Andreas Fhager

Associate Professor at Chalmers, Electrical Engineering, Signalbehandling och medicinsk teknik, Biomedical Electromagnetics

Andreas Fhager is Associate Professor of Biomedical electromagnetics and the leader of this research group. As appointed Docent, he focuses his research on electromagnetic imaging methods for breast cancer detection, stroke detection and other biomedical applications of microwaves. This covers a broad range of topics including systems design, signal processing, electromagnetic modeling and optimization. Andreas Fhager is also a Co-Founder of the company Medfield Diagnostics AB, a medical device company commercializing microwave technology for safer diagnostics in health care. His teaching subjects include Electromagnetic Field Theory, Medical signals and systems and Diagnostic Imaging.

Source: chalmers.se

Showing 128 publications

2019

On the matching medium for microwave stroke diagnosis

Hoi-Shun Lui, Andreas Fhager
Biomedical Physics and Engineering Express. Vol. 5 (4)
Journal article
2019

Simulation Study of a Haemorrhagic Stroke Detector and Its Performance

Andreas Fhager, Stefan Candefjord, Mikael Persson
2019 13TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP)
Paper in proceedings
2019

3D Simulations of Intracerebral Hemorrhage Detection Using Broadband Microwave Technology

Andreas Fhager, Stefan Candefjord, Mikael Elam et al
Sensors. Vol. 19 (16)
Journal article
2019

Application of two-dimensional discrete dipole approximation in simulating electric field of a microwave breast imaging system

Samar Hosseinzadegan, Andreas Fhager, Mikael Persson et al
IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. Vol. 3 (2), p. 80-87
Journal article
2019

Reducing Motion Artifacts in Microwave-Based Hemorrhagic Stroke Detection

Sina Rezaei Aghdam, Andreas Fhager, Christian Fager et al
13th European Conference on Antennas and Propagation, EuCAP 2019
Paper in proceedings
2018

Microwave Diagnostics Ahead: Saving Time and the Lives of Trauma and Stroke Patients

Andreas Fhager, Stefan Candefjord, Mikael Elam et al
IEEE Microwave Magazine. Vol. 19 (3), p. 78-90
Journal article
2018

FDTD based simulation study of a classification based hemorrhagic stroke detector

Andreas Fhager, Stefan Candefjord, Mikael Persson
IET Conference Publications. Vol. 2018 (CP741)
Paper in proceedings
2018

Investigation of a Time Domain Microwave System for Biomedical Applications

Xuezhi Zeng, Andreas Fhager, Mikael Persson et al
2018 48th European Microwave Conference, EuMC 2018, p. 503-506
Paper in proceedings
2018

Effects of the Plastic of the Realistic GeePS-L2S-Breast Phantom

Tomas Rydholm, Andreas Fhager, Mikael Persson et al
Diagnostics. Vol. 8 (3)
Journal article
2018

Integrating the discrete dipole approximation forward solver with a microwave tomography algorithm

Samar Hosseinzadegan, Andreas Fhager, Mikael Persson et al
2018 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING, p. 2295-2296
Paper in proceedings
2018

The 2017 first ieee mtt-s international microwave bio conference

Andreas Fhager, Christoph Baer, Katia Grenier
IEEE Microwave Magazine. Vol. 19 (1), p. 124-127
Journal article
2018

On the matching medium for microwave-based medical diagnosis

Hoi-Shun Lui, Andreas Fhager
Biomedical Physics and Engineering Express. Vol. 4 (3)
Journal article
2018

Reducing computational burden in the gradient calculation of a time-domain microwave image reconstruction algorithm

Andreas Fhager, Mikael Persson
2018 IEEE Conference on Antenna Measurements and Applications, CAMA 2018
Paper in proceedings
2018

Comparing a time-domain and frequency-domain based algorithm in microwave tomography

Tomas Rydholm, Andreas Fhager, Mikael Persson et al
IET Conference Publications. Vol. 2018 (CP741)
Paper in proceedings
2018

On the electric field of microwave imaging systems using discrete dipole approximation

