Kosov, Sergey Gennadjewich

Dr. Sergey Kosov


CEO at Uvvo UG (haftungsbeschränkt)
30627 Hannover
Germany

Email: sergej.kosov@uvvo.eu
Phone: +49 511 8794-3234
Fax: +49 511 8794-9212
Research Areas:
  • Machine Learning
  • Computer Graphics
  • Virtual Reality
  • 3-D Stereo Reconstruction
  • Markov / Conditional Random Fields
  • Software / Movie Industry
Publications:
  • F. Kulwa, C. Li, M. Grzegorzek, M. M. Rahaman, K. Shirahama, S. Kosov:
    "Segmentation of Weakly Visible Environmental Microorganism Images Using Pair-wise Deep Learning Features" [Paper] [Bibtex] [Data]
    Biomedical Signal Processing and Control
    Volume 79, Part 2, January 2023
    2023
  • F. Kulwa, C. Li, J. Zhang, K. Shirahama, S. Kosov, X. Zhao, T. Jiang, M. Grzegorzek:
    "A New Pairwise Deep Learning Feature for Environmental Microorganism Image Analysis" [Paper] [Bibtex] [Data]
    Environmental Science and Pollution Research
    Volume 29, March 2022
    2022
  • J. Zhang, C. Li, S. Kosov, M. Grzegorzek, K. Shirahama, T. Jiang, C. Sun, Z. Li, H. Li:
    "LCU-Net: A Novel Low-Cost U-Net for Environmental Microorganism Image Segmentation" [Paper] [Bibtex]
    Pattern Recognition
    Volume 115, July 2021
    2021
  • S. Kosov, K. Shirahama, M. Grzegorzek:
    "Labeling of Partially Occluded Regions via the Multi-Layer CRF" [Paper] [Bibtex] [Project] [Data]
    Multimedia Tools and Applications
    Volume 78, Issue 2, January 2019
    2019
  • S. Kosov, K. Shirahama, C. Li, M. Grzegorzek:
    "Environmental Microorganism Classification Using Conditional Random Fields and Deep Convolutional Neural Networks" [Paper] [Bibtex] [Data]
    Pattern Recognition
    Volume 77, May 2018
    2018
  • A. C. Braun, C. Rojas, C. Echeverri, F. Rottensteiner, H.-P. Bähr, J. Niemeyer, M. A. Arias, S. Kosov, S. Hinz, U. Weidner:
    "Design of a Spectral-Spatial Pattern Recognition Framework for Risk Assessments Using Landsat Data - A Case Study in Chile" [Paper] [Bibtex]
    IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
    Volume 7, March 2014
    2014
  • S. Kosov, F. Rottensteiner, C. Heipke, J. Leitloff, S. Hinz:
    "The Application of a Car Confidence Feature for The Classification of Cross-Roads Using Conditional Random Fields" [Paper] [Bibtex] [Data]
    City Models, Roads and Traffic (CMRT 2013)
    Antalya, Turkey, November 2013
    2013
  • S. Kosov, F. Rottensteiner, C. Heipke:
    "Sequential Gaussian Mixture Models for Two-Level Conditional Random Fields" [Paper] [Bibtex] [Poster] [Data]
    35th German Conference on Pattern Recognition (GCPR 2013)
    Saarbrücken, Germany, September 2013
    2013
  • S. Kosov, F. Rottensteiner, C. Heipke:
    "3D Classification of Crossroads from Multiple Aerial Images Using Conditional Random Fields" [Paper] [Bibtex] [Presentation] [Data]
    Pattern Recognition in Remote Sensing (PRRS 2012)
    Tsukuba Science City, Japan, November 2012
    2012
  • S. Kosov, F. Rottensteiner, C. Heipke, J. Leitloff, S. Hinz:
    "3D Classification of Crossroads from Multiple Aerial Images Using Markov Random Fields" [Paper] [Bibtex] [ePoster] [Data]
    The XXII Congress of the International Society for Photogrammetry and Remote Sensing (ISPRS 2012)
    Melbourne, Australia, August 2012
    2012
  • S. Kosov, T. Thormählen, H.-P. Seidel:
    "Using Active Illumination for Accurate Variational Space-Time Stereo" [Paper] [Bibtex] [Video] [Poster] [Data]
    Scandinavian Conference on Image Analysis (SCIA 2011)
    Ystad, Sweden, May 2011
    2011
  • S. Kosov, T. Thormählen, H.-P. Seidel:
    "Rapid Stereo-Vision Enhanced Face Recognition" [Paper] [Bibtex] [Video] [Presentation] [Data]
    IEEE International Conference on Image Processing (ICIP 2010)
    Hong Kong, China, September 2010
    2010
  • S. Kosov, T. Thormählen, H.-P. Seidel:
    "Accurate Real-Time Disparity Estimation with Variational Methods" [Paper] [Bibtex] [Presentation]
