Radiocommunications and Videotechnologies Department

Department Sections


Research is an integral part of the learning process. It influences both the scientific development of the teaching staff as well as the professional qualification of the students. One must take into account that a significant part of fundamental research in the Department of Radio communications and Video technologies is with real life applications and it has a great impact on economic development of the country and the business. Based on long-established scientific research traditions, the department’s academic staff specializes in four scientific directions in which it trains students and doctoral students and carries out active research:

In the last three years the department has participated and conducted more than 30 research contracts worth around € 900,000, of which 4 international, 11 were funded by the National Fund for Scientific Research, 9 with companies in the telecommunication sector and 14 internal research projects. The results of the studies conducted under these contracts are presented in more than 300 articles and papers published in reputed national and international journals and conference proceedings. Experts from the department are members of editorial boards and reviewers in a number of national and international journals and conferences. For the same period, the department’s academic staff has received two international and two national research awards. In addition, nine applications were submitted for the protection of intellectual property issued to Bulgarian organizations. The total number of publications in the department till now exceeds 2500; the number of inventions and patents, including those involving international teams is more than 90.

An European portal for international student’s internships and projects Praxis has been created with participation in ERASMUS program of prof. Dimitar Dimitrov from Department of Radiocommunication and Videotechnology , Faculty of Telecommunication, Technical University of Sofia, Bulgaria:
http://www.praxisnetwork.eu/
THE BEST PLACE TO FIND OR SHARE INTERNATIONAL STUDENT INTERNSHIPS AND PROJECTS

Radio communication Devices and Systems


Head: Prof. Dr. Eng. Ilia Iliev
Members

  1. Assoc. Prof. Dr. Eng. Rosen Miletiev
  2. Assoc. Prof. Dr. Eng. Ivo Dochev
  3. Assoc. Prof. Dr. Eng. Marin Nedelchev
  4. Assoc. Prof. Dr. Eng. Oleg Panagiev
  5. Assist. Prof. Dr. Eng. Stoycho Manev
  6. Assist. Prof. Dr. Eng. Ludvig Lubih
  7. Assist. Prof. Eng. Todor Tsvetkov
  8. Assist. Prof. Maria Pavlova

Teaching activities
Telecommunications specialty
The section supports teaching activities on the following subjects attended by students from Radiocommunications and Audio and video systems specializations:
  1. Pulse and digital devices
  2. Analog devices
  3. Fundamentals of information transmission
  4. Data transmission and computer communications
  5. Radiocommunication equipment
  6. Measurement in communications
  7. Mobile communications
  8. Wireless communications
  9. Radio and television systems and networks
  10. Radar and navigation systems
  11. Mobile and personal satellite communications
  12. Microwave devices design
  13. Digital radio and TV broadcasting
  14. Wideband radiocommunication systems
  15. Wideband cable communication systems
  16. 4G networks - LTE

Class laboratories:
  1. Mobile communications, TU-Sofia, bldg.1, fl.2, lab.1260
  2. Radiocommunication technics, TU-Sofia, bldg.1, fl.2, lab.1261
  3. Measurements in communications, TU-Sofia, bldg.1, fl.2, lab.1263

Participation in research and development laboratories:
  1. Electromagnetic compatibility of communication systems

Scientific research topics:
  1. Cellular radiocommunication systems 4G;
  2. Cellular radiocommunication systems 3G - UMTS;
  3. Cellular radiocommunication systems 2G, 2.5G - GSM/GPRS/EDGE;
  4. Data transfer networks – WiFi and WiMAX (802.11b, 802.11a, 802.11g, 802.11n, 802.16e);
  5. Satellite communication systems;
  6. Self-organizing networks – ZigBee (802.15);
  7. Wideband radiocommunication systems;
  8. Modelling and design of radiocommunication devices;
  9. Modelling and software design of narrow- and wideband digital radiocommunication systems;
  10. Signal and information processing in software defined radio (SDR) – design with DSPs;
  11. Communications M2M in ТCP IP networks.
  12. Information-measurement systems design;
  13. Navigation systems design – GPS, inertial and integrated GPS/INS;
  14. Object remote control systems design;
  15. Virtual measurement devices and systems design;
  16. Electromagnetic compatibility of household and industrial devices.

