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Prospective motion correction for 3D pseudo-continuous arterial spin labeling using an external optical tracking system

Murat Aksoy, Julian Maclaren, Roland Bammer
2017 Magnetic Resonance Imaging  
spin labeling (3D PCASL) acquisitions and 2) to assess the effect of latency differences between real-time optical motion tracking and navigator-style approach (such as PROMO).  ...  The purpose of this study was two-fold: 1) to demonstrate that prospective optical motion correction using an optical camera mitigates artifacts from head motion in three dimensional pseudocontinuous arterial  ...  Introduction Arterial spin labeling (ASL) of the brain is a non-invasive quantitative perfusion technique, commonly used for imaging patients with cerebrovascular disease [1] [2] [3] .  ... 
doi:10.1016/j.mri.2017.01.018 pmid:28137627 pmcid:PMC5514566 fatcat:rz4slh4m35esjce5wqs66yz3i4

Prospective real-time correction for arbitrary head motion using active markers

Melvyn B. Ooi, Sascha Krueger, William J. Thomas, Srirama V. Swaminathan, Truman R. Brown
2009 Magnetic Resonance in Medicine  
For every repetition of this module, a short tracking pulse-sequence re-measures the marker positions; during head motion, the rigid-body transformation that realigns the markers to their initial positions  ...  This work presents a general strategy for real-time, intra-image compensation of rigid-body motion that is compatible with multiple imaging sequences.  ...  Acknowledgments We thank the NIH for their funding (grant: R21EB006877), as well as Melanie Kotys, Brian Welch, Cecil Hayes, Robin Goldman, Christina Tosti, and Hamed Mojahed for their support.  ... 
doi:10.1002/mrm.22082 pmid:19488989 pmcid:PMC3033410 fatcat:n2yeqxqltzcdjn44ch7uzchpvu

Are Movement Artifacts in Magnetic Resonance Imaging a Real Problem?—A Narrative Review

Inger Havsteen, Anders Ohlhues, Kristoffer H. Madsen, Janus Damm Nybing, Hanne Christensen, Anders Christensen
2017 Frontiers in Neurology  
Movement tracking during imaging may allow for prospective correction or postprocessing steps separating signal and noise.  ...  Physiological noise sources are motion from respiration, flow and pulse coupled to cardiac cycles, from the swallowing reflex and small spontaneous head movements.  ...  Arterial Spin Labeling (ASL) Arterial spin labeling is a perfusion imaging technique that uses endogenous blood water labeled as "paramagnetic tracer" to estimate cerebral blood flow.  ... 
doi:10.3389/fneur.2017.00232 pmid:28611728 pmcid:PMC5447676 fatcat:bnpwvejk6ney3e54mbpwexfdnq

Time-Resolved Angiography using InfLow Subtraction (TRAILS)

Daniel Kopeinigg, Roland Bammer
2013 Magnetic Resonance in Medicine  
Purpose-A novel pseudo-continuous arterial spin labeling based angiographic method called Time-Resolved Angiography using InfLow Subtraction is introduced and used to acquire timeresolved whole-head angiographic  ...  Keywords angiography; SPGR; arterial spin labeling; noninvasive; time resolved; noncontrast enhanced; 4D; MRA The gold standard for time-resolved intravascular angiography is digital subtraction angiography  ...  Next, efforts to reduce patient-induced motion artifacts, such as optical motion correction or navigator-based tracking approaches will be investigated.  ... 
doi:10.1002/mrm.24985 pmid:24166577 pmcid:PMC4396866 fatcat:yndb7ewtlvcpxhcuuqikh5u6ri

A Tetrahedron-Based Heat Flux Signature for Cortical Thickness Morphometry Analysis [chapter]

Yonghui Fan, Gang Wang, Natasha Lepore, Yalin Wang
2018 Lecture Notes in Computer Science  
Brain Tumors 676 Deep convolutional filtering for spatio-temporal denoising and artifact removal in arterial spin labelling MRI 680 Joint Learning of Motion Estimation and Segmentation for Cardiac MR  ...  acting locally: Enabling Landmark-free 3D US to MRI Registration 541 Left Ventricle Segmentation via Optical-Flow-Net from Short-axis Cine MRI: Preserving the Temporal Coherence of Cardiac Motion 545  ... 
doi:10.1007/978-3-030-00931-1_48 pmid:30338317 pmcid:PMC6191198 fatcat:dqhvpm5xzrdqhglrfftig3qejq