Samar Hosseinzadegan, Andreas Fhager, Mikael Persson et al
2018 IEEE Conference on Antenna Measurements and Applications, CAMA 2018
Paper in proceedings
2017

Examination of the phase and log magnitude measurement projections and the implications for tomographic image reconstruction behavior

Paul M Meaney, Samar Hosseinzadegan, Andreas Fhager et al
2017 1st IEEE MTT-S International Microwave Bio Conference, IMBioC 2017
Paper in proceedings
2017

Microwave technology for detecting traumatic intracranial bleedings: tests on phantom of subdural hematoma and numerical simulations

Stefan Candefjord, JOHAN WINGES, Malik Ahzaz Ahmad et al
Medical and Biological Engineering and Computing. Vol. 55 (8), p. 1177-1188
Journal article
2017

A First Evaluation of the Realistic Supelec-Breast Phantom

Tomas Rydholm, Andreas Fhager, Mikael Persson et al
IEEE Journal of Electromagnetics, RF and Microwaves in Medicine and Biology. Vol. 1 (2), p. 59-65
Journal article
2017

Time domain microwave imaging system for biomedical applications

Xuezhi Zeng, Albert Monteith, Andreas Fhager et al
European Microwave Week 2016: "Microwaves Everywhere", EuMW 2016 - Conference Proceedings; 46th European Microwave Conference, EuMC 2016, p. 679-682
Paper in proceedings
2017

A computational study using time reversal focusing for hyperthermia treatment planning

Pegah Takook, Hana Dobsicek Trefna, Xuezhi Zeng et al
Progress in Electromagnetics Research B. Vol. 73 (1), p. 117-130
Journal article
2017

Comparison of Two Forward Models For Electric Field of Microwave Imaging Systems

Samar Hosseinzadegan, Paul M Meaney, Andreas Fhager et al
2017 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION & USNC/URSI NATIONAL RADIO SCIENCE MEETING, p. 969-970
Paper in proceedings
2017

Microwave tomographic image improvement by fitting to a Cole-Cole relaxation model

Tomas Rydholm, Andreas Fhager, Mikael Persson et al
2017 11th European Conference on Antennas and Propagation, EUCAP 2017, p. 682-684
Paper in proceedings
2017

Noise performance comparison between two different types of time-domain systems for microwave detection

Xuezhi Zeng, Albert Monteith, Andreas Fhager et al
International Journal of Microwave and Wireless Technologies. Vol. 9 (3), p. 535-542
Journal article
2017

Investigation of stimulus signals for a time domain microwave imaging system

Xuezhi Zeng, Albert Monteith, Andreas Fhager et al
IET Microwaves, Antennas and Propagation. Vol. 11 (11), p. 1636 - 1643
Journal article
2017

Reconstrunction strategies for microwave imaging of breast; Reconstructions constrained to the breast domain

Andreas Fhager, Mikael Persson
2017 1st IEEE MTT-S International Microwave Bio Conference, IMBioC 2017
Paper in proceedings
2016

Continuous tubular microwave heating of homogeneous foods: evaluation of heating uniformity

Birgitta Wäppling Raaholt, Sven Isaksson, Lars Hamberg et al
Journal of Microwave Power and Electromagnetic Energy. Vol. 50 (1), p. 43-65
Journal article
2016

Numerical study on image reconstructions of breast models in different matching liquids

Andreas Fhager, Mikael Persson
2016 IEEE Conference on Antenna Measurements and Applications, CAMA 2016, Syracuse, United States, 23-27 October 2016
Paper in proceedings
2016

Conformal mesh and two-step tomographic imaging of the Supelec breast phantom

Paul M Meaney, Tomas Rydholm, Andreas Fhager et al
2016 IEEE Conference on Antenna Measurements and Applications, CAMA 2016, Syracuse, United States, 23-27 October 2016
Paper in proceedings
2015

Pre-hospital care for stroke and trauma

Mikael Persson, Andreas Fhager, Yinan Yu et al
Conference Proceedings, 2014 IEEE MTT-S International Microwave Workshop Series on: RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-Bio 2014, London, United Kingdom, 8-10 December 2014
Paper in proceedings
2015

