INSTITUTE OF INFORMATION TECHNOLOGIES - BAS


Associate Professor Georgi Yordanov Gluhchev, PhD
was born in 1944 near Sofia, Bulgaria. In 1968 he obtained master at the University of Sofia, Faculty of mathematics. In 1980 he defended his doctoral thesis at the Department of Theory of Probabilities and Mathematical Statistics at the University of Moscow in Russia. He worked as a programmer at the Institute of Civil Cybernetics in Sofia (1968-1970), research associate at the Institute of Technical Cybernetics of the Bulgarian Academy of Sciences (BAS) (1970-1978), Associate Professor at the Institute of Engineering Cybernetics and Robotics (BAS) (1979-1989) and Institute of Informatics (BAS) (1989-1991), Visiting Scientist at the Manitoba Cancer Treatment and Research Foundation (1991-1995), Associate Professor at the Institute of Information Technologies (IIT) of the Bulgarian Academy of Sciences. At the moment he is a Deputy Director of IIT and a Head of the Department of Image Processing and Pattern Recognition.
      He is married with two children.

Linguistic Ability:
Bulgarian - mother,
Russian - fluent,
English - fluent,
French - some.

Since 1970 until now he has been involved in Image Processing and Pattern Recognition in the following areas:
  • quantitative evaluation of parameters of microscopic images, selection of optimal parameter subsets, linear decision rules, statistical decision rules, clustering procedures,
  • processing of medical images: image enhancement, automatic segmentation, automatic alignment and registration,
  • decision rules for the evaluation of systematic displacements influenced by random errors,
  • automatic feature extraction and decision making in handwriting analysis,
  • feature extraction and automatic classification of printed letters,
  • face identification,
  • biometrics.


  • Research Projects:
    1. Quantitative analysis of tumor cells,1970-1978.
    2. Robot vision, 1979-1981.
    3. I&GPS (Image and Graphics Processing System),1981-1983.
    4. CSY-11(PC-based image processing system), 1984-1985.Implemented in different Institutes of the Bulgarian Academy of Sciences.
    5. EXPERT (Computer-aided handwriting investigation), 1986-1989.Implemented in the Institute of Forensic Science and Criminology in Sofia.
    6. PIPS(Portal Image Processing System), 1991-1995.Implemented in different Medical Physics department in Canada,USA and other countries.
    7. CAPI (Computer-Aided Portrait Investigation),1996-1997. Implemented in the Institute of Forensic Science and Criminology in Sofia.
    8. Computer System for CD's Identification, 1998-1999. Implemented at the Institute of Forensic Science and Criminology.
    9. Computer system for verification of State Emblem Replicas, 2000-2001. Implemented at the State Agency for Standards and Metrology.
    10. BioSecure Biometrics for Secure Authentication, 6th European Framework Programme, 2004-2007.

    He published 3 monographs, a handbook and more than 150 papers and conference presentations.

    BOOKS:
    1. Atanassov K., G. Gluhchev, S. Hadjitodorov, J. Kasprzyk, A. Shannon, E. Schmidt, V. Vassilev. Generalized Nets, Decision Making and Pattern Recognition, Warsaw School of Inf. Technology, Warsaw, 2006
    2. Atanassov K., G. Gluhchev, S. Hadjitodorov, A. Shanon, V. Vassilev, Generalized Nets in Pattern recognition, KvB, Monograph #6, Visual Concepts Pty, Ltd., Australia, 2003
    3. V. Valev, G. Gluhchev, Pattern recognition methods, Scientific and technical unions, Sofia, 1986
    4. K. Christov, G. Gluhchev, R. Khinova, Cytophotometry, Medicine and physical education, Sofia, 1983
    5. G. Gluhchev, P. Venkov, D. Mutaffov, M. Yancheva, Elements of pattern recognition theory, Bulgarian Academy of Sciences, Sofia, 1982

    PAPERS:
    1. Shanon A., G. Gluhchev, K. Atanassov, S. hadjitodorov, V. Vassilev. A generalized net model of biometrics-based access permission, Comptes rendus, Vol. 60, No 11, 2007, pp.1157-1162
    2. Shapiro V., G. Gluhchev, D. Dimov. Towards a Multinational Car License Plate Recognition System, Machine Vision and Application Journal, Vol. 17, No. 3, Springer Berlin/Heidelberg, 2006, pp. 173-183
    3. Hadjitodorov S., E. Szmidt, K. Atanassov, A. Shanon, G. Gluhchev, V. Vassilev, Generalized Net Models in Speaker Verification, and Identification with Intuitionistic Fuzzy Estimations, In: Issues of the Rpresentation and Processing of Uncertain and Imprecise Information, (Edts: K. Atanassov, J. Kasprzyk, M. Krawczak, E. Szmidt), Academicka Ofycina Widawnicza EXIT, Warszawa, 2005, . 127-140
    4. Gluhchev G., M. Savov, V. Velichkov, Image deblur in Case of Symetric Kernel, Proc. Int. Conf. ICEST2005, Nis, 2005, pp. 319-321
    5. Gluhchev G., F. Thomas. Automatic Slope Evaluation of Handwritten Text, Proc. of CompSysTech2005, Varna, pp. III.A.10-1 III.A.10-4
    6. Atanassov K., G. Gluhchev, S. Hadjitodorov, A. Shanon, V. Vassilev. "Application of generalized nets in biometrics", Comptes Rendus de l"Academie Bulgare des Sciences, vol. 56, No 5, Sofia, 2003, pp. 13-18.