Selected publications:
  1. Iliev, Ilia, Marin Nedelchev, and Evgeni Markov. "A novel 2D Z-shaped electromagnetic bandgap structure." Engineering, Technology & Applied Science Research 5.1 (2015): 760-763.
  2. Baltiiski, Pavel, et al. "Long-term spectrum monitoring with big data analysis and machine learning for cloud-based radio access networks." Wireless Personal Communications 87.3 (2016): 815-835.
  3. Iliev, Ilia, et al. "Interference identification based on long term spectrum monitoring and cluster analysis." 2016 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). IEEE, 2016, pp. 1-5.
  4. Yordanov, Rumen, et al. "Measurement and analysis of the road traffic." 2018 IEEE XXVII International Scientific Conference Electronics-ET. IEEE, 2018, pp. 1-3.
  5. Iontchev, Emil, et al. "Hardware implementation of quad microelectromechanical sensor structure for inertial systems." Proceedings of the 2014 37th International Spring Seminar on Electronics Technology. IEEE, 2014, pp. 417-420
  6. Yordanov, Rumen, et al. "Design of a portable system for sensor data acquisition and transmission." 2017 XXVI International Scientific Conference Electronics (ET). IEEE, 2017.
  7. Yonchev E, Miletiev R. Arnaudov R. Algorithm for signal processing from an accelerometer measuring dynamics of interaction vehicle-railway track. Machines, tech-nologies, materials, International virtual journal, ISSN 1313-0226, ISSUE 8-9 / 2010, pp. 25-28.
  8. Dochev, Ivo Nikolaev, Liljana Emilova Docheva, and Stoycho Velizarov Manev. "Embedding of Communication and Measurement Equipment in Drones." 2018 IX National Conference with International Participation (ELECTRONICA). IEEE, 2018, pp. 1-4.
  9. Docheva, Liljana E., and Ivo N. Dochev. "Hardware and Software Modules for Education in Electronics Manufacturing." 2018 41st International Spring Seminar on Electronics Technology (ISSE). IEEE, 2018, pp 1-6.
  10. Nedelchev, Marin, and Aleksandar Kolev. "Synthesis of Planar Filters Using Defected Ground Structure Miniaturized Hairpin Resonators." Engineering, Technology & Applied Science Research 9.1 (2019): 3734-3738.
  11. Yordanov, Rumen, et al. "GPS/GPRS/INS system for real-time monitoring of the urban railway." Int. J. Transp. Syst 1 (2016): 48-52.
  12. Miletiev, Rosen, et al. "Hardware implementation of integrated navigation and inertial system." 2017 40th International Spring Seminar on Electronics Technology (ISSE). IEEE, 2017, pp. 1-4.
  13. Miletiev, Rosen, et al. "Design of miniature 9 DoF inertial module with GSM/GPRS and Bluetooth connectivity." 2017 40th International Spring Seminar on Electronics Technology (ISSE). IEEE, 2017, pp 1-4.

Books, textbooks, guides:
  1. R. Arnaudov, I. Dochev, S. Мanev, Analog schematics – textbook 237 pages, TU-Sofia, 2010 (in Bulgarian)
  2. V. Demirev, Mobile and personal satellite communications, 135 pages, TU-Sofia, 2010 (in Bulgarian)
  3. I. Iliev, Mobile communications, 365 pages, TU-Sofia, 2014 (in Bulgarian)

Awards, patents
  1. Request for "useful model" and "patent", no. 110646/050510 - System for operations recovery in a data center – Prof. Dr. Rumen Arnaudov.

