Effect of varying number of OSEM subsets on PET lesion detectability
AM Morey, DJ Kadrmas - Journal of nuclear medicine technology, 2013 - Soc Nuclear Med
Iterative reconstruction has become the standard for routine clinical PET imaging. However,
iterative reconstruction is computationally expensive, especially for time-of-flight (TOF) data …
iterative reconstruction is computationally expensive, especially for time-of-flight (TOF) data …
Effect of scan time on oncologic lesion detection in whole-body PET
DJ Kadrmas, MB Oktay, ME Casey… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
Lesion-detection performance in oncologic PET depends in part upon count statistics, with
shorter scans having higher noise and reduced lesion detectability. However, advanced …
shorter scans having higher noise and reduced lesion detectability. However, advanced …
Effect of using 2 mm voxels on observer performance for PET lesion detection
AM Morey, F Noo, DJ Kadrmas - IEEE transactions on nuclear …, 2016 - ieeexplore.ieee.org
Positron emission tomography (PET) images are typically reconstructed with an in-plane
pixel size of approximately 4 mm for cancer imaging. The objective of this work was to …
pixel size of approximately 4 mm for cancer imaging. The objective of this work was to …
Standard OSEM vs. regularized PET image reconstruction: qualitative and semi-quantitative comparison
1805 Objectives A PET image reconstruction tool (Q. Clear®) has been recently introduced
that allows more iterations of the raw PET data than the standard OSEM image …
that allows more iterations of the raw PET data than the standard OSEM image …
Impact of patient weight and emission scan duration on PET/CT image quality and lesion detectability
BS Halpern, M Dahlbom, A Quon… - Journal of Nuclear …, 2004 - Soc Nuclear Med
This study was performed to prospectively evaluate fast PET/CT imaging protocols using
lutetium oxyorthosilicate (LSO) detector technology and 3-dimensional (3D) image …
lutetium oxyorthosilicate (LSO) detector technology and 3-dimensional (3D) image …
[PDF][PDF] ROC and LROC analyses of the effects of lesion contrast, size, and signal-to-noise ratio on detectability in PET images
TH Farquhar, J Llacer, J Sayre, YC Tai… - Journal of Nuclear …, 2000 - Soc Nuclear Med
Four sets of images were prepared (Table 1). Because statistical power in ROC studies was
maximized when approximately half of the images were normal (7), half of the images in …
maximized when approximately half of the images were normal (7), half of the images in …
Improving lesion detectability in PET imaging with a penalized likelihood reconstruction algorithm
KA Wangerin, S Ahn, SG Ross… - Medical Imaging …, 2015 - spiedigitallibrary.org
Ordered Subset Expectation Maximization (OSEM) is currently the most widely used image
reconstruction algorithm for clinical PET. However, OSEM does not necessarily provide …
reconstruction algorithm for clinical PET. However, OSEM does not necessarily provide …
Evaluating image reconstruction methods for tumor detection in 3-dimensional whole-body PET oncology imaging
C Lartizien, PE Kinahan, R Swensson… - Journal of Nuclear …, 2003 - Soc Nuclear Med
We compare 3 image reconstruction algorithms for use in 3-dimensional (3D) whole-body
PET oncology imaging. We have previously shown that combining Fourier rebinning (FORE) …
PET oncology imaging. We have previously shown that combining Fourier rebinning (FORE) …
Detection of sub-centimeter lesions using digital TOF-PET/CT system combined with Bayesian penalized likelihood reconstruction algorithm
K Miwa, K Wagatsuma, R Nemoto… - Annals of Nuclear …, 2020 - Springer
Objective Many advances in PET/CT technology can potentially improve image quality and
the ability to detect small lesions. A new digital TOF-PET/CT scanner based on silicon …
the ability to detect small lesions. A new digital TOF-PET/CT scanner based on silicon …
Evaluation of penalized-likelihood estimation reconstruction on a digital time-of-flight PET/CT scanner for 18F-FDG whole-body examinations
E Lindström, A Sundin, C Trampal… - Journal of Nuclear …, 2018 - Soc Nuclear Med
The resolution and quantitative accuracy of PET are highly influenced by the reconstruction
method. Penalized-likelihood estimation algorithms allow for fully convergent iterative …
method. Penalized-likelihood estimation algorithms allow for fully convergent iterative …
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