About Me

Alexander Wong

Department of Systems Design Engineering
University of Waterloo, Canada
Email: a28wong 'at' engmail.uwaterloo.ca

Professional Affiliations

Curriculum Vitae
Artist rendition

Research

Research Interests

Research Publications

    Journal Publications


  1. Alexander Wong and Jeff Orchard, Efficient FFT-Accelerated Approach to Invariant Optical-LIDAR Registration, accepted in IEEE Transactions on Geoscience and Remote Sensing, 2008.
  2. Alexander Wong and Jeff Orchard, Robust Multimodal Registration using Local Phase Coherence Representations, in Journal of Signal Processing Systems: Special Issue on Biomedical Imaging (Springer), 2008. [Click here to view]
  3. Alexander Wong, Adaptive Bilateral Filtering of Image Signals using Local Phase Characteristics, in Signal Processing, Vol. 88, No. 6, pp. 1615-1619, 2008. [Click here to view]
  4. Alexander Wong, A Visual-Inertial Controller Approach to Improving Immersion in 3D Video Games, in Journal of CGSA, Vol. 1, No. 2, 2008. [Click here to view]
  5. Alexander Wong and William Bishop, Efficient Least Squares Fusion of MRI and CT Images Using a Phase Congruency Model, in Pattern Recognition Letters, Vol. 29, No. 3, pp. 173-180, 2008. [Click here to view]
  6. Alexander Wong and William Bishop, Practical Perceptually Adaptive Texture Map Compression for 3D Video Games, Journal of Game Development, Vol. 2, No. 4, pp. 5-23, 2007. [Click here to view]
  7. Alexander Wong and David Clausi, ARRSI: Automatic Registration of Remote Sensing Images, in IEEE Transactions on Geoscience and Remote Sensing, Vol. 45, No. 5, Part II, pp. 1483-1493, 2007. [Click here to view]
  8. Alexander Wong and William Bishop, Perceptually-Adaptive Image Super-resolution using Statistical Methods, in WSEAS Transactions on Signal Processing, vol. 3, pp. 44-49, January 2007. [Click here to view]


    9. Conference Publications


  9. Alexander Wong David Clausi, and Paul Fieguth, Phase-Adaptive Image Signal Fusion using Complex-valued Wavelets, accepted to International Conference on Pattern Recognition (ICPR), 2008.

  10. Alexander Wong Akshaya Mishra, Paul Fieguth, and David Clausi An Adaptive Monte Carlo Approach to Nonlinear Image Denoising, accepted to International Conference on Pattern Recognition (ICPR), 2008.

  11. Alexander Wong, Simultaneous Multi-modal Registration of Multiple Images based on Multi-Dimensional Joint Phase Moment Distributions, accepted to International Conference on Pattern Recognition (ICPR), 2008.

  12. Alexander Wong and David Clausi, Automatic Registration of Inter-band and Inter-sensor Images using Robust Complex Wavelet Feature Representations, accepted to IAPR Workshop on Pattern Recognition in Remote Sensing (PRRS), 2008.

  13. Alexander Wong and William Bishop, Robust Edge Detection Based on Non-Local Contribution of Local Frequency Characteristics, accepted to IEEE International Symposium on Multimedia, 2008.

  14. Alexander Wong and William Bishop, Deblocking of Block-Transform Compressed Images Using Phase-adaptive Shifted Thresholding, accepted to IEEE International Symposium on Multimedia, 2008.

  15. Alexander Wong and Akshaya Mishra, Adaptive nonlinear image denoising and restoration using a cooperative Bayesian estimation approach, accepted to The IEEE Indian Conference on Computer Vision, Graphics and Image Processing (IEEE ICVGIP), 2008.

  16. X. Wang, P. Ho, and Alexander Wong, Towards Efficient Spectrum Sensing for Cognitive Radio Through Knowledge-Based Reasoning, accepted to IEEE International Symposium on Dynamic Spectrum Access Networks 2008 (IEEE DySPAN 2008), 2008.

  17. Alexander Wong, Akshaya Mishra, Paul Fieguth, David Clausi, Nadine M. Dunk, Jack P. Callaghan, Shape-Guided Active Contour Based Segmentation and Tracking of Lumbar Vertebrae in Video Fluoroscopy Using Complex Wavelets, accepted to Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE EMBC), 2008.

  18. Akshaya Mishra, Alexander Wong, Wen Zhang, Paul Fieguth, and David Clausi, Improved Interactive Medical Image Segmentation using Enhanced Intelligent Scissors (EIS), accepted to Annual International Conference of the IEEE Engineering in Medicine and Biology Society (IEEE EMBC), 2008.

