Current Density Imaging is a technique our group has developed which allows images of Current Density to be made using a Magnetic Resonance Imager. Relevant reference material is in the following published papers. In Prior to publication, preprints are available in PDF format as well.
Last Update of This Page November 18, 2003
Richard S. Yoon , Tim P. DeMonte, Karshi F. Hasanov, Dawn Jorgenson, Michael L.G. Joy, Measurement of Defibrillation Current Flow inside Pig Torso", IEEE Transactions on Biomedical Engineering, 50(10), pp1167-1173, October 2003.
R.S. Yoon, A. Czaya, H.C. Kwan and M.L. Joy, Changes in the Complex Permittivity During Spreading Depression in Rat Cortex', IEEE Trans. Biomed. Eng, 46(11) 1330-1338, November 1999.
M.L.G Joy, V.P. Lebedev and J. Gatti, Imaging of Current Density and Current Pathways in Rabbit Brain during Transcranial Electrostimulation, IEEE Trans. Biomed. Eng., 46(9) 1139-1149, September 1999.
G.C. Scott, M.L.G. Joy, R.L. Armstrong and R.M. Henkelman, Electromagnetic Considerations for RF Current Density Imaging. IEEE Transactions on Medical Imaging, 14(3), 515-524 September 1995.
G.C. Scott, M.L.G. Joy, R.L. Armstrong and R.M. Henkelman, Rotating Frame RF Current Density Imaging'. Magnetic Resonance in Medicine, 33, 355-369, 1995.
G.C. Scott, M.L.G. Joy, R.L. Armstrong, and R.M. Henkelman, RF Current Density Imaging in Homogeneous Media, Magnetic Resonance in Medicine, 28, 186-201, 1992. G.C. Scott won the Society of Magnetic Resonance in Medicine's Young Investigator award for this paper and his verbal presentation of the work at their annual meeting in Berlin, August 1992.
G.C. Scott, M.L.G. Joy, R.L. Armstrong, R.M. Henkelman, Sensitivity of Magnetic Resonance Current Density Imaging, J. Mag. Res., 97, 235-254, 1992.
G.C. Scott, M.L.G. Joy, R.L. Armstrong, and R.M. Henkelman, Measurement of Non-Uniform Current Density by Magnetic Resonance, IEEE Transactions on Medical Imaging, 10, 362-374, September, 1991
P. Pesikan, M.L.G. Joy, G.C. Scott, R.M. Henkelman, Two dimensional current density imaging, IEEE Trans. Instrumentation and Measurement, 39, 1048-1053, December 1990.
M.L.G. Joy, G.C. Scott, R.M. Henkelman, In-Vivo Detection of Applied Electric Currents by Magnetic Resonance Imaging, Magnetic Resonance Imaging, 7, 89-94, 1989.
T.P. DeMonte, R.S. Yoon, D.B. Jorgenson & M.L.G. Joy, In-vivo Defibrillation Current Density Imaging in a Pig - 2003 ISMRM 2004 (Kyoto): Nov, 2003
T.P. DeMonte, R.S. Yoon, D.B. Jorgenson & M.L.G. Joy., Effects of Gradient Distortion on Low Frequency Current Density Imaging, ISMRM 2003 (Toronto), July 2003
T.P. DeMonte, R.S. Yoon, D.B. Jorgenson & M.L.G. Joy, A System for In-Vivo Cardiac Defibrillation Current Density Imaging in a Pig, EMBS 2003 (Cancun): - September 2003
R.S. Yoon, T.P. DeMonte, L. Organ & M.L.G. Joy, Study of current distribution for a non-invasive breast cancer detection device, EMBS 2003, Cancun, September 2003
R.S. Yoon, T.P. DeMonte, K.F. Hasanov, D. Jorgenson, M.L.G. Joy, Current Density Imaging of Electrical Current Pathways in the Pig Torso. EMBS/BMES, Houston, October 2002.
T.P. DeMonte, R.S. Yoon, K.F. Hasanov, D. Jorgenson & M.L.G. Joy, Image Distortion and Image Mis-registration in Low Frequency Current Density Imaging. EMBS/BMES, Houston, October 2002.
R.S. Yoon, T.P. DeMonte, K.F. Hasanov, D. Jorgenson, M.L.G. Joy, Defibrilation Current Density Imaging, CMBES Annual Meeting, Ottawa, May 2002.
R.S. Yoon, T.P. DeMonte, K.F. Hasanov, D. Jorgenson , M.L.G. Joy, Vector Analysis of Current Pathways in Post-mortem Pig Torso. Proceedings International Society for Magnetic Resonance in Medicine, X'th Scientific Meeting and Exhibition, page 2314, May 2002.
A. Patriciu, K. Yoshida, T.P. DeMonte, M.L.G. Joy, Detecting Skin Burns Induced by Surface Electrodes. Abstract Book, 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society #7.1.5-12 p 166, CD 1158, Istanbul October 2001.
A. Patriciu, T.P. DeMonte, M.L.G. Joy, J.J. Struijk, Investigation of Current Densities Produced by Surface Electrodes Using Finite Element Modeling and Current Density Imaging.. Abstract Book, 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society #5.1.4-14, CD 1157, Istanbul October 2001.
T.P. DeMonte, R.S. Yoon, D. Jorgenson, M.L.G. Joy, Artifacts Associated with Measuring Cardiac Electrical Currents in a Post-mortem Pig Using Current Density Imaging. Proceedings International Society for Magnetic Resonance in Medicine, X'th Scientific Meeting and Exhibition, page 2313, May 2002.
R.S. Yoon, T.P. DeMonte, , K.F. Hasanov, Dawn Jorgenson, M.L.G. Joy, Direct Measurement of Current Pathways Between Defibrillation Electrodes in a Pig, NASPE 2002 San Diego, May 2002, Pacing and Clinical Electrophysiology, 25(4) Part II P697, April 2002
R.S. Yoon, K.F. Hasanov T.P. Demonte, D. Jorgensen, M.L.G. Joy, Defibrillation Electrical Current Pathways in the Heart and Chest of a Pig. Book of Abstracts p53, Imaging Network
Richard S. Yoon*, Tim P . DeMonte*, Karshi F. Hasanov*, Dawn Jorgenson , Michael L.G. Joy* † *Institute of Biomaterials and Biomedical Engineering, University of Toronto, Canada Heartstream Operation, Philips Medical System, Seattle WA, U.S.A. † Direct Measurement of Current Pathways between Defibrillation Electrodes in a Pig, NASPE 2000, PDF, 400kB
The Forward Problem of EEG Source Localization Using Current Density Imaging, Torab, L., and Joy, M. L. G. -- IBBME Scientific Day, June 6, 2000: Winner of Poster Award. and ISMRM 2000 Glasgow April 2000 PDF 58kB
Radio frequency current density imaging (RF-CDI) of spreading depression in rodent cortex. R.Yoon, M.Joy, ISMRM 99 PDF 1.2M
Measurement of EEG Lead Fields Using Current Density Imaging with MRI? M. Jy, M. Kusano and R.M. Henkelman, ISBET 98 PDF 1.5MB
Complex permittivity measurements during cortical spreading depression - study for RF-CDI, R.S. Yoon, H.C. Kwan and M. Joy, ISBET 98 PDF 1.8MB
IMAGING CURRENT DENSITY IN LIVING ANIMALS USING MRI, M.L.G.
JOY , V.P. LEBEDEV , R. YOON, IFESS 2000 PDF
232kB