Characterization of Coronary Atherosclerosis by Magnetic Resonance Imaging

Marcus R. Makowski, Markus Henningsson, Elmar Spuentrup, W. Yong Kim, David Maintz, Warren J. Manning, René M. Botnar
2013 Circulation  
computer tomography if performed in a head-to-head comparison and with similar pharmacological preparation. 4,5 Technical improvements in coil design, image acquisition and reconstruction, and motion  ...  disease, in patients with type 1 diabetes mellitus, and in a multiethnic population (Multi-Ethnic Study of Atherosclerosis [MESA]) cohort. 11-13 Additionally, NCE-CMR has been shown to be useful for the  ...  , and shearing) in 3 dimensions 57, 58 ; however, the dominant motion component is translational motion along the foot-head direction. 59 Early studies of respiratory motion compensation for NCE-CMR  ... 
doi:10.1161/circulationaha.113.002681 pmid:24019445 fatcat:dmro3j5eyvhardobqdjhaek3tm

Prospective active marker motion correction improves statistical power in BOLD fMRI

Jordan Muraskin, Melvyn B. Ooi, Robin I. Goldman, Sascha Krueger, William J. Thomas, Paul Sajda, Truman R. Brown
2013 NeuroImage  
In this paper, we use a prospective active marker motion correction (PRAMMO) system that uses radio frequency markers for real-time tracking of motion, enabling on-line slice plane correction.  ...  In most cases, an attempt is made to correct for this motion through the use of retrospective analysis methods.  ...  We would like to thank Stephen Dashnaw and Glenn Castillo for their help in this project.  ... 
doi:10.1016/j.neuroimage.2012.11.052 pmid:23220430 pmcid:PMC3638742 fatcat:lcoq5n2y7fawpgc3yqhydn76oy

Measurement of Cerebral Circulation in Human [chapter]

Sadegh Moradi, Hany Ferdinando, Aleksandra Zienkiewicz, Mariella Särestöniemi, Teemu Myllylä
2022 Cerebral Circulation - Updates on Models, Diagnostics and Treatments of Related Diseases [Working Title]  
(CT), and arterial spin labeling (ASL) MRI.  ...  Direct methods are mostly based on using contrast agents delivered to blood circulation.  ...  Arterial spin labeling MRI Arterial spin labeling (ASL) is a non-invasive imaging technique using standard MRI.  ... 
doi:10.5772/intechopen.102383 fatcat:f3rtpmb6p5dlfakkyzmwqurudm

Imaging of the pial arterial vasculature of the human brain in vivo using high-resolution 7T time-of-flight angiography [article]

Saskia Bollmann, Hendrik Mattern, Michaël Bernier, Simon R Robinson, Daniel Park, Oliver Speck, Jonathan R. Polimeni
2021 bioRxiv   pre-print
We then provide evidence for this theory by imaging the pial arteries at 140-μm isotropic resolution using a 7T MRI scanner and prospective motion correction, and show that pial arteries one voxel-width  ...  This study represents the first targeted, comprehensive account of imaging pial arteries in vivo in the human brain.  ...  Nina Fultz for help with subject recruitment and MRI scanner operation.  ... 
doi:10.1101/2021.06.09.447807 fatcat:gfuwnsyv35eb5hureqsb3vjuti

Cardiovascular magnetic resonance imaging of coronary atherothrombosis

2005 Journal of Nuclear Cardiology  
gating and slice tracking. 19 The use of navigator echoes that record and correct for diaphragmatic motion 25 allows for free-breathing and removes the time constraints of the breath-hold approach,  ...  Motion compensation strategies for coronary vessel wall imaging are therefore even more stringent than for "lumen" coronary MRI.  ... 
doi:10.1016/j.nuclcard.2005.03.007 pmid:15944539 fatcat:pui2767cirat5odeenipq2xdwa

