"Superimposed Comparative Visualization of 3D and 4D Vector Fields", Department of Computer Science, vol. MSc, Calgary, University of Calgary, 04/2018.
, "Sub-band Coding of Hexagonal Images", Department of Computer Science, vol. MSc, Calgary, AB, University of Calgary, 09/2019.
, "Spatial Partitioning for Distributed Path-Tracing Workloads", Department of Computer Science, vol. MSc, Calgary, University of Calgary, 09/2018.
, "Optically Illusive Architecture (OIA): A Design Paradigm Attuned Towards Viewpoints", Computational Media Design, vol. PhD, Calgary, AB, University of Calgary, 12/2020.
, "Icosahedral Maps for a Multiresolution Representation of Earth Data", Department of Computer Science, vol. MSc, Calgary, University of Calgary, 12/2016.
, "GPU-based Compressive Volume Rendering", Department of Computer Science, vol. MSc, Calgary, University of Calgary, 01/2018.
, "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)
, "Compressive Volume Rendering", Department of Computer Science, vol. MSc, Calgary, AB, University of Calgary, pp. 81, 07/2015.
, "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)
, "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)
, "Sub-band Coding of Hexagonal Images", Signal Processing: Image Communication, vol. 99, pp. 116494, 09/2021.
, "Optically Illusive Architecture (OIA): Introduction and Evaluation using Virtual Reality", International Journal of Architectural Computing, 05/2021.
, "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)
, "Illustrative Multivariate Visualization for Geological Modelling", Computer Graphics Forum (Proceedings of EuroVis 2018), vol. 37, issue 3, pp. 465-477, 2018.
preprint (30.82 MB) Supplementary Material: Domain Problem Characterization (624 KB) Presentation slides from EuroVis 2018 (2.82 MB)
, "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)
, "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)
, "Functional optical coherence tomography at altitude: retinal microvascular perfusion and retinal thickness at 3,800 meters", Journal of Applied Physiology, vol. 133, issue 3, pp. 534—545, 09/2022.
, "FastSpline: Automatic Generation of Interpolants for Lattice Samplings", ACM Transactions on Mathematical Software, pp. In Press, dec, 2022.
, "Decal-maps: Real-time Layering of Decals on Surfaces for Multivariate Visualization", IEEE Transactions on Visualization and Computer Graphics (Proceedings of IEEE SciVis 2016), vol. 23, issue 1, pp. 821 -- 830, 01/2017.
preprint (35.16 MB) slides (21.87 MB)
, "Decal-Lenses: Interactive Lenses on Surfaces for Multivariate Visualization", IEEE Transactions on Visualization and Computer Graphics, pp. 1-1, 2018.
preprint (24.03 MB) Presentation slides from SciVis 2018 (2.5 MB)
, "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)
, "A Comparison of Spatiotemporal Visualizations for 3D Urban Analytics", IEEE Transactions on Visualization and Computer Graphics, vol. 29, pp. 1277-1287, Jan, 2023.
, "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)
, "A closed PP form of box splines via Green’s function decomposition", Journal of Approximation Theory, vol. 233, pp. 37--57, 09/2018.
preprint (1.1 MB)
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