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Rafayel Barseghyan
Position: Scientific Researcher

Phone: (+374 60) 623547

  Titles, Degree

Ph.D, technical science


Yerevan State University, Applied Mathematics, 2001 – 2005

  Professional Experience

Scientific Researcher   Institute for Informatics and Automation Problems of National Academy Sciences of Republic of Armenia (2008 – at present)
  Research Interests

Orthogonal transforms, mHealth, medical image processing, content based image retrieval systems

  Selected Publications

G. Karapetyan, R. Barseghyan, H. Sarukhanyan and S. Agaian, “Development and validation of an improved smartphone heart rate acquisition system”, Proc. SPIE 9399, Image Processing: Algorithms and Systems XIII, 93990Z (2015); doi:10.1117/12.2083381

R.Barseghyan, “Searching Images by Using Color Structure”, Mathematical Problems of Computer Science, vol. 39, pp. 101-105, 2013.

R.Barseghyan, “Efficient computation of subset of output points of FFT”, Mathematical Problems of Computer Science, vol. 33, pp. 48-53, 2010.

R. Barseghyan, H. Sarukhanyan, “New Approach to FFT algorithms”, Mathematical Problems of Computer Science, vol. 33, pp. 24-34, 2010.

R.Barseghyan, “Split-radix FFT algorithm with lifting steps”, Вестник РАУ, “Физико- математические и естественные науки”, pp. 41-50, 2009.

R.Barseghyan, “FFT with Lifting Transforms”, Четвертая годичная научная конференция, Российско-Армянский (Славянский) Университет, 2009.

H. Sarukhanyan, R. Barseghyan, “New Efficient FFT with Fewer Operations”, CSIT Conf., Yerevan, Armenia, pp. 351-354, 2009.

R.Barseghyan, “A Modified Algorithm of Fast Fourier Transform”, Mathematical Problems of Computer Science 32, 39 - 44, 2009.


We are pleased to announce that in the frame of the All4R&D project's second open call 26 courses in 6 categories are offered, as well as 4 innovative practices, free of charge. The courses are tailored-made, based on the assessed needs of students and professionals, and trends in the industry. The courses are co-created and are offered in joint collaboration of academic and business organizations from 6 countries (Armenia, Bosnia and Herzegovina, North Macedonia, Germany, Finland, and Austria).

All courses will be in English and employ innovative teaching methods.
Click here for more information.

Open Call for the participation of Young Researchers and Companies in Research projects

We are pleased to announce that the NPUA/IIAP Cooperative R&D Unit has open calls for researchers, MS/Ph.D students, and companies in two new international research projects:
  • Astronomical Objects Classification
  • Performance Optimization System for Hadoop and Spark Frameworks.
We are inviting all the interested parties to participate in these projects.
For more information please follow the link:

  • 0014, Yerevan, Republic of Armenia, 1, P. Sevak str.
  • Phone: (+37410) 28-20-30
  • Fax: (+37410) 28-20-50
  • E-mail: