Phosphors and Scintillators in Biomedical Imaging

C Michail, P Liaparinos, N Kalyvas, I Kandarakis… - Crystals, 2024 - mdpi.com
Medical imaging instrumentation is mostly based on the use of luminescent materials
coupled to optical sensors. These materials are employed in the form of granular screens …

[HTML][HTML] J-PET Framework: Software platform for PET tomography data reconstruction and analysis

W Krzemien, A Gajos, K Kacprzak, K Rakoczy, G Korcyl - SoftwareX, 2020 - Elsevier
J-PET Framework is an open-source software platform for data analysis, written in C++ and
based on the ROOT package. It provides a common environment for implementation of …

Novel Detector Configurations in Cone-Beam CT Systems: A Simulation Study

E Karali, C Michail, G Fountos, N Kalyvas, I Valais - Crystals, 2024 - mdpi.com
Cone-beam computed tomography (CBCT) has emerged in recent years as an adequate
alternative to mammography and tomosynthesis due to the several advantages over …

Absolute Luminescence Efficiency of Europium-Doped Calcium Fluoride (CaF2:Eu) Single Crystals under X-ray Excitation

C Michail, N Kalyvas, A Bakas, K Ninos, I Sianoudis… - Crystals, 2019 - mdpi.com
The absolute luminescence efficiency (AE) of a calcium fluoride (CaF2: Eu) single crystal
doped with europium was studied using X-ray energies met in general radiography. A CaF2 …

Practical machine learning based on cloud computing resources

KN Agavanakis, G Karpetas, M Taylor… - AIP Conference …, 2019 - pubs.aip.org
Machine learning is a domain highly influenced by the rapid evolution of cloud computing
and has reached a maturity point where a plethora of data processing capabilities is now …

Information capacity of positron emission tomography scanners

C Michail, G Karpetas, N Kalyvas, I Valais, I Kandarakis… - Crystals, 2018 - mdpi.com
Background: The aim of the present study was to assess the upper information content
bound of positron emission tomography (PET) images, by means of the information capacity …

Luminescence efficiency of CaF2: Eu single crystals: temperature dependence

G Saatsakis, K Ninos, I Valais, N Martini… - Procedia Structural …, 2020 - Elsevier
During the last decades, there is increasing interest in applications of scintillators at harsh
environments (ie, high temperatures or radiation fluxes), such as in geophysical detectors for …

Temperature Dependence of the Luminescence output of CdWO4 Crystal. Comparison with CaF2: Eu

G Saatsakis, D Linardatos, K Ninos, I Valais… - Procedia Structural …, 2020 - Elsevier
Scintillators are radiation converters applied in medical imaging detectors, in applications at
harsh environments, including in geophysical detectors for deep geology boreholes, non …

On the thermal response of LuAG: Ce single crystals

G Saatsakis, D Linardatos, G Karpetas… - Procedia Structural …, 2021 - Elsevier
It is well known that the luminescence efficiency of single crystals is affected by external
parameters, such as the environmental temperature, especially in harsh environments. Due …

3D printing X-ray quality control phantoms. a low contrast paradigm

I Kapetanakis, G Fountos, C Michail… - Journal of Physics …, 2017 - iopscience.iop.org
Current 3D printing technology products may be usable in various biomedical applications.
Such an application is the creation of X-ray quality control phantoms. In this work a self …