Motion estimation and correction in SPECT, PET and CT

AZ Kyme, RR Fulton - Physics in Medicine & Biology, 2021 - iopscience.iop.org
Patient motion impacts single photon emission computed tomography (SPECT), positron
emission tomography (PET) and x-ray computed tomography (CT) by giving rise to …

Human positron emission tomography neuroimaging

JM Hooker, RE Carson - Annual review of biomedical …, 2019 - annualreviews.org
Neuroimaging with positron emission tomography (PET) is the most powerful tool for
understanding pharmacology, neurochemistry, and pathology in the living human brain. This …

Motion correction methods for MRS: experts' consensus recommendations

OC Andronesi, PK Bhattacharyya, W Bogner… - NMR in …, 2021 - Wiley Online Library
Long acquisition times due to intrinsically low signal‐to‐noise ratio and the need for highly
homogeneous B0 field make MRS particularly susceptible to motion or scanner instability …

Markerless high‐frequency prospective motion correction for neuroanatomical MRI

R Frost, P Wighton, FI Karahanoğlu… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose To integrate markerless head motion tracking with prospectively corrected
neuroanatomical MRI sequences and to investigate high‐frequency motion correction …

Predicting standard-dose PET image from low-dose PET and multimodal MR images using mapping-based sparse representation

Y Wang, P Zhang, L An, G Ma, J Kang… - Physics in Medicine …, 2016 - iopscience.iop.org
Positron emission tomography (PET) has been widely used in clinical diagnosis for diseases
and disorders. To obtain high-quality PET images requires a standard-dose radionuclide …

Comparison of prospective and retrospective motion correction in 3D‐encoded neuroanatomical MRI

JM Slipsager, SL Glimberg, L Højgaard… - Magnetic resonance …, 2022 - Wiley Online Library
Purpose To compare prospective motion correction (PMC) and retrospective motion
correction (RMC) in Cartesian 3D‐encoded MPRAGE scans and to investigate the effects of …

[HTML][HTML] Quantifying MR head motion in the Rhineland Study–A robust method for population cohorts

C Pollak, D Kügler, MMB Breteler, M Reuter - NeuroImage, 2023 - Elsevier
Head motion during MR acquisition reduces image quality and has been shown to bias
neuromorphometric analysis. The quantification of head motion, therefore, has both …

Prediction of standard‐dose brain PET image by using MRI and low‐dose brain [18F]FDG PET images

J Kang, Y Gao, F Shi, DS Lalush, W Lin… - Medical …, 2015 - Wiley Online Library
Purpose: Positron emission tomography (PET) is a nuclear medical imaging technology that
produces 3D images reflecting tissue metabolic activity in human body. PET has been …

External hardware and sensors, for improved MRI

B Madore, AT Hess, AMJ van Niekerk… - Journal of Magnetic …, 2023 - Wiley Online Library
Complex engineered systems are often equipped with suites of sensors and ancillary
devices that monitor their performance and maintenance needs. MRI scanners are no …

Markerless motion tracking and correction for PET, MRI, and simultaneous PET/MRI

JM Slipsager, AH Ellegaard, SL Glimberg, RR Paulsen… - Plos one, 2019 - journals.plos.org
Objective We demonstrate and evaluate the first markerless motion tracker compatible with
PET, MRI, and simultaneous PET/MRI systems for motion correction (MC) of brain imaging …