    7. Hadjitodorov S., K. Atanassov, P. Mitev, A. Shanon, G. Gluhchev, V. Vassilev. "Generalized net representing the process of speaker classification - identification and verification", Advanced Studies in Contemporary Mathematics, 6 (2003), No 2, pp. 129-140.
    8. Shannon A., G. Gluhchev, K. Atanassov, P. Mitev, S. Hadjitiodorov. "Generalized Net Representing Process of Speaker Identification", Artificial Intelligence, 4, 2001, Kiev, pp. 71-79.
    9. Gluhchev G., P. Pavlova, A. Milev, S. Bonchev. "Automatic evaluation of lens decentration", CIT, vol.2, #1, IIT_BAS, 2002, pp. 49-57.
    10. D. Dimov, G. Gluhchev, N. Nikolov, I. Burov, E. Kalcheva, S. Bonchev, S. Milanov, B. Kiossev. "The Computer System -STEMB- for Verification of Replicas of the Bulgarian State Emblem", Cybernetics and Information Technologies, vol.1, 2001, pp. 95-106.
    11. Shanon, A., G. Gluhchev, K. Atanassov, St. Hadjitodorov. "Generalized net representation process of handwriting identification", Cybernetics and Information Technologies, vol.1, 2001, pp. 71-80.
    12. G. Gluhchev, A. Hristozov, G. Blajev, I. Sivriev, D. Nestorov, K. Truhchev, Computer system for the identification of compact discs (CD)", , . XXIII, 2000, . 54-65.
    13. S. Donchev, G. Gluhchev. "A structural approach for the preprocessing of printed text", In: Working papers of IIT, #IIT/WP-88B, 1999, Sofia.
    14. E. Kalcheva, G. Gluhchev. "Handwriting characteristics in case of neurological diseases", In: Working papers of IIT, #IIT/WP-89, 1999, Sofia.
    15. G. Gluhchev. "The magnitude of treatment field set-up parameter correction in radiation therapy", Radiother. Oncol. Vol. 48,1998, pp.79-82.
    16. . , . , . , . , . , . . " ", -, , 1997, . 127-133.
    17. . , . , . , . , . . " ", -, , 1997, . 134-141.
    18. G. Gluhchev, "Contrast Enhancement of Portal Images with Adaptive Histogram Clip", Elektrik, vol.5, #1, 1997, pp. 139-145.
    19. D. T. Dimov, G. Y. Gluhchev, "A Locally Adaptive Binary-Tree Method for Binarization of Text Imagies", In: Progress in Handwriting Recognition, (Edts A.C. Downton, S. Impedovo), World Scientific, London, 1996, pp. 575-580.
    20. K. B. Luchka, D. Chen, S. Shalev, G. Gluhchev, R. Rajapakshe, "Assessing radiation and light field congruence with a video based electronic portal imaging device", Med. Physics, Vol. 23 (7), 1996, pp. 1245-1252.
    21. G. Gluhchev, S. Shalev, "The systematic error detection as a classification problem", Pattern Recognition Letters, Vol. 17 (12), 1996, pp. 1233-1238.
    22. G. Gluhchev, "Image Processing and Decision Making in Radiotherapy", In: Lecture Notes on Biomathematics and Bioinformatics'95 (Ed. Michael Candev), Datecs Publ., 1995, Sofia, pp. 7-16.
    23. G. X. Ding, S. Shalev, G. Gluhchev, "A r-q technique for treatment verification in radiotherapy and its clinical applications", Med. Phys. 20 (4), 1993, pp. 1135-1143.
    24. K. Leszczinsky, S. Shalev, G. Gluhchev, "Verification of radiotherapy treatments: Computerized analysis of the size and shape of radiation fields", Med. Phys. 20 (3), 1993, pp. 687-694.
    25. V. Shapiro, G. Gluhchev, V. Sgurev, "Handwritten document image segmentation and analysis", Pattern recognition letters, North Holland, 1993, 14,pp. 71-78.
    26. V. Sgurev, G. Gluhchev, I. Mitsev, "Intelligent systems for document processing with automatic text recognition", Probl. of engin. cybern. and robotics, Sofia, 1993, 38,pp. 60-63.
    27. V. Shapiro, G. Gluhchev, S. Ogorelkov, "Character image skeletonization", In: Theory and application of cybernetic systems, Bulgarian Academy of Sciences, Sofia, 1991, 3,pp. 84-88.
    28. G. Gluhchev, V. Shapiro, D. Lalchev, "Probabilistic estimate of handwriting similarity", In: Theory and application of cybernetic systems, Bulgarian Academy of Sciences, Sofia,1991, 3,pp. 90-93.
