Research and Publication

Papers published in refereed journals

  • Nika V, Babyn P, Zhu H, Change Detection of Medical Images for Three Dimensional Volumetric Data. J Theor Comput Sci 2: 135. doi:10.4172/jtco.1000135, 2015
  • Nika, V., Babyn, P., Zhu, H., Change detection of medical images using dictionary learning techniques and principal component analysis. J. Med. Imag., Vol. 1, issue 2, pp 024502, 2014
  • Nika, V., Babyn, P., and Zhu, H., EigenBlock Algorithm for Change Detection An Application of Adaptive Dictionary Learning Techniques,” Journal of Computational Science, Vol. 5, Issue 3, pp 527 - 535, 2013

Related Conference Proceedings

  • Nika, V., Babyn, P., Zhu, H. AEDL Algorithm for Change Detection in Medical Images An Application of Adaptive Dictionary Learning Techniques, in Proc. 15th Int. Conf. on Medical Imaging Computing and Computer-Assisted Intervention, MICCAI: STMI, pp 14-21, 2012.
  • Nika, V., Babyn, P., and Zhu, H., Change Detection of Medical Images Using Dictionary Learning Techniques and PCA, Medical Imaging 2014: Computer Aided Diagnosis, in Proc. of SPIE Vol. 9035, 903506, 2014.

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Papers in Preparation

  • Subspace – based learning using Structure Principle Component Analysis (SPCA)

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Research Funding

  • February 2011– September 2011: MITACS, Grant, $30,000.

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Conference Presentations

Presentations as Invited Conference Speaker

  • EigenBlockCD-2: A Change Detection Algorithm of Medical Images Using Dictionary Learning Techniques and PCA, Southern Ontario Numerical Analysis Day 2014 (SONAD), York University, Thursday May 15, 2014
  • Change Detection of Medical Images Using Dictionary Learning Techniques and PCA, Medical Imaging 2014: Computer Aided Diagnosis, San Diego, February, 2014
  • Change Detection of MR images using EigenBlockCD Algorithm, SharcNet Research Day, Sheridan College, May 16, 2013
  • Algorithm for Change Detection in Medical Images, (AEDL), An Application of Adaptive Dictionary Learning Techniques, Conference on Medical Imaging Computing and Computer-Assisted Intervention, MICCAI: STMI, Nice, France, October 2012
  • Adaptive EigenBlock Dictionary Learning (AEDL-CD) Algorithm for Change Detection in Medical Images, SharcNet Research Day, University of Guelph, May 23, 2012

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 Presentations in Minisymposia / Themed Conference Sessions

  • EigenBlockCD-3D Algorithm for 3 Dimensional MR Volumetric Images, Minisymposium on Mathematics and Medical Imaging I, 4th Canadian Applied and Industrial Mathematics Society Annual Meeting, CAIMS, Delta Bessborough Hotel, Saskatoon, June 22 to 26, 2014
  • Denoising With Adaptive Eigenblock Dictionary Learning, Fields Institute for Research in Mathematical Sciences, Toronto, Canada, July, 2012
  • Detecting Current Density Vector Coherent Movement, Industrial Problem-Solving Workshop on Medical Imaging, Fields Institute for Research in Mathematical Sciences, Toronto, Canada, August 2012

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Presentations in Mathematics Education Themed Conferences

  • Why Are We Promoting Mathematical Modeling in Canadian High Schools?, Fields Institute, MathEd Forum: October 28, 2017
  • Creating a Provocative Context of Learning Mathematics with Rich Mathematics Topics, For the Love of Math and Computer Science (FTLOMACS), Faculty of Mathematics, University of Waterloo, October 2017
  • Using a Digital Data Driven approach to explore misconceptions in Grade 9 mathematics, Ontario Association of Mathematics Educators Annual Conference, OAME, May 2017
  • Enrichment in Mathematics – Training Teachers and Students for Math Contests and Olympiads, Toronto Educators Association for Mathematics Annual Conference, TEAMS, October 2014, Toronto
  • Enrichment in Mathematics – Training Teachers and Students for Math Contests and Olympiads, Ontario Association of Mathematics Educators Annual Conference, OAME, May 2015
  • Analytic Geometry and Rene Descartes – Curve Sketching Devices, Toronto Educators Association for Mathematics Annual Conference, TEAMS, October 2012
  • Bringing Reality into the Classroom – Form Traditional Paper and Pencil to Dynamic Learning Environment, Canadian Applied and Industrial Mathematics Annual Meeting, CAIMS, June 24-28, 2012
  • Using Technology to Increase Student Engagement in Mathematics – GSP(Geometer SketchPad), Ontario Association of Mathematics Educators, Annual Conference, OAME, May 2012
  • Some Theorems and Formulas Seem Much More Difficult Than They Really Are, Ontario Association of Mathematics Educators, Annual Conference, OAME, May 2008

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Selected Seminar and Industrial Projects

  • Applications of Compressed Sensing in Medical Imaging: Investigated the recent methods and algorithms used in Medical Imaging, York University, May 2011.
  • The Effect of Media Coverage on the Secondary Infection of an Epidemic: Created and analyzed a mathematical model that studied the effect of media coverage during an epidemic, April 2010, York University.
  • Evaluation of TDF (Target Date Funds), York University, April 2010
  • Particles Influence on Air Flow and Thickness of Final Layer of Resin in Electrostatic Painting, York University, February 2010.
  • Wavelet Transform in Medical Image Processing, York University, December 2009.
  • Photo-Acoustic Image Reconstruction (PAI) Algorithms, November 2009.