Academic Staff

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Professor PhD Todor Dimitrov Ganchev
052 383 621

Education and training

2019 - Professor, Technical University of Varna
2014 - Associate Professor, Technical University of Varna
2005 - PhD, University of Patras, Faculty of Engineering and Computer Technology, Greece. PhD topic: “Speaker Recognition”
1993 - Diploma Engineer, Faculty of Electronics, Technical University of Varna. Academic curriculum: “Electronics and Microelectronics”

Teaching subjects

Digital Signal Processing
Artificial Intelligence

Research areas

Digital Signal Processing, Machine Learning methods and their applications in Biometrics, Bioacoustcis, and Biomedical Informatics


  • Ganchev T. (2017).Computational Bioacoustics: Biodiversity Monitoring and Assessment.First Edition. De Gruyter, New York, June 2017. ISBN: 978-1-61451-729-0
  • T. Ganchev, V. Markova, I. Lefterov, Y. Kalinin, “Overall Design of the SLADE Data Acquisition System”, Proc. of the IITI-2017, September 14-16, 2017, Varna, Bulgaria.
  • F. Feradov, I. Mporas, T. Ganchev, „Evaluation of Cepstral Coefficients as Features in EEG-based Recognition of Emotional States“, Proc. of the IITI-2017, September 14-16, 2017, Varna, Bulgaria.
  • N. Dukov, T. Ganchev, D. Kovachev, „FPGA implementation of the Locally Recurrent Probabilistic Neural Network“.Proc. of the IITI-2017, September 14-16, 2017, Varna, Bulgaria.
  • V. Markova, K. Kalinkov, P. Stanev, T. Ganchev, “Automated Stress Level Monitoring in Mobile Setup”. Proc. of the IITI-2017, September 14-16, 2017, Varna, Bulgaria.
  • O. Jahn, T. Ganchev, M.I. Marinez, K.L. Schuchmann (2017). Automated Sound Recognition Provides Insights into the Behavioral Ecology of a Tropical Bird. PlosONE, DOI:10.1371/journal.pone.0169041
  • Markova V., C. Dicheva, F.Feradov, Y. Kalinin and T.Ganchev, “SLADE –stress level and emotional state assessment database: phase 1”, Computer science and technologies, Technicaluniversity of Varna, Varna, Bulgaria, vol.1, pp.60-68, 2016.
  • V. Markova, T. Ganchev, “Technological support to stress level monitoring”, Book Chapter 6 in ‘Enhanced Living Environments: From Models to Technologies’, IET Publisher, 2016.
  • R. M. Lima, L. P. Martins, M. R. Pereira, T.Ganchev,O. Jahn, M. G. Lhano, M. I. Marques, K.-L.Schuchmann (2016).Lernecainalataberipocone Subsp. Nov. (Orthoptera, Phalangopsidae, Luzarinae): New Taxon for the Northern Pantanal of Brazil. ZootaxaISSN: 1175-5326.
  • A. G. de Oliveira, T. M. Ventura, T. D. Ganchev, J. M. de Figueiredo, O. Jahn, M. I. Marques, K.-L.Schuchmann (2015). “Bird acoustic activity detection based on morphological filtering of the spectrogram”, Applied Acoustics, ISSN: 0003-682X, Elsevier,vol. 98, no. Nov. 2015, pp. 34–42.
  • T. Ganchev, O. Jahn, M. I. Marques, J. M. de Figueiredo, K.-L. Schuchmann (2015). “Automated acoustic detection of Vanellus chilensis lampronotus”, Expert Systems with Applications, ISSN: 0957-4174,Elsevier, vol. 42, no. 15–16, Sept. 2015, pp. 6098–6111.
  • T. M. Ventura, A. G. de Oliveira, T.Ganchev, J. M. de Figueiredo, O. Jahn, M. I. Marques, K.-L. Schuchmann (2015).Audio parameterization with robust frame selection for improved bird identification, Expert Systems with Applications, ISSN 0957-4174, Elsevier, vol. 42, no. 22, Dec. 2015, pp. 8463-8471,
  • F. Feradov, Т. Ganchev (2015). “Ranking of EEG Time-Domain Features on the Negative Emotions Recognition Task”, Annual Journal of Electronics, ISSN 1314-0078, vol. 9, pp. 26-29.
  • T. Ganchev (2015). “Morphological Processing оf the Audio Spectrogram for Improved Acoustic Recognition of Bird Species”, Списание „Акустика“,ISSN 1312-4897, СЕЕС– София, България, брой 17, Дек. 2015, стр.66-69.
  • Dukov N., T. Ganchev, D. Kovachev,M. Vrahatis(2015). “Population Size Tradeoffs in DEand PSO-based Methods for PNN Training”, International Scientific Conference, 21–22 November 2015, Gabrovo.
  • T. Ganchev, M. Siafarikas, I. Mporas, Ts. Stoyanova (2014).“Wavelet basis selection for enhanced speech parametrization in speaker verification”, International Journal of Speech Technology, ISSN: 1381-2416,vol. 17, no. 2014, pp. 27-36.DOI: 10.1007/s10772-013-9202-8.
  • Dukov N., T. Ganchev, D. Kovachev (2014). “FPGA Implementation of Probabilistic Neural Network with the Altera Cyclone Family”, International Scientific Conference, 21–22 November 2014, Gabrovo.
  • Dukov N.T., Ganchev T. D., Kovachev D. M. (2014). “Empirical Study оf PNN Sensitivity to the Exponential Function Approximation in FPGA Implementations”, TU-Varna Annals of Science, 2014.
  • S.M. Potirakis, N.-A. Tatlas, N.Zafeiropoulos, T. Ganchev, M.Rangoussi (2013).“Assessment of military intercom headsets for maximum voice reproduction level in high noise conditions”, Applied Acoustics, ISSN 0003-682X, vol. 74, no. 6, 2013, pp. 870-881,
  • T. Kostoulas, T. Winkler, T. Ganchev, N. Fakotakis, J. Köhler (2013). “The MoveOn Database: Motorcycle Environment Speech and Noise Database for Command and Control Applications”, Language Resources and Evaluation Journal, ISSN: 1574-020X, Springer, vol. 47, no. 2, pp. 539-563.
  • S. Ntalampiras, D. Arsić, M. Hofmann, M. Andersson,T. Ganchev (2012). PROMETHEUS: heterogeneous sensor database in support of research on human behavioral patterns in unrestricted environments, Signal, Image and Video Processing, ISSN: 1863-1703.
  • T. Kostoulas, I. Mporas, O. Kocsis, T. Ganchev, N. Katsaounos, J. J. Santamaria, S. Jimenez-Murcia, F. Fernandez-Aranda, N. Fakotakis (2012). Affective Speech Interface in Serious Games for Supporting Therapy of Mental Disorders, Expert Systems with Applications, vol.39, no.12, Sept. 2012, pp. 11072–11079.DOI=10.1016/j.eswa.2012.03.067.
  • A. Lazaridis, T. Ganchev, I.Mporas, E. Dermatas, N. Fakotakis, (2012). Two-stage phone duration modelling with feature construction and feature vector extension for the needs of speech synthesis, Computer Speech & Language, ISSN 0885-2308, vol. 26, no. 4, August 2012, pp. 274-292, DOI=10.1016/j.csl.2012.01.009.
  • F. Fernandez-Aranda, S. Jimenez-Murcia, J.J. Santamaria, K.Gunnard, A. Soto, E.Kalapanidas, R.G. Bults, C.Davarakis , T. Ganchev, R.Granero, D.Konstantas, T.Kostoulas, T. Lam, M. Lucas, C.Masuet-Aumatell, M.H. Moussa, J. Nielsen, E.Penelo (2012).Video games as a complementary tool in mental disorders: Playmancer a european multicenter study, Journal of Mental Health,2012 Informa UK, Ltd., ISSN: 0963-8237, ISSN: 1360-0567, August 2012, 21(4): 364–374. DOI=10.3109/ 09638237.2012.664302.
  • T. Ganchev, I. Mporas, O. Jahn, K. Riede, K.-L. Schuchmann, N. Fakotakis (2012). "Acoustic Bird Activity Detection on Real-Field Data", I. Maglogiannis, V. Plagianakos, and I. Vlahavas (Eds.): SETN 2012, LNAI 7297, pp. 190–197, 2012.© Springer-Verlag Berlin Heidelberg 2012.
  • I. Mporas, T. Ganchev, O. Kocsis, N. Fakotakis, O. Jahn, K.Riede, K.-L. Schuchmann (2012).“Automated Acoustic Classification of Bird Species from Real -Field Recordings”, Proc. of the IEEE International Conference on Tools with Artificial Intelligence (ICTAI-2012), November 7-9, 2012, Athens, Greece.

Additional information

  • Awarded with the “2013 Joachim Adis Prize for Interdisciplinary Tropical Ecology”, for significant contribution to Computational Bioacoustics
  • Senior Member of IEEE -- Тhe Institute of Electrical and Electronics Engineers, IEEE Signal Processing Society, IEEE Computational Intelligence Society
  • Member of The European Association for Signal Processing (EURASIP)


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