    5th International Symposium on Visual Computing (ISVC 2009)
    Vegas, USA, November 2009
    2009
  • S. Kosov, K. Scherbaum, K. Faber, T. Thormählen, H.-P. Seidel:
    "Rapid Stereo-Vision Enhanced Face Detection" [Paper] [Bibtex] [Poster] [Data]
    IEEE International Conference on Image Processing (ICIP 2009)
    Cairo, Egypt, November, 2009
    2009
  • A. Bulavinov, S. Kosov, M. Kröning, R. Pinchuk, S. Pudovikov, S. V. Ramanan, K. M. Reddy, O. Jastribava, Y. Zhantlesov:
    "Die getaktete Gruppenstrahlertechnik und ihre Anwendungen" [Paper] [Bibtex]
    Seminar "Moderne Systemtechnik bei Prüfungen mit Ultraschall" des Fachausschusses "Ultraschall" der DGZfP
    Wuppertal, Germany, November, 2007
    2007
Teaching:
  • Lecture (FS 2019, 2020): Computer Graphics (Jacobs University, Bremen)
  • Lecture (FS 2020): Data Visualization and Image Processing (Jacobs University, Bremen)
  • Lecture (SS/FS 2020): Computer Networks (Jacobs University, Bremen)
  • Lecture (SS 2020): Machine Learning (Jacobs University, Bremen)
  • Lecture (SS 2020): Human-Computer Interaction (Jacobs University, Bremen)
  • Lecture (FS 2019): Web Analytics (Jacobs University, Bremen)
  • Tutorial (FS 2019): Programming in C and C++ (Jacobs University, Bremen)
  • Tutorial (SS 2013): Probabilistic Graphical Models (Leibniz University, Hannover)
  • Tutorial (SS 2011 - 2013): Image Analysis I (Leibniz University, Hannover)
Recent Positions:
  • August 2022 - now:
    CEO and founder at Uvvo UG (haftungsbeschränkt), Hannover, Germany
  • August 2019 - August 2022:
    University lecturer at Jacobs University, Bremen, Germany
  • July 2018 - August 2019:
    Head of Machine Learning at Tradimo Interactive, Copenhagen, Denmark
  • March 2017 - June 2018:
    CTO and co-founder at Reality 7 GmbH & Co. KG, Hamburg, Germany
  • January 2011 - July 2013:
    Research officer at the Leibniz Universität Hannover, Hanover, Germany
  • December 2009 - May 2010:
    Collaboration with the Microsoft Research Cambridge, Cambridge, U. K.
  • September 2008 - January 2011:
    Research officer at the Max-Planck-Institut für Informatik, Saarbrücken, Germany
  • July 2007 - September 2008:
    Research officer at the Fraunhofer Institute of non-Destructing Testing, Saarbrücken / Dresden, Germany
Education:
  • September 2008 - July 2018:
    Ph. D. student in Pattern Recognition at the Universität Siegen, Siegen, Germany
    Title of PhD thesis: "Multi-Layer Conditional Random Fields for Revealing Unobserved Entities" (supervisor: Prof. Dr. Marcin Grzegorzek) [PDF] [Bibtex]
  • October 2005 - April 2008:
    Studies in Computer Science at the Universität des Saarlandes, Saarbrücken, Germany
    Title of Master thesis: "3D Map Reconstruction with Variational Methods" (supervisor: Prof. Dr. Joachim Weickert) [PDF] [Bibtex]
  • September 1999 - June 2004:
    Studies in Applied Mathematics at the Kirgiz - Russian Slavic University, Bishkek, Kirgizstan.
    Title of the diploma thesis: "The application of the Method of an Additional Argument to the Problem of Isotropic Flow of Barotropic Gas" (supervisor: Prof. Dr. Sergey Alekseenko)
  • September 1989 - June 1999:
    Studies at high school
Awards:
  • Teacher of The Year Award, Bremen, Jacobs Universit, 2020
  • Best Poster prize, Manchester, British Machine Vision Association, the first place, 2012
  • Rendering Competition, Saarbrücken, University of Saarland, the first place, 2006
  • The best scientific paper, Bishkek, Kyrgyz-Russian Slavic University, the second degree, 2004
  • MasterSoft competition, Bishkek, International Ataturk-Alatoo University, the second place, 2003
Links:
  • Open Ray-Tracing library
  • Direct Graphical Models C++ library
  • Automatic Cross-Roads 3D Reconstruction
  • OpenCV contributor
  • Project X founder
  • Uvvo founder
Hobbies:
  • Photography / Painting
  • Mountain Bike
  • Alpine Skiing
  • Volleyball
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