Advances in nuclear radiation sensing: Enabling 3-D gamma-ray vision

K Vetter, R Barnowski, JW Cates, A Haefner, THY Joshi… - Sensors, 2019 - mdpi.com
The enormous advances in sensing and data processing technologies in combination with
recent developments in nuclear radiation detection and imaging enable unprecedented and …

Free-moving quantitative gamma-ray imaging

D Hellfeld, MS Bandstra, JR Vavrek, DL Gunter… - Scientific reports, 2021 - nature.com
The ability to map and estimate the activity of radiological source distributions in unknown
three-dimensional environments has applications in the prevention and response to …

Real-time free-moving active coded mask 3D gamma-ray imaging

D Hellfeld, P Barton, D Gunter… - … on Nuclear Science, 2019 - ieeexplore.ieee.org
The ability to localize and map the distribution of gamma-ray emitting radionuclides in 3D
has applications ranging from medical imaging to nuclear security. In the case of …

Radiation image reconstruction and uncertainty quantification using a Gaussian process prior

J Lee, TH Joshi, MS Bandstra, DL Gunter, BJ Quiter… - Scientific Reports, 2024 - nature.com
We propose a complete framework for Bayesian image reconstruction and uncertainty
quantification based on a Gaussian process prior (GPP) to overcome limitations of maximum …

Multi-objective genetic algorithm optimization of a directionally sensitive radiation detection system using a surrogate transport model

DE Holland, RJ Olesen, JE Bevins - Engineering Applications of Artificial …, 2021 - Elsevier
Direction-sensitive and imaging radiation detection systems often rely on complicated mask
geometries to reconstruct source positions and images. Optimizing the design of these …

Path planning for localization of radiation sources based on principal component analysis

T Kishimoto, H Woo, R Komatsu, Y Tamura, H Tomita… - Applied Sciences, 2021 - mdpi.com
In this paper, we propose a path planning method for the localization of radiation sources
using a mobile robot equipped with an imaging gamma-ray detector, which has a field of …

The nuclear legacy today of fukushima

K Vetter - Annual Review of Nuclear and Particle Science, 2020 - annualreviews.org
The accident at the Fukushima Daiichi Nuclear Power Station (FDNPS) following the Great
East Japan Earthquake and the subsequent tsunami in March 2011 changed people's …

Coded aperture and Compton imaging capability of spherical detector system design based on GAGG scintillators: A Monte Carlo study

X Liang, L Shuai, Y Liu, X Li, L Kong, Q Wei… - Nuclear Instruments and …, 2022 - Elsevier
In the study of this paper, based on the symmetry of regular icosahedron, a spherical
detector system for 4 π field-of-view (FOV) gamma imaging was proposed based on 80 …

Self-supporting design of a time-encoded aperture, gamma-neutron imaging system

X Liang, X Pang, D Cao, D Li, Z Zhang, S Liu… - Nuclear Instruments and …, 2020 - Elsevier
Abstract A self-supporting, 2-D, time-encoded aperture system was developed for both
gamma and neutron imaging. The system achieved high sensitivity for imaging due to the …

Polaris-lamp: Multi-modal 3-d image reconstruction with a commercial gamma-ray imager

J Hecla, K Knecht, D Gunter, A Haefner… - … on Nuclear Science, 2021 - ieeexplore.ieee.org
The Polaris-LAMP multi-modal 3-D gamma-ray imager is a radiation mapping and imaging
platform which uses a commercial off-the-shelf (COTS) detector integrated with a contextual …