Discrete axial re-binning of time-of-flight positron...

Details Discrete axial re-binning of time-of-flight positron... Discrete axial re-binning of time-of-flight positron...

2007-05-17

2010-12-07

Bhatnagar, Anand (Department: 2624)

Image analysis

Applications

Biomedical applications

C382S280000

Reexamination Certificate

active

07848559

ABSTRACT:
Axial rebinning methods are provided for 3D time-of-flight (TOF) positron emission tomography (PET), based on 2D data rebinning. Rebinning is performed separately for each axial plane parallel to the axis of the PET scanner. An analytical approach is provided that is based on a consistency condition for TOF-PET data with a gaussian profile. A fully discrete approach is also provided, wherein each 2D TOF-PET data is calculated as a linear combination of 3D TOF-PET data having the same sinogram coordinates s and φ.

REFERENCES:
patent: 7417231 (2008-08-01), Defrise et al.
patent: 2007/0036418 (2007-02-01), Pan et al.
Michel Defrise; Exact and Approximate rebinning algorithms for 3-D PET data; IEEE transactions on medical imaging, vol. 16, No. 2, Apr. 1997.

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