Scientific-research projects:
  1. Contract No 1883-05-494, Development of a radio-channel control system for street lighting, Industry contract, Prof. Dr. Ilia Iliev;
  2. Contract No 102pd41-7, Vulnerability assessment and protection of a communications network for the transfer of medical information, Institutional project, Prof. Dr. Lidia Jordanova;
  3. No DTK02/2-2009, Development and research of an automated information and communication system based on inertial micromechanical sensors for real-time control of dynamic objects, National Science Fund of Republic of Bulgaria, Assoc. Prof. Dr. Rosen Miletiev;
  4. Contract No DVU_10_0346 - New technologies to improve the quality of multimedia information provided by cable radio communication systems, National Science Fund of Republic of Bulgaria, Prof. Dr. Lidia Jordanova;
  5. Wireless data transfer from sensors, Contract with Bulgarian Small and Medium Enterprises Promotion Agency (BSMEPA), Prof. Dr. Rumen Arnaudov;
  6. Automatic non-destructive control system, Contract with Bulgarian Small and Medium Enterprises Promotion Agency (BSMEPA), Prof. Dr. Rumen Arnaudov.

Antennas, microwave and optical devices and systems


Head:Assoc. Prof. Dr. Eng. Boncho Bonev
Members

  1. Assoc. Prof. Dr. Eng. Kalin Dimitrov
  2. Assoc. Prof. Dr. Eng. Peter Petkov
  3. Assist. Prof. Dr. Eng. Kliment Angelov
  4. Assist. Prof. Dr. Eng. Svetlin Antonov
  5. Assit. Prof. Tsvetan Valkovski

Teaching activities
Telecommunication specialty
The section supports the teaching activities on the following subjects studied by students from Radiocommunications and Audio and video systems specializations:
  1. Radio lines and radio waves
  2. Аntenna-fееder and microwave technics
  3. Optoelectronics and optical communications

Class laboratories
  1. Optoelectronics and optical communications, TU-Sofia, bldg.1, fl.2, lab.1257
  2. Radio lines and electromagnetic compatibility, TU-Sofia, bldg.4, fl.2, lab.4236
  3. Antenna and microwave technics,TU-Sofia, bldg.4, fl.6, lab.4602

Participation in scientific-research laboratories:
  1. Radiocontrol and ecological monitoring systems
  2. Communication systems electromagnetic compatibility

Scientific-research activities:
  1. Fiber-optic communication systems DWDM
  2. Passive optical networks (PON)
  3. Reception modules of communication systems built with fiber-optics
  4. Transmission modules of communication systems built with fiber-optics
  5. Statistical analysis of processes in communication systems buiil with fiber-optics
  6. Wireless optical communication systems. Link budget
  7. Probabilistic models for reliability prognosis of wireless optical systems at various atmospheric conditions
  8. Infrared radiometric systems for remote temperature measurement
  9. Optical systems for ecological monitoring
  10. Systems for estimation of the atmosphere's optical parameteres
  11. Automated design of optical systems
  12. Cellular radiocommunication systems GSM 900 and GSM 1800
  13. Cellular radiocommunication systems TETRA
  14. Cellular radiocommunication systems 3G - UMTS
  15. Radio-relay lines
  16. Networks for data transfer – WiFi and WiMAX (802.11b, 802.11a, 802.11g, 802.11n, 802.16e)
  17. Free-space laser communication systems
  18. TV and FM radio transmitters
  19. Digital Satellite Communication Systems VSAT
  20. Influence of the Earth's atmosphere on the propagation of radio waves
  21. Radio networks for data collection and control of remote objects
  22. Antennas and antennas grids design
  23. Design of radio-relay line
  24. Satellite link design (VSAT or TV broadcast)
  25. Radio transmitter coverage planning and evaluating its electromagnetic compatibility
  26. Мicrowave devices design (circulator, phaser, insulator, filter, attenuator, generator, amplifier)

