Multilabel proportion prediction and out-of-distribution detection on gamma spectra of short-lived fission products

A Van Omen, T Morrow, C Scott, E Leonard - Annals of Nuclear Energy, 2024 - Elsevier
In the machine learning problem of multilabel classification, the objective is to determine for
each test instance which classes the instance belongs to. In this work, we consider an …

A novel methodology for gamma-ray spectra dataset procurement over varying standoff distances and source activities

AP Fjeldsted, TJ Morrow, C Scott, Y Zhu… - Nuclear Instruments and …, 2024 - Elsevier
The adoption of machine learning approaches for gamma-ray spectroscopy has received
considerable attention in the literature. Many studies have investigated the deployment of …

Attention-Unet Based Gamma-ray Full Spectrum Qualitative and Quantitative Analysis Method

SX Zeng, R Shi, G Yang, X Zeng, Z Wang… - Radiation Physics and …, 2025 - Elsevier
Rapid full-spectrum analysis of gamma-ray spectra is crucial for public radiation safety.
Existing analytical algorithms face challenges in low-count, low-resolution, and overlap** …

Machine learning framework for predicting uranium enrichments from M400 CZT gamma spectra

JW Bae, J Hu - Nuclear Instruments and Methods in Physics Research …, 2024 - Elsevier
A machine learning framework was developed for predicting uranium enrichments from
M400 CZT gamma spectra. This framework leverages the availability of a large amount of …

[HTML][HTML] The Evaluation of Machine Learning Techniques for Isotope Identification Contextualized by Training and Testing Spectral Similarity

AP Fjeldsted, TJ Morrow, CD Scott, Y Zhu… - Journal of Nuclear …, 2024 - mdpi.com
Precise gamma-ray spectral analysis is crucial in high-stakes applications, such as nuclear
security. Research efforts toward implementing machine learning (ML) approaches for …

[PDF][PDF] A Semi-Supervised Model for Multi-Label Radioisotope Classification and Out-of-Distribution Detection

AJ Van Omen - 2023 - osti.gov
In the machine learning problem of multi-label classification, the objective is to determine for
each test instance which classes the instance belongs to. In this work, we consider multi …

Machine learning techniques to determine elemental concentrations from raw IBA spectra

DD Cohen, J Crawford - Nuclear Instruments and Methods in Physics …, 2024 - Elsevier
For many decades we have run MeV protons beams together with four IBA spectra
simultaneously to obtain over 35 different elemental concentrations on any given target …

[HTML][HTML] TraGamma–A digital service for validating gamma-ray spectrometry analysis software

MO Stein, H Fleischhack, S Röttger - Measurement: Sensors, 2024 - Elsevier
Gamma-ray spectrometry is an important analytical technique for identifying and quantifying
radioactive nuclides in samples. Depending on the specific tasks the data evaluation can be …

Enhancing radioisotope identification in gamma spectra with transfer learning

P Lalor - arxiv preprint arxiv:2412.07069, 2024 - arxiv.org
Machine learning methods in gamma spectroscopy have the potential to provide accurate,
real-time classification of unknown radioactive samples. However, obtaining sufficient …

[PDF][PDF] An Efficient and Effective Machine Learning Framework for Compositional Data: A Study in Radioisotope Identification

S Zhang - 2024 - livrepository.liverpool.ac.uk
Abstract Machine learning methods are emerging as leading approaches for automated
high-throughput analysis and discovery in materials science. One specific challenge in this …