    29. V. Shapiro, G. Gluhchev, S. Ogorelkov, S. Donchev, "Computer processing of handwritten text", In: Theory and application of cybernetic systems, Bulgarian Academy of Sciences, Sofia, 1991, 3,pp. 94-106.
    30. G. Gluhchev, V. Shapiro, S. Ogorelkov, "Automatic investigation of handwritten characters", In: Forensic science and criminology, Sofia, 1989, 5,pp. 135-142.
    31. V. Sgurev, G. Gluhchev, "A general scheme of the information processes in the human brain", Probl. of engin. cybern. and robotics, Sofia, 1988, 30, pp. 9-14.
    32. V. Sgurev, G. Gluhchev, D. Mutafov et al., "Car registration number recognition", Probl. of engin. cybern. and robotics, Sofia, 1987, 27, pp. 79-85.
    33. G. Gluchev, "The application of the potential functions in the cluster analysis", Probl. of engin. cybern. and robotics, Sofia, 1987, 27, pp. 41-44.
    34. V. Sgurev, D. Mutafov, G. Gluhchev, "Some problems of the design of image recognition systems", Probl. of engin. cybern. and robotics, Sofia, 1986, 24, pp. 26-30.
    35. D. Mutafov, G. Gluhchev, S. Dimitrova, V. Valev, "Microprocessor system for image recognition", In: Optimization, Decision making, Microprocessor systems, BAS, Sofia, 1985, pp. 199-202.
    36. D. Mutafov, G. Gluhchev, V. Valev, S. Dimitrova, "A system for image recognition", In: Knowledge presentation in man-machine robotic systems, v. D, Computer center of the Russian Academy of Sciences of USSR, Moscow, 1984, pp. 166-172.
    37. G. Gluhchev, V. Valev, "Visual pattern recognition software", In: Information and control systems for robots, (ed. D.E. Okhotsimski), Moscow, 1982,pp. 121-124.
    38. G. Gluhchev, "Some properties of the linear decision rule, obtained by the Least-Squares method", Probl. of engin. cybern. and robotics, Sofia, 1981, 11,pp. 67-72.
    39. G. Gluhchev, "Tissue classification based on cell smears", (doctoral thesis), University of Moscow, 1979.
    40. J. Topov, M. Tzvetkov, I. Valkov, N. Atanassov, G. Gluhchev, "Cellular morphology and kariometry of the prostatic hyperplasia and cancer, Przeglad Lekarski, Warsaw, 1979, 36, 12, pp. 851-854.
    41. G. Gluhchev, "Evaluation of the necessary number of observations for assessment of the a priori probabilities in some classification problems", Probl. of engin. cybern. and robotics, Sofia, 1978, 8, pp. 57-62.
    42. G. Gluhchev, "Normality of multidimensional distribution", Probl. of engin. cybern. and robotics, Sofia, 1978,8, pp. 43-47.
    43. M. Marinov, K. Christov, R. Khinova, G. Gluhchev, "A study of the cell nucleus with scanning cytophotometry", Probl. of medicine and biology, Sofia, 1977, 5, pp. 127-141.
    44. G. Gluhchev, "Learning of a linear machine", Probl. of engin. cybern., Sofia, 1977, 6, pp. 80-84.
    45. G. Gluhchev, M. Marinov, "A method of microobject classification using the contour points of the classes", Probl. of engin. cybern., Sofia, 1975, 1-2, pp. 141-145.
    46. M. Marinov, G. Gluhchev, D. Mutafov, "Teaching of a linear machine", Probl. of engin. cybern., Sofia, 1974, 18, pp. 201-206.
    47. V.Banchev, G. Gluhchev, "On the analytic continuation of a harmonic function to a region out of given ellipse", In: Annual of the technical institutes, Physics, Sofia, 1974, 9-2, pp. 13-21.