Selected publications:
  1. Petkov, Peter Z., Miladin R. Kolev, and Boncho G. Bonev. "Fractal yagi antenna." 2015 Conference on Microwave Techniques (COMITE). IEEE, 2015, pp. 1-3.
  2. Petkov, Peter Z., and Boncho G. Bonev. "Analysis of a modified Sierpinski gasket antenna for Wi-Fi aplications." 2014 24th International Conference Radioelektronika. IEEE, 2014, pp 1-3.
  3. Bonev, Boncho, and Peter Z. Petkov. "Fractal J-pole antenna." 2016 26th International Conference Radioelektronika (RADIOELEKTRONIKA). IEEE, 2016, pp. 423-426
  4. Singh, Hitesh, et al. "Cloud attenuation model at millimeter frequency bands." 2017 International Conference on Infocom Technologies and Unmanned Systems (Trends and Future Directions)(ICTUS). IEEE, 2017, pp. 175-180.
  5. Patil, S., Petkov, P. Z., Bonev, B. G., & Singh, H. The design and modeling of wideband calculable standard rod-dipole reference antenna for broad bandwidth applications. In 2017 IEEE International Conference on Infocom Technologies and Unmanned Systems (Trends and Future Directions)(ICTUS), pp. 220-224, December 2017.
  6. Patil, Sarang, et al. "3-Axial EMC Field Probe Design Using Hexagonal Shaped Ultra Wide-Bandwidth Fractal Dipole Antenna for Frequency Range 0.5 to 12 GHz." 2018 IEEE International Conference on Environment and Electrical Engineering and 2018 IEEE Industrial and Commercial Power Systems Europe (EEEIC/I&CPS Europe), pp. 1-5, 2018.
  7. Singh, Hitesh, Ramjee Prasad, and Boncho Bonev. "Correction to: The Studies of Millimeter Waves at 60 GHz in Outdoor Environments for IMT Applications: A State of Art." Wireless Personal Communications (2018): 1-1.
  8. Singh, H., Bonev, B. G., Petkov, P. Z., & Patil, S. (2018, May). The Impact of Liquid Water Content over Different Seas of Europe on Satellite Communication. In 2018 IX National Conference with International Participation (ELECTRONICA), IEEE, pp. 1-4.
  9. Singh, Hitesh, Ramjee Prasad, and Boncho Bonev. "The Studies of Millimeter Waves at 60 GHz in Outdoor Environments for IMT Applications: A State of Art." Wireless Personal Communications 100.2 (2018): 463-474.
  10. Singh, Hitesh, Boncho Bonev, and Ashoak Chandra. "Effects of Atmospheric Impairments of Satellite Link Operating in Ka Band." Wireless Personal Communications 101.1 (2018): 425-437.
  11. Dimitrov, Kalin, and Yuliyan Velchev. "Infrared Array Sensor Wireless Network." 2018 International Conference on High Technology for Sustainable Development (HiTech). IEEE, pp. 1-4, 2018.
  12. Dimitrov, Kalin, Kaloyan Dzhedzhev, and Tsvetan Mitsev. "Enhancing Smart-home Environments Using Infrared Arrays." 2018 IX National Conference with International Participation (ELECTRONICA). IEEE, pp. 1-3, 2018.
  13. Antonov, Ivan, et al. "Fire extinguishing system in large underground garages." ASTESJ 2.3 (2017): 221-226.

Scientific-research projects:
  1. Wireless optical system for interconnection of end-users with the Internet and embedding within hybrid local networks, Assoc. Prof. Dr. Tsvetan Mitsev
2010 г.
  1. Intelligent Information System Supporting Observation, Searching and Detection for Security of Citizens in Urban Environment – FP-7, Assoc. Prof. Dr. Emil Altimirski
  2. Development of program and methodology for assessment of electromagnetic compatibility of base stations on mobile network, Contract with Vivacom, Assoc. Prof. Dr. Borislav Pankov
  3. Spatial Correlation Processing (SCP) in electronic beam scanning antenna systems and application in terrestrial and satellite radio communications systems, Contract with RaySat, Assoc. Prof. Dr. Veselin Demirev

