Methods of performing PET sinogram quality check

Details Methods of performing PET sinogram quality check Methods of performing PET sinogram quality check

2008-09-04

2010-12-28

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

With or including a luminophor

C250S252100, C250S363090, C378S207000, C702S081000, C702S182000

Reexamination Certificate

active

07858943

ABSTRACT:
A method for determining quality of sinograms produced by a medical imaging device. The method may include placing a uniform phantom object in the field of view of the medical imaging device; acquiring one or more phantom sinograms of the uniform phantom object; establish a set of parameters for the acquired one or more phantom sinograms; and determine, based on pre-set ranges of the parameters, the quality of sinograms produced by the medical imaging device. The parameters may be one or more parameters of a group of parameters consisting of block uniformity, block efficiency, randoms rate, scanner efficiency, and scatter ratio.

REFERENCES:
patent: 7569829 (2009-08-01), Chen et al.
patent: 2004/0206897 (2004-10-01), Conti et al.
patent: 2007/0147589 (2007-06-01), Thielemans
patent: 2007/0176087 (2007-08-01), Wang et al.

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