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Isotropic resolution diffusion tensor imaging of lumbosacral and sciatic nerves using a phase-corrected diffusion-prepared 3D turbo spin echo

Barbara Cervantes, Anh T. Van, Dominik Weidlich, Hendrick Kooijman, Andreas Hock, Ernst J. Rummeny, Alexandra Gersing, Jan S. Kirschke, Dimitrios C. Karampinos
2018 Magnetic Resonance in Medicine  
Phase navigation of motion-induced phase errors was introduced before readout in 3D TSE.  ...  Conclusion: DP 3D TSE with phase correction allows distortion-free isotropic diffusion imaging of lower back nerves with robustness to motion-induced artifacts and DTI quantification errors.  ...  RESULTS Effects of Phase Errors on Image Reconstruction and Diffusion Quantification Estimated phase error maps from DP 3D TSE data shown in the top row of Figure 3 show motion-induced phase that varies  ... 
doi:10.1002/mrm.27072 pmid:29380414 pmcid:PMC5947302 fatcat:c7vzgcmfqjed7lot5i4o4ijape

High efficiency, low distortion 3D diffusion tensor imaging with variable density spiral fast spin echoes (3D DW VDS RARE)

Lawrence R. Frank, Youngkyoo Jung, Souheil Inati, J. Michael Tyszka, Eric C. Wong
2010 NeuroImage  
We present an acquisition and reconstruction method designed to acquire high resolution 3D fast spin echo diffusion tensor images while mitigating the major sources of artifacts in DTI -field distortions  ...  , eddy currents and motion.  ...  Acknowledgments We would like to thank Dr Kun Lu for his assistance in pulse sequence matters, Dr. Tie-Q Li for his assistance with the variable density spiral implementation, and Dr.  ... 
doi:10.1016/j.neuroimage.2009.09.010 pmid:19778618 pmcid:PMC2791091 fatcat:fbweckukobgw7lncliujwszepq

Motion immune diffusion imaging using augmented MUSE for high-resolution multi-shot EPI

Shayan Guhaniyogi, Mei-Lan Chu, Hing-Chiu Chang, Allen W. Song, Nan-kuei Chen
2015 Magnetic Resonance in Medicine  
Theory-The previously reported Multiplexed Sensitivity Encoding (MUSE) algorithm is extended to account for macroscopic pixel misregistrations as well as motion-induced phase errors in a technique called  ...  Evaluations were made both on the resulting imaging quality and estimated diffusion tensor metrics.  ...  ACKNOWLEDGEMENT This research was supported by NIH R01-NS074045, NIH R21-EB018419, NIH R01-NS075017, and NIH R01-EB009483.  ... 
doi:10.1002/mrm.25624 pmid:25762216 pmcid:PMC4567534 fatcat:adw2wgojubeo5ln4jtugdbdtre

High-resolution multishot spiral diffusion tensor imaging with inherent correction of motion-induced phase errors

Trong-Kha Truong, Arnaud Guidon
2013 Magnetic Resonance in Medicine  
Purpose-To develop and compare three novel reconstruction methods designed to inherently correct for motion-induced phase errors in multi-shot spiral diffusion tensor imaging (DTI) without requiring a  ...  Conclusion- The proposed SENSE+CG method can inherently and effectively correct for phase errors, signal loss, and aliasing artifacts caused by both rigid and nonrigid motion in multi-shot spiral DTI,  ...  Nan-kuei Chen and Allen W. Song for stimulating discussions. This work was supported by grant R01EB012586 from the National Institutes of Health.  ... 
doi:10.1002/mrm.24709 pmid:23450457 pmcid:PMC3949176 fatcat:s3asew7bn5bxfkwrje6yfak32y

3D diffusion tensor MRI with isotropic resolution using a steady-state radial acquisition

Youngkyoo Jung, Alexey A. Samsonov, Walter F. Block, Mariana Lazar, Aiming Lu, Jing Liu, Andrew L. Alexander
2009 Journal of Magnetic Resonance Imaging  
Materials and Methods-To perform 3D diffusion tensor imaging, a diffusion gradient was inserted in a SS 3DPR pulse sequence.  ...  Purpose-To obtain DTI images over a large image volume rapidly with 3D isotropic spatial resolution, minimal spatial distortions and reduced motion artifacts, a diffusion-weighted steadystate 3D projection  ...  Acknowledgments Grant support: National Institutes of Health R01 MH062015 and R01 CA116380-01  ... 
doi:10.1002/jmri.21663 pmid:19388107 pmcid:PMC2755503 fatcat:nfvfpvzgnvclpptbqttnw2r6r4

