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Noise Effects in Various Quantitative Susceptibility Mapping Methods

Shuai Wang, Tian Liu, Weiwei Chen, Pascal Spincemaille, Cynthia Wisnieff, A. John Tsiouris, Wenzhen Zhu, Chu Pan, Lingyun Zhao, Yi Wang
2013 IEEE Transactions on Biomedical Engineering  
Various regularization methods have been proposed for single-orientation quantitative susceptibility mapping (QSM), which is an ill-posed magnetic field to susceptibility source inverse problem.  ...  In summary, noise effects in QSM can be reduced using Bayesian methods with proper noise weighting.  ...  The work was supported in part by the National Institutes of Health under Grant R01 NS072370 and Grant R01 EB013443.  ... 
doi:10.1109/tbme.2013.2266795 pmid:23751950 pmcid:PMC5553691 fatcat:dk4giupgzrbbnlgi3qbyehayuq

Structure Prior Effects in Bayesian Approaches of Quantitative Susceptibility Mapping

Shuai Wang, Weiwei Chen, Chunmei Wang, Tian Liu, Yi Wang, Chu Pan, Ketao Mu, Ce Zhu, Xiang Zhang, Jian Cheng
2016 BioMed Research International  
For reconstructing the QSM with a single orientation, various methods have been proposed to identify a unique solution for the susceptibility map.  ...  Quantitative susceptibility mapping (QSM) has shown its potential for anatomical and functional MRI, as it can quantify, for in vivo tissues, magnetic biomarkers and contrast agents which have differential  ...  Among compared methods, the MEDI method appears to be the most robust for quantitative susceptibility mapping.  ... 
doi:10.1155/2016/2738231 pmid:28097129 pmcid:PMC5206478 fatcat:4tr45rmbe5gjvcnwqbj456kigm

xQSM: Quantitative Susceptibility Mapping with Octave Convolutional and Noise Regularized Neural Networks [article]

Yang Gao, Xuanyu Zhu, Bradford A. Moffat, Rebecca Glarin, Alan H. Wilman, G. Bruce Pike, Stuart Crozier, Feng Liu, Hongfu Sun
2020 arXiv   pre-print
Quantitative susceptibility mapping (QSM) is a valuable magnetic resonance imaging (MRI) contrast mechanism that has demonstrated broad clinical applications.  ...  xQSM led to suppressed artifacts than the conventional methods, and enhanced susceptibility contrast, particularly in the ironrich deep grey matter region, than the original U-net, consistently.  ...  Acknowledgment We thank Steffen Bollmann and Markus Barth for sharing their codes for generating the synthetic training dataset in the present work.  ... 
arXiv:2004.06281v3 fatcat:57tavx3wwfeh7nod3nb4gmktfu

Simultaneous imaging of in vivo conductivity and susceptibility

Dong-Hyun Kim, Narae Choi, Sung-Min Gho, Jaewook Shin, Chunlei Liu
2013 Magnetic Resonance in Medicine  
Phase evolution during the multiecho was used to produce quantitative susceptibility maps, while the phase value at zero echo time was retrieved, and used to generates quantitative conductivity maps.  ...  Purpose: Approaches for quantitative mapping of electric conductivity and magnetic susceptibility using MRI have been developed independently.  ...  In addition, measurement of AC susceptibility has yet to be demonstrated. We showed quantitative methods for susceptibility and conductivity mapping.  ... 
doi:10.1002/mrm.24759 pmid:23606054 pmcid:PMC3883903 fatcat:bkqpovjsknefrkffwhozhyq2t4

Quantitative susceptibility mapping (QSM): Decoding MRI data for a tissue magnetic biomarker

Yi Wang, Tian Liu
2014 Magnetic Resonance in Medicine  
Recently, physically meaningful regularizations, including the Bayesian approach, have been developed to enable accurate quantitative susceptibility mapping (QSM) for studying iron distribution, metabolic  ...  However, the study of tissue magnetic susceptibility has been hindered by poor molecular specificities of hitherto used methods based on MRI signal phase and T2* contrast, which depend convolutedly on  ...  (iv) Field map derived at signal-to-noise ratio (SNR) ¼ 20 induced by a point source. FIG. 7 . 7 Comparison of various quantitative susceptibility mapping reconstruction methods.  ... 
doi:10.1002/mrm.25358 pmid:25044035 pmcid:PMC4297605 fatcat:zall27kgbnaezl4glzp7kwalfq

