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Biography
George K. Matsopoulos

Dr. George K. Matsopoulos
Microwave and Fiber Optics Laboratory
National Technical University of Athens, Greece
Assistant Professor


Email: gmatso@esd.ece.ntua.gr


Qualifications

1990-1993    Ph.D., Bioengineering Unit & Signal Processing Division, Τhe University of Strathclyde, UK
1989-1990    Μ.Sc., Bioengineering Unit, The University of Strathclyde, UK

1983-1989    B.Sc., Department of Electrical & Computer Engineering, National Technical University of Athens, Greece


Publications (selected)
  1. Y.G. Larios, G.K. Matsopoulos, D.T. Askounis, K.S. Nikita, “Reengineering the biomedical-equipment procurement process through an integrated Management Information System,” Technology and Health Care: Official Journal of the European Society for Engineering and Medicine, vol. 8, no. 5, pp. 299-313, October 2000.
  2. V. Kouloulias, C. Antypas, C. Dardoufas, J. Kouvaris, P. Sandilos, S. Seferlis, G. Matsopoulos, N. Uzunoglu, P Asvestas, L. Vlahos, “Evaluation of Recalcification of Bone Metastases after Radiotherapy and I.V. Infusion of Disodium Pamidronate, using Image Processing Techniques: Comparative Assessment using Measurements of the Optical Density of Plain Radiography”, Physica Medica, vol. XVII, no. 1, pp. 17-24, January-March 2001.
  3. C. Papageorgiou, I. Liappas, P. Asvestas, C. Vasios, G.K. Matsopoulos, C. Nikolaou, K.S. Nikita, N. Uzunoglu, A. Rabavilas, “Abnormal P600 in Heroin Addicts with Prolonged Abstinence Elicited during a Working Memory Test,” Neuroreport, vol. 12, no. 8, pp. 1773-1778, June 2001.
  4. K.K. Delibasis, G.K. Matsopoulos, N. Mouravliansky, K.S. Nikita, “A Novel and Efficient Implementation of the Marching Cubes Algorithm,” Computerized Medical Imaging and Graphics, vol. 25, no. 4, pp. 343-352, July 2001.
  5. G. Loudos, K. Nikita, N. Uzunoglu, N. Mouravliansky, G. Matsopoulos, “Performance of Iterative Reconstruction Algorithms for Small Organs High Resolution SPECT Imaging using a PSPMT based Detector”, European Journal of Nuclear Medicine, vol. 28, no. 8, p. OS38, August 2001.
  6. C. Papageorgiou, V.P. Kontaxakis, B.J. Havaki-Kontaxaki, S. Stamouli, C. Vasios, P. Asvestas, G.K. Matsopoulos, E. Kontopantelis, A. Rabavilas, N. Uzunoglou, G.N. Christodoulou, “Impaired P600 in Neuroleptic Naïve Patients with First-Episode Schizophrenia”, Neuroreport, vol. 12, no. 13, pp. 2801-2806, September 2001.
  7. G.C. Kagadis, K.K. Delibasis, G.K. Matsopoulos, N.A. Mouravliansky, P.A. Asvestas, G.C. Nikiforidis, “A Comparative Study of Surface- and Volume-based Techniques for the Automatic Registration between CT and SPECT Brain Images”, Medical Physics, vol. 29, no. 2, pp.201-213, February 2002.
  8. V.E. Kouloulias, C.E. Dardoufas, J.R. Kouvaris, C.E. Antypas, P.H. Sandilos, G.K. Matsopoulos, L.J. Vlahos, “Use of Image Processing Techniques to Assess Effect of Disodium Pamidronate in Conjunction with Radiotherapy in Patients with Bone Metastases”, Acta Oncologica, vol. 41, no. 2, pp. 169-174, April 2002.
