Tihomir Trifonov, Tsvetanka Georgieva-Trifonova,
Application for Warehousing and OLAP Analysis of Data about Unique Bulgarian Bells,
TEM Journal – Technology, Education, Management, Informatics,
vol. 1, No. 4, 2012, pages 297-301.
Tihomir Trifonov, Tsvetanka Georgieva-Trifonova,
RDF-based approach to managing audio and video archive for unique Bulgarian bells,
In Proceedings of the Fifth International Scientific Conference
"Innovations in the technologies and the education",
Russia, 2012, pages 206-210 (in Russian).
(PDF)
Tihomir Trifonov, Tsvetanka Georgieva-Trifonova,
Warehousing and OLAP analysis of data about unique Bulgarian bells,
In Proceedings of the Forty First Spring Conference
of the Union of Bulgarian Mathematicians,
Borovets, 9-12.04.2012, pages 266-272.
(PDF)
Tihomir Trifonov, Georgi Dimkov, Rosen Dzhakov, Ivan Simeonov,
Research and identification of valuable bells of the national historic and cultural heritage of Bulgaria,
In Proceedings of the XXII Conference with International
Participation "Noise and Vibration", Nish, Serbia,
2010, pages 103-107.
(PDF)
Georgi Dimkov, Tihomir Trifonov, Ivan Simeonov, Tsvetanka Georgieva,
The bell’s sound in Bulgaria in the past and nowadays,
In Proceedings of the symposium on acoustics "Consonance-2009",
National Academy of Sciences, Kiev, Ukraine, 2009, page 26 (in Russian).
(PDF)
Georgi Dimkov, Tihomir Trifonov,
Church Bells - Part of The Cultural Heritage,
MASSEE International Congress on Mathematics, Ohrid, Macedonia, 2009.
(PDF)
Tihomir Trifonov, Tsvetanka Georgieva,
Application for Discovering the Constraint-based Association Rules in an Archive for Unique Bulgarian Bells,
European Journal of Scientific Research,
European Journals Inc., 2009, vol. 31, № 3, pages 366-371.
(PDF)
Tihomir Trifonov, Tsvetanka Georgieva,
Discovering the Constraint-based Association Rules in an Archive for Unique Bulgarian Bells,
In Proceedings of the Eleventh International Conference on science and technology "System Analysis and Information Technologies",
Kyiv, Ukraine, 2009, page 578.
(PDF;
PPT)
Tihomir Trifonov, Tsvetanka Georgieva,
Client/server system for managing an audio and video archive for unique Bulgarian bells,
WSEAS Transactions on Information Science and Applications, vol. 6, № 4, 2009, pages 660-669.
(PDF)
G. Dimkov, Al. Aleksiev, I. Simeonov, T. Trifonov, K. Simeonov,
Acoustical researches on historical valuable Bulgarian bells,
In Proceedings of the National Scientific Conference on Acoustics, Sofia, Bulgaria, 2008, pages 115-124 (in Bulgarian).
(PDF)
Tihomir Trifonov, Ivan Simeonov,
Unique Bulgarian bells sound field characteristics,
In Proceedings of the National Military Scientific Forum, Veliko Tarnovo, Bulgaria, 2008 (in Bulgarian).
(PDF)
Tihomir Trifonov, Tsvetanka Georgieva,
The bell chime - an acoustical, mathematical and technological challenge,
In Proceedings of the National Scientific Conference on Acoustics, Varna, Bulgaria, 2008, pages 17-22 (in Bulgarian).
(PDF)
Georgi Dimkov, Tihomir Trifonov,
The Sound of High Technologies,
International Scientific Conference on Informatics in the Scientific Knowledge, Varna, Bulgaria, 2008.
(PPT)
Kamen Simeonov, Tihomir Trifonov, Ivan Simeonov,
Measurement and identification of unique Bulgarian bells,
VIII National Scientific Conference on Metrology, 2008.
(PDF;
PPT)
Tihomir Trifonov, Tsvetanka Georgieva,
Web based approach to managing audio and video archive for unique Bulgarian bells,
In Proceedings of the Tenth International Conference on science and technology "System Analysis and Information Technologies",
Kyiv, Ukraine, 2008, page 325.
(PDF;
PPT)
Tihomir Trifonov, Georgi Dimkov, Galina Bogdanova,
Research and Identification of Valuable Bells of the Historic and Culture Heritage
of Bulgaria and Development of Audio and Video Archive with Advanced Technologies,
In Proceedings of the Sixth National Scientific Conference
"Libraries - Reading - Communications",
15-16.11.2007 (in Bulgarian).
Ivan Simeonov, Tihomir Trifonov, Zhivko Prodanov,
Wavelet transform in HF channels,
In Proceedings of the International Symposium on Radio Systems
and Space Plasma, Sofia, 2007.
(PDF)
Todor Todorov, Performance of an error correction scheme for image watermarking,
Proceedings of
the International Workshop OCRT, White Lagoon, Bulgaria, 2007, pages 233-236.
Galina Bogdanova, Tihomir Trifonov, Todor Todorov, Tsvetanka Georgieva,
Analyzing and security of the audio and video archive for unique Bulgarian bells,
In Proceedings of the Conference
"Europe as a cultural space",
Blagoevgrad,
2007 (in Bulgarian).
Galina Bogdanova, Tihomir Trifonov, Todor Todorov, Tsvetanka Georgieva,
Methods for Investigation and Security of the Audio and Video Archive for Unique Bulgarian Bells,
In Proceedings of the National Workshop on Coding Theory and Applications,
Blagoevgrad, 1-3.12.2006, page 5.
(PPT)
Seminars
Gencho Petkov, Software for photo/video processing (FotoStation), 03.11.2007.
Nikolay Vasilev, Practical work with the camera, 03.11.2007.
Gencho Petkov, Software for photo/video processing (PhotoShop), 02.11.2007.
Nikolay Vasilev, Structure of the modern digital camera, 02.11.2007.
Georgi Dimkov, Scale, mood, tonality, 01.11.2007.
Nikolay Vasilev, Basic theoretical formulations for video operational skill, 01.11.2007.
Georgi Dimkov, Musical temper and investigations of musician and mathematicians, 14.05.2007.
Other activities
Church-monument "St. Nativity of Jesus Christ", Shipka, movie of Elvira Zagorova, 2010.
(FLV)