Hermann Scharfetter

Ao.Univ.-Prof. Dipl.-Ing. Dr.techn.

1992 …2019
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Research Output 1992 2019

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2006

Solution of the Inverse Problem of Magnetic Induction Tomography (MIT) With Multiple Objects: Analysis of Detectability and Statistical Properties with Respect to the Reconstructed Conducting Region

Merwa, R., Brunner, P., Missner, A., Hollaus, K. & Scharfetter, H., 2006, In : Physiological measurement. 27, p. 249-259

Research output: Contribution to journalArticleResearchpeer-review

2005

A New Type of Gradiometer for the Receiving Circuit of Magnetic Induction Tomography (MIT)

Scharfetter, H., Merwa, R. & Pilz, K., 2005, In : Physiological measurement. 26, 2, p. 307-318

Research output: Contribution to journalArticleResearchpeer-review

Die Faszination der Spule

Scharfetter, H., 14 Feb 2005, Der Standard, p. 22-22.

Research output: Contribution to specialist publicationArticleResearch

Fat and hydration monitoring by abdominal bioimpedance analysis: Data interpretation by hierarchical electrical modelling.

Scharfetter, H., Brunner, P., Brandstätter, B., Hinghofer-Szalkay, H. & Mayer, M., 2005, In : IEEE transactions on biomedical engineering. 52, p. 975-982

Research output: Contribution to journalArticleResearchpeer-review

Monitoring of lung edema using focused impedance spectroscopy: a feasibility study

Mayer, M., Brunner, P., Merwa, R. & Scharfetter, H., 2005, In : Physiological measurement. 26, 3, p. 185-192

Research output: Contribution to journalArticleResearchpeer-review

Solution of the Inverse Problem of Magnetic Induction Tomography (MIT)

Merwa, R., Hollaus, K., Brunner, P. & Scharfetter, H., 2005, In : Physiological measurement. 26, p. 241-250

Research output: Contribution to journalArticleResearchpeer-review

2004

Bioelectrical Impedance Analysis - Part I : Review of Principles and Methods

Kyle, U. G., Bosaeus, I., De Lorenzo, A. D., Deurenberg, P., Marinos, E., Gómez, J. M., Lilienthal Heitmann, B., Kent-Smith, L., Melchior, J-C., Pirlich, M., Scharfetter, H., Schols, A. M. W. J. & Pichard, C., 2004, In : Clinical Nutrition. 23, 5, p. 1226-1243

Research output: Contribution to journalArticleResearchpeer-review

Bioelectrical Impedance Analysis - Part II : Utilization in Clinical Practice

Kyle, U. G., Bosaeus, I., De Lorenzo, A. D., Deurenberg, P., Marinos, E., Gómez, J. M., Lilienthal Heitmann, B., Kent-Smith, L., Melchior, J-C., Pirlich, M., Scharfetter, H., Schols, A. M. W. J. & Pichard, C., 2004, In : Clinical Nutrition. 23, 6, p. 1430-1453

Research output: Contribution to journalArticleResearchpeer-review

Detection of brain oedema using magnetic induction tomography: a feasibility study of the likely and detectability

Merwa, R., Hollaus, K., Biro, O. & Scharfetter, H., 2004, In : Physiological measurement. 25, 1, p. 347-354

Research output: Contribution to journalArticleResearchpeer-review

Fast calculation of the sensitivity matrix in magnetic induction tomography by tetrahedral edge finite elements and the reciprocity theorem

Hollaus, K., Magele, C., Merwa, R. & Scharfetter, H., 2004, In : Physiological measurement. 1, p. 159-168

Research output: Contribution to journalArticleResearchpeer-review

Measurement of liver iron overload by magnetic induction using a planar gradiometer: preliminary human results

Casañas, R., Scharfetter, H., Altes, A., Rechmacha, A., Sarda, P., Sierra, J., Merwa, R., Hollaus, K. & Rosell, J., 2004, In : Physiological measurement. 25, 1, p. 315-323

Research output: Contribution to journalArticleResearchpeer-review

Numerical Simulation of the Eddy Current Problem in Magnetic Induction Tomography for Biomedical Applications by Edge Elements

Hollaus, K., Magele, C., Merwa, R. & Scharfetter, H., 2004, In : IEEE Transactions on Magnetics. 40, 2, p. 623-626

Research output: Contribution to journalArticleResearchpeer-review

Planar gradiometer for magnetic induction tomography (MIT): theoretical and experimental sensitivity maps for a low-contrast phantom

Scharfetter, H., Rauchenzauner, S. J., Merwa, R., Biro, O. & Hollaus, K., 2004, In : Physiological measurement. 25, 1, p. 325-333

Research output: Contribution to journalArticleResearchpeer-review

Sodium Intake does not Influence Bioimpedance - Derived Extracellular Volume Loss in Headdown Rest

Hinghofer-Szalkay, H., Laszlo, Z., Passath, H., Pilz, K., Rössler, A., Jezova, D. & Scharfetter, H., 2004, In : Aviation, Space & Environmental Medicine. 75, 12, p. 1036-1041

