Prof. Sviatoslav Voloshynovskiy


slava_photo.jpg Stochastic Information Processing (SIP) group
Computer Vision and Multimedia Laboratory
Computer Science Department,
University of Geneva
Battelle campus, Building A
7, route de Drize
CH-1227 Carouge (Geneva), Switzerland
Phone:+41(22)379 0158
fax:+41(22)379 0079

For more details, visit:



Current projects

  • snf.jpg Reliable and secure forensic authentication based on random projections and distributed coding.
  • snf.jpg Secure unclonable identification/authentication codes based on natural randomness.
  • logoim2_home.jpg IM2(Interactive Multimodal Information Management) projects (The National Center of Competence in Research) in part of Information-theoretic multimodal signal processing (multimodal identification and authentication).

* CRADA: industrial project with Anteleon Imaging (University of Geneva spin-off) (2009-2010).

Former projects

  • snf.jpg Professorship project (extended): Documents and brands protection based on digital data-hiding technologies.
  • snf.jpg Professorship project: Stochastic detection of hidden data.
  • snf.jpg Information-theoretic document authentication and self-recovering based on
    digital data-hiding.
  • SIMILAR: Network of Excellence, EU project.
  • ecrypt_home.jpg ECRYPT: Network of Excellence, EU project (WAVILA).
  • CRYMEDA-SA CTI project on Crystal marking based encryption and document authentication security architecture for brand protection (2002-2003).
  • snf.jpg SNF project Generalized stochastic image modeling for image denoising, restoration and compression (2002-2003).
  • CERTIMARK: EU project on Certification of watermarking techniques (2000-2002).
  • CRADA: industrial project with Digital Copyright Technologies (DCT) (2000-2001).

Editorial duties:


PhD student supervision

Current PhD students

  • Maurits Diephuis
  • Dimche Kostadinov
  • Sohrab Ferdowsi
  • Farzad Farhadzadeh
  • Saoussen Belhassen

Former PhD students

  • Rostyslav Kuzyakiv (PhD, 2013)
  • Fokko Beekhof (PhD, 2012) - Latsis prize for the best PhD of year 2013
  • Taras Holotyak (PhD, 2012)
  • Frederic Schoenahl (PhD, 2011)
  • Renato Villan (PhD, 2008)
  • Emre Topak (PhD, 2007)
  • Jose Vila Forcen (PhD, 2006)
  • Teodor Alecu (PhD, 2005)
  • Mohammad Reza Ay (PhD, 2005)
  • Oleksiy Koval (PhD, 2004)
  • Frederic Deguillaume (PhD, 2002)


  • 1988-1993 : Student, Lviv Polytechnic Institute (Ukraine), Radio Engineer Degree with honour. Topic of Diploma “Elaboration and Computer Simulation of Radar Object Recognition Method”;
  • 1993-1995 : researcher, Lviv Research Radio Engineering Institute (Ukraine): I worked on signal and image analysis problems for object detection, tracking and recognition in radar and radiometry applications, antenna design and inverse problems;
  • 1993-1996 : PhD student, State University “Lvivska polytechnika” (Ukraine), Faculty of Radio Engineering. Topic of PhD “Radiometry imaging system with adaptive-parametric signal processing” (Prof. Z. Grytskiv and Dr. I.Pruduys);
  • 1996-1997 : collaborate with Institute for Condensed Matter Physics, National Academy of Science of Ukraine (Lviv, Ukraine) (Profs. M.Shovgenuk and M.Kozlovskiy): I worked on visual infromation encryption, styganography and encoding for author copyright protection;
  • 1996-2002 : Lecturer and later Associate Professor, State University “Lvivska polytechnika” (Ukraine), Faculty of Radio Engineering, Department of Radio Engineering Devices; member of Microwave Imaging Group (Dr. I. Pruduys) and Digital Signal and Image Processing Group (Prof. Z. Grytskiv);
  • August 1998 - January 1999: Postdoctoral Research Associate at Coordinated Science Laboratory , University of Illinois at Urbana-Champaign (USA) and collaborated with Image Formation and Processing Group at Backman Institute. I was participating in DARPA project “Design and Optimization of Passive and Active Imaging Radar” (Profs. R. Blahut, Y. Bresler, P. Moulin and D. Munson);
  • February 1999-now : Department of Computer Science, University of Geneva. Currently as an Associate Professor.

Research Interests

Current research:

  • privacy preserving search in large scale distributed systems;
  • privacy preserving identification and authentication;
  • fast algorithms for multimedia data search, copy detection and identification in large databases;
  • attacks against watermarking and privacy preserving systems;
  • statistical machine learning and universal hypothesis testing;
  • robust hashing and physical unclonable features;
  • information-theoretic aspects of data-hiding;
  • security analysis of data-hiding codes and robust hashing;
  • secure identification and authentication codes.

Previous research covers the following topics:

  • Radar and radiometry imaging systems;
  • Antenna design and sensor planning for imaging applications;
  • Bayesian image restoration and denoising;
  • Robust estimators and inverse problems;
  • Stochastic image modeling;
  • Image steganography, watermarking and data-hiding;
  • Coding in distributed networks;
  • Information-theoretic multimodal signal processing.

Developed tools:

  • privacy preserving multimedia search;
  • item identification based on physical unclonable functions;
  • hybrid robust digital watermarking and tamper proofing: BERKUT 1.0 and 2.0;
  • document authentication after media conversion: upcoming BERKUT 3.0;
  • text embedding for electronic (Word, pdf, ps) and printed document authentication: StegoText;
  • joint visual scrambling and error resilient coding;
  • low-rate facial image compression for biometric person authentication.

Fellowship and Awards

  • 1996: The Young Scientists award for participation in XXV General Assembly of the International Union of Radio Science (Lille, France), 1996.
  • 1998: The Best Young Author Paper “Adaptive Aperture Formation Matched with Radiometry Image Spatial Spectrum” (in co-authorship with T. Holotyak) on XII IEEE International Conference on Microwaves & Radar, MIKON'98, Krakow, Poland, May 20-22, 1998.
  • 2002: The best paper award of ITG 2002 for the paper of Year 2001.
  • 2003: Awarded SNF Professorship grant.
  • 2007: Awarded extended SNF Professorship grant for the career development.


members/sviatoslavvoloshynovskiy.txt · Last modified: 2014/03/04 11:51 by sssohrab
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