    PROCEEDINGS:
    1. Gluhchev G., M. Savov, O. Boumbarov, D. Vassileva. A New Approach to Signature Based Authentication, 2nd Int. Conf. on Biometrics, Seoul, 26-29 August, 2007, pp. 594-603
    2. Atanassov K., G. Gluhchev, A. Shanon. Generalized Net Model of the Automatic Natural Language Translation, Proc. 8th Int. Workshop on Generalized Nets, June 2007, Sofia, pp. 32-37
    3. Atanassov A., O. Boumbarov, G. Gluhchev, S. Hadjitodorov, A. Shanon, V. Vassilev. A generalized net model of biometric access-control system, 9th WSEAS Int. Conf. on Automatic Control, Modeling and Simulation, Istanbul, 27-29 May, 2007, pp.77-81
    4. Gluhchev G., M. Savov, O. Boumbarov. Classification of classifiers, iCEST 2007, 24-27 June, Ohrid, 2007, pp. 521-522
    5. Vassileva D., O. Boumbarov, G. Gluhchev. Skin color Gaussian model parameter estimationfrom incompleate clustering training set, Proc. Int. Conf. Automatics and Informaticd07, Sofia, 2007, pp. III-25 III-28
    6. O. Boumbarov, S. Sokolov, G. Gluhchev. Face Recognition using Principal Component Analysis and Radial Basis Neural Network, Proc. Bulgarian-Turkish Annual Conference, Istanbul, 2006, pp. 594-603
    7. Savov M., G. Gluhchev. Signature verification via Hand-Pen motion investigation, Proc. Int. Conf. Recent Advances in Soft Computing, Canterbury, 2006, pp. 490-495
    8. Savov M., G. Gluhchev. Signature verification via Hand-Pen motion investigation, Proc. Int. Conf. CompSysTech2006, Tarnovo, 2006, pp. III B 7.1 7.6
    9. M.Savov, G.Gluhchev. Experiments on signature identification with Hand-Pen system features, Proc. Int. Conf. Automatics and Informatics, Sofia, 2006, pp. 139-141
    10. O. Boumbarov, D. Vasileva, G. Gluhchev. Coarse to fine face detection using Gaussian models and geometrical Information, Proc. Int. Conf. Automatics and Informatics06, Sofia, 2006, pp. 135-138
    11. Gluhchev G., M. Savov, V. Velichkov, Image deblur in Case of Symetric Kernel, Proc. Int. Conf. ICEST2005, Nis, 2005, pp. 319-321
    12. Gluhchev G., F. Thomas. Automatic Slope Evaluation of Handwritten Text, Proc. of CompSysTech2005, Varna, pp. III.A.10-1 III.A.10-4
    13. Shapiro V., D. Dimov, S. Bonchev, V. Velichkov, G. Gluhchev. Adaptive License Plate Extraction, ICEST04, Bitola, Macedonia, vol. 2, pp. 317-320
    14. Shapiro V., G. Gluhchev. Multinational license plate recognition system: Segmentation and Classification, ICPR04, Vol. 4/4, Cambridge, 2004, pp. 352-355
    15. . Savov, G. Gluhchev. Automated Signature Detection from Hand Movement, Proc. of CompSysTech2004, Rousse, pp. III.A.3-1 III.A.3-6
    16. V. Shapiro, D. Dimov, S. Bonchev, V. Velichkov, G. Gluhchev. Adaptive License Plate Image Extraction, Proc. of CompSysTech2004, Rousse, pp. III.A.2-1 III.A.2-7
    17. G. Gluhchev. Handwriting in forensic investigations, ICT&P, Varna, 2004, pp. 26-34
    18. Hadjitodorov S., P. Mitev, P.M.Pinto,A. Shanon, G. Gluhchev, V. Vasilev. "A generalized net description for laryngeal pathology detection excluding the refusal option based on intuitionistic fuzzy logic", 10th ISPE Int. Conf. on Concurrent Engineering: Research and Applications, "Advanced Design, Production and Management Systems", Madeira, Portugal, 2003, pp. 1013,1016
    19. Gluhchev G., K. Atanassov, S. Hadjitodorov, E. Szmidt, A. Shanon. "Intuitionistic Fuzzy Generalized Net Model of the Process of Handwriting Analysis", Third Int. Conf. in Fuzzy Logic and Technology 'EUSFLAT', Zitau, 2003, pp. 218-222
    20. V. Shapiro, G. Gluhchev, S. Bonchev, V. Velichkov. "License plate localization", Proc. of the Int. Conference "Automatics and Informatics", 2003, Sofia, pp. 41- 43
    21. Kalcheva E., G. Gluhchev. "Investigation of handwriting general features in case of neurological diseases", Proc. of ICEST'2003, Sofia, pp. 262-265
    22. Kalcheva E., G. Gluhchev. "Segmentation and analysis of handwritten scripts from patients with neurological diseases", Proc. of CompSysTech'2003, Sofia, pp. III.4-1 - III.4-6
    23. Gluhchev G., S. Bonchev. "A real-time image restoration", Proc. of CompSysTech'2003, Sofia, pp. III.3-1 - III.3-6
    24. Gluhchev G., K. Atanassov, S. Hadjitodorov. "Automatic document processing", Proc. of IInd Int. Workshop on Intuitionistic Fuzzy Sets and Generalized Nets, Warszawa, 2002, (in press)
    25. Gluhchev G. Y. "Random and systematic errors evaluation in radiation therapy", MED2002, #344, Portugal, 2002, p.6
    26. Gluhchev G. Y. "Systematic and random errors in radiation therapy", Proc. of ICES'2002, Nis, Yugoslavia, pp. 369-272
    27. Gluhchev G. "PIPS: Portal Image Processing System", Proc. of CompSysTech'2002, Sofia, pp.II.5.1-5.6
