Mehmet Çayören, Ph.D.
Professor of Electronics and Communication Engineering
Istanbul Technical University
Ayazaga Campus, Electrical and Electronics Faculty,
34469 Maslak / Istanbul
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Research
Publications
Journal Papers
  1. I. Dilman, M. Çayören, and M. N. Akinci, Maximum Likelihood Estimation of Debye Relaxation Parameters with Open-Ended Coaxial Probes, IEEE Trans. on Instrumentation & Measurement, 2023. [doi]
  2. I. Dilman, E. Bilgin, M. N. Akinci, S. Cosgun, S. Dogu, M. Çayören, and I. Akduman, Monitoring of Intracerebral Hemorrhage with a Linear Microwave Imaging Algorithm, Medical & Biological Engineering & Computing, 2023. [doi]
  3. A. Janjic, I. Akduman, M. Çayören, O. Bugdayci, and M. E. Aribal, Microwave Breast Lesion Classification – Results from Clinical Investigation of the SAFE Microwave Breast Cancer System, Academic Radiology, 2022. [doi]
  4. A. Janjic, I. Akduman, M. Çayören, O. Bugdayci, and M. E. Aribal Gradient-Boosting Algorithm for Microwave Breast Lesion Classification — SAFE Clinical Investigation Diagnostics, 2022. [doi]
  5. S. Joof, C. Aydinalp, I. Dilman, M. N. Akinci, T. Yilmaz, M. Çayören, and I. Akduman, A Guideline for Complex Permittivity Retrieval of Tissue-mimicking Phantoms from Open-Ended Coaxial Probe Response with Deep Learning, IEEE Trans. on Microwave Theory and Techniques, 2022. [doi]
  6. E. Bilgin, M. Çayören, S. Joof, G. Cansiz, T. Yilmaz, and I. Akduman, Single Slice Microwave Imaging of Breast Cancer by Reverse Time Migration, Medical Physics, 2022. [doi]
  7. İ. Dilman, M. N. Akıncı, T. Yılmaz, M. Çayören and İ. Akduman, A Method to Measure Complex Dielectric Permittivity with Open-Ended Coaxial Probes, IEEE Trans. on Instrumentation and Measurement, 2022. [doi]
  8. S. Coşğun, E. Bilgin and M. Çayören, Quasi-Newton Based Inversion Method for Determining Complex Dielectric Permittivity of 3D Inhomogeneous Objects, IEEE Trans. on Antennas and Propagation, 2022. [doi]
  9. H. Alidoustaghdam, and M. Çayören, Flow Monitoring by Microwave Imaging Inside a Cuboid Cavity: Theory and Numerical Feasibility Analysis, Flow Measurement and Instrumentation, Vol 82, 2021. [doi]
  10. A. Janjic, M. Çayören, I. Akduman, T. Yilmaz, E. Onemli, O. Bugdayci, and M. E. Aribal, SAFE: A Novel Microwave Imaging System Design for Breast Cancer Screening and Early Detection — Clinical Evaluation, Diagnostics, Vol 11, No. 3, 2021. [doi]
  11. S. Cosgun, E. Bilgin, and M. Çayören, Microwave Imaging of Breast Cancer with Factorization Method: SPIONs as Contrast Agent, Medical Physics, 2020. [doi]
  12. S. Doğu, M. N. Akıncı, M. Çayören, and I. Akduman, Truncated Singular Value Decomposition for Through-The-Wall Microwave Imaging Application, IET Microwaves, Antennas & Propagation, 2020. [doi]
  13. T. Yilmaz, B. Saçlı, G. Cansız, S. Joof, C. Aydınalp, M. Çayören, I. Akduman and B. Önal, Microwave Dielectric Spectroscopy of Renal Calculi: A Large Scale Study on Dielectric Properties from 500 MHz to 18 GHz, IEEE Trans. on Dielectrics and Electrical Insulation, Vol. 26, No. 5, 2019. [doi]
  14. B. Saçlı, C. Aydınalp, G. Cansız, S. Joof, T. Yilmaz, M. Çayören, B. Önal, and I. Akduman, Microwave Dielectric Property Based Classification of Renal Calculi: Application of kNN Algorithm, Computers in Biology and Medicine, Vol. 112, 103366, 2019. [doi]
