Publications

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Thesis
Alim, U. R., "Data Processing on the Body-Centered Cubic Lattice", School of Computing Science, vol. PhD, Burnaby BC, Canada, Simon Fraser University, pp. 131, 07/2012. PDF icon preprint (16.08 MB)
Akram, B., "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.
Report
Yin, D., and U. R. Alim, "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 icon PDF (301.53 KB)
Journal Article
Hossain, Z., U. R. Alim, and T. Möller, "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. PDF icon preprint (12.98 MB)Package icon derivation of filter weights (484.64 KB)PDF icon slides from VisWeek 2011 (32.08 MB)
Rashid, M. Mamunur, and U. R. Alim, "Sub-band Coding of Hexagonal Images", Signal Processing: Image Communication, vol. 99, pp. 116494, 09/2021.
Hosseini, S. Vahab, U. R. Alim, L. Oehlberg, and J. M. Taron, "Optically Illusive Architecture (OIA): Introduction and Evaluation using Virtual Reality", International Journal of Architectural Computing, 05/2021.
Alim, U. R., A. Entezari, and T. Möller, "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. PDF icon preprint (6.3 MB)Binary Data smoke simulation videos (33.17 MB)
Rocha, A., R. Cabral Ram Mota, H. Hamdi, U. R. Alim, and M. Costa Sousa, "Illustrative Multivariate Visualization for Geological Modelling", Computer Graphics Forum (Proceedings of EuroVis 2018), vol. 37, issue 3, pp. 465-477, 2018. PDF icon preprint (30.82 MB)PDF icon Supplementary Material: Domain Problem Characterization (624 KB)PDF icon Presentation slides from EuroVis 2018 (2.82 MB)
Finkbeiner, B., U. R. Alim, D. Van De Ville, and T. Möller, "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. PDF icon supplementary figures (345.35 KB)
Alim, U. R., T. Möller, and L. Condat, "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. PDF icon preprint (17.78 MB)Binary Data MATLAB filtering code (5.07 MB)PDF icon slides from VisWeek 2010 (3.54 MB)
Baker, J., M. Amin Safarzadeh, A. V. Incognito, N. G. Jendzjowsky, G. E. Foster, J. D. Bird, S. R. Raj, T. A. Day, C. A. Rickards, N. Zubieta-DeUrioste, et al., "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.
Horacsek, J., and U. Alim, "FastSpline: Automatic Generation of Interpolants for Lattice Samplings", ACM Transactions on Mathematical Software, pp. In Press, dec, 2022.
Rocha, A., U. Alim, J. Daniel Silva, and M. Costa Sousa, "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. PDF icon preprint (35.16 MB)PDF icon slides (21.87 MB)
Rocha, A. C. A., J. D. Silva, U. R. Alim, S. Carpendale, and M. C. Sousa, "Decal-Lenses: Interactive Lenses on Surfaces for Multivariate Visualization", IEEE Transactions on Visualization and Computer Graphics, pp. 1-1, 2018. PDF icon preprint (24.03 MB)PDF icon Presentation slides from SciVis 2018 (2.5 MB)
Liu, X., and U. R. Alim, "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. PDF icon slides (20.91 MB)PDF icon preprint (7.32 MB)
Mota, R., N. Ferreira, J. Daniel Silva, M. Horga, M. Lage, L. Ceferino, U. Alim, E. Sharlin, and F. Miranda, "A Comparison of Spatiotemporal Visualizations for 3D Urban Analytics", IEEE Transactions on Visualization and Computer Graphics, vol. 29, pp. 1277-1287, Jan, 2023.
Horacsek, J. J., and U. R. Alim, "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. PDF icon preprint (28.34 MB)Package icon Sage worksheet and filter weights (105.59 KB)PDF icon Slides from EuroVis (14.92 MB)
Horacsek, J. J., and U. Alim, "A closed PP form of box splines via Green’s function decomposition", Journal of Approximation Theory, vol. 233, pp. 37--57, 09/2018. PDF icon preprint (1.1 MB)
Conference Proceedings
Hosseini, S. Vahab, J. M. Taron, and U. Alim, "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. PDF icon preprint (7.11 MB)
Alim, U. R., "Operator Discretization in Shift-Invariant Spaces", International Conference on Spectral and Higher Order Methods, Salt Lake City, UT, 06/2014. PDF icon Abstract (82.31 KB)PDF icon slides (20.64 MB)
Jubair, M. Imrul, U. Alim, N. Röber, J. Clyne, A. Mahdavi-Amiri, and F. Samavati, "Multiresolution visualization of digital earth data via hexagonal box-spline wavelets", IEEE SciVis 2015 (poster), Chicago, IL, IEEE, 10/2015.
Khan, F. Hasan, A. Rocha, and U. Alim, "Comparative Visualizations of Noisy and Filtered Blood Flow from 4D PC-MRI Cardiac Datasets", IEEE SciVis 2017 , Phoenix, AZ, pp. Posters, 10/2017. PDF icon poster absract (1.17 MB)
Conference Paper
Hornbeck, H., and U. R. Alim, "UofC-Bayes: A Bayesian Approach to Visualizing Uncertainty in Radiation Data", IEEE Conference on Visual Analytics Science and Technology (VAST Contest Poster), 10/2019.
Hornbeck, H., and U. R. Alim, "UofC-Bayes: A Bayesian Approach to Visualizing Uncertainty in Likert Scales", IEEE Conference on Visual Analytics Science and Technology (VAST Contest Poster), 10/2019.
Hornbeck, H., and U. Alim, "Smashing Rays: Combining Realistic and Illustrative Visualization", IEEE SciVis (SciVis Contest poster), Berlin, Germany, 10/2018. PDF icon poster abstract (1.76 MB)

Pages