    28. Hadjitodorov S., P. Mitev, K. Atanassov, V. Kolev, G. Gluhchev, V. Vassilev. "A generalized net description for laryngeal pathology detection with refusal option", IIIrd Int. Workshop on Generalized Nets, Sofia, 2002, pp. 14-17
    29. E. Kalcheva, G.Gluhchev. "Investigation of handwritten graphics from patients with neurological diseases", Proc. Int. Conf. On Computer Systems and Technologies - CompSysTech'2001, Sofia, 2001, pp.III.31-1 - III.31-5
    30. S. Bonchev, G. Gluhchev. "3D Face Identification via Two 2D Projections", Proc. Int. Conf. On Computer Systems and Technologies - CompSysTech'2001, Sofia, 2001, pp.II.2-1 - II.2-5
    31. D. Dimov, G. Gluhchev, N. Nikolov, I. Burov, E. Kalcheva, S. Bonchev, S. Milanov, B. Kiossev. "STEMB - a Computer System for Verification ov Replicas of the Bulgarian State Emblem", Proc. Int. Conf. On Computer Systems and Technologies - CompSysTech'2001, Sofia, 2001, pp.I.5-1 - I.5-5
    32. . , . , . , . , . , . , . , . . " - ", Proc. of the International Scientific Conference on Energy and Information Systems and Technologies'2001, vol. III, Bitola, Macedonia, 2001, pp. 587-592
    33. G. Gluhchev, K. Atanassov, S. Hadjitodorov. "Handwriting analysis via generalized nets", Proc. of the International Scientific Conference on Energy and Information Systems and Technologies'2001, vol. III, Bitola, Macedonia, 2001, pp. 758-763
    34. G. Gluhchev, A. Hristozov, G. Blajev, I. Sivriev, D. Nestorov, K. Truhchev. "A computer system for CD's identification", Proc. of the International Scientific Conference on Energy and Information Systems and Technologies'2001, vol. III, Bitola, Macedonia, 2001, pp. 570-574
    35. E. Kalcheva, G. Gluhchev. "Handwriting changes in case of neurological diseases", Proc. of the International Scientific Conference on Energy and Information Systems and Technologies'2001, vol. III, Bitola, Macedonia, 2001, pp. 564-569
    36. S. Bonchev, G. Gluhchev. "A face identification method in case of different close-up", "Recpad2000", Porto, Portugal, 2000, pp. 103-108
    37. . , . . " ", Proc. of the CompSysTech'2000, Sofia, pp. V.16-1 - V.16-5
    38. E. Kalcheva, G. Gluhchev. "Evaluation of handwriting changes in case of neurological diseases", Proc. of the CompSysTech'2000, Sofia, pp. V.2-1 - V.2-5
    39. S. Donchev, G. Gluhchev. "Structural approach for the segmentation of printed documents", Proc. of the International Scientific Conference Communication, Electronic and Computer Systems'2000, Sofia, pp. 118-123
    40. K. B. Luchka, R. Rajapakshe, D. Chen, G. Gluhchev and S. Shalev, "Objective evaluation of Portal Imaging Systems", Proc. of COMP/CCPM Conf., Montreal, 1995, Canada, pp. 15-16
    41. S. Shalev, G. Gluhchev, D. Chen, R. Rajapakshe and K. B. Luchka , "A Versatile Processing System For Portal Images", Proc. of COMP/CCPM Conf., Montreal, 1995, Canada, pp. 27-28
    42. K. B. Luchka, R. Rajapakshe, D. Chen, G. Gluhchev and S. Shalev, "A Demonstration of Megavoltage Simulation", Proc. of COMP/CCPM Conf., Montreal, 1995, Canada, pp. 29-30
    43. S. Shalev, G. Gluhchev, "A comprehensive approach to measuring field placement errors", XIth Int. Conf. on Computers in Radiation Therapy, Manchester, 1994, UK, pp. 266-267
    44. S. Shalev, G. Gluhchev, "When and how to correct a patient set-up", XIth Int. Conf. on Computers in Radiation Therapy, Manchester, 1994, UK, pp. 274-275
    45. G. Gluhchev, S. Shalev, "Combined approach for portal image enhancement", European Congress of Medical Physics, Tenerife, 1993, v. 2, pp. 457-460
    46. G. Gluhchev, S. Shalev, "Automatic pairing of points in image registration", European Congress of Medical Physics, Tenerife, 1993, v.2, pp. 453-456
    47. S. Shalev, G. Gluhchev, "The accuracy of image registration by point placement", European Congress of Medical Physics, Tenerife, 1993, v.2, pp.461-464
    48. G. Gluhchev, S. Shalev, "Fast algorithm for radiation field edge detection", SPIE Vol. 1898, Image Processing, 1993, pp. 296-303
    49. G. Gluhchev, S. Shalev, "Robust registration in case of different scaling", SPIE Vol. 1898, Image Processing, 1993, pp. 126-133
    50. D. Nestorov, V. Shapiro, P. Veleva, G. Gluhchev, A. Angelov, I. Stoyanov, "Towards objectivity of handwriting pressure analysis for static images", 6th Int. Conf. on Handwritting and Drawing ICOHD '93, 5-7 July, Paris, pp. 216-218
    51. V. Shapiro, G. Gluhchev, V. Sgurev, "Preprocessing for automatic examination of handwritten documents", 7th Scandinavian conf. on image analysis, Denmark, 1991,v.2, pp. 790-797