  15. M. N. Akıncı, M. Çayören, and E. Göse, Qualitative Microwave Imaging of Breast Cancer with Contrast Agents, Physics in Medicine and Biology, 2019. [doi]
  16. I. Kurtoglu, M. Çayören, and I. H. Çavdar, Microwave Imaging of Electrical Wires with MUSIC Algorithm, IEEE Geoscience and Remote Sensing Letters, Vol. 16, No. 5, 2019. [doi]
  17. M. N. Akıncı, M. Çayören, I. Akduman and L. Crocco, A Simple Approach For Estimating the Effective Electric Parameters of Two-Dimensional Targets, IEEE Trans. on Antennas and Propagation, Vol. 66, No. 4, 2018. [doi]
  18. M. Yucel, O. Akin, M. Çayören, I. Akduman, A. Palaniappan, B. Liedberg, G. Hizal, F. Inci, and U. H. Yildiz, Hand-Held Volatilome Analyzer Based on Elastically Deformable Nanofibers, Analytical Chemistry, Vol. 90, No 8, 2018. [doi]
  19. M. Abbak, M. N. Akıncı, M. Çayören, and I. Akduman, Experimental Microwave Imaging with a Novel Corrugated Vivaldi Antenna, IEEE Trans. on Antennas and Propagation, Vol. 65, No. 6, 2017. [doi]
  20. M. N. Akıncı, M. Çayören, and I. Akduman, Near-Field Orthogonality Sampling Method for Microwave Imaging: Theory and Experimental Verification, IEEE Trans. on Microwave Theory and Techniques, Vol. 64 , No. 8, 2016. [doi]
  21. T. Yılmaz, A. Kılıç, M. Erdogan, M. Çayören, D. Tunaoglu, I. Kurtoglu, Y. Yaslan, H. Çayören, A. E. Arikan, S. Teksoz, G. Cancan, N. Kepil, S. Erdamar, M. Ozcan, I. Akduman, and T. Kalkan, Machine Learning Aided Diagnosis of Hepatic Malignancies Through In-vivo Dielectric Measurements with Microwaves, Physics in Medicine and Biology, Vol. 61, No. 13, 2016. [doi]
  22. M. N. Akıncı, T. Çaglayan, S. Özgür, U. Alkaşı, H. Ahmadzay, M. Abbak, M. Çayören, and İ. Akduman, Qualitative Microwave Imaging with Scattering Parameters Measurements, IEEE Trans. on Microwave Theory and Techniques, Vol. 63 , No. 9, 2015. [doi]
  23. M. N. Akıncı, T. Çaglayan, S. Özgür, U. Alkaşı, M. Abbak, and M. Çayören, Experimental Assessment of Linear Sampling and Factorization Methods for Microwave Imaging of Concealed Targets, International Journal of Antennas and Propagation, 504059, 2015. [doi]
  24. M. N. Akıncı and M. Çayören, Microwave Subsurface Imaging of Buried Objects Under a Rough Air-Soil Interface, Remote Sensing Letters, Vol. 5, No. 8, 2014. [doi]
  25. O. Güren, M. Çayören, L. T. Ergene, and İ. Akduman, Surface Impedance Based Microwave Imaging Method For Breast Cancer Screening: Contrast-Enhanced Scenario, Physics in Medicine and Biology, Vol. 59, No. 19, 2014. [doi]
  26. M. Abbak, M. Çayören, and İ. Akduman, Microwave Breast Phantom Measurements with a Cavity-Backed Vivaldi Antenna, IET Microwaves, Antennas & Propagation, Vol. 8, No. 13, 2014. [doi]
  27. B. Aslanyürek, H. Şahintürk, and M. Çayören, Microwave Imaging of a Slightly Varying 2D Conducting Object Through Generalized Impedance Boundary Conditions, IEEE Geoscience and Remote Sensing Letters, Vol. 11, No. 11, 2014. [doi]
  28. A. Yapar, E. Kılıç, M. Çayören, and F. Akleman, A Simple Data Transformation Technique for Inverse Scattering Applications in a Partially Filled Waveguide, IEEE Trans. on Instrumentation and Measurement, Vol. 60, No. 11, 2011. [doi]
  29. M. Çayören, İ. Akduman, A. Yapar, and L. Crocco, Surface Impedance Modeling of PEC Targets: Application to Shape Reconstruction, Inverse Problems Vol. 25, No. 11, 2009. [doi]