Cerebral Microbleeds: Burden Assessment by Using Quantitative Susceptibility Mapping

Tian Liu, Krishna Surapaneni, Min Lou, Liuquan Cheng, Pascal Spincemaille, Yi Wang
2012 Radiology  
Purpose: To assess quantitative susceptibility mapping (QSM) for reducing the inconsistency of standard magnetic resonance (MR) imaging sequences in measurements of cerebral microbleed burden.  ...  QSM was performed for various ranges of echo time by using both the magnitude and phase components in the morphologyenabled dipole inversion method.  ...  Advances in Knowledge Cerebral microbleeds can be n quantifi ed by their magnetic susceptibility properties determined by using quantitative susceptibility mapping (QSM).  ... 
doi:10.1148/radiol.11110251 pmid:22056688 pmcid:PMC3244668 fatcat:6nothg5khjeifmrvxcei3z5u2i

Simultaneous Unwrapping Phase and Error Recovery from Inhomogeneity (SUPER) for Quantitative Susceptibility Mapping of the Human Brain

Young-Joong Yang, Jong-Hyun Yoon, Hyun-Man Baek, Chang-Beom Ahn
2018 Investigative Magnetic Resonance Imaging  
Conclusion: Correcting global inhomogeneity using the SUPER technique is an effective way to obtain an accurate susceptibility map on QSM method.  ...  The global phase contained a non-harmonic phase due to various experimental and physiological causes, which degraded a susceptibility map.  ...  The present research has also been conducted by the research grant of Kwangwoon University in 2016.  ... 
doi:10.13104/imri.2018.22.1.37 fatcat:bzmbsclekfdktlt5ocliujnerm

Denoising High-Field Multi-Dimensional MRI With Local Complex PCA

Pierre-Louis Bazin, Anneke Alkemade, Wietske van der Zwaag, Matthan Caan, Martijn Mulder, Birte U. Forstmann
2019 Frontiers in Neuroscience  
In this work, we propose a denoising technique for multi-parametric quantitative MRI, combining a highly popular denoising method from diffusion imaging, over-complete local PCA, with a reconstruction  ...  of the complex-valued MR signal in order to define stable estimates of the noise in the decomposition.  ...  ACKNOWLEDGMENTS We would like to thank Josephine Groot for her help in recruiting and scanning subjects and Jill van Dorp and Judith Blankenagel for their help in anatomical delineations.  ... 
doi:10.3389/fnins.2019.01066 pmid:31649500 pmcid:PMC6794471 fatcat:tz5an3ntuzek3apxm3plbw2kam

Quantitative oxygenation venography from MRI phase

Audrey P. Fan, Berkin Bilgic, Louis Gagnon, Thomas Witzel, Himanshu Bhat, Bruce R. Rosen, Elfar Adalsteinsson
2013 Magnetic Resonance in Medicine  
Methods-Regularized quantitative susceptibility mapping (QSM) is used to reconstruct susceptibility values and estimate SvO 2 in veins.  ...  Purpose-To demonstrate acquisition and processing methods for quantitative oxygenation venograms that map in vivo oxygen saturation (SvO 2 ) along cerebral venous vasculature.  ...  Regularized Approaches for Quantitative Susceptibility Mapping As an alternative, this work proposes to measure SvO 2 through reconstruction of threedimensional (3D) quantitative susceptibility maps, from  ... 
doi:10.1002/mrm.24918 pmid:24006229 pmcid:PMC4234149 fatcat:eg7i7k7ekbgj7g4h3qukov5sty

Denoising High-field Multi-dimensional MRI with Local Complex PCA [article]

Pierre-Louis Bazin, Anneke Alkemade, Wietske van der Zwaag, Matthan Caan, Martijn Mulder, Birte U. Forstmann
2019 bioRxiv   pre-print
In this work, we propose a denoising technique for multi-parametric quantitative MRI, combining a highly popular denoising method from diffusion imaging, over-complete local PCA, with a reconstruction  ...  of the complex-valued MR signal in order to define stable estimates of the noise in the decomposition.  ...  Estimating the noise 127 Noise estimation in advanced MRI is far challenging: variations in coil sensitivity, non-local 128 susceptibility effects and dependencies to the B0 field as well as various acquisition  ... 
doi:10.1101/606582 fatcat:hw7o5ktkjjd37nzmrhm6oaw5ee