  19. Alexander Wong, Paul Fieguth, and David Clausi, A Perceptually-adaptive Approach to Image Denoising using Anisotropic Non-Local Means, accepted to IEEE International Conference on Image Processing (ICIP), 2008.

  20. Alexander Wong and Jeff Orchard, An Adaptive Non-local Means Approach to Exemplar-based Inpainting, accepted to IEEE International Conference on Image Processing (ICIP), 2008.

  21. Alexander Wong, Illumination Invariant Active Contour-based Segmentation using Complex-valued Wavelets, accepted to IEEE International Conference on Image Processing (ICIP), 2008.

  22. Jeff Orchard, Mehran Ebrahimi, and Alexander Wong, Efficient Nonlocal-Means Denoising using the SVD, accepted to IEEE International Conference on Image Processing (ICIP), 2008.

  23. Alexander Wong and William Bishop, Robust Hough-Based Symbol Recognition using Knowledge-based Hierarchical Neural Networks, in the proceedings of International Conference on Image Processing, Computer Vision, and Pattern Recognition, 2008. [Click here to view]
  24. Alexander Wong and William Bishop, Efficient and Robust Approach to Simultaneous Non-rigid Image Registration and Gamma Estimation in the Frequency Domain, in the proceedings of International Conference on Image Processing, Computer Vision, and Pattern Recognition, 2008. [Click here to view]
  25. Alexander Wong, An Iterative Approach to Improved Local Phase Coherence Estimation, in the proceedings of CRV 2008, May 2008. [Click here to view]
  26. Alexander Wong and William Bishop, Perceptually-Adaptive Color Enhancement of Still Images for Dichromacy Deficiencies, in the proceedings of IEEE CCECE 2008: Symposium on Signal and Multimedia Processing, May 2008.
  27. Martin Hansen, William Bishop, Adam Bellemaire, and Alexander Wong, Decompressing Perceptually Adaptive Normal Map Compression (PANMC) Images in Hardware, in the proceedings of IEEE CCECE 2008: Symposium on Signal and Multimedia Processing, May 2008.
  28. Alexander Wong and Andrew Kennings, Adaptive Multiple Texture Approach to Texture Packing for 3D Video Games, in the proceedings of ACM FuturePlay 2007, Toronto, Ontario, November 2007. [Click here to view]
  29. Alexander Wong and William Bishop, Robust Invariant Descriptor for Symbol-Based Image Recognition and Retrieval, in the proceedings of the IEEE International Conference on Semantic Computing, Irvine, California, September 2007. [Click here to view]
  30. Alexander Wong and William Bishop, Adaptive Large Scale Artifact Reduction in Edge-Based Image Super-Resolution, in the proceedings of the IASTED International Conference on Signal and Image Processing, Honolulu, Hawaii, August 2007. [Click here to view]
  31. Alexander Wong and William Bishop, Backwards Compatible, Multi-Level Regions-of-Interest (ROI) Image Encryption Architecture with Biometric Authentication, in the proceedings of SIGMAP 2007: The International Conference on Signal Processing and Multimedia Applications, Barcelona, Spain, July 2007. [Click here to view]
  32. Alexander Wong and William Bishop, Simultaneous Registration and Gamma Correction in the Frequency Domain, in the proceedings of the 2007 International Conference on Image Processing, Computer Vision, and Pattern Recognition, Las Vegas, Nevada, June 2007. [Click here to view]
  33. Alexander Wong and William Bishop, Indirect Knowledge Based Approach to Non-Rigid Multi-Modal Registration of Medical Images, in the proceedings of IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, April 2007. [Click here to view]
  34. Alexander Wong and William Bishop, Practical Perceptually Adaptive Approach to Video Logo Placement in TV Broadcasts, in the proceedings of IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, April 2007. [Click here to view]
  35. Martin Hansen, Alexander Wong and William Bishop, A Hardware Implementation of Real-Time Video Deblocking Using Shifted Thresholding, in the proceedings of IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, April 2007. [Click here to view]
  36. Alexander Wong and William Bishop, Intelligent Multi-Level Regions-of-Interest (ROI) Document Image Encryption using an Online Learning Model, in the proceedings of IASTED International Conference on Signal Processing, Pattern Recognition and Applications, Austria, February 2007. [Click here to view]
  37. Alexander Wong and William Bishop, Adaptive Perceptual Degradation Based on Video Usage, in the proceedings of IEEE International Symposium on Multimedia, San Diego, December 2006. [Click here to view]
  38. Alexander Wong and William Bishop, Practical Content-Adaptive Subsampling for Image and Video Compression, in the proceedings of IEEE International Symposium on Multimedia, San Diego, December 2006. [Click here to view]
  39. Alexander Wong and William Bishop, Adaptive Normal Map Compression for 3D Video Games, in the proceedings of FuturePlay 2006, London, Ontario, Canada, October 2006. [Click here to view]
  40. Alexander Wong and William Bishop, Efficient Deblocking of Block-Transform Compressed Images and Video Using Shifted Thresholding, in the proceedings of the IASTED International Conference on Signal and Image Processing, Honolulu, Hawaii, August 2006. [Click here to view]
  41. Alexander Wong and William Bishop, An Efficient, Parallel Multi-Key Encryption of Compressed Video Streams, in the proceedings of the IASTED International Conference on Signal and Image Processing, Honolulu, Hawaii, August 2006. [Click here to view]
  42. Alexander Wong and William Bishop, A Flexible Content-Based Approach to Adaptive Image Compression, in the proceedings of the IEEE International Conference on Multimedia & Expo, Toronto, Ontario, Canada, July 2006. [Click here to view]
  43. Alexander Wong and William Bishop, Expert Knowledge Based Automatic Regions-of-Interest (ROI) Selection in Scanned Documents for Digital Image Encryption, in the proceedings of the 3rd Canadian Conference on Computer and Robot Vision, Quebec City, Quebec, Canada, June 2006. [Click here to view]
  44. Alexander Wong, William Bishop and Jeff Orchard, Efficient Multi-Modal Least-Squares Alignment of Medical Images Using Quasi-Orientation Maps, in the proceedings of the 2006 International Conference on Image Processing, Computer Vision, and Pattern Recognition, Las Vegas, Nevada, June 2006. [Click here to view]
  45. Alexander Wong and Jeff Orchard, Efficient and Robust Non-Rigid Least-Squares Rectification of Medical Images, in the proceedings of the 2006 International Conference on Image Processing, Computer Vision, and Pattern Recognition, Las Vegas, Nevada, June 2006. [Click here to view]
  46. Asad Munshi, Alexander Wong, Andrew Clinton, Sherman Braganza, William Bishop, and Michael McCool, A Parameterizable SIMD Stream Processor in the proceedings of the 2005 IEEE Canadian Conference on Electrical and Computer Engineering, Saskatoon, Saskatchewan, Canada, May 2005. [Click here to view]

