Resume

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CONTACT INFORMATION
Signal Processing Laboratory  
Griffith School of Engineering +61 7 3735 3754
Griffith University, Nathan, Queensland, Australia kamil.wojcickiREMOVE_THIS_TEXT@REMOVE_THIS_TEXTieee.org

RESEARCH INTERESTS

Speech processing, speech enhancement, speech and speaker recognition, speech perception, machine learning and pattern recognition.

EDUCATION
Griffith University, Nathan, Queensland, Australia February 2005 — present

Doctor of Philosophy

  • Expected graduation date: July 2010
  • Advisors: Prof. Kuldip Paliwal and Dr. Stephen So
Griffith University, Nathan, Queensland, Australia February 2000 — April 2005

Bachelor of Engineering in Microelectronic Engineering (Hons), Bachelor of Information Technology

  • Majors: Computing Science, Computer Systems

HONOURS AND AWARDS
  • Best Paper Award, Griffith School of Engineering Research Conference, Nathan, 2007
  • Australian Research Council (ARC) Postgraduate Research Scholarship, Nathan, 2005-2010
  • Scholarship for Outstanding Academic Achievement, Griffith University, Nathan, 2000
  • National Mathematics Summer School, The Australian National University, Canberra, 2000, 1999
  • Certificate of Excellence for Outstanding Academic Achievement, University of Tasmania, 1999
  • Award for Best Design, Electronics Competition, The Electronics Educators Association, 1998

PUBLICATIONS
  • Paliwal, K.K., Wójcicki, K.K. and B. Schwerin. Single-channel speech enhancement using spectral subtraction in the short-time modulation domain. Speech Communication, 2010. (In Press, Accepted Manuscript)
  • Paliwal, K.K., Schwerin, B. and K.K. Wójcicki. Modulation domain spectral subtraction for speech enhancement. In Proceedings of the 10th European Conference on Speech Communication and Technology (INTERSPEECH), Brighton, U.K., pp. 1327-1330, Sep 2009.
  • So, S., Wójcicki, K.K., Lyons, J.G., Stark, A.P. and K.K. Paliwal. Kalman filter with phase spectrum compensation algorithm for speech enhancement. In Proceedings of the 34th International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Taipei, Taiwan, Apr 2009.
  • Paliwal, K.K., Shannon, B.J., Lyons, J.G. and K.K. Wójcicki. Speech-signal-based frequency warping. IEEE Signal Processing Letters, Vol. 16, No. 4, pp. 319-322, Apr 2009.
  • Paliwal, K.K. and K.K. Wójcicki. Effect of analysis window duration on speech intelligibility. IEEE Signal Processing Letters, Vol. 15, pp. 785-788, 2008.
  • Stark, A., Wójcicki, K.K., Lyons, J.G. and K.K. Paliwal. Noise driven short time phase spectrum compensation procedure for speech enhancement, In Proceedings of the 10th International Conference on Spoken Language Processing (INTERSPEECH-ICSLP), Brisbane, Australia, pp. 549-552, Sep 2008.
  • Wójcicki, K.K., Milacic, M., Stark, A., Lyons, J.G. and K.K. Paliwal. Exploiting conjugate symmetry of the short-time Fourier spectrum for speech enhancement. IEEE Signal Processing Letters, Vol. 15, pp. 461-464, 2008.
  • Wójcicki, K.K. and K.K. Paliwal. On the relative importance of the short-time magnitude and phase spectra towards speaker dependent information, In Proceedings of the ISCA Tutorial and Research Workshop (ITRW), Aalborg, Denmark, Jun 2008.
  • Wójcicki, K.K. and K.K. Paliwal. Effect of the dynamic range of an analysis window on phase-only and magnitude-only speech reconstruction for human speaker verification. In Proceedings of the Griffith School of Engineering Research Conference (GSERC), Brisbane, Australia, Oct 2007.
  • Wójcicki, K.K., So, S. and K.K. Paliwal. The effect of the additivity assumption on time and frequency domain Wiener filtering for speech enhancement. In Proceedings of the 8th European Conference on Speech Communication and Technology (INTERSPEECH), Antwerp, Belgium, pp. 798-601, Aug 2007.
  • Wójcicki, K.K. and K.K. Paliwal. Importance of the dynamic range of an analysis window function for phase-only and magnitude-only reconstruction of speech. In Proceedings of the 32nd International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Honolulu, Hawaii, USA, Vol. IV, pp. 729-733, Apr 2007.
  • Wójcicki, K.K., Shannon, B.J. and K.K. Paliwal. Spectral subtraction with variance reduced noise spectrum estimates. In Proceedings of the 11th Australasian International Conference on Speech Science and Technology (SST), Auckland, New Zealand, pp. 76-81, Dec 2006.

PROFESSIONAL EXPERIENCE

Qibt Navitas, Mount Gravatt, Queensland, Australia June 2009 — present

Lecturer
Lecturer for undergraduate courses in mathematics and computer science for international students.

Griffith University, Nathan, Queensland, Australia February 2005 — present

Teaching Assistant

  • Unix Systems
  • Signals and Systems
  • Digital Signal Processing
  • Statistical Signal Processing
  • Introduction to Programming with Matlab

Examination Invigilator

Hewlett Packard, Milton, Queensland, Australia June 2004 — present

Server Specialist
Enterprise data center deployments, relocation and servicing for clients such as Cement Australia, Gold Coast City Council, Queensland Health, Queensland Investment Corporation (QIC), Queensland Ombudsman’s Office and Bain Gasteen Lawyers.

Field Services Engineer
Workstation deployments for clients such as AMCOR, Blake Dawson Waldron, Bank of Queensland, Pindara Private Hospital and others.

Fujitsu, Newstead, Queensland, Australia April 2002 — December 2003

Field Services Engineer
Point-of-sale deployments for various clients, including Queensland Transport, Coles, Woolworths and Commonwealth Bank business centers.

COMPUTER SKILLS
  • Programming: Linux shell scripting, Matlab, C/C++/C#, Qt, PBS, SQL, Java, Perl, .NET, Scheme (GIMP)
  • Statistical Packages: SPSS, SHAZAM, Statistics Toolbox (Matlab)
  • Publishing: LATEX2e

REFEREES

Available on request