Head-to-head comparison between digital and analog PET of human and phantom images when optimized for maximizing the signal-to-noise ratio from small lesions
Background Routine PET exams are increasingly performed with reduced injected activities,
leading to the use of different image reconstruction parameters than the NEMA parameters …
leading to the use of different image reconstruction parameters than the NEMA parameters …
A practical way to improve contrast‐to‐noise ratio and quantitation for statistical‐based iterative reconstruction in whole‐body PET imaging
L Fin, P Bailly, J Daouk, ME Meyer - Medical physics, 2009 - Wiley Online Library
In whole‐body positron emission tomography (PET) imaging, the detection of small uptake
foci (ie, around two or three times the tomograph's spatial resolution) is a critical issue …
foci (ie, around two or three times the tomograph's spatial resolution) is a critical issue …
NEMA image quality phantom measurements and attenuation correction in integrated PET/MR hybrid imaging
Abstract Background In integrated PET/MR hybrid imaging the evaluation of PET
performance characteristics according to the NEMA standard NU 2–2007 is challenging …
performance characteristics according to the NEMA standard NU 2–2007 is challenging …
Characterization and optimization of image quality as a function of reconstruction algorithms and parameter settings in a Siemens Inveon small-animal PET scanner …
EP Visser, JA Disselhorst, MG van Lier… - Nuclear Instruments and …, 2011 - Elsevier
The image reconstruction algorithms provided with the Siemens Inveon small-animal PET
scanner are filtered backprojection (FBP), 3-dimensional reprojection (3DRP), ordered …
scanner are filtered backprojection (FBP), 3-dimensional reprojection (3DRP), ordered …
Point-spread function reconstructed PET images of sub-centimeter lesions are not quantitative
OL Munk, LP Tolbod, SB Hansen, TV Bogsrud - EJNMMI physics, 2017 - Springer
Background PET image reconstruction methods include modeling of resolution degrading
phenomena, often referred to as point-spread function (PSF) reconstruction. The aim of this …
phenomena, often referred to as point-spread function (PSF) reconstruction. The aim of this …
SMART (SiMulAtion and ReconsTruction) PET: an efficient PET simulation-reconstruction tool
E Pfaehler, JR De Jong, RAJO Dierckx… - EJNMMI physics, 2018 - Springer
Background Positron-emission tomography (PET) simulators are frequently used for
development and performance evaluation of segmentation methods or quantitative uptake …
development and performance evaluation of segmentation methods or quantitative uptake …
Investigating the use of nonattenuation corrected PET images for the attenuation correction of PET data
Purpose: The aim of this study is to investigate the feasibility of using the nonattenuated PET
images (PET‐NAC) as a means for the AC of PET data. Methods: A three‐step iterative …
images (PET‐NAC) as a means for the AC of PET data. Methods: A three‐step iterative …
Quality control for quantitative multicenter whole‐body PET/MR studies: a NEMA image quality phantom study with three current PET/MR systems
Purpose: Integrated positron emission tomography/magnetic resonance (PET/MR) systems
derive the PET attenuation correction (AC) from dedicated MR sequences. While MR‐AC …
derive the PET attenuation correction (AC) from dedicated MR sequences. While MR‐AC …
Reliability of predicting image signal‐to‐noise ratio using noise equivalent count rate in PET imaging
T Chang, G Chang, JW Clark Jr, RH Diab… - Medical …, 2012 - Wiley Online Library
Purpose: Several investigators have shown that noise equivalent count rate (NECR) is
linearly proportional to the square of image signal‐to‐noise ratio (SNR) when PET images …
linearly proportional to the square of image signal‐to‐noise ratio (SNR) when PET images …
From a PMT-based to a SiPM-based PET system: a study to define matched acquisition/reconstruction parameters and NEMA performance of the Biograph Vision 450
T Carlier, L Ferrer, M Conti, C Bodet-Milin, C Rousseau… - EJNMMI physics, 2020 - Springer
Background The purpose of this work was to propose an approach based on noise
measurement to adapt present clinical acquisition and reconstruction parameters adapted to …
measurement to adapt present clinical acquisition and reconstruction parameters adapted to …