Eddy-Current Distortion Correction and Robust Tensor Estimation for MR Diffusion Imaging [chapter]

J. -F. Mangin, C. Poupon, C. Clark, D. Le Bihan, I. Bloch
2001 Lecture Notes in Computer Science  
This paper presents a new procedure to estimate the diffusion tensor from a sequence of diffusion-weighted images.  ...  The first step of this procedure consists of the correction of the distortions usually induced by eddy-current related to the large diffusion-sensitizing gradients.  ...  For convenience we use the notation that the image is in the XY plane, and the phase-encoding direction lies along Y.  ... 
doi:10.1007/3-540-45468-3_23 fatcat:aubycgaibbamvgqcuxctqztqpq

Motion Correction of Multi-b-value Diffusion-weighted Imaging in the Liver

Yousef Mazaheri, Richard K.G. Do, Amita Shukla-Dave, Joseph O. Deasy, Yonggang Lu, Oguz Akin
2012 Academic Radiology  
Rationale and Objectives-Motion artifacts are a significant source of error in the acquisition and quantification of parameters from multi-b-value diffusion-weighted imaging (DWI).  ...  Registration error was estimated indirectly by comparing the normalized root-mean-square error (NRMSE) values of data fitted to the biexponential intra-voxel incoherent motion model before and after motion  ...  Hricak for providing support and mentorship.  ... 
doi:10.1016/j.acra.2012.07.005 pmid:22963726 pmcid:PMC4786013 fatcat:pvnwc4nrnrbofpvufaws37uop4

Segmented simultaneous multi-slice diffusion-weighted imaging with navigated 3D rigid motion correction

Malte Riedel Né Steinhoff, Kawin Setsompop, Alfred Mertins, Peter Börnert
2021 Magnetic Resonance in Medicine  
Low-resolution navigators are used to estimate shot-specific diffusion phase corruptions and 3D rigid motion parameters through SMS-to-volume registration.  ...  The proposed algorithm incorporates a 3D rigid motion correction and wavelet denoising into the image reconstruction of segmented SMS-EPI diffusion data.  ...  EPI to obtain signal support in the slice direction and propose SMS-to-volume registration for 3D rigid motion-corrected fMRI 49, 50 and diffusion tensor fitting. 51 In this work, we extend the navigated  ... 
doi:10.1002/mrm.28813 pmid:33955588 fatcat:kj6sweufhba75pew4wm7lpdosy

Correction of vibration artifacts in DTI using phase-encoding reversal (COVIPER)

Siawoosh Mohammadi, Zoltan Nagy, Chloe Hutton, Oliver Josephs, Nikolaus Weiskopf
2011 Magnetic Resonance in Medicine  
Here, we focus on vibrations induced by strong diffusion gradients in diffusion tensor imaging, causing an echo shift in k-space and consequential signal-loss.  ...  We implemented a correction of vibration artifacts in diffusion tensor imaging using phase-encoding reversal (COVIPER) by combining blip-up and blip-down images, each weighted by a function of its local  ...  Movement-related signal-loss in diffusion-weighted (DW) images can reduce the diagnostic value of DW imaging (23) , bias the estimation of the diffusion tensor (21, 23, 25, 27, 30) , reduce the comparability  ... 
doi:10.1002/mrm.23308 pmid:22213396 pmcid:PMC3569871 fatcat:yt4sdrul2zhlta6qiiutiebusu

Inherent correction of motion-induced phase errors in multishot spiral diffusion-weighted imaging

Trong-Kha Truong, Nan-kuei Chen, Allen W. Song
2011 Magnetic Resonance in Medicine  
Here, a novel iterative phase correction method is proposed to inherently correct for the motion-induced phase errors without requiring any additional scan time.  ...  Multi-shot spiral imaging is a promising alternative to echo-planar imaging for high-resolution diffusion-weighted imaging and diffusion tensor imaging.  ...  This work was, in part, supported by grants NS41328, NS65344, EB09483, and EB12586 from the National Institutes of Health.  ... 
doi:10.1002/mrm.24124 pmid:22222689 pmcid:PMC3323687 fatcat:sunypnstv5fpzc3axjrynojf7u

Improving the correction of eddy current-induced distortion in diffusion-weighted images by excluding signals from the cerebral spinal fluid