Signals and systems


Head: Prof. Dr. Eng. Veska Georgieva
Members

  1. Assoc. Prof. Dr. Eng. Kalin Dimitrov
  2. Assist. Prof. Dr. Eng. Stanio Kolev
  3. Assist. Prof. Dr. Eng. Yulian Velchev
  4. Assist. Prof. Dr. Eng. Lyubomir Laskov
  5. Assist. Prof. Dr. Eng. Antonia Mihaylova

Teaching activities
Telecommunications specialty
The section supports teaching activities on the following subjects studied by students from Radiocommunications and Audio and video systems specializations:
  1. Signal and systems

Class laboratories
  1. Signal and systems laboratory, TU-Sofia, bldg.1, fl.2, lab.1256
  2. Telemedicine laboratory, TU-Sofia, bldg.1, fl.2, lab.1253

Scientific-research activities:
  1. Signals and systems modelling
  2. Signal processing
  3. Telemedicine
  4. Application of wavelet transforms for reducing signal noises
  5. Application of low-frequency electromagnetic signals in medical therapy

Selected publications:
  1. Georgieva, V., Nagy, S., Horvath, A., & Kamenova, E. (2015). An approach for pit pattern recognition in colonoscopy images. Egyptian Computer Science Journal, 39(2), 73.
  2. Iantovics, Laszlo Barna, Adrian Gligor, and Veska Georgieva. "Detecting Outlier Intelligence in the behavior of intelligent coalitions of agents." 2017 IEEE congress on evolutionary computation (CEC). IEEE, 2017, pp.241-248
  3. Mihaylova, Antonia, and Veska Georgieva. "Spleen segmentation in MRI sequence images using template matching and active contours." Procedia Computer Science 131 (2018): 15-22.
  4. Georgieva, Veska, and Ivo Draganov. "Multistage Approach for Simple Kidney Cysts Segmentation in CT Images." New Approaches in Intelligent Image Analysis. Springer, Cham, 2016. 223-251.
  5. Krzyszczak, J., Baranowski, P., Zubik, M., Kazandjiev, V., Georgieva, V., Sławiński, C., ... & Nieróbca, A. (2018). Multifractal characterization and comparison of meteorological time series from two climatic zones. Theoretical and Applied Climatology, 1-14.
  6. Petrov, P., & Georgieva, V. (2018, May). Vision-Based Line Tracking Control for Nonholonomic Differential-Drive Mobile Robots. In 2018 IX National Conference with International Participation (ELECTRONICA), IEEE, pp. 1-4.
  7. Krasimir, T., Sokolov, S., Velchev, Y., Balabanov, G., & Poulkov, V. Recognition of Human daily activities. In 2015 IEEE International Conference Communication Workshop (ICCW), 2015.
  8. Velchev, Y., & Manolova, A. Automatic sleep quality assessment based on EEG and EOG analysis and contextual classification. In 2015 IEEE 8th International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS), Vol. 1, pp. 265-270, September 2015.
  9. Jordanova, Lidia T., Lyubomir B. Laskov, and Dobri Dobrev. "Improvement of noise immunity of satellite DVB channel." International Journal of Reasoning-based Intelligent Systems 7.1-2 (2015): 70-77.
  10. Laskov, Lyubomir. "Convolutional codes with different constraint lengths and their application in DVB-S." Proceedings of the Seventh International Conference on Telecommunications and Remote Sensing. ACM, 2018, pp. 21-26.
  11. Georgieva, Veska, Antonia Mihaylova, and Plamen Petrov. "Prostate Segmentation in Ultrasound Images Using Hybrid Method." 2018 International Conference on High Technology for Sustainable Development (HiTech). IEEE, pp. 1-4, 2018.
  12. Georgieva, V., Petrov, P., & Mihaylova, A. Visual Marker Recognition with Application to Mobile Robot Localization. In 2018 IX National Conference with International Participation (ELECTRONICA), IEEE, pp. 1-4, May 2018.
  13. Mihailova, Antoniya, and Veska Georgieva. "Comparative Analysis Various Filters for Noise Reduction in MRI Abdominal Images." International Journal “Information Technologies & Knowledge” 10.1, 2016.