  9. J. Kouvaris, V. Kouloulias, J. Kokakis, G. Matsopoulos, M. Balafouta, A. Miliadou, L. Vlahos, “Cytoprotective Effect of Amifostine in Radiation-induced Acute Mucosistis: A Retrospective Analysis”, Onkologie, vol. 25, pp. 364-369, August 2002.
  10. C. Vasios, C. Papageorgiou, V.P. Kontaxakis, B. Havaki-Kontaxaki, G.K. Matsopoulos, N. Uzunoglu, G.N. Christodoulou, “Development of a Decision Support System for the Classification of Patients with First-Eposode Schizophrenia”, Journal of Psychosomatic Research, vol. 52, issue 6, pp. 386–387, 2002.
  11. C. Vasios, C. Papageorgiou, G.K. Matsopoulos, K.S. Nikita, N. Uzunoglu, “A Decision Support System of Evoked Potentials for the Classification of Patients with First-Episode Schizophrenia,” The German Journal of Psychiatry, vol. 5, pp. 78-84, 2002.
  12. P. Asvestas, S. Golemati, G.K. Matsopoulos, K.S. Nikita, A.N. Nicolaides, “Fractal Dimension Estimation of Carotid Atherosclerotic Plaques from B-mode Ultrasound: A Pilot Study,” Ultrasound in Medicine and Biology, vol. 28, no. 9, pp. 1129-1136, September 2002.
  13. J. Kouvaris, V. Kouloulias, J. Kokakis, G. Matsopoulos, M. Balafouta, L. Vlahos, “The Cytoprotective Effect of Amifostine in Acute Radiation Dermatitis: A Retrospective Analysis”, European Journal of Dermatology, vol. 12, no. 5, pp. 458-462, September-October, 2002.
  14. J. Kouvaris, V. Kouloulias, E. Malas, C. Antypas, J. Kokakis, S. Michopoulos, G. Matsopoulos, L. Vlahos, “Amifostine as Radioprotective Agent for the Rectal Mucosa during Irradiation of Pelvic Tumors A Phase II Randomized Study Using Various Toxicity Scales and Rectosigmoidoscopy”, Strahlenther Onkol, vol. 179, no. 3, pp. 167-174, March 2003.
  15. C. Papageorgiou, P. Oulis, C. Vasios, G.K. Matsopoulos, N. Uzunoglu, A. Rabavilas, G.N. Christodoulou, “Do Atypical Antipsychotics Fail to Exert Cognitive Sparing Effects?”, Neuroreport, vol. 14, no. 3, pp. 505-509, March 2003.
  16. V.E. Kouloulias, J.R. Kouvaris, C. Antypas, Κ. Μystakidou, G. Matsopoulos, N. Uzunoglu, A. Moulopoulou, L. Vlahos, “An Intra-patient Dose-Escalation Study of Disodium Pamidronate plus Radiotherapy versus Radiotherapy alone for the Treatment of Osteolytic Metastases. Monitoring of Recalcificaton using Image Processing Techniques”, Strahlenther Onkol, vol. 179, no. 7, pp. 471-479, July 2003.
  17. V. Kouloulias, G. Matsopoulos, J. Kouvaris, C. Darfoufas, A. Bottomley, M. Varela, N. Uzunoglu, C. Antypas, A. Metafa, A. Moulopoulou, P. Sandilos, L. Vlahos, “Radiotheraphy in Conjunction with Intravenous Infusion of 180 MG of Disodium Pamidronate in Management of Osteolytic Metastases from Breast Cancer: Clinical Evaluation, Biomechanical Markers, Quality of Life, and Monitoring of Recalcification Using Assesments of Gray-Level Histogram in Plain Radiographs”, Int. J. Radiation Oncology Biol. Phys., vol. 57, no. 1, pp. 143-157, September 2003.
  18. M. Gletsos, S.G. Mougiakakou, G. Matsopoulos, K.S. Nikita, A. Nikita, D. Kelekis, “A Computer-Aided Diagnostic System to Characterize CT Focal Liver Lesions: Design and Optimization of a Neural Network Classifier,” IEEE Transactions on Information Technology in Biomedicine, vol. 7, no. 3, pp. 153-162, September 2003.
