Motion correction in MRI of the brain

F Godenschweger, U Kägebein, D Stucht… - Physics in medicine …, 2016 - iopscience.iop.org
Subject motion in MRI is a relevant problem in the daily clinical routine as well as in scientific
studies. Since the beginning of clinical use of MRI, many research groups have developed …

[HTML][HTML] Deep learning-based rigid motion correction for magnetic resonance imaging: a survey

Y Chang, Z Li, G Saju, H Mao, T Liu - Meta-Radiology, 2023 - Elsevier
Physiological and physical motions of the subjects, eg, patients, are the primary sources of
image artifacts in magnetic resonance imaging (MRI), causing geometric distortion, blurring …

An MRI-powered and controlled actuator technology for tetherless robotic interventions

P Vartholomeos, C Bergeles, L Qin… - … Journal of Robotics …, 2013 - journals.sagepub.com
This paper presents a novel actuation technology for robotically assisted MRI-guided
interventional procedures. In the proposed approach, the MRI scanner is used to deliver …

An MR-conditional high-torque pneumatic stepper motor for MRI-guided and robot-assisted intervention

Y Chen, KW Kwok, ZTH Tse - Annals of biomedical engineering, 2014 - Springer
Magnetic resonance imaging allows for visualizing detailed pathological and morphological
changes of soft tissue. MR-conditional actuations have been widely investigated for …

Prospective motion correction using inductively coupled wireless RF coils

MB Ooi, M Aksoy, J Maclaren… - Magnetic resonance …, 2013 - Wiley Online Library
Purpose A novel prospective motion correction technique for brain MRI is presented that
uses miniature wireless radio‐frequency coils, or “wireless markers,” for position tracking …

Prospective motion correction with NMR markers using only native sequence elements

A Aranovitch, M Haeberlin, S Gross… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose To develop a method of tracking active NMR markers that requires no alterations of
common imaging sequences and can be used for prospective motion correction (PMC) in …

Statistical estimation of physiological brain age as a descriptor of senescence rate during adulthood

A Irimia, CM Torgerson, SYM Goh… - Brain imaging and …, 2015 - Springer
Mapping aging-related brain structure and connectivity changes can be helpful for
assessing physiological brain age (PBA), which is distinct from chronological age (CA) …

Servo navigators: linear regression and feedback control for rigid‐body motion correction

T Ulrich, M Riedel… - Magnetic Resonance in …, 2024 - Wiley Online Library
Purpose Navigator‐based correction of rigid‐body motion reconciling high precision with
minimal acquisition, minimal calibration and simple, fast processing. Methods A short orbital …

Design and fabrication of MR-tracked metallic stylet for gynecologic brachytherapy

Y Chen, W Wang, EJ Schmidt, KW Kwok… - IEEE/ASME …, 2015 - ieeexplore.ieee.org
Active magnetic resonance (MR) tracking for gynecologic brachytherapy was made possible
by attaching the microradiofrequency coils to the brachytherapy applicator. The rectangular …

Feasibility of tracking involuntary head movement for MRI using a coil as a magnetic dipole in a time-varying gradient

EH Bhuiyan, MEH Chowdhury, PM Glover - Magnetic Resonance Imaging, 2023 - Elsevier
Accurate tracking involuntary head movements is fairly a challenging problem in MR
imaging of the brain. Though there are few techniques available to monitor the head …