Wei Liu, Xiaozheng Liu, Guang Yang, Zhenyu Zhou, Yongdi Zhou, Gengying Li, Marc Dubin, Ravi Bansal, Bradley S. Peterson, Dongrong Xu
2012 Computerized Medical Imaging and Graphics  
Iterative Cross-Correlation (ICC) is the most popularly used schema for correcting eddy current (EC)-induced distortion in diffusion-weighted imaging data, however, it cannot process data acquired at high  ...  We analyzed the error sources and affecting factors in parameter estimation, and propose an efficient algorithm by expanding the ICC framework with a number of techniques: (1) Pattern recognition for excluding  ...  Acknowledgments Grant Acknowledgement This work was supported in part by NIMH grant K02-74677, NIBIB grant 1R03EB008235-01A1, a grant from the Shanghai Commission of Science and Technology #10440710200  ... 
doi:10.1016/j.compmedimag.2012.06.004 pmid:22835646 pmcid:PMC3432158 fatcat:nzkemk2vn5cg7f4kd5tmz4fqju

Comparison of quality control methods for automated diffusion tensor imaging analysis pipelines

Seyyed M. H. Haddad, Christopher J. M. Scott, Miracle Ozzoude, Melissa F. Holmes, Stephen R. Arnott, Nuwan D. Nanayakkara, Joel Ramirez, Sandra E. Black, Dar Dowlatshahi, Stephen C. Strother, Richard H. Swartz, Sean Symons (+4 others)
2019 PLoS ONE  
eddy current induced distortions, various levels of motion artifacts, and thermal noise.  ...  The processing of brain diffusion tensor imaging (DTI) data for large cohort studies requires fully automatic pipelines to perform quality control (QC) and artifact/outlier removal procedures on the raw  ...  Acknowledgments The authors would like to thank all ONDRI participants including the ONDRI investigators and the ONDRI governing committees: executive committee; steering committee; publication  ... 
doi:10.1371/journal.pone.0226715 pmid:31860686 pmcid:PMC6924651 fatcat:knvfsx4zrnandprikj2f5loscm

Diffusion tensor imaging and beyond

Jacques-Donald Tournier, Susumu Mori, Alexander Leemans
2011 Magnetic Resonance in Medicine  
Phase monitoring and postprocessing correction are, therefore, imperative to avoid severe artifacts in multishot DWI (27) (28) (29) (30) (31) (32) (33) (34) .  ...  In the late 1980s, diffusion-weighted imaging (DWI) became possible by combining MR diffusion measurements with imaging, enabling the mapping of both diffusion constants and diffusion anisotropy inside  ...  This can be extended to 3D with a rank-4 diffusional kurtosis tensor (138) .  ... 
doi:10.1002/mrm.22924 pmid:21469191 pmcid:PMC3366862 fatcat:vvyodydokfhyhntenpctq34rxq

Accelerated Cardiac Diffusion Tensor Imaging Using Joint Low-Rank and Sparsity Constraints

2018 IEEE Transactions on Biomedical Engineering  
Objective: The purpose of this manuscript is to accelerate cardiac diffusion tensor imaging (CDTI) by integrating low-rankness and compressed sensing.  ...  Methods: Diffusion-weighted images exhibit both transform sparsity and low-rankness.  ...  National Institutes of Health under Grants 1R01HL124649, R21 EB024701-01 and T32HL116273.  ... 
doi:10.1109/tbme.2017.2787111 pmid:29989936 pmcid:PMC6043416 fatcat:txpzzay4ijefda45fjp4s2i66q

Diffusion tensor imaging (DTI) with retrospective motion correction for large-scale pediatric imaging

Samantha J. Holdsworth, Murat Aksoy, Rexford D. Newbould, Kristen Yeom, Anh T. Van, Melvyn B. Ooi, Patrick D. Barnes, Roland Bammer, Stefan Skare
2012 Journal of Magnetic Resonance Imaging  
Materials and Methods-We implemented an in-house built GRAPPA-accelerated diffusion tensor (DT)-EPI sequence on 1600 patients between 1 month and 18 years old at 1.5T and 3T.  ...  , and to deliver high quality DTI images (both in the presence and absence of large motion) using procedures that reduce image noise and artifacts.  ...  Acknowledgments We are grateful for the help and enthusiasm of the MR technologists at our pediatric hospital: A.White, S. Lim, A.  ... 
doi:10.1002/jmri.23710 pmid:22689498 pmcid:PMC3443529 fatcat:mnazjhn6xnabxl3hhdzxh4mxri
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