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Nicolaie POPESCU-BODORIN   English   
 
  Personal data

Nicolaie POPESCU-BODORIN: CURRICULUM VITAE

Nicolaie POPESCU-BODORIN: Personal data

Nicolaie POPESCU-BODORIN: Education

Nicolaie POPESCU-BODORIN: Professional experience

Nicolaie POPESCU-BODORIN: Affiliations
Nicolaie POPESCU-BODORIN: Research & Publications
  • Name : Nicolaie
  • Surname : POPESCU-BODORIN
  • Date and place of birth : 29 Jan 1974, Rm-Sarat (Buzau), ROMANIA
  • Phone : 0722-882471
  • Contact: mail me now
 
  Education
  • from 2007 - PhD student, Digital Signal/Image Processing; University of Pitesti; Faculty of Mathematics and Computer Science;
  • 2003 - M.Sc. in Applied Mathematics, University Politehnica of Bucharest
  • 2001 - B.Sc. in Mathematics and Mechanics, University of Bucharest
 
  Professional experience
  • 2004-today: Teaching Assistant, Faculty of Mathematics and Computer Science, Spiru Haret University of Bucharest
  • 2007 Erasmus Coordinator, Spiru Haret University of Bucharest, Community Programmes Bureau
  • 2003-2004: Physics Teacher, 94 Elementary School, Bucharest
  • 2002-2003: Research Assistant, University Politehnica of Bucharest, Faculty of Electrical Engineering, FP5/IST 34058/CODESTAR Project
  • 2002-2003: Software developer, S.C. Romanian Tourism SRL
  • 2001-2002: Web programmer, Webincome Romania SRL
  • 2000-2001: DataBase Consultant, University of Bucharest
 
  Affiliations
 
  Research
  • 2007-2008
    Topic: Color Spaces, Median Filters, Image Quantization, Baseline JPEG encoding, Generic DCT-based compression techniques;
    Results:
    - new application/methods/algorithms:
      Fast K-Means Image Quantization;
      Iris Segmentation through Fast K-Means Quantization and Run-Length Filtering (simple ilustration can be foud HERE);
      Lossless DCT-Based Compression;
      Adaptive Quantization for Baseline JPEG Compression;

    - new ideas and theoretical approaches validated by practice:
      Principles of k-means optimal downsampling;
      Minimal image representation in the context of k-means chromatic clustering;

    - publication: Optimal Luminance-Chrominance Downsampling through Fast K-Means Quantization, accepted in 3rd Annual South East European Doctoral Student Conference (26-27 June, DSC 2008, Thessaloniki, GREECE), published in Proceedings of the 3rd Annual South East European Doctoral Student Conference, vol. 2, pp. 111-125, ISBN 978-960-89629-7-2, ISSN 1791-3578, South-East European Research Centre (SEERC, www.serc.org ), June 2008.