Patents

  1. Alexander Wong and Hui Zhou, Method and Apparatus for Automatically Estimating the Layout of a Sequentially Ordered Series of Frames to Be Used to Form a Panorama, filed through Epson Canada Ltd., United States Patent 20070025639.
  2. Alexander Wong and Hui Zhou, Method and Apparatus for Estimating Shot Boundaries In A Digital Video Sequence, filed through Epson Canada Ltd., United States Patent 20070025615.
  3. Alexander Wong and Hui Zhou, Method and Apparatus for Generating a Panorama from a Sequence of Video Frames, filed through Epson Canada Ltd., United States Patent 20070030396.
  4. Alexander Wong and Hui Zhou, Method and Apparatus for Generating a Panorama Background from a Set of Images, filed through Epson Canada Ltd., United States Patent 20070237422.
  5. Alexander Wong and Hui Zhou, Method and Apparatus for Automatic Image Categorization, filed through Epson Canada Ltd., United States Patent 20080089591.

Thesis / Technical Reports

  1. Alexander Wong, Low Cost Visual/Inertial Hybrid Motion Capture System for Wireless 3D Controllers, Master's Thesis, University of Waterloo, Waterloo, Ontario, Canada, 2006. [Click here to view]
  2. Alexander Wong, Efficient and Robust Multi-frame Superresolution using Statistical Methods, University of Waterloo, Waterloo, Ontario, Canada, 2006.
  3. Alexander Wong, State of Terahertz Sensing and Applications in Remote Sensing, University of Waterloo, Waterloo, Ontario, Canada, 2006.

Presentations

  1. Alexander Wong, An Adaptive Non-local Means Approach to Exemplar-based Inpainting, presented at University of Waterloo Graduate Student Research Conference, Waterloo, Ontario, Canada, April 2008.
  2. Alexander Wong, Indirect Knowledge Based Approach to Non-Rigid Multi-Modal Registration of Medical Images, presented at University of Waterloo Graduate Student Research Conference, Waterloo, Ontario, Canada, April 2007.
  3. Alexander Wong, Efficient Multi-key Encryption of Compressed Video Streams, presented at University of Waterloo Graduate Student Research Conference, Waterloo, Ontario, Canada, April 2006.