VSA grupės darbuotojai



Akademijos st. 4, room 603
Vilnius, Lithuania

Head of the Group
dr. Povilas Treigys

Tel: +370 5 210 9311

Lab on social networks:

Image and Signal Analysis Group



Research fields

 Speech and language processing:

  • Speech signal modelling: autoregressive/linear prediction, fractal-based nonlinear modelling, source-filter models.
  • Speech recognition: segment-based speech recognition.
  • Speech emotion recognition: hierarchical classification of speech emotions, speech emotion features, feature selection.
  • Estimation of speech quality: acoustic analysis for quality estimation; estimation of vocal fold functionality; estimation of phonation level;
  • Signal model parameter assessment;
  • Development of sound mathematical models.

 Image and video signal processing:

  • Object recognition and segmentation.
  • Movement detection.
  • Optical flow analysis.
  • Image restoration.
  • Machine and deep learning methods development for image analysis.
  • Medical image analysis: ophthalmic, microscopy, cell classification, MRI data processing.

 Deep learning and big data analysis:

  • Abnormal marine traffic detection.
  • Tumour heterogeneity evaluation.


Science and Education

Phd Students

Name, Surname Supervisor Field of
Theme Time of study
Bernardas Čiapas Assoc. Prof. Dr. Povilas Treigys N 009   2019-2023
Justinas Jucevičius Assoc. Prof. Dr. Povilas Treigys T 007 Development of Magnetic Resonance Image Analysis
Algorithms for Prostate Cancer Detection and
Aggressiveness Evaluation
Mindaugas Morkūnas Assoc. Prof. Dr. Povilas Treigys,
Consultant Prof. Dr. Arvydas Laurinavičius
T 007 A Model for Tumour Genetic Profile and Tissue Biomarker
Expression Data Integration
Julius Venskus Assoc. Prof. Dr. Povilas Treigys,
Consultant Prof. Dr. Arūnas Andziulis
T 007 Application of Deep Learning Algorithms for Marine Traffic
Data Classification

 Defended PhD thesis:

  • Tatjana Liogienė "Hierarchical Classification of Speech Emotions", supervisor Gintautas Tamulevičius PhD, 2017.


  • Lithuanian state-funded project "Information Technologies for human Wellbeing - Clinical Decision support (E-Health)" 2003-2009.
  • Lithuanian state-funded project "Support of Clinical Decision Systems for e. Health System" 2007-2009.
  • Lithuanian state Science Foundation project "Development of Specialized data Analysis Methods for Heart Thermal Anisotropy Investigation" 2008.
  • Research service "Creation of a Model for the Recognition of Individual Lithuanian Words and Phrases" 2012-2013.
  • Researchers group project "Development and Inspection of the Prototype for the People with Disabilities Managed by Lithuanian Speech" 2012-2014.
  • EU  Structural funds project "Lithuanian Speech Guided Services" 2013-2015 m.
  • Eurosstars project "Production Efectiveness Navigator" 2011-2013.
  • Erasmus+ programme project "Partnerships to Ensure Risk Management in Practice" 2015-2016 m.
  • COST action CA15124 „A new Network of European BioImage Analysts to advance life science imaging (NEUBIAS)“. 2016-2020 m


The group was founded in 2017 by reorganizing the structure of the Institute of Mathematics and Informatics of Vilnius University.

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.

More information