On the use of microwave based thermal monitoring in hyperthermia

Andreas Fhager, Hana Dobsicek Trefna, M. Shafiemehr et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Matching Medium for Biomedical Microwave Imaging

Hoi-Shun Lui, Andreas Fhager, Mikael Persson
2015 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP)
Paper in proceedings
2015

Microwave technology in medical diagnostics and treatment

Andreas Fhager, Hana Dobsicek Trefna, Pegah Takook et al
IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2015, Taipei, Taiwan, 21-23 September 2015, p. 133-134
Paper in proceedings
2015

A Comparative Study of Automated Segmentation Methods for Use in a Microwave Tomography System for Imaging Intracerebral Hemorrhage in Stroke Patients

Mahmood Qaiser, Shaochuan Li, Andreas Fhager et al
Journal of Electromagnetic Analysis and Applications. Vol. 7, p. 152-167
Journal article
2015

Microwave System Development for Medical Diagnostics

Xuezhi Zeng, Andreas Fhager, Mikael Persson et al
International Federation for Medical and Biological Engineering Proceedings. Vol. 48, p. 117-119
Paper in proceedings
2015

A wearable microwave detector for diagnosing thoracic injuries-test on a porcine pneumothorax model

Nils Petter Oveland, Ruben Buendia, Bengt-Arne Sjöqvist et al
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. Vol. 23 (2)
Journal article
2015

Microwave Technology in Medical Diagnostics and Treatment

Andreas Fhager, Hana Dobsicek Trefna, Pegah Takook et al
2015 Ieee Mtt-S International Microwave Workshop Series on Rf and Wireless Technologies for Biomedical and Healthcare Applications, p. 133-134
Book chapter
2015

Evaluation of the 3D time reversal method for hyperthermia treatment planning in head and neck tumors

Pegah Takook, Hana Dobsicek Trefna, Andreas Fhager et al
9th European Conference on Antennas and Propagation, EuCAP 2015, Lisbon, Portugal, 13-17 May 2015
Paper in proceedings
2015

Pre-hospital diagnosis for stroke and trauma patients using microwave technology

Stefan Candefjord, Mikael Persson, Andreas Fhager et al
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine. Vol. 23 (2)
Journal article
2015

Performance evaluation of dipole versus modified bow-tie in annular phased array applicators

Pegah Takook, Hana Dobsicek Trefna, Andreas Fhager et al
Progress in Electromagnetics Research Symposium, p. 1909-1912
Paper in proceedings
2014

Development of a Time Domain Microwave System for Medical Diagnostics

Xuezhi Zeng, Andreas Fhager, Zhongxia Simon He et al
IEEE Transactions on Instrumentation and Measurement. Vol. 63 (12), p. 2931-2939
Journal article
2014

Microwave-Based Stroke Diagnosis Making Global Prehospital Thrombolytic Treatment Possible

Mikael Persson, Andreas Fhager, Hana Dobsicek Trefna et al
IEEE Transactions on Biomedical Engineering. Vol. 61 (11), p. 2806-2817
Journal article
2014

On the use of different polarization measurements in microwave imaging of breast cancer tumors

Andreas Fhager, Mikael Persson, H. Lui
2014 IEEE Conference on Antenna Measurements and Applications, CAMA 2014, Antibes Juan-les-Pins; France; 16 November 2014 through 19 November 2014, p. Art. no. 7003336-
Paper in proceedings
2013

Microwave based diagnostics and treatment

Mikael Persson, Andreas Fhager, Hana Dobsicek Trefna et al
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, p. 3118-3119
Paper in proceedings
2013

Characterization and Detection of Breast Cancer using Ultra Wideband Polarimetric Electromagnetic Transients

Hoi-Shun Lui, Andreas Fhager, Jian Yang et al
7th European Conference on Antennas and Propagation, EuCAP 2013, Gothenburg, Sweden, 8-12 April 2013
Paper in proceedings
2013

Antenna configurations of microwave breast imaging

H. Lui, Andreas Fhager, Mikael Persson
2013 3rd Asia-Pacific Microwave Conference, APMC 2013; Seoul; South Korea; 5 November 2013 through 8 November 2013, p. 1188-1190
Paper in proceedings
2013

Design and Performance Evaluation of a Time Domain Microwave Imaging System

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
International Journal of Microwave Science and Technology. Vol. 2013, p. Art. no. 735692-
Journal article
2013

Developing a Wearable Microwave Instrument for Detecting Thorax Injuries – Tests On a Pneumothorax Phantom

Stefan Candefjord, Prateek Saraswat, Robert Samo et al
Medicinteknikdagarna 2013
Conference contribution
2013

Microwave technology shows potential for detecting traumatic intracranial bleedings

Stefan Candefjord, Malik Ahzaz Ahmad, Stefan Kidborg et al
7th European Conference on Antennas and Propagation (EuCAP), p. 2609-2610
Paper in proceedings
2013

Stroke diagnostics with a microwave helmet

Andreas Fhager, Yinan Yu, Tomas McKelvey et al
2013 7th European Conference on Antennas and Propagation, EuCAP 2013, p. 845-846
Paper in proceedings
2013

Antenna Modeling and Reconstruction Accuracy of Time Domain-Based Image Reconstruction in Microwave Tomography

Andreas Fhager, S.K. Padhi, Mikael Persson et al
International Journal of Biomedical Imaging. Vol. 2013
Journal article
2013

Microwave based diagnostics and treatment in practice

Mikael Persson, Andreas Fhager, Hana Trefna et al
2013 IEEE MTT-S International Microwave Workshop Series on RF and Wireless Technologies for Biomedical and Healthcare Applications, IMWS-BIO 2013 - Proceedings
Paper in proceedings
2012

Microwave Breast Imaging using Different Data Sets

Hoi-Shun Lui, Andreas Fhager, Mikael Persson
Proceedings of AntennEMB 2012
Conference contribution
2012

An ultrawideband microwave medical diagnostic system: Design considerations and system performance

Xuezhi Zeng, Andreas Fhager, Mikael Persson et al
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 3664-3668
Paper in proceedings
2012

Using microwave technology for detecting traumatic intracranial bleedings – tests on a brain phantom

Stefan Candefjord, Ahzaz Ahmad Malik, Stefan Kidborg et al
Medicinteknikdagarna 2012
Conference contribution
2012

Preliminary Investigations of Three-Dimensional Microwave Tomography using Different Data Sets

Hoi-Shun Lui, Andreas Fhager, Mikael Persson
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 2196-2200
Paper in proceedings
2012

On the Forward Scattering of Microwave Breast Imaging

Hoi-Shun Lui, Andreas Fhager, Mikael Persson
International Journal of Biomedical Imaging. Vol. 2012, p. 582037-
Journal article
2012

Stroke detection and diagnosis with a microwave helmet

Andreas Fhager, Mikael Persson
Proceedings of 6th European Conference on Antennas and Propagation, EuCAP 2012. Prague, 26-30 March 2012, p. 1796-1798
Paper in proceedings
2012

Image Reconstruction in Microwave Tomography Using a Dielectric Debye Model

Andreas Fhager, Mats Gustafsson, S. Nordebo
IEEE Transactions on Biomedical Engineering. Vol. 59 (1), p. 156 - 166
Journal article
2011

Microwave imaging for breast cancer detection: Comparison of tomographic imaging algorithms using single-frequency and time-domain data

Tonny Rubaek, Andreas Fhager, P. D. Jensen et al
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011
Paper in proceedings
2011

Experimental Investigation of the Accuracy of an Ultrawideband Time-Domain Microwave-Tomographic System

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
IEEE Transactions on Instrumentation and Measurement. Vol. 60 (12), p. 3939-3949
Journal article
2011

Modeling and reconstruction in a 3D microwave imaging system

Andreas Fhager, J. Köster, Tonny Rubaek et al
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011
Paper in proceedings
2011

Analysis of Forward Scattering Data for Microwave Breast Imaging

Hoi-Shun Lui, Andreas Fhager, Mikael Persson
Asia Pacific Microwave Conference, p. 195-198
Paper in proceedings
2011

Influence of noise on breast tumor detection using microwave tomography

Xuezhi Zeng, Andreas Fhager, Mikael Persson
Medicinteknikdagarna
Conference contribution
2011

Accuracy Evaluation of Ultrawideband Time Domain Systems for Microwave Imaging

Xuezhi Zeng, Andreas Fhager, Mikael Persson et al
IEEE Transactions on Antennas and Propagation. Vol. 59 (11), p. 4279-4285
Journal article
2011

Accuracy investigation of an ultra-wideband time domain microwave imaging system

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1928-1932
Paper in proceedings
2011

Image reconstruction in a microwave tomography prototype

Andreas Fhager, S. K. Padhi
Electromagnetic Compatibility Symposium and Exhibition, EMCSA 2011 - Symposium Proceedings
Paper in proceedings
2011

Effects of noise on tomographic breast imaging

Xuezhi Zeng, Andreas Fhager, Mikael Persson
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011
Paper in proceedings
2011

Microwave Tomography based Thermometry: a Feasibility Study

Hana Dobsicek Trefna, Andreas Fhager, Jenny Hellman et al
ESHO 2011, 27th Annual Meeting of ESHO, May 26-28, Aarhus, Denmark., p. 45-
Conference poster
2011

Circular microwave tomographic imaging. Experimental comparison between quantitative and qualitative algorithms

M. Guardiola, Andreas Fhager, L. Jofre et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 2800-2804
Paper in proceedings
2011

A PC-controlled microwave tomographic scanner for breast imaging

S.K. Padhi, J. Howard, Andreas Fhager et al
Review of Scientific Instruments. Vol. 82 (1)
Journal article
2011

Progress in clinical diagnostics and treatment with electromagnetic fields

Andreas Fhager, Xuezhi Zeng, Tonny Rubaek et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 1936-1937
Paper in proceedings
2011

Microwave imaging for medical applications

Mikael Persson, Xuezhi Zeng, Andreas Fhager
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 3070-3072
Paper in proceedings
2011

A microwave measurement system for stroke detection

Andreas Fhager, Mikael Persson
7th Loughborough Antennas and Propagation Conference, LAPC 2011, Loughborough, 14 November through 15 November 2011
Paper in proceedings
2011

Advances in Neuro Diagnostic based on Microwave Technology, Transcranial Magnetic Stimulation and EEG source localization

Mikael Persson, Tomas McKelvey, Andreas Fhager et al
Asia Pacific Microwave Conference, (APMC 2011;Melbourne, VIC; 5 - 8 December 2011), p. 469-472
Paper in proceedings
2011

A single-channel THz imaging system for biomedical applications

Tonny Rubaek, Robin Dahlbäck, Andreas Fhager et al
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011
Paper in proceedings
2011

A THz imaging system for biomedical applications

Tonny Rubaek, Robin Dahlbäck, Andreas Fhager et al
Proceedings of the 5th European Conference on Antennas and Propagation, EUCAP 2011. Rome, 11-15 April 2011, p. 3755-3758
Paper in proceedings
2011

Comparison between Two Phase Retrieval Methods for Electromagnetic Source Modeling

Markus Johansson, Andreas Fhager, Hoi-Shun Lui et al
Progress in Electromagnetics Research B. Vol. 30, p. 239-253
Journal article
2011

Electromagnetic Source Modeling using Phase Retrieval Methods

Markus Johansson, Hoi-Shun Lui, Andreas Fhager et al
30th URSI General Assembly and Scientific Symposium, URSIGASS 2011, Istanbul, 13-20 August 2011, p. 1-2
Paper in proceedings
2010

Stroke Detection Using a Broad Band Microwave Antenna System

Andreas Fhager, Tomas McKelvey, Mikael Persson
EUCAP2010, 4th European Conference on Antennas and Propagation, April 12-16, Barcelona, Spain, p. C13P1-2
Conference contribution
2010

Prescaling of Data for Improved Parameter Sensitivity in Biomedical Nonlinear Microwave Imaging

Tonny Rubaek, Andreas Fhager
Progress In Electromagnetics Research Symposium, Cambridge, USA, July 5-8
Conference contribution
2010

Study on the sensitivity of image reconstruction to the measurement uncertainty in microwave tomography

Xuezhi Zeng, Andreas Fhager, Mikael Persson
EuCAP 2010 - The 4th European Conference on Antennas and Propagation
Paper in proceedings
2010

Clinical Diagnostics and Treatment with Electromagnetic Fields

Andreas Fhager, Hana Dobsicek Trefna, Xuezhi Zeng et al
4th European Conference on Antennas and Propagation, EuCAP 2010; Barcelona; Spain; 12 April 2010 through 16 April 2010, p. C15P2-1
Paper in proceedings
2010

A Green's function approach to Fisher information analysis and preconditioning in microwave tomography

S. Nordebo, Andreas Fhager, Mats Gustafsson et al
Inverse Problems in Science and Engineering. Vol. 18 (8), p. 1043 - 1063
Journal article
2010

Fisher information analysis and preconditioning in electrical impedance tomography

S. Nordebo, R.H. Bayford, B.A. Bengtsson et al
Journal of Physics: Conference Series. Vol. 224 (1), p. Art. no. 012057-
Paper in proceedings
2010

3D FDTD modeling of a clinical system for microwave imaging

Andreas Fhager, Mikael Persson
2010 IEEE International Conference on Wireless Information Technology and Systems, ICWITS 2010
Conference contribution
2010

A 3D microwave tomographic system for breast cancer detection

Andreas Fhager, Mikael Persson
Medicinteknikdagarna, Umeå, Sweden, October 6–7
Conference contribution
2010

Towards a clinical prototype for microwave tomography applied for breast cancer detection

Andreas Fhager, Mikael Persson
IEEE International Symposium on Antennas and Propagation, 11-17 July, Toronto, Canada.
Conference contribution
2010

Comparison between a time domain and a frequency domain system for microwave tomography

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
Medicinteknikdagarna 2010
Conference contribution
2010

An adjoint field approach to Fisher information-based sensitivity analysis in electrical impedance tomography

S. Nordebo, R.H. Bayford, B.A. Bengtsson et al
Inverse Problems. Vol. 26 (12)
Journal article
2010

Antenna System for Clinical Microwave Tomography

Andreas Fhager, Adisak Romputtal, Mikael Persson
EUCAP2010, 4th European Conference on Antennas and Propagation, April 12-16, Barcelona, Spain, p. C13P1-3
Conference contribution
2010

A Compact 340 GHz Heterodyne Imaging System

Robin Dahlbäck, Biddut Kumar Banik, Peter Sobis et al
GigaHertz Symposium 2010, p. 74-
Paper in proceedings
2009

3D Image Reconstruction in Microwave Tomography Using an Efficient FDTD Model

Andreas Fhager, Shantanu Padhi, John Howard
IEEE Antennas and Wireless Propagation Letters. Vol. 8, p. 1353-1356
Journal article
2009

Investigations on the system measurement uncertainty for microwave tomography

Xuezhi Zeng, Andreas Fhager, Mikael Persson
Medicinteknikdagarna 2009
Conference contribution
2009

Applications of the Fisher Information Integral Operator for Inverse Problems

S. Nordebo, Andreas Fhager, Mats Gustafsson et al
The 9th International Conference on Mathematical and Numerical Aspects of Waves Propagation, Pau, France, June 15-19
Conference contribution
2009

Experimental Performances of Antennas for a Proposed Microwave Tomography System Using the Time-Domain Approach

Shantanu Padhi, Andreas Fhager, Mikael Persson et al
IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Paper in proceedings
2009

Broadband microwave based diagnostics and treatment

Mikael Persson, Andreas Fhager, Hana Dobsicek Trefna et al
3rd European Conference on Antennas and Propagation, EuCAP 2009; Berlin; Germany; 23 March 2009 through 27 March 2009, p. 1873-1876
Paper in proceedings
2009