Research output: Contribution to journalArticleResearchpeer-review

2003

Biological tissue characterization by magnetic induction spectroscopy (MIS): requirements and limitations

Scharfetter, H., Casanas, R. & Rosell, J., 2003, In : IEEE transactions on biomedical engineering. p. 870-880

Research output: Contribution to journalArticleResearchpeer-review

Direct estimation of Cole parameters in multifrequency EIT using a regularized Gauss-Newton method

Brandstätter, B., Hollaus, K., Mayer, M., Merwa, R., Scharfetter, H. & Hutten, H., 2003, In : Physiological measurement. p. 437-448

Research output: Contribution to journalArticleResearchpeer-review

Numerical solution of the general 3D eddy current problem for magnetic induction tomography (spectroscopy)

Merwa, R., Hollaus, K. & Scharfetter, H., 2003, In : Physiological measurement. 24, p. 545-554

Research output: Contribution to journalArticleResearchpeer-review

2002

Bed rest immobilization with various oral sodium supply: plasma hormones and body fluids

Hinghofer-Szalkay, H., Laszlo, Z., Jezova, D., Rössler, A., Haditsch, B., Pilz, K., Passath, H. & Scharfetter, H., 2002, In : Endocrine regulations. p. 151-159

Research output: Contribution to journalArticleResearchpeer-review

Sensitivity maps for low-contrast perturbations within conducting background in magnetic induction tomography

Scharfetter, H., Riu, P., Populo, M. & Rosell, J., 27 Feb 2002, In : Physiological measurement. 23, 1, p. 195-202 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Electric Conductivity
Electromagnetic induction
Magnetic Fields
Eddy currents
Agar
2001

Adipose tissue can be quantified by local bioimpedance analysis

Hinghofer-Szalkay, H. G., Schlager, T., Stollberger, R., Felsberger, R. & Scharfetter, H., 2001, In : The FASEB journal. 15, p. A75-A75

Research output: Contribution to journalArticleResearchpeer-review

Assessing abdominal fatness with local bioimpedance analysis: basics and experimental findings.

Scharfetter, H., Schlager, T., Stollberger, R., Felsberger, R., Hutten, H. & Hinghofer-Szalkay, H., 2001, In : International journal of obesity and related metabolic disorders. 25, 4, p. 502-511

Research output: Contribution to journalArticleResearchpeer-review

Efficient computation of optimal controls for the exchange processes during the dialysis therapy

Bachhiesl, P., Scharfetter, H., Hutten, H., Kappel, F. & Hintermüller, M., 2001, In : Computational optimization and applications. 18, p. 161-174

Research output: Contribution to journalArticleResearchpeer-review

Magnetic induction tomography: Hardware for multi-frequency measurements in biological tissues

Scharfetter, H., Lackner, H. K. & Rosell, J., 14 Mar 2001, In : Physiological measurement. 22, 1, p. 131-146 16 p.

Research output: Contribution to journalArticleResearchpeer-review

Electromagnetic induction
Tomography
Tissue
Hardware
Electric Conductivity

Sensitivity maps and system requirements for magnetic induction tomography using a planar gradiometer

Rosell, J., Casañas, R. & Scharfetter, H., 14 Mar 2001, In : Physiological measurement. 22, 1, p. 121-130 10 p.

Research output: Contribution to journalArticleResearchpeer-review

Electromagnetic induction
Polychlorinated Biphenyls
Polychlorinated biphenyls
Tomography
Detectors
2000

Kinetics of the Metal Cations Magnesium, Calcium, Copper, Zinc, Strontium, Barium, and Lead in Chronic Dialysis Patients

Krachler, M., Scharfetter, H. & Wirnsberger, G., 2000, In : Nephron. 54, p. 35-44

Research output: Contribution to journalArticleResearchpeer-review

1999

Ein Ansatz zur Optimierung der Prozeßsteuerung bei der Hämodialyse

Bachhiesl, P., Scharfetter, H., Kappel, F. & Hutten, H., 1999, In : Automatisierungstechnik. 47, p. 38-48

Research output: Contribution to journalArticleResearchpeer-review

Exchange of alkali trace elements in hemodialysis Patients: a comparison with Na(+) and K(+)

Krachler, M., Scharfetter, H. & Wirnsberger, G., 1999, In : Nephron. 83, p. 226-236

Research output: Contribution to journalArticleResearchpeer-review

Inductively coupled wideband transceiver for bioimpedance spectroscopy (IBIS)

Scharfetter, H., 1999, In : Annals of the New York Academy of Sciences. 873, p. 322-334

Research output: Contribution to journalArticleResearchpeer-review

1998

A model of artefacts produced by stray capacitance during whole body or segmental bioimpedance spectroscopy

Scharfetter, H., Hartinger, P., Hinghofer-Szalkay, H. & Hutten, H., 10 Jun 1998, In : Physiological measurement. 19, 2, p. 247-261 15 p.

