Ultra-fast list-mode reconstruction of short PET frames and example applications

MG Spangler-Bickell, TW Deller… - Journal of Nuclear …, 2021 - Soc Nuclear Med
Standard clinical reconstructions usually require several minutes to complete, and this time
is mostly independent of the duration of the data being reconstructed. Applications such as …

Motion compensation for fully 4D PET reconstruction using PET superset data

J Verhaeghe, P Gravel, R Mio… - Physics in Medicine …, 2010 - iopscience.iop.org
Fully 4D PET image reconstruction is receiving increasing research interest due to its ability
to significantly reduce spatiotemporal noise in dynamic PET imaging. However, thus far in …

Fast list-mode reconstruction for time-of-flight PET using graphics hardware

G Pratx, S Surti, C Levin - IEEE Transactions on Nuclear …, 2010 - ieeexplore.ieee.org
Positron emission tomography (PET) measurements with time-of-flight (TOF) information are
often very sparse. As a result, direct reconstruction from raw list-mode data is an attractive …

Optimizing the frame duration for data‐driven rigid motion estimation in brain PET imaging

MG Spangler‐Bickell, SA Hurley, TW Deller… - Medical …, 2021 - Wiley Online Library
Purpose Data‐driven rigid motion estimation for PET brain imaging is usually performed
using data frames sampled at low temporal resolution to reduce the overall computation time …

Motion correction using anatomical information in PET/CT and PET/MR hybrid imaging.

H Fayad, F Lamare, T Merlin… - The Quarterly Journal of …, 2015 - europepmc.org
Respiratory and cardiac motion causes qualitative and quantitative inaccuracies in whole
body multi-modality imaging such as positron emission tomography coupled with computed …

Fast reconstruction of 3D time-of-flight PET data by axial rebinning and transverse mashing

S Vandenberghe… - Physics in Medicine …, 2006 - iopscience.iop.org
Faster scintillators like LaBr 3 and LSO have sparked renewed interest in PET scanners with
time-of-flight (TOF) information. The TOF information adds another dimension to the data set …

Joint image and motion reconstruction for PET using a B-spline motion model

M Blume, N Navab, M Rafecas - Physics in Medicine & Biology, 2012 - iopscience.iop.org
We present a novel joint image and motion reconstruction method for PET. The method is
based on gated data and reconstructs an image together with a motion function. The motion …

Real-time event stream correction for patient motion in clinical 3-D PET

WF Jones - … Science Symposium Conference Record (Cat. No …, 2001 - ieeexplore.ieee.org
Stationary phantoms are typically used to demonstrate intrinsic image resolution in PET. Yet,
real image resolution in most clinical PET studies degrades by a reported factor of 3 to 5 due …

Direct reconstruction of parametric images for brain PET with event-by-event motion correction: evaluation in two tracers across count levels

M Germino, JD Gallezot, J Yan… - Physics in Medicine & …, 2017 - iopscience.iop.org
Parametric images for dynamic positron emission tomography (PET) are typically generated
by an indirect method, ie reconstructing a time series of emission images, then fitting a …

Motion correction options in PET/MRI

C Catana - Seminars in nuclear medicine, 2015 - Elsevier
Subject motion is unavoidable in clinical and research imaging studies. Breathing is the
most important source of motion in whole-body PET and MRI studies, affecting not only …