ioannisgeorgakis

Ioannis Georgakis

PhD graduate 2019

Graduated from: Diploma/M.Eng. in Electrical Engineering and Computer Science from Aristotle University of Thessaloniki

Research interests: Computational methods for problems in physics and engineering, computational electromagnetics with an emphasis on integral equation methods, model order reduction, applied mathematics, magnetic resonance modeling.

Thesis title: Fast Integral Equation Methods and Performance Bounds of Modern Magnetic Resonance Coils

Academic mobility:

1) Massachusetts Institute of Technology (MIT), Department of Electrical Engineering and Computer Science, 09/2016 – 12/2016, Research Laboratory of Electronics, Computational Prototyping Group: http://www.rle.mit.edu/cpg/

2) New York University (NYU), School of Medicine, Department of Radiology, 02/2018 – 06/2018, Center for Advanced Imaging Innovation and Research: https://cai2r.net

Publications:

[J3] I. P. Georgakis, A. G. Polimeridis, R. Lattanzi, “Ultimate Intrinsic Transmit Efficiency for Radiofrequency Shimming.” (under review).

[J2] I. P. Georgakis, I. I. Giannakopoulos, M. S. Litsarev, A. G. Polimeridis, “A Fast Volume Integral Equation Solver with Linear Basis Functions for the Accurate Computation of Electromagnetic Fields in MRI.” arXiv preprint arXiv:1902.02196. (under review).

[J1] A. C. Yucel, I. P. Georgakis, A. G. Polimeridis, H. Bagci, J. K. White, “VoxHenry: FFTaccelerated Inductance Extraction for Voxelized Geometries.” IEEE Transactions on Microwave Theory and Techniques. 2018 Apr;66(4):1723-35. [C8] I. P. Georgakis, A. G. Polimeridis, R. Lattanzi, “Ideal Current Patterns for Optimal SNR in Realistic Heterogeneous Head Models.” In Proceedings of ISMRM 27th Annual Meeting and Exhibition, 2019 May, Montreal, Canada (p. 1036).

[C7] I. P. Georgakis, A. G. Polimeridis, R. Lattanzi, “Ultimate Intrinsic Transmit Efficiency for RF Shimming.” In Proceedings of Joint Annual Meeting ISMRM-ESMRMB, 2018 Jun, Paris, France (p. 0139).

[C6] A. C. Yucel, H. Bagci, I. P. Georgakis, A. G. Polimeridis, J. K. White, “An FFT-accelerated Inductance Extractor for Voxelized Structures.” In 2018 International Applied Computational Electromagnetics Society Symposium (ACES), 2018 Mar, Denver, CO, USA (pp. 1-2).

[C5] I. P. Georgakis, J. F. Villena, L. Daniel, J. K. White, A. G. Polimeridis, “Consistent Numerical Basis of Electromagnetic Fields in Realistic Human Body Models for MRI System Design and Optimization.” International Conference on Electromagnetics in Advanced Applications (ICEAA), 2017 Sep, Verona, Italy (p. 1063).

[C4] A.C. Yucel, I. P. Georgakis, A. G. Polimeridis, H. Bagci, J. K. White, “VoxHenry: FFTAccelerated Inductance Extraction for Voxelized Geometries.” In 38th Progress In Electromagnetics Research Symposium (PIERS), 2017 May, St Petersburg, Russia (p. 91).

[C3] I. P. Georgakis, J. K. White, A. G. Polimeridis, “Current-based Volume Integral Equation Solver with Piecewise Linear Basis Functions for Modeling Highly Inhomogeneous Objects.” In 38th Progress In Electromagnetics Research Symposium (PIERS), 2017 May, St Petersburg, Russia (p. 92).

[C2] J. E. C. Serralles, I. P. Georgakis, A. G. Polimeridis, L. Daniel, J. K. White, D. K. Sodickson, R. Lattanzi, “Volumetric Reconstruction of Tissue Electrical Properties from B+ 1 and MR Signals Using Global Maxwell Tomography: Theory and Simulation Results.” In Proceedings of ISMRM 25th Annual Meeting Exhibition, 2017 Apr, Honolulu, HI, USA (p. 3647), (Magna Cum Laude Merit Award).

[C1] I. P. Georgakis, A. G. Polimeridis, “Reduction of Volume-Volume Integrals Arising in Galerkin JM-VIE Formulations to Surface-Surface Integrals.” In 11th European Conference on Antennas and Propagation (EuCAP), IEEE, 2017 Mar, Paris, France (pp. 324-326).

Conferences:

[P5] I. P. Georgakis, A. G. Polimeridis, R. Lattanzi, “Ideal Current Patterns for Optimal SNR in Realistic Heterogeneous Head Models.” In Proceedings of ISMRM 27th Annual Meeting and Exhibition, 2019 May, Montreal, Canada (p. 1036). (oral presentation).

[P4] I. P. Georgakis, A. G. Polimeridis, R. Lattanzi, “Ultimate Intrinsic Transmit Efficiency for RF Shimming.” In Proceedings of Joint Annual Meeting ISMRM-ESMRMB, 2018 Jun, Paris, France (p. 0139). (oral presentation).

[P3] I. P. Georgakis, J. F. Villena, L. Daniel, J. K. White, A. G. Polimeridis, “Consistent Numerical Basis of Electromagnetic Fields in Realistic Human Body Models for MRI System Design and Optimization.” International Conference on Electromagnetics in Advanced Applications (ICEAA), 2017 Sep, Verona, Italy (p. 1063). (invited oral presentation).

[P2] I. P. Georgakis, J. K. White, A. G. Polimeridis, “Current-based Volume Integral Equation Solver with Piecewise Linear Basis Functions for Modeling Highly Inhomogeneous Objects.” In 38th Progress In Electromagnetics Research Symposium (PIERS), 2017 May, St Petersburg, Russia (p. 92). (oral presentation).

[P1] I. P. Georgakis, A. G. Polimeridis, “Reduction of Volume-Volume Integrals Arising in Galerkin JM-VIE Formulations to Surface-Surface Integrals.” In 11th European Conference on Antennas and Propagation (EuCAP), IEEE, 2017 Mar, Paris, France (pp. 324-326). (oral presentation).

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