Person

FH-Prof. DI Dr. Robert Merwa

Bildverarbeitung, Magnetresonanz Verfahren, Computergestützte Simulation, Signalverarbeitung

Ausbildung

Technische Universität Graz, Medizintechnik, Dr.techn.
Juni 2000 - Apr. 2004
Technische Universität Graz, Telematik, Dipl.-Ing.
Okt. 1990 - Juni 2000

Berufliche Laufbahn & Aktivitäten

Technische Universität Graz, Studienkommissionsersatzmitglied ,
Jan. 2006 - Jan. 2009
Technische Universität Graz, Universitätassistent , Lehrtätigkeit; Forschung auf dem Gebiet der Magnetischen Induktions-Tomographie und der Magnet-Resonanz-Verfahren
Sep. 2003 - Aug. 2009
Spezialforschungsbereich, SFB P14990, Forschungsassistent , Lehrtätigkeit and der Technischen Universität Graz; Forschung auf dem Gebiet der Magnetischen Induktions-Tomographie
Nov. 2001 - Aug. 2003
Spezialforschungsbereich, SFB F 315, Forschungsassistent , Lehrtätigkeit; Forschung auf dem Gebiet der Magnetischen Induktions-Tomographie
März 2001 - Okt. 2004
Technische Universität Graz, Vertragsassistent , Lehrtätigkeit; Forschung auf dem Gebiet der Elektrischen Impedanz-Tomographie
Juli 2000 - Feb. 2001

