Appropriately regularized OSEM can improve the reconstructed PET images of data with low count statistics

With the increasing number of patients undergoing positron emission tomography (PET) scans and the fact that multiple whole body acquisitions are performed during therapy monitoring, the reduction of scan time as well as of the injected radioactive dose are important issues. However, short scan time...

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Veröffentlicht in:	Hellenic journal of nuclear medicine 2015-05, Vol.18 (2), p.140-145
Hauptverfasser:	Karaoglanis, Konstantinos, Polycarpou, Irene, Efthimiou, Nikos, Tsoumpas, Charalampos
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computer Simulation Humans Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Likelihood Functions Models, Statistical Neoplasms - diagnostic imaging Positron-Emission Tomography - methods Reproducibility of Results Sample Size Sensitivity and Specificity
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