  30. E. Kılıç, M. Çayören, A. Yapar and İ. Akduman, Reconstruction of Perfectly Conducting Rough Surfaces by the Use of Inhomogeneous Surface Impedance Modeling, Inverse Problems and Imaging, Vol. 3, No. 2, 2009. [doi]
  31. F. Cakoni, M. Çayören, and D. Colton, Transmission Eigenvalues and the Nondestructive Testing of Dielectrics, Inverse Problems, Vol. 24, No. 6, 2008. [doi]
  32. M. Çayören, İ. Akduman, A. Yapar, and L. Crocco, Shape Reconstruction of Perfectly Conducting Targets from Single-Frequency Multiview Data, IEEE Geoscience and Remote Sensing Letters Vol. 5, No. 3, 2008. [doi]
  33. M. Çayören, İ. Akduman, A. Yapar, and L. Crocco, A New Algorithm for the Shape Reconstruction of Perfectly Conducting Objects, Inverse Problems Vol. 23, No. 3, 1087-1100, 2007. [doi]
Book Chapters
  1. A. Janjic, I. Akduman, M. Çayören, O. Bugdayci, and M. E. Aribal, SAFE — Microwave Imaging Device for Breast Cancer Early Screening and Diagnostics, in Electromagnetic Imaging for a Novel Generation of Medical Devices: Fundamental Issues, Methodological Challenges and Practical Implementation, Springer, 2023. [doi]
  2. M. Çayören and I. Akduman, Continuous Monitoring of Hemorrhagic Strokes via Differential Microwave Imaging, in Emerging Electromagnetic Technologies for Brain Diseases Diagnostic, Monitoring and Therapy, Springer, 2018. [doi]
Patents
  1. G. A. Canlı, I. Akduman, I. Kurtoglu, M. Çayören, P. Y Gündogdu, I. Özkol, H. Ercan, M. T. Yamyürek, Autonomous unmanned aerial vehicle, US11535375B2, 2022.
  2. G. A. Canlı, I. Akduman, I. Kurtoglu, M. Çayören, H. Ercan, H. A. Yumlu, Internal combustion engine with a rotating piston and uni-directional rolling bear, US10890110B1, 2021.
  3. G. A. Canli, I. Akduman, M. Çayören, A. Yapar, H. Sahinturk, Breast cancer imaging device through microwave surface impedance, US10258251B2, 2019 (Assignee: Mitos Medical AS)
Conference Proceedings and Abstracts
  1. I. Dilman, S. Joof, C. Aydinalp, M. N. Akinci, M. Çayören, Effects of Calibration Process on Complex Dielectric Permittivity Measurements with Open-Ended Coaxial Probes 2022 Microwave Mediterranean Symposium (MMS), Pizzo Calabro, Italy, 2022. [doi]
  2. E Razzicchia, A Janjic, N Ghavami, I Akduman, M Çayören, P Kosmas, Metasurface-Enhanced Antenna for Microwave Breast Imaging 16th European Conference on Antennas and Propagation (EuCAP), Madrid, Spain, 2022. [doi]
  3. I. Dilman, M. N. Akinci, M. Çayören, Complex Dielectric Permittivity Measurements Using a Rational Functional Method with Arbitrary Open-Ended Coaxial Probes 29th Telecommunications Forum (TELFOR), Belgrade, Serbia, 2021. [doi]
  4. A. Janjic, M. Çayören, I. Akduman, Comparison of measurement scenarios suitable for Microwave chemotherapy treatment monitoring International Conference on Electromagnetics in Advanced Applications (ICEAA), Honolulu, HI, USA, 2021. [doi]
  5. S. Joof, S. Doğu, E. Bilgin, M Çayören, An Antipodal Vivaldi Antenna Design for Torso Imaging in a Coupling Medium IEEE Asia-Pacific Microwave Conference (APMC), Dusseldorf, Germany, 2021. [doi]
  6. H. Alidoustaghdam, M. N. Akinci, M. Çayören, S. Dogu Monitoring concrete oil-wells with qualitative microwave imaging IEEE Microwave Theory and Techniques in Wireless Communications (MTTW), Riga, Latvia, 2020. [doi]
  7. H. Alidoustaghdam, S. Dogu, M. N. Akıncı, M. Çayören, Through-the-wall Microwave Imaging with Minimum Antennas and an Auxiliary Metallic Bar IEEE Asia-Pacific Microwave Conference (APMC), Hong Kong, 2020. [doi]