Forschungsinteressen

  • Magnetresonanz Verfahren
  • Computergestützte Simulation
  • Bildverarbeitung
  • Signalverarbeitung
2014
H. Egger, T. Haslwanter, R. Merwa - Gedanken steuern Maschinen - Moderne Technologien für Schwerstbehinderte - Gedanken steuern Maschinen - Moderne Technologien für Schwerstbehinderung., Linz, Österreich,… mehr
2013
G. Reishofer, C. Langkammer, K. Koschutnig, M. Jehna, R. Merwa, F. Ebner - Tractography from regularized high resolution RS-EPI diffusion weighted imaging - Proceedings of the Joint Annual Meeting ISMRM-ESMRMB… mehr
2012
G. Reishofer, R. Merwa, F. Ebner - Local Regularization of the Diffusion Tensor by Means of Independent Component Ananlysis and Total Variation - Application to High Resolution DTI - Proceedings of the… mehr
2012
R. Merwa, G. Reishofer - An Automatic Computation Tool for the Estimation of B1-Corrected Pharmacokinetic Parameters - Proceedings of the Joint Annual Meeting ISMRM-ESMRMB 2012, Melbourne, Australien,… mehr
2010
R. Merwa, G. Reishofer, T. Feiweier, K. Kapp, F. Ebner, R. Stollberger - Improvement of the Arterial Input Function considering B1-Inhomogeneities - Proceedings of the Joint Annual Meeting ISMRM-ESMRMB… mehr
2010
R. Merwa, G. Reishofer, T. Feiweier, K. Kapp, F. Ebner, R. Stollberger - Impact of B1-Inhomogeneities on the Quantification of Ktrans and Ve - Proceedings of the Joint Annual Meeting ISMRM-ESMRMB 2010,… mehr
2010
R. Merwa, G. Reishofer, T. Feiweier, K. Kapp, F. Ebner, R. Stollberger - Correction of the kinetic parameters of human tissue considering RF-field inhomogeneities - Proceedings of the Joint Annual Meeting… mehr
2009
R. Merwa, G. Reishofer, T. Feiweier, K. Kapp, F. Ebner, R. Stollberger - Improved quantification of pharmacokinetic parameters at 3 Tesla considering B1 inhomogeneities - Proceedings of the ISMRM 17th… mehr
2009
G. Reishofer, R. Merwa, M. Aschauer, R. Stollberger, F. Ebner - Reduction of Motion Artefacts in Renal Perfusion DCE-MRI Data - Proceedings of the ISMRM 17th Scientific Meeting & Exhibition, Honolulu,… mehr
2009
G. Reishofer, S. Keeling, R. Merwa, C. Enzinger, S. Ropele, R. Stollberger, F. Ebner - Automatic Macro-Vessel-Minimization using Independent Component Analysis and Local Scaling Functions - Proceedings… mehr
2009
R. Merwa, G. Reishofer, T. Feiweier, K. Kapp, F. Ebner, R. Stollberger - Impact of B1 inhomogeneities on AIF selection in DCE-MRI at 3 Tesla - Proceedings of the ISMRM 17th Scientific Meeting & Exhibition,… mehr
2008
R. Merwa, F. Ebner, T. Feiweier, R. Stollberger - Impact of the Correction of B1 inhomogeneities for dynamic contrast-enhanced imaging at 3 Tesla - Proceedings of the ISMRM 16th Scientific Meeting & Exhibition,… mehr
2008
R. Merwa, F. Ebner, T. Feiweier, R. Stollberger - The impact of B1 inhomogeneities on quantitative dynamic contrast enhanced MRI - Proceedings of the ÖGMP Annual Meeting and 3rd AISCMP Meeting, Graz,… mehr
2008
R. Merwa, H. Scharfetter - Magnetic induction tomography: comparison of the image quality using different types of receivers - PHYSIOLOGICAL MEASUREMENT, Vol. 29, No. 6, 2008, pp. 417-429 mehr
2007
R. Merwa - 13th International Conference on Electrical Bioimpedance and 8th Conference on Electrical Impedance Tomography 2007 - Springer Vieweg, 2007 mehr
2007
R. Merwa, H. Scharfetter - The influence of the coil configuration on the spatial resolution - Proceedings of the XIII International Conference on Electrical Bioimpedance & VIII Conference on Electrical… mehr
2007
R. Merwa, H. Scharfetter - A feasibility study of brain oedema detection using a finite element human head model - Proceedings of the XIII International Conference on Electrical Bioimpedance & VIII Conference… mehr
2007
R. Merwa, H. Scharfetter - Magnetic induction tomography: evaluation of the point spread function and analysis of resolution and image distortion - PHYSIOLOGICAL MEASUREMENT, Vol. 28, No. 7, 2007, pp.… mehr
2006
H. Scharfetter, K. Hollaus, J. Rosell, R. Merwa - Single-Step 3-D Image Reconstruction in Magnetic Induction Tomography: Theoretical Limits of Spatial Resolution and Contrast to Noise Ratio - ANNALS OF… mehr