2014 Index IEEE Transactions on Medical Imaging Vol. 33

2014 IEEE Transactions on Medical Imaging  
Rajchl, M., +, TMI Jan. 2014 159-172 Compensation 7T Transmit/Receive Arrays Using ICE Decoupling for Human Head MR Imaging.  ...  ., +, TMI Aug. 2014 1627-1640 Motion compensation Markerless Motion Tracking of Awake Animals in Positron Emission Tomography.  ...  MRI Upsampling Using Feature-Based Nonlocal Means Approach. Jafari-Khouzani, K., 1969 -1985 Numerical Surrogates for Human Observers in Myocardial Motion Evaluation From SPECT Images.  ... 
doi:10.1109/tmi.2014.2386278 fatcat:poarfhfto5bm5mhfl7ugwtw4xy

Non-invasive measurement of perfusion: a critical review of arterial spin labelling techniques

E T Petersen, I Zimine, Y-C L Ho, X Golay
2006 British Journal of Radiology  
The non-invasive nature of arterial spin labelling (ASL) has opened a unique window into human brain function and perfusion physiology.  ...  High spatial and temporal resolution makes the technique very appealing not only for the diagnosis of vascular diseases, but also in basic neuroscience where the aim is to develop a more comprehensive  ...  Alan Jackson for the opportunity to write this review article.  ... 
doi:10.1259/bjr/67705974 pmid:16861326 fatcat:x2qijx3l55e6hjhyl4zb6htoa4

Tagged magnetic resonance imaging of the heart: a survey

Leon Axel, Albert Montillo, Daniel Kim
2005 Medical Image Analysis  
Magnetic resonance imaging (MRI) of the heart with magnetization tagging provides a potentially useful new way to assess cardiac mechanical function, through revealing the local motion of otherwise indistinguishable  ...  Exploiting this potential requires developing tailored methods for both imaging and image analysis.  ...  Grant support for this work was provided by the NIH through Grant RO1-HL-43014 and Grant RO1-LM-06638-01.  ... 
doi:10.1016/ pmid:15878302 fatcat:ww4tuowfjzcmhodamjv6xfhlo4

Dynamic, Long-Term In Vivo Imaging of Tumor-Stroma Interactions in Mouse Models of Breast Cancer Using Spinning-Disk Confocal Microscopy

A. J. Ewald, Z. Werb, M. Egeblad
2011 Cold Spring Harbor Protocols  
Bryan Welm for his ideas and work on preliminary studies related to this project and Dr. David Lum for suggestions for fluorescent labeling of fat cells.  ...  The single-mode fiber optic enters the spinning-disk confocal scan head, which is attached to the microscope via a C-mount on its left side port.  ...  Fast Image Collection to Minimize Motion Artifacts Our Solution-We chose a relatively fast spinning-disk confocal scan head (30 Hz; 2004 system: Yokogawa CSU-10; 2009 system: Yokogawa CSU-X1).  ... 
doi:10.1101/pdb.top97 pmid:21285277 pmcid:PMC3533368 fatcat:rs4garpwhrfdfaizlgivr4kk2u

Basic Principles and Concepts Underlying Recent Advances in Magnetic Resonance Imaging of the Developing Brain

Ashok Panigrahy, Matthew Borzage, Stefan Blüml
2010 Seminars in Perinatology  
Recent technology including MR compatible neonatal incubators, neonatal head coils, advanced MR pulse sequences and 3T field strength magnets allow high quality MR imaging studies to be performed on sick  ...  ., Floyd Gilles M.D. for support and advice; the NICU and MRI staff at Childrens Hospital Los Angeles. The authors thank Julia Castro for editorial support.  ...  Arterial Spin Labeling Arterial spin labeling allows for quantitative cerebral perfusion imaging without the use of exogenous contrast agents.  ... 
doi:10.1053/j.semperi.2009.10.001 pmid:20109968 pmcid:PMC2887750 fatcat:72csqanjhva3lpgbvfv52z65qe
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