PROT > VOLUME 37(4);2012 > ARTICLE JOURNAL OF RADIATION PROTECTION, vol. 45, no. 3, 30 September 2020 (2020-09-30), pages 117 - 129, XP055978528, ISSN: 2508-1888, DOI: 10.14407/jrpr.2020.45.3.117
"Thesis (Doctoral)", 28 February 2021, THE GRADUATE SCHOOL YONSEI UNIVERSITY DEPARTMENT OF RADIOLOGICAL SCIENCE, KR, article LEE, HYUN CHEOL: "Development of Radionuclide Identification Method Based on Energy Weighting and Multi-array Plastic Scintillator in Radiation Portal Monitor System", pages: 1 - 100, XP009540697
LEE HYUN CHEOL, KOO BON TACK, CHOI CHANG IL, PARK CHANG SU, KWON JEONGWAN, KIM HONG-SUK, CHUNG HEEJUN, MIN CHUL HEE: "Evaluation of Source Identification Method Based on Energy-Weighting Level with Portal Monitoring System Using Plastic Scintillator", J RADIAT PROT > VOLUME 37(4);2012 > ARTICLE JOURNAL OF RADIATION PROTECTION, vol. 45, no. 3, 30 September 2020 (2020-09-30), pages 117 - 129, XP055978528, ISSN: 2508-1888, DOI: 10.14407/jrpr.2020.45.3.117
Attorney, Agent or Firm:
YEONWOO IP CONSULTING GROUP (KR)
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