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Title: The use of modulation transfer function as an overall quality control parameter in PET/CT
Authors: Σαμαρτζής, Α.
Φούντος, Γεώργιος Π.
Καλατζής, Ιωάννης
Μιχαήλ, Χρήστος Μ.
Ζαγκλής, Α.
Contributors: Κάβουρας, Διονύσης Α.
Δατσέρης, Ι.
Κουνάδη, Ε.
Βάττης, Δημήτριος Κ.
Κανδαράκης, Ιωάννης Σ.
Νικηφορίδης, Γεώργιος Χ.
Item type: Conference publication
Keywords: Reconstruction algorithms;Αλγόριθμοι ανακατασκευής;PET/CT;Line Spread Function (LSF);Modulation Transfer Function (MTF);Quality control;Διαμόρφωση λειτουργίας μεταφοράς;Ποιοτικός έλεγχος;Λειτουργία γραμμής διάδοσης
Subjects: Medicine
Medical physics
Ιατρική φυσική
Issue Date: 30-Jan-2015
Date of availability: 30-Jan-2015
Publisher: Νερατζής, Ηλίας
Σιανούδης, Ιωάννης
Βαλαής, Ιωάννης Γ.
Φούντος, Γεώργιος Π.
Abstract: The Modulation Transfer Function (MTF) is an important parameter for the characterization of image quality and the signal transfer properties of an imaging system. To develop a new method for MTF determination of PET/CT in three dimensions (3D), a novel and highly uniform, film based flood source using 18F-FDG has been prepared. The source was placed between PMMA blocks of various thicknesses, and imaged in a GE Discovery-ST, PET/CT system. MTF was then calculated from the line spread function (LSF) profile of the film. The film was prepared by immersing silica gel matrix, Al foils (5×10cm Fluka) in 18F-FDG bath solution. The effects of different reconstruction algorithms and the shape of the scanned object on MTF were investigated. By this method the alignment of PET and CT in the fused image was investigated as well. Hence the MTF can be used as an overall quality control parameter in PET/CT.
Description: Special issue: Scientific papers presented on the 3nd International Conference on Experiments/Process/System Modeling/Simulation & Optimization in Athens, 8-11 July, 2009. Mini symposium on Medical Imaging, organized by G. Panayiotakis, I. Kandarakis, G. Fountos and I. Valais
Language: English
Citation: Samartzis, A., Fountos, G.P., Kalatzis, I., Michail, C.M., Zanglis, A., et al. (2010). The use of modulation transfer function as an overall quality control parameter in PET/CT. "e-Journal of Science & Technology". [Online] 5(2): 41-48. Available from:
Journal: e-Περιοδικό Επιστήμης & Τεχνολογίας
e-Journal of Science & Technology
Type of Journal: With a review process (peer review)
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
Appears in Collections:Τόμος 05, τεύχος 2 (2010)

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