NDLI: Conductivity imaging of human lower extremity using MREIT with multi-echo pulse sequence and 3 mA imaging current

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2011 8th International Symposium on Noninvasive Functional Source Imaging of the Brain and Heart and the 2011 8th International Conference on Bioelectromagnetism

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Numerical simulation of frequency-difference EIT using multi-shell concentric spherical head model

Methods for the EEG hyperscanning. Simultaneous recordings from multiple subjects during social interaction

MEG-based brain functional connectivity analysis using eConnectome

A convex relaxation framework for initialization of activation-based inverse electrocardiography

Adaptive spatial harmonic analysis of EEG data using Laplacian eigenspace

How reducing model mismatch is beneficial to EEG source localization: Simulation study

Estimation of cortical dipole distributions for multiple signal sources based on ICA

An evaluation of single dipole solutions to extended sources in EEG and MEG

A novel cardiac equivalent moving dipole solution

Cardiac conductivity values — A challenge for experimentalists?

In vivo MREIT conductivity imaging of canine brain to evaluate ischemia and abscess

Conductivity imaging of human lower extremity using MREIT with multi-echo pulse sequence and 3 mA imaging current

A coupled model to jointly predict EEG and optical evoked response changes in rats under varying stimulus patterns

Altered intrinsic functional organization of the brain in idiopathic generalized epilepsy

Three-dimensional MREIT simulator (MREITSim)

Feasibility of dual-frequency conductivity imaging using MREIT and MREPT

Influence of skull inhomogeneities on EEG source localization

Cortical functional connectivity inference using MEG

Numerical computations of cardiac AP using level set based geometries

Effectiveness of sparse Bayesian algorithm for MVAR coefficient estimation in MEG/EEG source-space causality analysis

Motor imagery based BCI classification via sparse representation of EEG signals

Comparison of fMRI activation and EEG source localization using beamformers during motor response in the Stroop task: Preliminary results

MEG/EEG source reconstruction based on Gabor thresholding in the source space

Investigating the measurement capability of densely-distributed subdermal EEG electrodes

Epileptic brain network from scalp EEG: Identifying the epileptic driver by connectivity analysis on brain waveforms

Safety factor in cardiac propagation

Identifying myocardial ischemia by inversely computing transmembrane potentials from body-surface potential maps

Recording cortical EEG subcortically — Improved EEG monitoring from depth-stimulation electrodes

Functional brain imaging using MREIT and EIT: Requirements and feasibility

Listen to the song of the brain in real time: The Chengdu Brainwave Music

Estimation of activation sequence from time course of equivalent current density in pathological hearts — A simulation study

2010 2nd International Conference on Reliability, Safety and Hazard - Risk-Based Technologies and Physics-of-Failure Methods (ICRESH)

2010 International Computer Symposium (ICS2010)

2010 First International Conference on Integrated Intelligent Computing

2010 International Conference of Information Science and Management Engineering

2010 Second International conference on Computing, Communication and Networking Technologies

2006 IEEE International Conference on Megagauss Magnetic Field Generation and Related Topics

IRE International Convention Record

Conductivity imaging of human lower extremity using MREIT with multi-echo pulse sequence and 3 mA imaging current

Content Provider	IEEE Xplore Digital Library
Author	Young Tae Kim Minhas, A.S. Zijun Meng Hyung Joong Kim Eung Je Woo
Copyright Year	2011
Description	Author affiliation: Impedance Imaging Research Center and Department of Biomedical Engineering, Kyung Hee University Gyeonggi-do, Korea (Young Tae Kim; Minhas, A.S.; Zijun Meng; Hyung Joong Kim; Eung Je Woo)
Abstract	We present our recent developments in tissue conductivity imaging of the human lower extremity using MREIT. In performing in vivo human knee and calf imaging experiments, we addressed two technical issues of the chemical shift artifact and measurement noise. Adopting a recently developed chemical shift artifact correction method for MREIT, we could improve the quality of conductivity images of the knee and calf. We found that the correction method is advantageous in terms of the signal-to-noise ratio (SNR) compared with a fat suppression method. Since the knee is more sensitive to injection currents, we limited the current amplitude in knee experiments to 3 mA to avoid painful sensation. Reduction of the current amplitude requests a similar reduction of the noise level in measured magnetic flux density signals since the signal is proportional to the current amplitude. We incorporated a lately developed multi-echo based MREIT pulse sequence to enhance MR signals and prolong the total current injection time, thereby reducing the noise level in measured magnetic flux density signals.
Starting Page	48
Ending Page	52
File Size	506308
Page Count	5
File Format	PDF
ISBN	9781424482825
e-ISBN	9781424482818
DOI	10.1109/NFSI.2011.5936818
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-13
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Knee Conductivity image Magnetic flux density Noise Imaging Humans Conductivity MREIT Bones Chemicals Chemical shift artifact correction
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Improved conductivity image of human lower extremity using MREIT with chemical shift artifact correction

MREIT conductivity imaging of canine head using multi-echo pulse sequence

Current Density Imaging During Transcranial Direct Current Stimulation Using DT-MRI and MREIT: Algorithm Development and Numerical Simulations

In vivo conductivity imaging of human knee using 3 mA injection current in MREIT

Simultaneous water and fat MRI with chemical-shift correction

Optimization of magnetic flux density for fast MREIT conductivity imaging using multi-echo interleaved partial fourier acquisitions

Noninvasive Bioimpedance Imaging by Means of Current Reconstruction Magnetic Resonance Electrical Impedance Tomography

Imaging electrical current density using nuclear magnetic resonance elektrik 6 (1998).

Comparison of magnetic resonance electrical impedance tomography (MREIT) reconstruction algorithms

Conductivity imaging of human lower extremity using MREIT with multi-echo pulse sequence and 3 mA imaging current

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