Fisher Information Analysis in Microwave Tomography

S. Nordebo, Andreas Fhager, Mats Gustafsson et al
3rd IEEE International Workshop on Computational Advances in Multi-Sensor Adaptive Processing, CAMSAP 2009; Aruba; Netherlands; 13 December 2009 through 16 December 2009, p. 217-220
Paper in proceedings
2009

Accuracy evaluation of time domain measurement systems for microwave tomography

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
IEEE MTT-S International Microwave Symposium Digest, p. 1441-1444
Paper in proceedings
2008

On the use of a priori data in microwave tomography

Andreas Fhager, Chien-Chih Chen, Mikael Persson
URSI General Assembly, Chicago, USA, August 7-16, 2008
Paper in proceedings
2008

Computational methods for modeling of complex sources

Markus Johansson, Lovisa Nord, Rudolf Kopecky et al
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering. Vol. 27 (1)
Journal article
2008

A Systematic Approach to Robust Preconditioning for Gradient Based Inverse Scattering Algorithms

S. Nordebo, Andreas Fhager, Mats Gustafsson et al
Inverse Problems. Vol. 24 (2), p. 025027-
Journal article
2008

On the use of global reconstruction methods for exploiting a priori data in microwave tomography image reconstruction

Andreas Fhager, Chien-Chih Chen, Alexey Voronov et al
Proceedings of RVK08/MMWP08, June 9-13 2008, Växjö, Sweden, p. 183-187
Conference contribution
2008

Measured Antenna Response of a Proposed Microwave Tomography System Using an Efficient 3-D FDTD Model

Shantanu Padhi, Andreas Fhager, Mikael Persson et al
IEEE Antennas and Wireless Propagation Letters. Vol. 7, p. 689-692
Journal article
2008

Time domain system for microwave tomography

Xuezhi Zeng, Andreas Fhager, Peter Linner et al
Medicinteknikdagarna 2008
Conference contribution
2008

Feasibility study of a gradient redirecting algorithm combined with step length estimation for including a priori data in the image reconstruction in microwave tomography

Andreas Fhager, Daniel Bernhardsson, Mikael Persson
URSI General Assembly, Chicago, USA, August 7-16, 2008
Paper in proceedings
2007

Near Field Modeling with Optimization Algorithms

Markus Johansson, Andreas Fhager, Mikael Persson
The Bioelectromagnetics Society 29th Annual Meeting, Jun 10-15, 2007, Kanazawa, Japan
Paper in proceedings
2007

A Fisher Information Based Gradient Scaling for Microwave Tomography

Andreas Fhager, Mats Gustafsson, S. Nordebo et al
Progress In Electromagnetics Research Symposium, 27-30 Aug, 2007, Prague, Czech Republic
Conference contribution
2007

Optimization Algorithms for Modeling of Electromagnetic Sources

Markus Johansson, Andreas Fhager, Mikael Persson
ACES 2007, March 19-23, 2007, Verona, Italy
Paper in proceedings
2007

A statistical approach to gradient scaling microwave tomography

Andreas Fhager, Mats Gustafsson, S. Nordebo et al
Proceedings of EMB 07, computational electromagnetis, methods and applications, Lund, Sweden, p. 153-160
Conference contribution
2007

Near Field Modeling with Huygens Principle

Markus Johansson, Andreas Fhager, Mikael Persson
EMB 07, Oct 18-19, 2007, Lund, Sweden
Conference contribution
2007

A Statistically Based Preconditioner for Two-Dimensional Microwave Tomography

Andreas Fhager, Mats Gustafsson, S. Nordebo et al
Proceedings of The Second International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP2007), Dec. 12-14 2007, St. Thomas, U.S. Virgin Islands, p. 173-176
Conference contribution
2007

Methods for Dielectric Reconstruction in Microwave Tomography

Andreas Fhager, Alexey Voronov, Chien-Chih Chen et al
The Second European Conference on Antennas and Propagation (EuCAP 2007), Nov. 11-16, Edinburgh, UK, p. Tu1.7.5-
Paper in proceedings
2007

