Evaluation of missing data compensation methods by comparing to no-gap rotating data for a PET camera
1649 Objectives: In PET cameras gaps between the detectors or defective detectors could
create gaps in sinograms. In order to generate artifact-free images, especially with filtered …
create gaps in sinograms. In order to generate artifact-free images, especially with filtered …
An evaluation of missing data compensation methods for a PET camera by comparing to no-gap data
H Baghaei, H Li, Y Zhang, RA Ramirez… - 2008 IEEE Nuclear …, 2008 - ieeexplore.ieee.org
We evaluated three methods for filling gaps in PET projection data that may results from
gaps between detectors or from defective detectors. These methods include linear …
gaps between detectors or from defective detectors. These methods include linear …
[CITATION][C] First comparative quantitative data from a brain PET designed for high-throughput scanning
E Mikhaylova, A Buck, V Dao, M Hofbauer, M Huellner… - 2022 - Soc Nuclear Med
2441 Introduction: We present a quantitative analysis of the brain data obtained during the
first clinical trial NCT04511546 [1] of the octagon-shaped stand-alone brain positron …
first clinical trial NCT04511546 [1] of the octagon-shaped stand-alone brain positron …
An evaluation of resolution recovery performed in projection-space or in image-space for a high-resolution PET scanner
H Baghaei, H Li, Y Zhang, R Ramirez, WH Wong - 2013 - Soc Nuclear Med
2056 Objectives Traditional PET reconstruction methods that do not take into account the
mispositioning of the lines of response (parallax error) result in blurring images and …
mispositioning of the lines of response (parallax error) result in blurring images and …
Reducing inter-scanner PET image variability
168 Objectives: Our goal is to reduce systematic inter-scanner PET image variability. In spite
of standardized protocols for scanner calibration, normalization, attenuation/scatter/randoms …
of standardized protocols for scanner calibration, normalization, attenuation/scatter/randoms …
Simultaneous estimation of bias and resolution in PET images with a single long-lived phantom
2152 Objectives Standardized uptake values (SUVs) from PET images are subject to bias
from scanner calibration and resolution effects. The present study evaluates a technique for …
from scanner calibration and resolution effects. The present study evaluates a technique for …
Correction methods for missing data in sinograms of the HRRT PET scanner
H De Jong, R Boellaard, C Knoess… - 2002 IEEE Nuclear …, 2002 - ieeexplore.ieee.org
The High Resolution Research Tomograph (HRRT) is a 3D PET scanner designed for brain
imaging and small animal imaging. The HRRT consists of 8 panel detector heads that are …
imaging and small animal imaging. The HRRT consists of 8 panel detector heads that are …
Assessment of PET image resolution
D Gress, O Mawlawi - 2018 - Soc Nuclear Med
576 Objectives: PET system resolution has historically been quantified using a method
prescribed by the NEMA standard which includes line profile analysis of point sources in air …
prescribed by the NEMA standard which includes line profile analysis of point sources in air …
Comparison of gap compensation methods for small-diameter PET
J Son, JS Lee, SM Kim, JH Kim, DS Lee - 2011 - Soc Nuclear Med
1994 Objectives Gaps between the detector modules in small-ring PET scanners cause
significant loss of measured sinogram and lead to significant artifacts in reconstructed …
significant loss of measured sinogram and lead to significant artifacts in reconstructed …
A practical, automated quality assurance method for measuring spatial resolution in PET
The use of different scanners, acquisition protocols, and reconstruction algorithms has been
identified as a problem that limits the use of PET in multicenter trials. The aim of this project …
identified as a problem that limits the use of PET in multicenter trials. The aim of this project …