    52. V. Shapiro, G. Gluhchev, V. Sgurev, "Automatic document authentication: approach and methods", 1st Int. conf. on document analysis and recognition, France, 1991,v.2, pp. 894-902
    53. G. Gluhchev, V. Shapiro, V. Sgurev, "An interactive approach for handwritten material analysis, 1st Int. conf. on document analysis and recognition, France, 1991,v.1, pp. 401-409
    54. D. Mutafov, G. Gluhchev, S. Dimitrova, V.Valev, "Microprocessor pattern recognition system", Bulgarian-polish symposium on optimization, decision making and microprocessor systems, Sofia, 1985, pp. 54-56
    55. G. Gluhchev, V. Valev, "Pattern recognition in robotics", 2nd Int. conf. on artificial intelligence and information-control systems of robots, Smolenice, CSSR, 1982, pp. 96-98
    56. G. Gluhchev, N. Vassilev, "Quantitative blood cell investigation in case of acute lymphocyte leukemia", 2nd Int. conf. BIONICS'78, Moscow-Leningrad, 1978, v. 1, pp. 245-248
    57. J. Topov, G. Gluhchev, V. Tsvetkov, "Karyometric study on the tumor process of the prostatatic gland, 3th symposium of young scientists, ITC, Sofia, 1978, pp. 132-140
    58. G. Gluhchev, "A heuristic method for structural elements detection of the biological micro objects", 3th symposium of young scientist, ITC, Sofia, 1978, pp. 75-83
    59. G. Gluhchev, J. Topov, "Feature space determination and classification of pleural cavity effusion cells", 2nd symposium of young scientist, ITC, Sofia, 1977, pp. 50-56
    60. I. Valkov, J. Topov, G. Gluhchev, M. Marinov, "Morphometric study on the nucleoli of mesothelial and tumor cells being in pleural cavity effusions", 6th European conf. of cytology, Weimar, 1976, Germany, (Archiv fur Geschwulstforschung, 1977, pp. 220-225)

    PATENTS:
    1. V. Sgurev, D. Mutafov, G. Gluhchev et al., "A system for identification of registered vehicles", NRB G06K 9/00, 71029

    ABSTRACTS:
    1. . , . , . , . , . , " - ", II , 3-4 , , 1996. . 99
    2. . , , . , . , " ", II , 3-4 , , 1996, . 100.
    3. S. Shalev, G. Gluhchev, "Optimizing decision rules for correcting field displacements in fractionated radiotherapy", 15th ESTRO meeting, Vienna, September 23-26, 1996
    4. S. Shalev, D. Chen, K. Luchka, G. Gluhchev, "A comparison of digital enhancement techniques for electronic portal images", 15th ESTRO meeting, Vienna, eptember 23-26, 1996
    5. S. Shalev, K. B. Luchka, D. Chen, G. Gluhchev, "A system for the enhancement, display and analysis of radiotherapy portal images", AAPM Anual Meeting, Philadelphia 21-25 July, 1996
    6. K. Luchka, G. Gluhchev, S. Shalev, "Detacting radio-opaque implanted markers in electronic portal images: A comparison of commercial systems", AAPM Anual Meeting, Philadelphia 21-25 July, 1996
    7. K. Luchka, G. Gluhchev, S. Shalev, "The application of electronic portal imaging devices for the detection of radio-opaque implanted markers", COMP, Vancouver, June 20-22, 1996
    8. S. Shalev, D. Chen, K. Luchka, G. Gluhchev, "PIPS - An image processing, analysis and display system for use in radiation therapy", COMP, Vancouver, June 20-22, 1996
    9. S. Shalev, D. Chen, K. Luchka, G. Gluhchev, "A PC-based computer program for the enhancement and analysis of portal images", Workshop on Electronic Portal Imaging, Amsterdam, June 1996
    10. K. Luchka, S. Shalev, G. Gluhchev, "Computer-aided detection of radio-opaque implanted markers in electronic portal images", Workshop on Electronic Portal Imaging, Amsterdam, June 1996
    11. S. Shalev, K. B. Luchka, D. Chen, X. Wang, G. Gluhchev, "A windows package for processing, analysis and display of medical images", WESCAN, Edmonton, 14-16 March, 1996
    12. S. Shalev, G. Gluhchev, "Interventional correction of patient setup using portal imaging: A comparison of decision rules", Radiation Oncology, Biology, Physics, Vol. 32, 1, 1995, p. 216, (ASTRO 1995)
    13. K. B. Luchka, R. Rajapakshe, G. Gluhchev, D. Chen,.S. Shalev, "Performance evaluation of electronic portal imaging devices", Medical Physics, v. 22, 6, 1995, p. 991 (37th meeting of AAPM, Boston, 1995, USA)
    14. S. Shalev, G. Gluhchev, D. Chen, R. Rajapakshe and K. B. Luchka, "Processing and analysis of portal images on a PC computer", Medical Physics, v. 22, 6, 1995, p. 1017 (37th meeting of AAPM, Boston, 1995, USA)
    15. K. B. Luchka, G. Gluhchev, R. Rajapakshe, .S. Shalev, "Rapid verification of radiation and light field coincidence", WESCAN'95, Victoria, 1995, Canada
    16. S. Shalev, G. Gluhchev, "Inter-treatment correction of setup errors: Action levels and decision rules", WESCAN'95, Victoria, 1995, Canada
    17. S. Shalev, K. Luchka, R. Rajapakshe, G. Gluhchev, "Dynamic Megavoltage Fluoroscopy - application in radiotherapy", 19th LH Gray Conference "Imaging in Oncology", 3-7 April, 1995, Newcastle upon Tyne (UK)