  19. G.K. Matsopoulos, K.K. Delibasis, N.A. Mouravliansky, P.A. Asvestas, K.S. Nikita, V.E. Kouloulias, N.K. Uzunoglu, “CT-MRI Automatic Surface-based Registration Schemes Combining Global and Local Optimization Techniques”, Technology and Health Care: Official Journal of the European Society for Engineering and Medicine, vol. 11, no. 4, pp. 219-232, October 2003.
  20. C.E. Vasios, G.K. Matsopoulos, K.S. Nikita, N. Uzunoglu, “Classification of Event-Related Potentials using Multivariate Autoregressive Modeling Combined with Simulated Annealing”, Journal of Automatic Control, vol. 13, no. 1, pp. 7-11, 2003.
  21. V.E. Kouloulias, G. Matsopoulos, J.R. Kouvaris, C. Antypas, N.C. Uzunoglu, M.N. Varela, A. Metafa, P. Sandilos, L.J. Vlahos, “Limitations of Quantitative Bone-Mass Measurements Using Assessments of First-Order Statistics of Grey-Level Histograms in Plain Radiographs”, Acta Radiologica, vol. 45, no. 2, pp. 197-203, April 2004.
  22. K. Mystakidou, V. Kouloulias, E. Tsilika, E. Boviatsis, J. Kouvaris, G. Matsopoulos, L. Vlachos, “Is Early Recognition of Radiological Silent Brain Metastasis from Breast Cancer Beneficial? A Retrospective Study of 22 Cases”, Breast Cancer, vol. 11, issue 3, pp. 276-281, 2004.
  23. N. Mouravliansky, G.K. Matsopoulos, K. Delibasis, P. Asvestas, K.S. Nikita, “Combining a Morphological Interpolation Approach with a Surface Reconstruction Method for the 3-D Representation of Tomographic Data”, Journal of Visual Communication and Image Representation, vol. 15, issue 4, pp. 565-579, December 2004.
  24. V.E. Kouloulias, J.R. Kouvaris, G. Pissakas, J.D. Kokakis, C. Antypas, E. Mallas, G. Matsopoulos, S. Michopoulos, S.P. Vosdoganis; A. Kostakopoulos, and L.J. Vlahos, “A phase II randomized study of topical intrarectal administration of amifostine for the prevention of acute radiation-induced rectal toxicity”, Strahlenther Onkol, vol. 180, no. 9, pp. 557-562, September 2004.
  25. E.I. Zacharaki, G.K. Matsopoulos, P.A. Asvestas, K. Gröndahl, and H-G. Gröndahl, “A digital subtraction radiography scheme based on automatic multiresolution registration”, Dentomaxillofacial Radiology, vol. 33, pp. 1-14, December 2004.
  26. G.K. Matsopoulos, V. Kouloulias, P. Asvestas, N. Mouravliansky, K. Delibasis, D. Demetriades, “MITIS: A WWW-based Μedical System for Managing and Processing Gynecological-Obstetrical-Radiological Data”, Computer Methods and Programs in Biomedicine, vol. 76, issue 1, pp. 53-71, October 2004.
  27. G.K. Matsopoulos, P. Asvestas, V. Kouloulias, K. Delibasis, N. Uzunoglu, P. Karaiskos, P. Sandilos, “Registration of electronic portal images for patient set-up verification”, Physics in Medicine and Biology, vol. 49, pp. 3279-3289, July 2004.
  28. G.K. Matsopoulos, P.A. Asvestas, N.A. Mouravliansky, K.K. Delibasis, “Multimodal registration of retinal images using Self Organizing Maps”, IEEE Trans. Med. Imag. vol. 23, issue 12, pp. 1557-1563, December 2004.