Scientific-research projects
  1. Physiotherapy system with automatic change of the magnetic field parameters in the human body; National Science Fund, Prof. Dr. Dimiter Dimitrov
  2. Physiotherapy apparatus, Contract with medical centers, Prof. Dr. Dimiter Dimitrov

Audio and videocommunications and technologies


Head: Prof. Dr. Eng. Snejana Pleshkova-Bekiarska
Members

  1. Assoc. Prof. Dr. Eng. Rumen Mironov
  2. Assoc. Prof. Dr. Eng. Ivo Draganov
  3. Assoc. Prof. Dr. Eng. Lilyana Docheva
  4. Assoc. Prof. Dr. Eng. Agata Manolova
  5. Assist. Prof. Dr. Eng. Nikolay Neshov
  6. Assist. Prof. Dr. Eng. Nicole Christoff

Teaching activities
Telecommunications specialty
The section supports teaching activities for the following subjects studied by students from specializations Radiocommunications and Audio and video systems:
  1. Digital Signal Processing
  2. Video and audio technics
  3. Digital Signal Processing in Communications
  4. Coding theory
  5. Audio and video technologies

Selected publications:
  1. Pleshkova, Snejana, et al. "Perception of Audio Visual Information for Mobile Robot Motion Control Systems." Computer Vision in Control Systems-2. Springer, Cham, 2015. 135-167.
  2. Pleshkova, Snejana, and Alexander Bekiarski. "Audio visual attention models in the mobile robots navigation." New Approaches in Intelligent Image Analysis. Springer, Cham, 2016. 253-294.
  3. Pleshkova, Snejana, and Zahari Zahariev. "Development of system model for audio visual control of mobile robots with voice and gesture commands." 2017 40th International Spring Seminar on Electronics Technology (ISSE). IEEE, pp. 1-4, 2017.
  4. Mironov, Rumen. "Adaptive interpolation and halftoning for medical images." Advanced Intelligent Computational Technologies and Decision Support Systems. Springer, Cham, 2014. 83-96.
  5. Mironov, Rumen. "Local Adaptive Image Processing." New Approaches in Intelligent Image Analysis. Springer, Cham, 2016. 295-330.
  6. Koleva, P., Tonchev, K., Balabanov, G., Manolova, A., & Poulkov, V. Challenges in designing and implementation of an effective Ambient Assisted Living system. In 2015 12th International Conference on Telecommunication in Modern Satellite, Cable and Broadcasting Services (TELSIKS), IEEE, pp. 305-308, October 2015.
  7. Tonchev, K., Koleva, P., Manolova, A., Tsenov, G., & Poulkov, V. Non-intrusive sleep analyzer for real time detection of sleep anomalies. In 2016 39th IEEE International Conference on Telecommunications and Signal Processing (TSP), pp. 400-404, June 2016.
  8. Manolova, A., Neshov, N., Panev, S., & Tonchev, K. Facial expression classification using Supervised Descent Method combined with PCA and SVM. In International Workshop on Biometric Authentication, Springer, Cham, pp. 165-175, June 2014.
  9. Manolova, Agata, et al. "Challenges in the Design of Smart Vehicular Cyber Physical Systems with Human in the Loop." Breakthroughs in Smart City Implementation. River Publishers, 2017. 165-186.
  10. Christoff, Nicole, et al. Feature extraction and automatic detection of Martian impact craters from 3D meshes. In: 2017 13th International Conference on Advanced Technologies, Systems and Services in Telecommunications (TELSIKS). IEEE, 2017. p. 211-214.
  11. Sechkova, Teodora; Tonchev, Krasimir; Manolova, Agata. Action unit recognition in still images using graph-based feature selection. In: 2016 IEEE 8th International Conference on Intelligent Systems (IS). IEEE, 2016, p. 646-650.
  12. Neshov, Nikolay; Manolova, Agata. Pain detection from facial characteristics using supervised descent method. In: 2015 IEEE 8th International Conference on Intelligent Data Acquisition and Advanced Computing Systems: Technology and Applications (IDAACS). IEEE, 2015, p. 251-256.
  13. Christoff, Nicole, et al. Level-set based algorithm for automatic feature extraction on 3D meshes: Application to crater detection on Mars. In: International Conference on Computer Vision and Graphics. Springer, Cham, 2018. p. 103-114.