Investigation of BOLD fMRI resonance frequency shifts and quantitative susceptibility changes at 7 T

Marta Bianciardi, Peter van Gelderen, Jeff H. Duyn
2013 Human Brain Mapping  
Moreover, our results suggest the feasibility of mapping BOLD quantitative susceptibility changes in at least part of the activated area and its largest draining veins.  ...  Keywords BOLD fMRI phase signal changes; BOLD fMRI resonance frequency shifts; BOLD fMRI quantitative susceptibility changes; fractional oxygen saturation  ...  or by any other effective processing method.  ... 
doi:10.1002/hbm.22320 pmid:23897623 pmcid:PMC4280841 fatcat:varkuuodinb4hhtmamsrgkxz2y

A modulated closed form solution for quantitative susceptibility mapping — A thorough evaluation and comparison to iterative methods based on edge prior knowledge

Diana Khabipova, Yves Wiaux, Rolf Gruetter, José P. Marques
2015 NeuroImage  
of quantitative susceptibility mapping (QSM) techniques and their dependence on the assumptions made.  ...  Effective transverse relaxation Phase imaging Brain Tissue susceptibility magnetic resonance imaging (MRI) Modulated closed form solution (MCF) The aim of this study is to perform a thorough comparison  ...  Nevertheless, despite the last two effects being ignored when doing quantitative susceptibility mapping (QSM), this technique has demonstrated remarkable robustness in the ability to map iron deposition  ... 
doi:10.1016/j.neuroimage.2014.11.038 pmid:25463463 fatcat:sleg4bas2zbtpgrbejb3xblcgi

Accuracy of the Morphology Enabled Dipole Inversion (MEDI) Algorithm for Quantitative Susceptibility Mapping in MRI

Tian Liu, Weiyu Xu, P. Spincemaille, A. S. Avestimehr, Yi Wang
2012 IEEE Transactions on Medical Imaging  
Additional phantom validation and human brain imaging demonstrated the practicality of the MEDI method. Index Terms-error analysis, MEDI, MRI, quantitative susceptibility mapping.  ...  The error in the susceptibility map reconstructed by MEDI is expressed in terms of the acquisition noise and the error in the spatial prior information.  ...  ACKNOWLEDGMENT We thank Cynthia Wisnieff and Richard Wong at biomedical engineering department of Cornell University for their assistance in preparing the phantom experiment.  ... 
doi:10.1109/tmi.2011.2182523 pmid:22231170 pmcid:PMC3613569 fatcat:rzzqifsfqzhvvm7x4ldlzknjdi

MoDL-QSM: Model-based Deep Learning for Quantitative Susceptibility Mapping [article]

Ruimin Feng, Jiayi Zhao, He Wang, Baofeng Yang, Jie Feng, Yuting Shi, Ming Zhang, Chunlei Liu, Yuyao Zhang, Jie Zhuang, Hongjiang Wei
2021 arXiv   pre-print
Quantitative susceptibility mapping (QSM) has demonstrated great potential in quantifying tissue susceptibility in various brain diseases.  ...  Quantitative evaluation metrics (RSME, SSIM, and HFEN) were compared with recently developed deep learning QSM methods.  ...  Quantitatively, the susceptibility maps reconstructed by MoG-QSM reveal higher ICC than STAR-QSM in five selected ROIs Figure 9 : 9 Susceptibility maps from a traveling subject scanned in different sites  ... 
arXiv:2101.08413v2 fatcat:2pq6zm4l2bfuhisnganstjylii

Improved Quantitative Susceptibility Mapping under Laplace Algorithm in Diagnosis of Parkinson's Disease

Guangxi Chen, Liang Zeng, Liu Yang, Yixian Yu, Panli Sun, Tao Yao, Gustavo Ramirez
2021 Scientific Programming  
To explore the application value of quantitative susceptibility mapping (QSM) based on Laplace algorithm in the diagnosis of Parkinson's disease, 48 Parkinson's disease patients admitted to our hospital  ...  All patients underwent quantitative magnetic susceptibility imaging scan.  ...  susceptibility mapping (QSM) [6, 7] .  ... 
doi:10.1155/2021/8210526 fatcat:7cgxitpjlzbbha2yx4zk4jmcjy
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