  8. E. Bilgin, S. Doğu, S. Cosgun, M. Çayören, A Modified Newton Method Formulation for Microwave Imaging IEEE Asia-Pacific Microwave Conference (APMC), Hong Kong, 2020. [doi]
  9. A. Janjic, T. Yilmaz, M. Çayören, I. Akduman, L. Crocco, Monitoring tumor response during chemotherapy treatment with Microwave Imaging 14th European Conference on Antennas and Propagation (EuCAP), Copengahen, Denmark, 2020. [doi]
  10. H. Alidoustaghdam, M Çayören, Non-Destructive Testing of Concrete Tunnels With Qualitative Microwave Imaging 13th German Microwave Conference (GeMiC), Cottbus, Germany, 2020
  11. T. Yilmaz, M. Çayören, M. Acar, I. Akduman, Wideband Antennas for Microwave Brain Stroke Imaging IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston, MA, USA, 2018. [doi]
  12. I. Akduman, M. Çayören, and H. Sahinturk, A New Multi Static System for Microwave Breast Cancer Imaging, 18th Mediterranean Microwave Symposium (MMS2018), Istanbul, Turkey, 2018.
  13. S. Joof, G. Cansız, S. Özgür, T. Yılmaz, M. Çayören, and I. Akduman, Tissue Mimicking Phantoms for Microwave Brain Stroke Imaging, 18th Mediterranean Microwave Symposium (MMS2018), Istanbul, Turkey, 2018.
  14. İ. Dilman, E. Bilgin, S. Cosgun, M. Çayören, and I. Akduman, A Compressive Sensing Application on Microwave Diffraction Tomography for the Microwave Imaging of a Stroke Affected Human Brain, IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO), Reykjavik, Iceland, 2018. [doi]
  15. U. Yıldırım, I. Dilman, E. Bilgin, S. Dogu, M. Çayören, and I. Akduman, Continuous Monitoring of Hemorrhagic Brain Strokes via Contrast Source Inversion, 11th European Conference on Antennas and Propagation (EUCAP), Paris, France, 2017. [doi]
  16. S. Dogu, I. Dilman, M. Çayören, and I. Akduman, Imaging of Pulmonary Edema with Microwaves - Preliminary Investigation, 10th International Conference on Electrical and Electronics Engineering (ELECO), Bursa, Turkey, 2017.
  17. E. G. Önal, A. Keleşoğlu, B. Saçli, G. Cansiz, S. Joof, C. Aydinalp, and M. Çayören, Kidney Stone Classification with Electromagnetic Properties: Preliminary Results, 25th Telecommunications Forum TELFOR, Belgrade, Serbia, 2017.
  18. I. Dilman, M. N. Akinci, M. Çayören, and I. Akduman, Differential Microwave Imaging of the Stroke-affected Brain via Diffraction Tomography, 25th Telecommunications Forum TELFOR, Belgrade, Serbia, 2017.
  19. I. Dilman, U. Yıldırım, S. Cosgun, S. Dogu, M. Çayören, and I. Akduman, Feasibility of Brain Stroke Imaging with Microwaves, IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE), Langkawi, Malaysia, 2016. [doi]
  20. M. Özcan, M. Çayören, A. E. Arıkan, M. A. Kılıç, S. Teksöz, S. Ferahman, İ. Akduman, and T. Kalkan New Imaging Technique for Breast Carcinoma; Cerrahpaşa Experience. Preliminary Report, 8th Annual Meeting of Chinese College of Surgeons and 19th Annual Meeting of The European Society of Surgery, Beijing, China, 2015 (best abstract award).
  21. U. Alkaşı, T. Çaglayan, H. Ahmadzay, and M. Çayören Multiband Monopole Antenna Design for Microwave Imaging Applications, IEEE 23. Signal Processing and Communication Applications, Malatya, Turkey, 2015. [doi]
  22. M. N. Akıncı and M. Çayören, Explicit Discretization Schemes for Linear Sampling and Factorization Methods, Progress In Electromagnetics Research, Prague, Czech Republic, 2015.