Scientific-research projects
  1. “Forensic Image and Video Examination Support“(FIVES) Grant Nr. SIP-2008-TP-131801 of the European Commission, “Safer Internet Plus” Programme
  2. “Multimodal Biometric Analysis: methods and Algorithms”, financial support by the Ministry of Education and Sciences in Bulgaria (National Science Fund), Contract No BY-TH-202/2006 , (2006-2011), Assoc. Prof. Ognian Boumbarov, PhD
  3. “Audio-Video Information and Communication System for Active Surveillance Cooperating with Mobile Security Robot”, financial support by the Ministry of Education and Sciences in Bulgaria (National Science Fund), Contract No BY-I-302/2007 , (2007-2011), Prof. Alexander Bekiarski, PhD
  4. „Automated system for contactless magnet-powder control”, Contract № 3011-6 at R&D, TU-Sofia and the National Innovation Fund, 2006-2008, Prof. Roumen Kountchev, DSc
  5. Wireless data transfer from sensors, Contract with Bulgarian Small and Medium Enterprises Promotion Agency (BSMEPA); Prof. Dr. Rumen Arnaudov
  6. “New tools for information security based on efficient coding, analysis and hiding of multimodal biometric information”, SfP 982617, financial support by NATO, 2007, Prof. Roumen Kountchev, DSc
  7. “Methods and Algorithms for effective archiving and protection the authenticity of documents content”, Contract № VU-I-305 at R&D, TU-Sofia and the National Scientific Research Fund at MEYS, 2007-2010, Prof. Roumen Kountchev, DSc
  8. “Human Biometric Identification in Video Surveillance Systems”, financial support by the Ministry of Education and Sciences in Bulgaria (National Science Fund), Contract NoD002-41/2008, (2008-2011), Assoc. Prof. Ognian Boumbarov, PhD
  9. “Methods and Algorithms for adaptive image interpolation”, Contract № 08051ni-7/2008 at R&D, TU-Sofia, 2008, Prof. Roumen Kountchev, DSc
  10. “Biometric Identification in Intelligent Video Surveillance Systems”, financial support by the Science Fund, Technical University of Sofia, Contract No091pd017-7, (2009), Assoc. Prof. Boumbarov, PhD
  11. “Methods and Algorithms for 2D adaptive image processing”, Contract № 091ni110-07/2009 at R&D, TU-Sofia, 2009, Prof. Roumen Kountchev, DSc
  12. “ECG Analysis based on Linear Transforms”, financial support by the Science Fund, Technical University of Sofia, Contract No102pd110-7, (2010), Assoc. Prof. Ognian Boumbarov, PhD
  13. “Intelligent Human-Computer Interface based on Gaze Tracking”, financial support by the Science Fund, Technical University of Sofia, Contract No102ni168-7, (2010-2011), Assoc. Prof. Ognian Boumbarov, PhD
  14. "Electronic Health Records for Medical Decision Support in Romanian and Bulgarian National Healthcare Systems”, International Contract № DNTS 02/19 for international cooperation between Republic of Bulgaria and Republic of Romania, National Scientific Research Fund at MEYS, 2010-2012, Prof. Roumen Kountchev, DSc