    Experimental Results:
    - experimentally determined thresholds for blocking-safe chroma downsampling/median filtering of RGB-24bit images;
    Implementation: Matlab
  • 2006-2007
    Topic: Digit Reversal Algorithms.
    Results:
    - publication: Bit Reversal through Direct Fourier Permutation Method and Vectorial Digit Reversal Generalization, ROMAI Journal, Proceedings of the 15th Conference on Applied and Industrial Mathematics (CAIM 2007), Romanian Society of Applied and Industrial Mathematics (ROMAI), october 2007.
    - new methods/algorithms: Vectorial Digit Reversal Algorithm – The Natural Generalization of Direct Fourier Permutation Algorithm (in print);
    - public software: VDRO - Matlab function implementing the Vectorial Digit Reversal Algorithm (Fast Digit Reversal)
    Implementation: Matlab
  • 2006-2007
    Topic: Fast Fourier Transform for digital signal processing.
    Results:
    - new methods/algorithms: Packed Unidimensional Fast Fourier Transform, Parallel Packed Unidimensional Fast Fourier Transform (in print);
    Implementation: Matlab
  • 2006-2007
    Topic: Bit Reversal Algorithms
    Results:
    - publication: Efficient (Implicit) Bit Reversal Ordering through Direct Fourier Permutation Method, Scientific Bulettin, No.12/2006, pp.133-154, University of Pitesti.
    - new concepts and notion: Fourier permutation, Additive constants of Fourier permutation
    - new methods/algorithms: Additive Constants Method, Direct Fourier Permutation Method
    - public software: DFP - Matlab function implementing the Direct Fourier Permutation Algorithm (Fast Bit Reversal)
    Implementation: Matlab
  • 2004-2006
    Topic: Secure software systems for software licensing
    Results: proprietary software
    Implementation: C, Delphi 2005
  • 2004-2006
    Topic: Classification/recognition of subsets of lage random populations of 15-length words defined over an 35-length alphabet.
    Results: proprietary software
    Implementation: C, Delphi 2005
  • 2004-2006
    Topic: Generators for grafic user interfaces coded in markup languages
    Results: proprietary software
    Implementation: C, Delphi 2005
  • 2003
    Topic: Reduced Order Models, Lanczos methods.
    Grant: FP5/IST 34058/CODESTAR
    Results:
    - Pade approximation via matriceal Lanczos algorithm for MIMO systems; Lanczos algorithm as Arnoldi algorithm generalization.
    - Publication: Implicit moments matching through Krylov subspaces projections methods. Lanczos methods.
    Research & Project Coordinator: Prof. Daniel IOAN, University Politehnica of Bucharest, Faculty of Electrical Engineering
  • 2002
    Topic: Reduced Order Models, Arnoldi methods.
    Grant: FP5/IST 34058/CODESTAR
    Results:
    - Pade approximation via Arnoldi algorithm.
    - Publication: Implicit moments matching through Krylov subspaces projections methods. Arnoldi methods.
    Research & Project Coordinator: Prof. Daniel IOAN, University Politehnica of Bucharest, Faculty of Electrical Engineering
 
  Publications
  • 2008: Nicolaie Popescu-Bodorin, Luminita State, Optimal Luminance-Chrominance Downsampling through Fast K-Means Quantization, Proceedings of the 3rd Annual South East European Doctoral Student Conference, vol. 2, pp. 111-125, ISBN 978-960-89629-7-2, ISSN 1791-3578, South-East European Research Centre (SEERC, www.serc.org ), June 2008.
  • 2007: Nicolaie Popescu-Bodorin, Bit Reversal through Direct Fourier Permutation Method and Vectorial Digit Reversal Generalization, ROMAI Journal, Proceedings of the 15th Conference on Applied and Industrial Mathematics (CAIM), Romanian Society of Applied and Industrial Mathematics (ROMAI), october 2007.
  • 2007: Nicolaie Popescu-Bodorin, Efficient (Implicit) Bit Reversal Ordering through Direct Fourier Permutation Method, Scientific Bulettin, No.12/2006, pp.133-154, University of Pitesti.
  • 2004: Zenovic Gherasim, Maria Andronie, Nicolaie Popescu-Bodorin, Informatica manageriala, Spiru Haret University, Editura Fundatiei România de Mâine, Bucharest, 256 p., 2004.
  • 2003: Constantin Vârsan, Nicolaie Popescu-Bodorin, Stochastic Hamiltonians Associated with Stochastic Differential Equations and Non-Smooth Final Value, Institute of Mathematics of the Romanian Academy (IMAR), Mathematical Reports, vol. 5, no. 4, 2003.
  • 2003: Nicolaie Popescu-Bodorin, Implicit moments matching through Krylov subspaces projections methods. Lanczos methods, University Politehnica of Bucharest, Scientific Bulletin, Series A: Applied Mathematics and Physics, ISSN 1223-7027, vol.64, issue no.3, pp. 31-42, 2002.
  • 2002: Nicolaie Popescu-Bodorin, Implicit moments matching through Krylov subspaces projections methods. Arnoldi methods, University Politehnica of Bucharest, Scientific Bulletin, Series A: Applied Mathematics and Physics, ISSN 1223-7027, vol.64, issue no.2, pp. 35-44, 2002.
 
 
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