VISAGG | Visualization and Graphics Group

VISAGG is a research group within the Graphics Jungle at the University of Calgary. It is headed by Dr. Usman Alim and focuses on addressing fundamental issues in Scientific Visualization and Computer Graphics.

3De Interactive Lenses for Visualization in Virtual Environments

Mota, R. Cabral Ram, A. Rocha, J. Daniel Silva, U. Alim, and E. Sharlin, "3De Interactive Lenses for Visualization in Virtual Environments", IEEE SciVis Short Papers, Berlin, Germany, 10/2018.
Decal-Lenses: Interactive Lenses on Surfaces for Multivariate Visualization

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.
Illustrative Multivariate Visualization for Geological Modelling

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.
A closed PP form of box splines via Green’s function decomposition

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.
Compactly Supported Biorthogonal Wavelet Bases on the Body Centered Cubic Lattice

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.
Decal-maps: Real-time Layering of Decals on Surfaces for Multivariate Visualization

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.

Project Page

http://pages.cpsc.ucalgary.ca/~acarocha/projects/decalmaps/index.html
Multivariate Visualization of Oceanography Data Using Decals

Rocha, A., J. Daniel Silva, U. R. Alim, and M. Costa Sousa, "Multivariate Visualization of Oceanography Data Using Decals", Workshop on Visualisation in Environmental Sciences (EnvirVis), Barcelona, Spain, The Eurographics Association, 06/2017.
CINAPACT-Splines: A Family of Infinitely Smooth, Accurate and Compactly Supported Splines

Akram, B., U. Alim, and F. Samavati, "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.
Icosahedral Maps for a Multiresolution Representation of Earth Data

Jubair, M. Imrul, U. R. Alim, N. Röber, J. Clyne, and A. Mahdavi-Amiri, "Icosahedral Maps for a Multiresolution Representation of Earth Data", Vision, Modeling and Visualization (VMV), vol. [to appear], Bayreuth, Germany, The Eurographics Association, 10/2016.

Project Page