    18. S. Shalev, K. Luchka, G. Gluhchev, R. Rajapakshe, "A Quality Control Procedure for Light Field Accuracy", 19th LH Gray Conference "Imaging in Oncology", 3-7 April, 1995, Newcastle upon Tyne (UK)
    19. S. Shalev, G. Gluhchev, "PIPS - An Image Processing System for Radiation Therapy", 19th LH Gray Conference "Imaging in Oncology", 3-7 April, 1995, Newcastle upon Tyne (UK)
    20. S. Shalev, K. Luchka, R. Rajapakshe, G. Gluhchev, "Interactive Radiation Therapy Using Electronic Portal Imaging", 19th LH Gray Conference "Imaging in Oncology", 3-7 April, 1995, Newcastle upon Tyne (UK)
    21. S. Shalev, K.B. Luchka, G. Gluhchev, R. Rajapakshe, D. Chen, "Clinical Experience with Electronic Portal Imaging", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    22. S. Shalev, G. Gluhchev, "A Classificaion Scheme for Reporting and Analyzing Field Displacements", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    23. S. Shalev, G. Gluhchev, "Decision Rules for the correction of Tretment Field Setup Displacements", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    24. K.B. Luchka, R. Rajapakshe, G. Gluhchev, D. Chen, S. Shalev, "Megavoltage Simulation: An On-line Setup Technique for Obese Patients", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    25. R. Rajapakshe, K. Luchka, G. Gluhchev, S. Shalev, "A Quality Control Test for Electronic Portal Imaging", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    26. K.B. Luchka, G. Gluhchev, R. Rajapakshe, D. Chen, S. Shalev, "Assessing Radiation and Light Field Coincidence with an Electronic Portal Imaging System", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    27. G. Gluhchev, S. Shalev, "Portal Image Enhancement: A Comparison of Techniques", 3rd Inter. Workshop on Electronic Portal Imaging, San Francisco, 7-8 Oct., 1994
    28. G. Gluhchev, C. Demeng, S. Shalev, "A PC based portal image processing system", World Congress on Med. Physics and Biomedical Engineering, Rio de Janeiro, 1994
    29. S. Shalev, G. Gluhchev, "The correction of systematic setup displacements in radiation therapy", World Congress on Med. Physics and Biomedical Engineering, Rio de Janeiro, 1994
    30. S. Shalev, K. Luchka, D. Chen, G. Gluhchev, R. Rajapakshe, "Megavoltage simulation: Intra-treatment corrections to initial patient setup", 36th AAPM, Anaheim, CA, 1994
    31. S. Shalev, G. Gluhchev, D. Chen, "PIPS: A PC-based processing system for portal images", 36th AAPM, Anaheim, CA, 1994
    32. S. Shalev, G. Gluhchev, "Decision rules for the correction of field setup parameters", 36th AAPM, Anaheim, CA, 1994
    33. G. Gluhchev, S. Shalev, "On-line detection of incorrect field size and shape in radiotherapy", 36th AAPM, Anaheim, CA, 1994
    34. G. Gluhchev, C. Demeng, S. Shalev, "A PC based portal image processing system", World Congress on Med. Physics and Biomedical Engineering, Rio de Janeiro, 1994
    35. S. Shalev, G. Gluhchev, "The correction of systematic setup displacements in radiation therapy", World Congress on Med. Physics and Biomedical Engineering, Rio de Janeiro, 1994
    36. G. Gluhchev, S. Shalev, "Improvement of the accuracy of image registration", WESCAN'94, Winnipeg, 1994
    37. S. Shalev, G. Gluhchev, "Image registration with local distortions: quantification of guilt", Radiation and Oncology '93, 17-19 May, Glasgow, 1993
    38. S. Shalev, G. Gluhchev, S. El-Sayed, "Field placement errors in routine radiation therapy", Radiation and Oncology'93, 17-19 May, Glasgow, 1993
    39. S. Shalev, M. Hoppensack, G. Gluhchev, et al., "Treatment verification by simulator-portal image alignment", 11th annual meeting of ESTRO, Malmo, Sweden, 1-4 Sept.,1992
    40. S. Shalev, M. Hoppensack, G. Gluhchev, et al., "Quantification of beam displacement errors", 34th annual meeting AAPM, Calgary, 1992
    41. G. Gluhchev, S. Shalev, "Guilt by association: A new robust image alignment algorithm", 34th annual meeting AAPM, Calgary, 1992
    42. S. Shalev, S. El-Sayed, M. Hoppensack, G. Gluhchev et al., "Precision radiation therapy using on-line portal imaging", BIR Conference, Birmingham, May, 1992
    43. T. Radcliffe, G. Gluhchev, M. Hoppenscak et al., "A technique for the routine verification of treatment accuracy", ASTRO, San Diego, 1992
    44. G. X. Ding, S. Ryder, G. Gluhchev, S. Shalev, "A r - q technique for treatment verification in radiotherapy and its clinical applications", 33rd annual meeting AAPM, San Francisco, 1991
    45. G. Gluhchev, V. Sgurev, "A general scheme of the information process in the human brain", 2nd Int. symposium on Art. Intelligence, Varna, Bulgaria, 1987
