Respiratory motion models: a review

JR McClelland, DJ Hawkes, T Schaeffter, AP King - Medical image analysis, 2013 - Elsevier
The problem of respiratory motion has proved a serious obstacle in developing techniques
to acquire images or guide interventions in abdominal and thoracic organs. Motion models …

Cardiac MR: from theory to practice

TF Ismail, W Strugnell, C Coletti… - Frontiers in …, 2022 - frontiersin.org
Cardiovascular disease (CVD) is the leading single cause of morbidity and mortality,
causing over 17. 9 million deaths worldwide per year with associated costs of over $800 …

Radiotherapy planning using MRI

MA Schmidt, GS Payne - Physics in Medicine & Biology, 2015 - iopscience.iop.org
The use of magnetic resonance imaging (MRI) in radiotherapy (RT) planning is rapidly
expanding. We review the wide range of image contrast mechanisms available to MRI and …

ECG and navigator‐free four‐dimensional whole‐heart coronary MRA for simultaneous visualization of cardiac anatomy and function

J Pang, B Sharif, Z Fan, X Bi… - Magnetic resonance …, 2014 - Wiley Online Library
Purpose To develop a cardiac and respiratory self‐gated four‐dimensional (4D) coronary
MRA technique for simultaneous cardiac anatomy and function visualization. Methods A …

Low‐dimensional‐structure self‐learning and thresholding: regularization beyond compressed sensing for MRI reconstruction

M Akçakaya, TA Basha, B Goddu… - Magnetic …, 2011 - Wiley Online Library
An improved image reconstruction method from undersampled k‐space data, low‐
dimensional‐structure self‐learning and thresholding (LOST), which utilizes the structure …

Accelerated motion corrected three‐dimensional abdominal MRI using total variation regularized SENSE reconstruction

G Cruz, D Atkinson, C Buerger… - Magnetic resonance …, 2016 - Wiley Online Library
Purpose Develop a nonrigid motion corrected reconstruction for highly accelerated free‐
breathing three‐dimensional (3D) abdominal images without external sensors or additional …

Nonrigid motion correction in 3D using autofocusing withlocalized linear translations

JY Cheng, MT Alley, CH Cunningham… - Magnetic resonance …, 2012 - Wiley Online Library
MR scans are sensitive to motion effects due to the scan duration. To properly suppress
artifacts from nonrigid body motion, complex models with elements such as translation …

Four‐dimensional MRI using three‐dimensional radial sampling with respiratory self‐gating to characterize temporal phase‐resolved respiratory motion in the …

Z Deng, J Pang, W Yang, Y Yue, B Sharif… - Magnetic resonance …, 2016 - Wiley Online Library
Purpose To develop a four‐dimensional MRI (4D‐MRI) technique to characterize the
average respiratory tumor motion for abdominal radiotherapy planning. Methods A …

Blind retrospective motion correction of MR images

A Loktyushin, H Nickisch, R Pohmann… - Magnetic resonance …, 2013 - Wiley Online Library
Purpose Subject motion can severely degrade MR images. A retrospective motion correction
algorithm, Gradient‐based motion correction, which significantly reduces ghosting and …

Motion compensated whole-heart coronary cardiovascular magnetic resonance angiography using focused navigation (fNAV)

CW Roy, J Heerfordt, D Piccini, G Rossi… - Journal of …, 2021 - Springer
Background Radial self-navigated (RSN) whole-heart coronary cardiovascular magnetic
resonance angiography (CCMRA) is a free-breathing technique that estimates and corrects …