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Simulation-based evaluation of OSEM iterative ...
In this study, we investigated the characteristics of the UW-OSEM and the ANW-OSEM iterative reconstruction methods in the context of ligand-receptor PET studies with low counts. The assessment was conducted using replicates of simulated [18F]MPPF acquisitions. The quantitative accuracy obtained with the iterative and analytical methods was ......
Quantitative Comparison of Analytic and Iterative ...
The purpose of the present study was to assess the quantitative accuracy of both iterative reconstruction and 3D acquisition for cardiac PET studies. To this end, an interleaved 2D/3D scan protocol was used to enable comparison of 2D and 3D imaging within the same patient and study, and data were reconstructed with both FBP and OSEM.
Comparison among Reconstruction Algorithms for ...
Filtered backprojection (FBP) reconstruction and three iterative reconstruction methods, that is, OSEM, OSEM with time-of-flight, and OSEM with both time-of-flight and point-spread-function, were performed for each study. The four reconstruction methods were named as FBP, OSEM, TOF, and TPSF, respectively, for the comparison in this study....
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