Using a priori data to improve the reconstruction of small objects in microwave tomography

Andreas Fhager, Mikael Persson
IEEE Trans. Microwave Theory Techniques. Vol. 55 (11), p. 2454-2462
Journal article
2006

Modeling of complex sources for dosimetry applications

Markus Johansson, Lovisa Nord, Andreas Fhager et al
Medicinteknikdagarna 2006, Uppsala, Sweden
Conference poster
2006

Microwave tomography

Andreas Fhager
Doctoral thesis
2006

Reconstruction Quality and Spectral Content of an Electromagnetic Time-Domain Inversion Algorithm

Andreas Fhager, Parham Hashemzadeh, Mikael Persson
IEEE Transactions on Biomedical Engineering. Vol. 53 (8), p. 1594-1604
Journal article
2006

Time-domain Image Reconstruction in an Experimental Prototype for Breast Cancer Detection

Andreas Fhager, Parham Hashemzadeh, Mikael Persson
Progress In Electromagnetics Research Symposium, 26–29 March, 2006, Cambridge, USA
Conference contribution
2006

Microwave Tomography

Andreas Fhager
SNIC Interaction 2006, November 20-21, Lund, Sweden
Conference contribution
2006

Experimental Investigation of an Optimization Approach to Microwave Tomography

Parham Hashemzadeh, Andreas Fhager, Mikael Persson
Electromagnetic Biology and Medicine. Vol. 25 (1), p. 1-12
Journal article
2006

Near Field Modeling of Complex Sources

Lovisa Nord, Markus Johansson, Andreas Fhager et al
Bioelectromagnetics Society (BEMS) 28th Annual Meeting, June 11-15, 2006, Cancun, Mexico
Conference poster
2006

Potential benefits of using a priori data in reconstruction algorithms for microwave tomography

Andreas Fhager, Parham Hashemzadeh, Mikael Persson
Medicinteknikdagarna, 3-4 October 2006, Uppsala, Sweden
Conference poster
2005

Comparison of two image reconstruction algorithms for microwave tomography

Andreas Fhager, Mikael Persson
Radio Science. Vol. 20, p. RS3017-
Journal article
2005

Dual Time Reversal Cavities

Hana Trefna, Andreas Fhager, Mikael Persson
Conference on Mathematical Modelling of Wave Phenomena 2005
Conference contribution
2005

Experimental Results of an Optimization Approach to Two-Dimensional Time Domain electromagnetic inversion Problem with Application to Microwave Breast Tomography

Parham Hashemzadeh, Andreas Fhager, Lars Bååth et al
Proceedings of the IASTED International Conference on Biomedical Engineering, Innsbruck, Austria, 2005
Conference contribution
2005

Imaging of metal prosteses in the human body experiments and simulations

Parham Hashemzadeh, Andreas Fhager, Rudolf Kopecky et al
RVK 05, Linköping, Sweden, 2005
Conference contribution
2005

Microwave Imaging for Mammography using an Iterative Time-Domain Reconstruction Algorithm; Initial Experiments

Andreas Fhager, Parham Hashemzadeh, Lars Bååth et al
Proceedings of the 16th International Zurich Symposium on Electromagnetic Compatibility; Topical Meetings, p. 65--70-
Conference contribution
2004

Towards a mammographic microwave imaging experiment

Andreas Fhager, Parham Hashemzadeh, Mikael Persson
Proceedings of EMB 04 computational electromagnetics, methods and applications, Göteborg, p. 132-136
Conference contribution

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Showing 1 research projects

2005–

Microwave Hyperthermia for cancer treatment

Hana Dobsicek Trefna Biomedical Electromagnetics
Andreas Fhager Biomedical Electromagnetics
Massimiliano Zanoli Biomedical Electromagnetics
Morteza Ghaderi Aram Biomedical Electromagnetics
Mikael Persson Signalbehandling och medicinsk teknik
Swedish Childhood Cancer Fund

There might be more projects where Andreas Fhager participates, but you have to be logged in as a Chalmers employee to see them.