Development of a radionuclide identification algorithm based on a convolutional neural network for radiation portal monitoring system

BT Koo, HC Lee, K Bae, Y Kim, J Jung, CS Park… - Radiation Physics and …, 2021 - Elsevier
At border crossings around the world, plastic scintillator-based radiation portal monitors
(RPMs) are employed to detect the presence of illicit radioactive materials in large trailer …

Multi-radioisotope identification algorithm using an artificial neural network for plastic gamma spectra

J Kim, K Park, G Cho - Applied Radiation and Isotopes, 2019 - Elsevier
Radioisotope identification using a plastic scintillation detector has been a challenging issue
because of the poor spectral resolution and low cross-sections of these types of detectors …

[HTML][HTML] Pseudo-gamma spectroscopy based on plastic scintillation detectors using multitask learning

B Jeon, J Kim, E Lee, M Moon, G Cho - Sensors, 2021 - mdpi.com
Although plastic scintillation detectors possess poor spectroscopic characteristics, they are
extensively used in various fields for radiation measurement. Several methods have been …

Validation of energy-weighted algorithm for radiation portal monitor using plastic scintillator

HC Lee, WG Shin, HJ Park, DH Yoo, CI Choi… - Applied Radiation and …, 2016 - Elsevier
To prevent illicit tracking of radionuclides, radiation portal monitor (RPM) systems employing
plastic scintillators have been used in ports and airports. However, their poor energy …

Comparison of machine learning-based radioisotope identifiers for plastic scintillation detector

B Jeon, J Kim, Y Yu, M Moon - Journal of Radiation Protection and …, 2021 - koreascience.kr
Background: Identification of radioisotopes for plastic scintillation detectors is challenging
because their spectra have poor energy resolutions and lack photo peaks. To overcome this …

[HTML][HTML] Radionuclide identification based on energy-weighted algorithm and machine learning applied to a multi-array plastic scintillator

HC Lee, BT Koo, JY Jeon, BW Cheon, DH Yoo… - Nuclear Engineering …, 2023 - Elsevier
Radiation portal monitors (RPMs) installed at airports and harbors to prevent illicit trafficking
of radioactive materials generally use large plastic scintillators. However, their energy …

Dynamic radionuclide identification using energy weighted algorithm with commercialized radiation portal monitor based on plastic scintillators

HC Lee, HJ Choi, BT Koo, CI Choi, CS Park… - Radiation Physics and …, 2020 - Elsevier
A radiation portal monitoring (RPM) system, which detects illegal radioactive materials at
ports or airports, mainly consists of plastic scintillators made of polyvinyl toluene with poor …

[HTML][HTML] Reconstruction of Compton edges in plastic gamma spectra using deep autoencoder

B Jeon, Y Lee, M Moon, J Kim, G Cho - Sensors, 2020 - mdpi.com
Plastic scintillation detectors are widely utilized in radiation measurement because of their
unique characteristics. However, they are generally used for counting applications because …

Efficient liquid scintillator loaded with a light-emitting conjugated oligomer for beta-and gamma-ray spectroscopic measurements

NN Asemi, MJ Aljaafreh, S Prasad, S Aldawood… - Radiation …, 2022 - Elsevier
Liquid scintillation (LS) counting is a common way to detect and measure radioactivity
because it has a better time resolution and can discriminate between neutrons and gamma …

Radioisotope identification using an energy-weighted algorithm with a proof-of-principle radiation portal monitor based on plastic scintillators

HC Lee, W Shin, HJ Choi, CI Choi, CS Park… - Applied Radiation and …, 2020 - Elsevier
In this study, we validated the feasibility of an energy weighted algorithm that highlights a
characteristic area including the Compton edge as a single peak in a proof-of-principle …