  23. O. Güren, M. N. Akıncı, and M. Çayören, On The Accuracy of Method of Moments For Solution of Full 3D Vectorial Electromagnetic Forward Scattering Problem, Progress In Electromagnetics Research, Prague, Czech Republic, 2015.
  24. M. N. Akıncı and M. Çayören, Schur Complement Based Method of Moments Solution for 2D Scattering Problem from Mixed Dielectric-Conductor Targets, Progress In Electromagnetics Research, Prague, Czech Republic, 2015.
  25. M. N. Akinci, M. Abbak, S. Özgür, M. Çayören, and İ. Akduman, Experimental Comparison of Qualitative Inverse Scattering Methods, IEEE Conference on Antenna Measurements & Applications, Antibes Juan-les-Pins, France, 2014. [doi]
  26. S. Avcı, O. Güren, M. Çayören, and İ. Akduman, Microwave Detection of Specific Dielectric Targets Behind Concrete Walls, Progress In Electromagnetic Research Stockholm, Sweden, 2013.
  27. M. Erdoğan, M. Çayören, M. Abbak, and İ. Akduman Explicit Regularization Method For Reconstructing Permittivity Distributions, Progress In Electromagnetic Research, Stockholm, Sweden, 2013.
  28. C. Suer, M. Çayören, İ. Akduman, and G. A. Canlı, Non-destructive Testing of Composite Materials Through Linear Sampling Method, Days on Diffraction, St.Petersburg, Russia, 2012.
  29. F. Shehu, M. Çayören, A. Yapar, and İ. Akduman, Fast Evaluation of Electric Field Green’s Functions and Their Volumetric Integrals for Near Field Imaging Applications, International Conference on Electromagnetic Near-field (NF) Characterization and Imaging, Rouen, France, 2011.
  30. O. Güren, E. Tetik, M. Çayören, L. T. Ergene, and İ. Akduman, A 3D Microwave Surface Impedance Approach for the Detection of Breast Cancer, International Symposium on Microwave and Optical Technology, Prague, Czech Rebuplic, 2011.
  31. G. S. Ünal, M. Çayören, and E. Tetik, Reconstruction of Surface Impedance of an Object Located over a Planar PEC Surface, Journal of Physics: Conference Series. Vol. 135. No. 1, 2008. [doi]
  32. M. Çayören, Hülya Şahintürk, and L. Crocco, Improving a Shape Reconstruction Method by Means of Frequency and Angle Diversity, Progress In Electromagnetic Research, Hangzhou, China, 2008.
  33. İ. Akduman, M. Çayören, and A. Yapar, A Method for the Shape Reconstruction of a Perfectly Conducting Object Buried in a Half-space, Progress In Electromagnetic Research, Hangzhou, China, 2008.
  34. E. Kılıç, M. Çayören, and G. S. Ünal, Determination of Earth Surface Roughness through Surface Impedance Modeling, The 10th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment, Florence, Italy, 2008.
  35. M. Çayören, Ö. Özdemir, and İ. Akduman, The Use of Inhomogeneous Surface Impedance Modeling in the Shape Reconstruction, Progress In Electromagnetic Research, Prague, Czech Republic, 2007.
  36. B. Aslanyürek, M. Çayören, and H. Şahintürk, A Hybrid Method for the Scattering of Electromagnetic Waves from Coatings of Variable Thickness, Progress In Electromagnetic Research, Prague, Czech Republic, 2007.
  37. İ. Akduman, M. Çayören, A. Yapar, and L. Crocco, Resolution Improvement of Analytical Continuation Method by Multiview Data, Waves, Reading – Berkshire, UK, 2007.
  38. M. Çayören, İ. Akduman, A. Yapar, and L. Crocco, A New Algorithm for the Shape Reconstruction of Perfectly Conducting Objects, Progress In Electromagnetic Research, Beijing, China, 2007.
  39. M. Çayören and B. Aslanyürek, A New Approach for the Scattering of Electromagnetic Waves from Dielectric Bodies of Arbitrary Shape, Progress In Electromagnetic Research, Beijing, China, 2007.
  40. L. Crocco, İ. Akduman, M. Çayören, and A. Yapar, A New Method for Shape Reconstruction of Perfectly Conducting Targets, Applied Computational Electromagnetics Society, Verona, Italy, 2007.