  29. S.G. Mougiakakou, A. Tsouchlaraki, C.Cassios, K.S. Nikita, G.K. Matsopoulos, N.K. Uzunoglu, “SCAPEVIEWER: Preliminary results of a landscape perception classification system based on neural network technology”, Ecological Engineering, vol. 24, pp. 5-15, January 2005.
  30. G.K. Matsopoulos, N.A. Mouravliansky, P.A. Asvestas, K.K. Delibasis, and V. Kouloulias, “Thoracic Non-Rigid Registration Combining Self Organizing Maps and Radial Basis Functions”, Medical Image Analysis, vol. 9, issue 3, pp. 237-254, June 2005.
  31. V.E. Kouloulias, J.R. Kouvaris, G. Pissakas, E. Mallas, C. Antypas, J.D. Kokakis, G. Matsopoulos, S. Michopoulos, K. Mystakidou, and L.J. Vlahos, “Phase II multicenter randomized study of amifostine for the prevention of acute radiation rectal toxicity: topical intrarectal versus subcutaneous application”, Int. J. Radiation Oncology Biol. Phys., vol. 62, issue 2, pp. 486-493, June 2005.
  32. C.E. Vasios, G.K. Matsopoulos, E.M. Ventouras, C. Papageorgiou, V.P. Kontaxakis, K.S. Nikita, N. Uzunoglu, “Multivariate Autoregressive Modeling Combined with Simulated Annealing Optimization for Classifying Sources of Event Related Potentials”, International Journal of Bioelectromagnetism, vol. 7, no. 2, pp. 78-81, 2005.
  33. E. Karali, P. Asvestas, G.K. Matsopoulos, V. Karali, K.S. Nikita, “Automatic Retinal Image Registration”, WSEAS Transactions on Biology and Biomedicine, issue 1, vol.3, pp. 13-17, January 2006.
  34. C.E. Vasios and G.K. Matsopoulos, “An Artificial Neural Network approach to the classification of inferred intracranial signals”, WSEAS Transactions on Signal Processing, issue 5, vol. 2, pp. 642-656, 2006.
  35. G.K. Matsopoulos, N.A. Mouravliansky, P.A. Asvestas, K.K. Delibasis, K. Gröndahl, H.-G. Gröndahl, “Image registration based on lifting process: An application to digital subtraction radiography”, IEEE Transactions of Information Technology in BioMedicine, vol. 10, no. 4, pp. 763-774, 2006.
  36. P.A. Asvestas, K.K. Delibasis, N.A. Mouravliansky, G.K. Matsopoulos, “ESTERR-PRO: A set-up verification software system using electronic portal imaging”, International Journal of Biomedical Imaging - Special Issue on Multimodality Imaging and Hybrid Scanners, vol. 2007, Article ID 61523, 10 pp.1-10, 2007.
  37. E. Zoulias, H. Gakiopoulou, E. Patsouris, G. Matsopoulos, N. Uzunoglu, S. Tseleni-Balafouta, “Analysis of the cytological features of 9054 FNA of thyroid and correlation to the cytological and histological diagnoses”, VIRCHOWS ARCHIV, vol. 451, no.2, pp. 264-265, 2007.
  38. T. Economopoulos, G.K. Matsopoulos, P.A. Asvestas, K. Gröndahl, and H-G. Gröndahl, “Automatic Correspondence using the Enhanced Hexagonal Center-based Inner Search Algorithm for Point-based Dental Image Registration”, Dentomaxillofacial Radiology, vol. 37, pp. 185-204, 2008.
  39. G.K. Matsopoulos, P.A. Asvestas, K.K. Delibasis, N. Mouravliansky, and T.G. Zeyen, “Detection of glaucomatous change based on vessel shape analysis”, Computerized Medical Imaging and Graphics, vol. 32, no. 4, pp. 183-192, 2008.
  40. V.E. Markaki,P.A. Asvestas, and G.K. Matsopoulos, “An iterative point correspondence algorithm for automatic image registration: an application to dental subtraction radiography”, Computer Methods and Programs in Biomedicine, vol. 93, Issue 1, pp. 61-72, 2009.
