] , "Sub-band Coding of Hexagonal Images", Signal Processing: Image Communication, vol. 99, pp. 116494, 09/2021.
, "UofC-Bayes: A Bayesian Approach to Visualizing Uncertainty in Likert Scales", IEEE Conference on Visual Analytics Science and Technology (VAST Contest Poster), 10/2019.
, "UofC-Bayes: A Bayesian Approach to Visualizing Uncertainty in Radiation Data", IEEE Conference on Visual Analytics Science and Technology (VAST Contest Poster), 10/2019.
, "Compactly Supported Biorthogonal Wavelet Bases on the Body Centered Cubic Lattice", Computer Graphics Forum (Proceedings of Eurographics/IEEE-VGTC Symposium on Visualization 2017 (EuroVis 2017)), vol. 36, issue 3, 06/2017.
preprint (28.34 MB)
Sage worksheet and filter weights (105.59 KB) Slides from EuroVis (14.92 MB)
preprint (28.34 MB) Sage worksheet and filter weights (105.59 KB) Slides from EuroVis (14.92 MB), "Multivariate Visualization of Oceanography Data Using Decals", Workshop on Visualisation in Environmental Sciences (EnvirVis), Barcelona, Spain, The Eurographics Association, 06/2017.
preprint (2.48 MB) presentation slides (8.12 MB)
preprint (2.48 MB) presentation slides (8.12 MB), "Icosahedral Maps for a Multiresolution Representation of Earth Data", Vision, Modeling and Visualization (VMV), vol. [to appear], Bayreuth, Germany, The Eurographics Association, 10/2016.
preprint (12.67 MB) slides (5.78 MB)
preprint (12.67 MB) slides (5.78 MB), "Component-wise Interpolation of Solenoidal Vector Fields: A Comparative Numerical Study", Alim, Usman, no. 2015-1079-12, Calgary, AB, University of Calgary, 07/2015.
PDF (301.53 KB)
PDF (301.53 KB), "Compressive Volume Rendering", Computer Graphics Forum (Proceedings of Eurographics/IEEE-VGTC Symposium on Visualization 2015 (EuroVis 2015)), vol. 34, issue 3, pp. 101--110, 05/2015.
slides (20.91 MB) preprint (7.32 MB)
slides (20.91 MB) preprint (7.32 MB), "A Quality-Preserving Cartesian to Body-Centered Cubic Downsampling Transform", Eurographics Conference on Visualization (EuroVis) Short Papers, Cagliari, Italy, The Eurographics Association, 05/2015.
fast forward (5.69 MB) supplementary material (1.55 MB) slides (9.73 MB) preprint (1.14 MB)
fast forward (5.69 MB) supplementary material (1.55 MB) slides (9.73 MB) preprint (1.14 MB), "Operator Discretization in Shift-Invariant Spaces", International Conference on Spectral and Higher Order Methods, Salt Lake City, UT, 06/2014.
Abstract (82.31 KB) slides (20.64 MB)
Abstract (82.31 KB) slides (20.64 MB), "Rendering in Shift-Invariant Spaces", Graphics Interface 2013, Regina, SK, CRC Press, 05/2013.
preprint (11.6 MB)
high resolution images (12.02 MB) slides (13.93 MB)
preprint (11.6 MB) high resolution images (12.02 MB) slides (13.93 MB), "Data Processing on the Body-Centered Cubic Lattice", School of Computing Science, vol. PhD, Burnaby BC, Canada, Simon Fraser University, pp. 131, 07/2012.
preprint (16.08 MB)
preprint (16.08 MB), "Toward High Quality Gradient Estimation on Regular Lattices", IEEE Transactions on Visualization and Computer Graphics, vol. 17, issue 4, no. 4, Los Alamitos, CA, USA, IEEE Computer Society, pp. 426-439, 04/2011.
preprint (12.98 MB) derivation of filter weights (484.64 KB) slides from VisWeek 2011 (32.08 MB)
preprint (12.98 MB) derivation of filter weights (484.64 KB) slides from VisWeek 2011 (32.08 MB), "Gradient Estimation Revitalized", IEEE Transactions on Visualization and Computer Graphics (Proceedings Visualization / Information Visualization 2010), vol. 16, issue 6, no. 6, pp. 1494-1503, 11/2010.
preprint (17.78 MB) MATLAB filtering code (5.07 MB) slides from VisWeek 2010 (3.54 MB)
preprint (17.78 MB) MATLAB filtering code (5.07 MB) slides from VisWeek 2010 (3.54 MB), "A Fast Fourier Transform with Rectangular Output on the BCC and FCC Lattices", Eighth International Conference on Sampling Theory and Applications (SampTA'09), Marseille, France, 05/2009.
preprint (738.5 KB) slides (997.2 KB)
preprint (738.5 KB) slides (997.2 KB), "High-Quality Volumetric Reconstruction on Optimal Lattices for Computed Tomography", Computer Graphics Forum (Proceedings of Eurographics/IEEE-VGTC Symposium on Visualization 2009 (EuroVis 2009)), vol. 28, issue 3, no. 3, pp. 1023--1030, 06/2009.
supplementary figures (345.35 KB)
supplementary figures (345.35 KB), "The Lattice-Boltzmann Method on Optimal Sampling Lattices", IEEE Transactions on Visualization and Computer Graphics, vol. 15, issue 4, no. 4, Los Alamitos, CA, USA, IEEE Computer Society, pp. 630-641, 07/2009.
preprint (6.3 MB) smoke simulation videos (33.17 MB)
preprint (6.3 MB) smoke simulation videos (33.17 MB)