"Optically Illusive Architecture: Producing Depthless Objects Using Principles of Linear Perspective", ACADIA 2017: DISCIPLINES & DISRUPTION , vol. Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA), Cambridge, MA, Acadia Publishing Company, pp. 274--283, 11/2017.
preprint (7.11 MB)
, "Icosahedral Maps for a Multiresolution Representation of Earth Data", Department of Computer Science, vol. MSc, Calgary, University of Calgary, 12/2016.
, "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)
, "CINAPACT-Splines: A Family of Infinitely Smooth, Accurate and Compactly Supported Splines", International Symposium on Visual Computing 2015, Las Vegas, NV, Springer (Bebis G. et al. (eds), Advances in Visual Computing, Lecture Notes in Computer Science, vol 9474), 2015.
preprint (3.26 MB)
, "CINAPACT-Splines: A Family of Infinitely Smooth, Accurate and Compactly Supported Splines", Department of Computer Science, vol. MSc, Calgary, AB, University of Calgary, 09/2015.
, "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)
, "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)
, "Compressive Volume Rendering", Department of Computer Science, vol. MSc, Calgary, AB, University of Calgary, pp. 81, 07/2015.
, "Multiresolution visualization of digital earth data via hexagonal box-spline wavelets", IEEE SciVis 2015 (poster), Chicago, IL, IEEE, 10/2015.
, "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)
, "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)
, "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)
, "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)
, "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)
, "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)
, "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)
, "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)
, "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)
,