  41. I.S. Karanasiou, C. Papageorgiou, E.I. Tsianaka, G.K. Matsopoulos, E.M. Ventouras, and N.K. Uzunoglu, “Behavioral and brain pattern differences between acting and observing in an auditory task”, Behavioral and Brain Functions, 5:5, pp. 1-11, 2009.
  42. C.E. Vasios, E.M. Ventouras, G.K. Matsopoulos, I. Karanasiou, P. Asvestas, N.K. Uzunoglu, H.T. Van Schie and E.R.A. de Bruijn, “Classification of Event-Related Potentials Associated with Response Errors in Actors and Observers Based on Autoregressive Modeling”, The Open Medical Informatics Journal, vol. 3, pp. 32-43, 2009.
  43. V.E. Markaki,P.A. Asvestas, and G.K. Matsopoulos, “Application of Kohonen Network for Automatic Point Correspondence in 2D Medical Images”, Computers in Biology and Medicine, vol. 39, issue (7), pp. 630-645, 2009.
  44. K.K. Delibasis,P.A. Asvestas, G.K. Matsopoulos, E. Zoulias, and S. Tseleni-Balafouta, “Computer-Aided Diagnosis of Thyroid Malignancy using an Artificial Immune System Classification Algorithm”, IEEE Transactions of Information Technology in BioMedicine, vol. 13, no. 5, pp. 680-686, 2009.
  45. T. Economopoulos, P.A. Asvestas, G.K. Matsopoulos, “Contrast Enhancement of Images Using Partitioned Iterated Function Systems”, Image and Vision Computing, vol. 28, no. 1, pp. 45-54, 2010.
  46. T. Economopoulos, P.A. Asvestas, G.K. Matsopoulos, “Automatic Correspondence on Medical Images: A Comparative Study of Four Methods for Allocating Corresponding Points”, Journal of Digital Imaging, vol. 23, no. 4, pp. 399-421, 2010.
  47. I.S Karanasiou, C. Papageorgiou, E.I Tsianaka, M. Kyprianou, G.K Matsopoulos, E.M Ventouras, N.K Uzunoglu, “Mismatch task conditions and error related ERPs”, Behavioral and Brain Functions, vol. 6, no. 14, pp. 1-8, 2010.
  48. T.L. Economopoulos, P.A. Asvestas, G.K. Matsopoulos, K. Gröndahl, and H-G. Gröndahl, “A contrast correction method for dental images based on histogram registration”, Dentomaxillofacial Radiology, vol. 39, no. 5, pp. 300-313, 2010.
  49. K.K. Delibasis,P.A. Asvestas, G.K. Matsopoulos, “Multimodal genetic algorithms-based algorithm for automatic point correspondence”, Pattern Recognition, vol. 43, no. 12, pp. 4011-4027, 2010.
  50. K.K. Delibasis,P.A. Asvestas, G.K. Matsopoulos, “Automatic Point Correspondence using an Artificial Immune System Optimization Technique for Medical Image Registration”, Computerized Medical Imaging and Graphics, vol.35 (1), no. 1, pp. 31-41, 2011.
  51. E.M. Ventouras, P. Asvestas, I. Karanasiou, G.K. Matsopoulos, “Classification of Error-Related Negativity (ERN) and Positivity (Pe) potentials using kNN and Support Vector Machines”, Computers in Biology and Medicine, vol. 41, no. 2, pp. 98-109, 2011.
  52. G.K. Matsopoulos, “Medical Imaging Correction: A Comparative Study of Five Contrast and Brightness Matching Methods”, Computer Methods and Programs in Biomedicine, in press, 2011.
  53. E.A. Zoulias, P.A. Asvestas, G.K. Matsopoulos, S. Tseleni-Balafouta, “A Decision Support System for Assisting FNA Diagnosis of Thyroid Malignancy”, Analytical and Quantitative Cytology and Histology, in press, 2011.

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