Improved Current Source Design to Measure Induced Magnetic Flux Density Distributions in MREIT |
Oh Tong-In
(Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University)
Cho Young (Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University) Hwang Yeon-Kyung (Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University) Oh Suk-Hoon (Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University) Woo Eung-Je (Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University) Lee Soo-Yeol (Department of Biomedical Engineering, College of Electronics and Information, Kyung Hee University) |
1 | N. Zhang, Electrical Impedance Tomography based on Current Density Imaging, MS Thesis, Dept. of Elec. Eng., Univ. of Toronto, Toronto, Canada, 1992 |
2 | Y. Z. Ider and O. Birgul, 'Use of the magnetic field generated by the internal distribution of injected currents for Electrical Impedance Tomography (MR-EIT)', Elektrik, Vol. 6, pp.215-225, 1998 |
3 | H. S. Khang, B. I. Lee, S. H. Oh, E. J. Woo, S. Y. Lee, M. H. Cho, O. Kwon,J. R. Yoon, and J. K. Seo, 'J-substitution algorithm in magnetic resonance electrical impedance tomography (MREIT): phantom experiments for static resistivity images', IEEE Trans. Med. Imag., Vol. 21, pp.695-702, 2002 DOI ScienceOn |
4 | J. K. Seo, J. R. Yoon, E. J. Woo, and O. Kwon, 'Reconstruction of conductivity and current density images using only one component of magnetic field measurements', IEEE Trans. Biomed. Eng., Vol. 50, pp.1121-1124, 2003 DOI ScienceOn |
5 |
C. Park, O. Kwon, E. J. Woo, and J. K. Seo, 'Electrical conductivity imaging using gradient |
6 |
O. Kwon, C. Park, E. J. Park, J. K. Seo, and E. J. Woo, 'Electrical conductivity imaging using a variational method in |
7 | S. H. Oh, B. I. Lee, E. J. Woo, S. Y. Lee, T. S. Kim, O. Kwon, and J. K. Seo, 'Electrical conductivity images of biological tissue phantoms in MREIT', Physiol. Meas., Vol. 26, pp.S279-288, 2005 DOI ScienceOn |
8 | G. C. Scott, M. L. G. Joy, R. L. Armstrong, and R. M. Henkelman, 'Measurement of nonuniform current density by magnetic resonance',IEEE Trans. Med. Imag., Vol. 10, pp.362-374, 1991 DOI ScienceOn |
9 | Y. Z. Ider and S. Onart, 'Algebraic reconstruction for 3D MR-EIT using one component ofmagnetic flux density'.Physiol. Meas., Vol. 25, pp.281-294, 2004 DOI ScienceOn |
10 | J. P. Reilly, Applied Bioelectricity: From Electrical Stimulation To Electropathology, Springer-Verlag, NY, USA, 1998 |
11 | Y. Z. Ider, S. Onart, and W. R. B. Lionheart, 'Uniqueness and reconstruction in magnetic resonance-electrical impedance tomography (MR-EIT),' Physiol. Meas., Vol. 24, pp.591-604, 2003 DOI ScienceOn |
12 | M. L. Joy, 'MR current density and conductivity imaging: the state of the art', Proc. 26th Ann. Int. Conf. IEEE EMBS, San Francisco, CA, USA, pp.5315-5319, 2004 |
13 | S. H. Oh, B. I. Lee, T. S. Park, S. Y. Lee, E. J. Woo, M. H. Cho, O. Kwon, and J. K. Seo, 'Magnetic resonance electrical impedance tomography at 3 Tesla field strength', Mag. Reson. Med., Vol. 51, pp.1292-1296, 2004 DOI ScienceOn |
14 |
S. H. Oh, B. I. Lee, E. J. Woo, S. Y. Lee, M. H. Cho, O. Kwon, and J. K. Seo, 'Conductivity and current density image reconstruction using harmonic |
15 | O. Birgul, B. M. Eyuboglu, and Y. Z. Ider, 'Current constrained voltage scaled reconstruction (CCVSR) algorithm for MR-EIT and its performance with different probing current patterns', Phys. Med. BioI., Vol. 48, pp. 653-671,2003 DOI ScienceOn |
16 |
C. Park, E. J. Park, E. J. Woo, O. Kwon, and J. K. Seo, 'Static conductivity imaging using variational gradient |
17 | K. S. Kim, T. I. Oh, S. M. Paek, S. H. Oh, E. J. Woo, S. Y. Lee, and J. Yi, 'Design and performance analysis of current source for 3.0T MREIT system', J. Biomed. Eng. Res., Vol. 25, pp.165-169, 2004 DOI ScienceOn |
18 | E. J. Woo, S. Y. Lee, and C. W. Mun, 'Impedance tomography using internal current density distribution measured by nuclear magnetic resonance', SPIE, Vol. 2299, pp.377-385, 1994 |
19 | S. Franco, Design with Operational Amplifiers and Analog Integrated Circuits, McGraw-Hill, NY, USA, 2002 |
20 | B. I. Lee, S. H. Oh, E. J. Woo, S. Y. Lee, M. H. Cho, O. Kwon, J. K. Seo, and W. S. Baek, 'Static resistivity image of a cubic saline phantom in magnetic resonance electrical impedance tomography (MREIT)', Physiol. Meas., Vol. 24, pp.579-589, 2003 DOI ScienceOn |
21 | R. Sadleir, S. Grant, S. U. Zhang, B. I. Lee, H. C. Pya, S. H. Oh, C. Park, E. J. Woo, S. Y. Lee, O. Kwon, and J. K. Seo, 'Noise analysis in MREIT at 3 and 11 Tesla field strength', Physiol. Meas., Vol. 26, pp.875-884, 2005 DOI ScienceOn |
22 | G. C. Scott, M. L. G. Joy, R. L. Armstrong, and R. M. Hankelman, 'Sensitivity of magnetic resonance current density imaging', J. of Magn. Reson., Vol. 97, pp.235-254, 1992 |
23 | O. Kwon, E. J. Woo, J. R. Yoon, and J. K. Seo, 'Magnetic resonance electrical impedance tomography (MREIT): simulation study of J-substitution algorithm', IEEE Trans. Biomed. Eng., Vol. 48, pp.160-167, 2002 |
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