Position estimation using neural networks in semi-monolithic PET detectors

M Freire, J Barrio, N Cucarella… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. The goal of this work is to experimentally compare the 3D spatial and energy
resolution of a semi-monolithic detector suitable for total-body positron emission tomography …

Performance study of a large monolithic LYSO PET detector with accurate photon DOI using retroreflector layers

A Gonzalez-Montoro, A Aguilar… - … on Radiation and …, 2017 - ieeexplore.ieee.org
Clinical and organ-dedicated PET systems typically require a high efficiency imposing the
use of thick scintillators, normally through crystal arrays. To provide depth of interaction …

A PET design based on SiPM and monolithic LYSO crystals: performance evaluation

AJ González, A Aguilar, P Conde… - … on Nuclear Science, 2016 - ieeexplore.ieee.org
A new small animal PET based on SiPM and monolithic LYSO crystals has been developed.
Eight detector modules form the PET ring, each mounting an array of 12× 12 SiPMs coupled …

The MINDView brain PET detector, feasibility study based on SiPM arrays

AJ González, S Majewski, F Sánchez… - Nuclear Instruments and …, 2016 - Elsevier
Abstract The Multimodal Imaging of Neurological Disorders (MINDView) project aims to
develop a dedicated brain Positron Emission Tomography (PET) scanner with sufficient …

Performance evaluation of side‐by‐side optically coupled monolithic LYSO crystals

M Freire, S Echegoyen, A Gonzalez‐Montoro… - Medical …, 2022 - Wiley Online Library
Background Significant interest has been recently shown for using monolithic scintillation
crystals in molecular imaging systems, such as positron emission tomography (PET) …

Machine Learning aided 3D-position reconstruction in large LaCl3 crystals

J Balibrea-Correa, J Lerendegui-Marco… - Nuclear Instruments and …, 2021 - Elsevier
We investigate five different models to reconstruct the 3D γ-ray hit coordinates in five large
LaCl 3 (Ce) monolithic crystals optically coupled to pixelated silicon photomultipliers. These …

Deep residual-convolutional neural networks for event positioning in a monolithic annular PET scanner

G Jaliparthi, PF Martone, AV Stolin… - Physics in Medicine & …, 2021 - iopscience.iop.org
PET scanners based on monolithic pieces of scintillator can potentially produce superior
performance characteristics (high spatial resolution and detection sensitivity, for example) …

Novel method to measure the intrinsic spatial resolution in PET detectors based on monolithic crystals

A González-Montoro, F Sanchez, P Bruyndonckx… - Nuclear Instruments and …, 2019 - Elsevier
The main aim of this work is to provide a method to retrieve the intrinsic spatial resolution of
a gamma-ray detector block based on monolithic crystals within an assembled scanner. This …

Calibration of gamma ray impacts in monolithic-based detectors using voronoi diagrams

M Freire, A Gonzalez-Montoro… - … on Radiation and …, 2019 - ieeexplore.ieee.org
Molecular imaging systems, such as positron emission tomography (PET), use detectors
providing energy and a 3-D interaction position of a gamma ray within a scintillation block …

Preliminary evaluation of a monolithic detector module for integrated PET/MRI scanner with high spatial resolution

R Pani, AJ Gonzalez, M Bettiol, A Fabbri… - Journal of …, 2015 - iopscience.iop.org
Abstract The proposal of Mindview European Project concerns with the development of a
very high resolution and high efficiency brain dedicated PET scanner simultaneously …