Research output: Contribution to journalArticleResearchpeer-review

Electric Impedance
Artifacts
Spectrum Analysis
Electrodes
Capacitance

Evaluation of concentrations of cesium and rubidium in whole blood, plasma and serum in different diseases

Krachler, M., Scharfetter, H. & Wirnsberger, G., 1998, In : Trace elements and electrolytes. 15, p. 22-27

Research output: Contribution to journalArticleResearch

Nicht-invasive Bestimmung der Gefässcompliance.

Monif, M., Scharfetter, H. & Hutten, H., 1 Jan 1998, In : Biomedizinische Technik. Biomedical engineering. 43, 3, p. 61-64 4 p.

Research output: Contribution to journalArticleResearchpeer-review

1997

Influence of ionic shifts during dialysis on volume estimations with multifrequency impedance analysis

Scharfetter, H., Wirnsberger, G., Holzer, H. & Hutten, H., 1997, In : Medical & biological engineering & computing. 35, p. 96-102

Research output: Contribution to journalArticleResearchpeer-review

Optimale Prozesskontrolle der Dialysetherapie.

Hutten, H., Bachhiesl, P., Scharfetter, H. & Kappel, F., 1 Jan 1997, In : Biomedizinische Technik. Biomedical engineering. 42 Suppl, p. 7-8 2 p.

Research output: Contribution to journalArticleResearchpeer-review

The effect of postural changes on the reliability of volume estimations from bioimpedance spectroscopy

Scharfetter, H., Monif, M., Laszlo, Z., Lambauer, T., Hutten, H. & Hinghofer, H., 1997, In : Kidney international. 51, p. 1078-1087

Research output: Contribution to journalArticleResearchpeer-review

1996

Dynamical control of the dialysis process. Part I: Structural considerations and first mathematicel approach

Scharfetter, H., Bachhiesl, P., Köpke, K., Kappel, F. & Hutten, H., 1996, In : Biomedical Engineering / Biomedizinische Technik. 41, p. 196-102

Research output: Contribution to journalArticleResearchpeer-review

Dynamical control of the dialysis process. Part II: An improved algorithm for the solution of a tracking problem

Bachhiesl, P., Scharfetter, H., Kappel, F. & Hutten, H., 1996, In : Biomedical Engineering / Biomedizinische Technik. 41, p. 228-235

Research output: Contribution to journalArticleResearchpeer-review

Einfluβ orthostatischer Effekte auf die Genauigkeit impedanzspektroskopischer Volumenschätzverfahren in der Dialyse

Hutten, H., Scharfetter, H., László, Z. & Hinghofer-Szalkay, H., 1 Jan 1996, In : Biomedizinische Technik. 41, s1, p. 262-263 2 p.

Research output: Contribution to journalArticleResearchpeer-review

1995

Development and critical evaluation of an improved comprehensive multicompartment model for the exchange processes during hemodialysis

Scharfetter, H., Wirnsberger, G., Holzer, H. & Hutten, H., 1995, In : Biomedical Engineering / Biomedizinische Technik. 40, p. 54-63

Research output: Contribution to journalArticleResearchpeer-review

Erarbeitung Von Dialyseprofilen Durch Lösung Eines Tracking-Problems: Ein Werkzeug Für Die Optimierung Des Dialyseprozesses

Hutten, H., Scharfetter, H. & Köpke, K., 1 Jan 1995, In : Biomedizinische Technik. 40, s1, p. 247-248 2 p.

Research output: Contribution to journalArticleResearchpeer-review

In vitro Untersuchung der Verteilungsfaktoren für Na+, K+, C1- und Ca++ an Dialysemembranen

Fuchs, H., Scharfetter, H., Hutten, H., Wirnsberger, G. H. & Holzer, H., 1 Jan 1995, In : Biomedizinische Technik. 40, s2, p. 63-65 3 p.

Research output: Contribution to journalArticleResearchpeer-review

1994

Berücksichtigung Regionaler Blutflußverhältnisse in Einem Multikompartimentmodell zur Simulation von Dialyse-Austauschvorgängen

Scharfetter, H. & Hutten, H., 1 Jan 1994, In : Biomedizinische Technik. 39, s1, p. 354-355 2 p.

Research output: Contribution to journalArticleResearchpeer-review

1993

Entwicklung eines verbesserten Computermodells zur Simulation der Austauschprozesse bei Hämodialyse

Scharfetter, H. & Hutten, H., 1 Jan 1993, In : Biomedizinische Technik. 38, s1, p. 379-380 2 p.

Research output: Contribution to journalArticleResearchpeer-review

Evaluierung von Methoden zur Prozeßparameteroptimierung bei Hämodialyse

Les, M., Scharfetter, H. & Hutten, H., 1 Jan 1993, In : Biomedizinische Technik. 38, s1, p. 381-382 2 p.

Research output: Contribution to journalArticleResearchpeer-review

1992

Multikompartimentmodell zur computerunterstützten Simulation der Austauschvorgänge bel der Volumensubstitution

Scharfetter, H. & Hutten, H., 1 Jan 1992, In : Biomedizinische Technik. 37, s2, p. 208-209 2 p.

Research output: Contribution to journalArticleResearchpeer-review