2006
H. Scharfetter, P. Brunner, R. Merwa - Magnetische Induktionsomographie-Spektroskopie (MITS) - Haus der Technik, Vol. 99, No. 1, 2006, pp. 161-165 mehr
2006
R. Merwa, H. Scharfetter - Solution of the inverse problem of magnetic induction tomography (MIT) with multiple objects: analysis of detectability and statistical properties with respect to the reconstructed… mehr
2006
J. Rosell, R. Merwa, P. Brunner, H. Scharfetter - A multifrequency magnetic induction tomography system using planar gradiometers: data collection and calibration - PHYSIOLOGICAL MEASUREMENT, Vol. 27,… mehr
2006
P. Brunner, R. Merwa, A. Missner, J. Rosell, K. Hollaus, H. Scharfetter - Reconstruction of the shape of conductivity spectra using differential multi-frequency magnetic induction tomography - PHYSIOLOGICAL… mehr
2006
H. Scharfetter, A. Missner, R. Merwa - Magnetic Induction Tomography: Iterative and Single-Step Solution of Image Reconstruction Problem in Low-Contrast Bodies - Proceedings of the World Congress on Medical… mehr
2006
M. Mayer, P. Brunner, R. Merwa, F. Smolle-Jüttner, A. Maier, H. Scharfetter - Direct reconstruction of tissue parameters from differential multifrequency EIT in vivo - PHYSIOLOGICAL MEASUREMENT, Vol.… mehr
2006
H. Scharfetter, P. Brunner, R. Merwa - Magnetic Induction Tomography: Single-Step Solution of the 3-D Inverse Problem for Differential Image Reconstruction - International Journal of Information & System… mehr
2006
R. Merwa, H. Scharfetter - Magnetic Induction Tomography: analysis of resolution an object shifting - Proceedings of the World Congress on Medical Physics and Biomedical Engineering, Seoul, Südkorea,… mehr
2005
R. Merwa, P. Brunner, A. Missner, J. Rosell, K. Hollaus, H. Scharfetter - Solution of the inverse problem of magnetic induction tomography (MIT) in silicio and in vitro - Scientific Abstracts of the VI… mehr
2005
R. Merwa, K. Hollaus, P. Brunner, H. Scharfetter - Solution of the inverse problem of magnetic induction tomography (MIT) - PHYSIOLOGICAL MEASUREMENT, Vol. 26, No. 2, 2005, pp. 241-250 mehr
2005
H. Scharfetter, R. Merwa, K. Pilz - A new type of gradiometer for the receiving circuit of magnetic induction tomography (MIT) - PHYSIOLOGICAL MEASUREMENT, Vol. 26, No. 2, 2005, pp. 307-318 mehr
2005
M. Mayer, P. Brunner, R. Merwa, H. Scharfetter - Monitoring of lung edema using focused impedance spectroscopy: a feasibility study - PHYSIOLOGICAL MEASUREMENT, Vol. 26, No. 3, 2005, pp. 185-192 mehr
2005
P. Brunner, R. Merwa, A. Missner, J. Rosell, K. Hollaus, H. Scharfetter - Reconstruction of the shape of conductivity spectra using differential multi-frequency MIT - Scientific Abstracts of the VI Conference… mehr
2005
M. Mayer, P. Brunner, R. Merwa, H. Scharfetter - Direct reconstruction of tissue parameters from differential multifrequency EIT in vivo - Scientific Abstracts of the VI Conference on Biomedical Applications… mehr
2004
R. Merwa - Rekonstruktion pathologischer Strukturveränderungen im menschlichen Gehirn mit Hilfe der Magnetischen-Induktions-Tomographie - Shaker Verlag, 2004 mehr
2004
H. Scharfetter, R. Merwa, K. Pilz - A new type of gradiometer for the receiving circuit of Magnetic Induction Tomograpy (MIT) - Proceedings of the XII International Conference on Electrical Bioimpedance… mehr
2004
K. Hollaus, C. Magele, R. Merwa, H. Scharfetter - Numerical Simulation of the Eddy Current Problem in Magnetic Induction Tomography for Biomedical Applications by Edge Elements - IEEE TRANSACTIONS ON MAGNETICS,… mehr
2004
R. Casanas, H. Scharfetter, A. Altes, A. Remacha, P. Sarda, J. Sierra, R. Merwa, K. Hollaus, J. Rosell - Measurement of liver iron overload by magnetic induction using a planar gradiometer: preliminary… mehr
2004
H. Scharfetter, S. Rauchenzauner, R. Merwa, O. Biro , K. Hollaus - Planar gradiometer for magnetic induction tomography (MIT): theoretical and experimental sensitivity maps for a low-contrast phantom -… mehr
2004