    46. G. Gluhchev, P. Khadjiev, "Random events prediction", 10th Prague conf. on information theory, statistical decision functions and random processes, Prague, 1986
    47. S. Christova, I. Valkov, G. Gluhchev, "Intraoperative cytological diagnostics of neoplastic processes in a mamma", 4th National congress of oncology, Sofia, 1985
    48. S. Christova, I. Valkov, G. Gluhchev, "Intraoperative Cytodiagnostics: Application and comparison with frozen section histology", 14th European Congress of Cytology, Spain, 1985
    49. G. Gluhchev, "On the formulation of the notion "intelligence", Int. con. of Art. intelligence, Varna, Bulgaria, 1984
    50. V. Sgurev, G. Gluhchev, D. Mutafov, "Some problems of the design of recognition systems", Int. symposium of Art. intelligence and Pattern recognition, Kiev, USSR, 1984
    51. D. Mutafov, G. Gluhchev, V. Valev, S. Dimitrova, "Visual sensor for robots", Youth scientific session of industrial robots, Stara Zagora, Bulgaria, 1982
    52. G. Gluhchev, V. Valev, "Visual pattern recognition system. Software", Int. con. "Problems of industrial robot control", Varna, Bulgaria, 1981
    53. J. Topov, I. Valkov, N. Vassilev, G. Gluhchev, "Light-microscopic and ultra-structural morphometry of the nuclei of mesothelial and tumor cells being in pleural and peritoneal cavities" 3th National congress of oncology, Varna, Bulgaria,1979
    54. J. Topov, M. Tsvetkov, I. Valkov, N.Atanassov, G. Gluhchev, "Cytomorphology and kariometry of hyper plastic processes and tumor of the prostate",Scient. conf. "Nucleus-biology, morphology and pathology", Sofia, 1978
    55. K. Christov, R. Khinova, G. Gluhchev, "Investigation of the condensed and scattered chromatin in the nucleus using scanning cytophotometry", Scient. conf. "Nucleus - biology, morphology, pathology", Sofia, 1978
    56. J. Topov, M. Tsvetkov, I. Valkov, N. Atanassov and G. Gluhchev, "Cellular morphology and kariometry of the prostatic hyperplasia and cancer", 8th European Congress of Cytology, Sept. 20-22, Szczecin, Poland, 1978
    57. Ch. Apostolov, R. Khinova, G. Gluhchev, "Investigation of the cell nucleus and its chromatin structure during the cell cycle of tumor line of human angiosarcoma", Symposium of clinical and experimental oncology, Sofia, 1977
    58. N. Naplatanoff, M. Marinov, G. Glunchev, E. Enchev, "Recognition of biological micro objects, 3rd Int. congress of cybernetics and systems, Bucharest, 1975
    59. J. Topov, I. Valkov, S. Christova, G. Gluhchev, M. Marinov, "Morphometric investigation of the nucleus of mesothelial and tumor cells", 2nd National congress of pathologists, Sofia, 1977
    60. J. Topov, I. Valkov, G. Gluhchev, "An approach for scanning morphometry of the nucleus of mesothelial and tumor cells", Scientific session "Modern approaches in the medical and biological investigations", Sofia, 1977
    61. J. Topov, A. Lazarova, G. Gluhchev, "Morphometric study of the nuclei of mesothelial and tumor cells from pleural cavity effusions", Youth scientific session, Sofia, 1975
    62. E. Enchev, M. Marinov, G. Gluhchev, "Cytophotometric investigation with a new cytochemical method for diagnostics of abnormal cells and its application in automatic systems for diagnostics of a cervical tumor", 2nd National congress of clinical laboratory, Sofia, 1975
    63. E. Enchev, K. Tsanev, M. Marinov, G. Gluhchev, I. Balchev, "Cytophotometric investigation of the cervix tumor", 2nd National congress of the oncologists, Varna, Bulgaria, 1974
    64. R. Tosheva, E. Tsvetkova, A. Khadjiolov, M. Marinov, L. Gitsov, G. Gluhchev, "On some quantitative fluorescent-cytochemical differences in the nucleus chromatin of mature leukocytes in case of healthy and suffering from leukemia individuals", 1st National congress of hematology, Sofia, 1973
    65. M. Marinov, R. Tosheva, A. Khadjiolov, E. Tsvetkova, L. Gitsov, G. Gluhchev, "An attempt for automatic differentiation of leukocytes from normal peripheral blood treated with berberin sulfate", 1st National congress of hematology, Sofia, 1973
    66. G. Gluhchev, "An algorithm for evaluation of the area and perimeter of micro objects of arbitrary shape with computer, National symposium of the young scientists, Sofia, 1972
    67. M. Marinov, G. Gluhchev, "A method for automatic recognition of numbers", Radio scientific session, Sofia, 1971


    Professional Membership:
  • Bulgarian Association of Pattern Recognition (member of the International Association of Pattern Recognition- LAPR).
  • Union of Automation and Informatics
  • IEEE

  • Last update: March, 2008.