Retrospective adaptive motion correction for navigator-gated 3D coronary MR angiography.
Retrospective adaptive motion correction (AMC) was developed for reducing effects of residual respiration in real-time navigator-gated three-dimensional (3D) coronary magnetic resonance (MR) angiography. In both motion phantom and in vivo experiments, AMC improved image sharpness of coronary arteries. This navigator-based technique combining adaptive correction and real-time gating is potentially an efficient and effective motion reduction method for 3D coronary MR angiography.
Wang
Y
Y
Department of Diagnostic Radiology, Mayo Clinic, Rochester, Minnesota 55905, USA. yiwang@mail.med.cornell.edu
Ehman
R L
RL
D000465:Algorithms; D016477:Artifacts; D003331:Coronary Vessels / Q000033:anatomy & histology*; D006801:Humans; D007091:Image Processing, Computer-Assisted; D018810:Magnetic Resonance Angiography / Q000379:methods*; D009038:Motion; D019047:Phantoms, Imaging; D012119:Respiration