R. Merwa, K. Hollaus, O. Biro , H. Scharfetter - Detection of brain oedema using magnetic induction tomography: a feasibility study of the likely sensitivity and detectability - PHYSIOLOGICAL MEASUREMENT,… mehr
2004
K. Hollaus, C. Magele, R. Merwa, H. Scharfetter - Fast calculation of the sensitivity matrix in magnetic induction tomography by tetrahedral edge finite elements and the reciprocity theorem - PHYSIOLOGICAL… mehr
2004
R. Merwa, K. Hollaus, H. Scharfetter - Solution of the Inverse Problem of Magnetic Induction Tomography (MIT) for Physiological Conductivities - Proceedings of the XII International Conference on Electrical… mehr
2004
R. Merwa, K. Hollaus, H. Scharfetter - Magnetic Induction Tomography: A Method for Optimizing the Coil Configuration - Proceedings of the XII International Conference on Electrical Bioimpedance & V Conference… mehr
2003
R. Merwa, K. Hollaus, H. Scharfetter - Magnetische Induktions-Tomographie: Messprinzip und Lösung des Vorwärtsproblems für die Datenrekonstruktion - BIOMEDIZINISCHE TECHNIK, Vol. 48, No. 1, 2003, pp.… mehr
2003
R. Merwa, K. Hollaus, B. Brandstätter, H. Scharfetter - Numerical solution of the general 3D eddy current problem for magnetic induction tomography (spectroscopy) - PHYSIOLOGICAL MEASUREMENT, Vol. 24,… mehr
2003
B. Brandstätter, K. Hollaus, H. Hutten, M. Mayer, R. Merwa, H. Scharfetter - Direct estimation of Cole parameters in multifrequency EIT using a regularized Gauss–Newton method - PHYSIOLOGICAL MEASUREMENT,… mehr
2003
K. Hollaus, C. Magele, R. Merwa, H. Scharfetter - Simulation of Eddy Currents in Biomedical Applications - Proceedings of the 14th Conference on the Computation of Electromagnetic Fields, New York, Vereinigte… mehr
2003
H. Scharfetter, K. Hollaus, R. Merwa - Sensitivity maps for magnetic induction tomography (MIT): Low-contrast perturbations in a background with physiological conductivity - Proceedings of the 4th Conference… mehr
2003
J. Rosell, R. Casanas, A. Altes, R. Merwa, K. Hollaus, H. Scharfetter - Non-invasive measurement of liver iron overload by magnetic induction using a planar gradiometer - Proceedings of the 4th Conference… mehr
2003
K. Hollaus, C. Magele, R. Merwa, H. Scharfetter - Fast calculation of the sensitivity matrix in magnetic induction tomography by tetrahedral edge finite elements - Proceedings of the 4th Conference on… mehr
2003
R. Casanas, H. Scharfetter, A. Altes, A. Remacha, P. Sarda, J. Sierra, R. Merwa, K. Hollaus, J. Rosell - In-Vitro and In-Vivo Measurement of Iron Concentration in Human Hepatic Tissue by Magnetic Induction… mehr
2002
R. Merwa, K. Hollaus, B. Brandstätter, H. Scharfetter - Numeric solution of the general 3D eddy current problem for magnetic induction tomography - Proceedings of the First Mummy Range Workshop on EIT,… mehr
2002
K. Hollaus, C. Magele, B. Brandstätter, R. Merwa, H. Scharfetter - Numerical simulation of the forward problem in magnetic induction tomography of biological tissue - Proceedings of the 10th IGTE Symposion… mehr
2002
H. Scharfetter, R. Casanas, R. Merwa, J. Rosell - Magnetic induction spectroscopy of biological tissue with a conducting background: experimental demonstration within the b-dispersion - IFMBE Proceedings… mehr
2002
Y. Salazar, H. Scharfetter, R. Merwa, J. Cinca, R. Bragos, J. Rosell - A 3D finite element thorax model for non invasive acute ischemia detection by impedance spectroscopy - IFMBE Proceedings 3 (1), Wien,… mehr
2002
B. Brandstätter, K. Hollaus, C. Magele, M. Mayer, R. Merwa, H. Scharfetter, H. Hutten - EIT spectroscopy by direct multifrequency-regularization of the Gauss-Newton method - Proceedings of the First Mummy… mehr
1999
H. Scharfetter, R. Merwa, F. Kappel, H. Hutten - Modular programming environment for simulation, identification and validation of complex nonlinear compartment models - MEDICAL & BIOLOGICAL ENGINEERING… mehr
2017
Bei dieser fünftägigen Seminarreihe DigiHealth handelte es sich um eine Weiterbildungsmaßnahme für Interessierte, BeraterInnen und HerstellerInnen, die in der digitalisierten Gesundheitstechnologie… mehr