State-of-the-art mobile radiation detection systems for different scenarios

L Marques, A Vale, P Vaz - Sensors, 2021 - mdpi.com
In the last decade, the development of more compact and lightweight radiation detection
systems led to their application in handheld and small unmanned systems, particularly air …

Gamma-Ray imaging for nuclear security and safety: Towards 3-D gamma-ray vision

K Vetter, R Barnowksi, A Haefner, THY Joshi… - Nuclear Instruments and …, 2018 - Elsevier
The development of portable gamma-ray imaging instruments in combination with the recent
advances in sensor and related computer vision technologies enable unprecedented …

Radiation imaging using a compact Compton camera mounted on a crawler robot inside reactor buildings of Fukushima Daiichi Nuclear Power Station

Y Sato, Y Terasaka, W Utsugi, H Kikuchi… - Journal of Nuclear …, 2019 - Taylor & Francis
ABSTRACT The Fukushima Daiichi Nuclear Power Station (FDNPS), operated by Tokyo
Electric Power Company Holdings, Inc., went into meltdown in the aftermath of a large …

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 …

Radiation imaging using an integrated Radiation Imaging System based on a compact Compton camera under unit 1/2 exhaust stack of Fukushima Daiichi Nuclear …

Y Sato, Y Terasaka - Journal of Nuclear Science and Technology, 2022 - Taylor & Francis
ABSTRACT The Fukushima Daiichi Nuclear Power Station (FDNPS) went into meltdown
after being hit by a large tsunami caused by the Great East Japan Earthquake on 11 March …

Precision imaging of 4.4 MeV gamma rays using a 3-D position sensitive Compton camera

A Koide, J Kataoka, T Masuda, S Mochizuki, T Taya… - Scientific reports, 2018 - nature.com
Imaging of nuclear gamma-ray lines in the 1–10 MeV range is far from being established in
both medical and physical applications. In proton therapy, 4.4 MeV gamma rays are emitted …

Gamma-ray point-source localization and sparse image reconstruction using Poisson likelihood

D Hellfeld, THY Joshi, MS Bandstra… - … on Nuclear Science, 2019 - ieeexplore.ieee.org
Gamma-ray imaging attempts to reconstruct the spatial and intensity distribution of gamma-
emitting radionuclides from a set of measurements. Generally, this problem is solved by …

Radiation imaging of a highly contaminated filter train inside Fukushima Daiichi Nuclear Power Station unit 2 using an integrated Radiation Imaging System based on …

Y Sato, Y Terasaka - Journal of Nuclear Science and Technology, 2023 - Taylor & Francis
ABSTRACT The Fukushima Daiichi Nuclear Power Station (FDNPS) suffered a meltdown in
the aftermath of the large tsunami caused by the Great East Japan Earthquake that occurred …

First demonstration of aerial gamma-ray imaging using drone for prompt radiation survey in Fukushima

S Mochizuki, J Kataoka, L Tagawa… - Journal of …, 2017 - iopscience.iop.org
Considerable amounts of radioactive substances (mainly 137 Cs and 134 Cs) were
released into the environment after the Japanese nuclear disaster in 2011. Some restrictions …