Members

Prof. Dr. Kenneth Joy

Publications (40)

To be published

E. Deines, G. H. Weber, Ch. Garth, B. Van Straalen, S. Borovikov, D. F. Martin, and K. I. Joy
On the Computation of Integral Curves in Adaptive Mesh Refinement Vector Fields, In Scientific Visualization: Advanced Concepts, Dagstuhl Follow-Ups, Schloss Dagstuhl--Leibniz Center for Informatics

2015

Berres, Anne and Obermaier, Harald and Joy, Ken and Hagen, Hans
Adaptive particle relaxation for time surfaces. IEEE Pacific Visualization Symposium (PacificVis 2015), pp. 147-151, 2015

2013

Hummel, M., Obermaier, H., Garth, C., Joy, K.I.
Comparative Visual Analysis of Lagrangian Transport in CFD Ensembles, IEEE Transactions on Visualization and Computer Graphics, vol. 19, no. 12, pp. 2743 - 2752, 2013 PDF

2012

H. Obermaier, M. I. Billen, K. I. Joy, H. Hagen, M. Hering-Bertram
Visualization and multivariate clustering of scattered moment tensors. Information Visualization, January 2012 vol. 11 no. 1 pp. 43-59

H. Obermaier, F. Chen, H. Hagen, K. I. Joy
Visualization of Material Interface Stability, In Proceedings of IEEE PacificVis 2012, Songdo, Korea, pp. 225-232

2011

M. Hummel, C. Garth, B. Hamann, H. Hagen, K. I. Joy
Illustrative Visualization of a Vortex Breakdown Bubble. Computer Graphics Forum 30(1): 235-236, 2011, doi: 10.1111/j.1467-8659.2010.01850.x.

2010

G.H. Weber, S. Ahern, E.W. Bethel, S. Borovikov, H.R. Childs, E. Deines. C. Garth, H. Hagen, B. Hamann, K.I. Joy, D. Martin, J. Meredith, Prabhat, D. Pugmire, O. Rübel, B. Van Strallen, K. Wu
Recent Advances in VisIt: AMR Streamlines and Query-Driven Visualization,

Hummel, M., Garth, C., Hamann, B., Hagen, H., and Joy, K. I.
IRIS: Illustrative Rendering of Integral Surfaces, IEEE Transactions on Visualization and Computer Graphics, vol. 16, no. 6, pp. 1319-1328, Nov./Dec. 2010 PDF

2009

E. W. Bethel, C. Johnson, S. Ahern, J. Bell, P.-T. Bremer, H. Childs, E. Cormier-Michel, M. Day, E. Deines, T. Fogal, C. Garth, C. G. R. Geddes, H. Hagen, B. Hamann, C. Hansen, J. Jacobsen, K. Joy, J. Krüger, J. Meredith, P. Messmer, G. Ostrouchov, et al
Occam’s Razor and Petascale Visual Data Analysis, Journal of Physics Conference Series, Proceedings of SciDAC 2009

2007

Bethel, E. WesCo-authors: E.W., Johnson, C., Aragon, C, Prabhat, Rübel O., Weber, G.H., Pascucci, V., Childs, H., Bremer, P.-T., Whitlock, B., Ahern, S., Meredith, J., Ostrouchov, G., Joy., K., Hamann, B., Garth, C., Cole, M., Hansen, C., Parker, S.,
SciDAC Visualization and Analytics Center for Enabling Technologies -- Strategy for Petascale Visual Data Analysis Success; CTWatch Quarterly

Hijazi, YounisCo-authors: Hans Hagen, Charles Hansen and Kenneth I. Joy
Why Interval Arithmetic is so useful; Second Annual Workshop of DFG's International Research Training Group

Hijazi, Y., Hagen, H., Hansen, C., and Joy, K. I.
Why Interval Arithmetic is so useful. In H. Hagen, M. Hering-Bertram, Ch. Garth (Eds.) : Visualization of Large and Unstructured Data Sets, pp. 148-163, 2007.

2006

Ingrid Hotz, Louis Feng, Hans Hagen, Bernd Hamann, Kenneth Joy
Tensor field visualization using a metric interpretation,Visualization and Processing of Tensor Fields, 2006,

2004

Bertram, M., Duchaineau, M. A., Hamann, B., and Joy, K. I.
Generalized b-spline subdivision-surface wavelets for geometry compression, IEEE Transactions on Visualization and Computer Graphics Vol. 10, No. 3, 2004, pp. 326-338

Mahrous, K., Bennett, J., Scheuermann, G., Hamann, B., and Joy, I. K.
Topological Segmentation of Three-Dimensional Vector Fields. IEEE Transactions on Visualization and Computer Graphics 10(2):198-205, 2004

Hotz, I., Feng, L., Hagen, H. Hamann, B., Joy, K., Jeremic, B.
Physically based methods for tensor field visualization, Visualization, 2004. IEEE

2003

Bertram, B., Konkle, S., Hagen, H., Hamann, B., and Joy, K.
Terrain Modeling Using Voronoi Hierarchies, in: Hierarchicaland Geometrical Methods in Scientific Visualization, Farin, Hamann, Hagen (Hrsg.), Springer Verlag, pp. 89-98, 2003, (ISBN 3-540-43313-9) PDF

Bertram, M., Duchaineau, M., Hamann, B., and Joy, K.
Generalizing lifted tensor-product wavelets to irregular polygonla domains, in Data Visualization - The state of the Art, Frits Post, Gregory Nielson, Georges-Pierre Bonneau (eds.) Kluwer Academic Press, pp. 289-300, 2003

Co, C., Hagen, H., Hamann, B., Heckel, B., and Joy, K.
Hierarchical Clustering for Unstructured Volumetric Scalar Fields, in: Proceedings of IEEE Visualization 2003, pp. 325-332, 2003

Duchaineau, M., Porumbescu, S., Bertram, M., Hamnann, B., and Joy, K.
Dataflow and Remapping for Wavelet Compression and View-dependent Optimization of Billion-triangle Isosurfaces, Hierarchical and Geometrical Methods in Scientific Visualization, Springer, 2003, pp. 1-17. PDF

Weber, G., Kreylos, O., Ligocki, T., Shalf, J., Hagen, H., Hamann, B., and Joy, K. I.
Extraction of Crack-free Isosurfaces for Adaptive Mesh Refinement Data, in: Hierarchicaland Geometrical Methods in Scientific Visualization, Farin, Hamann, Hagen (Hrsg.), Springer Verlag, pp. 19-40, 2003, (ISBN 3-540-43313-9)

Wiley, D., Bertram, M., Jordan, B., Hamann, B., Joy, K., Max, N., and Scheuermann,G.
Hierarchical Spline Approximations, in: Hierarchicaland Geometrical Methods in Scientific Visualization, Farin, Hamann, Hagen (Hrsg.), Springer Verlag, pp. 63-88, 2003, (ISBN 3-540-43313-9) PDF

Scheuermann, G., Hamann, b., Joy, K. I., and Kollmann, W.
Localizing vector field topology. In Data Visualization - The State of the Art, F.H. Post, G. M. Nielson, G.-P. Bonneau (Hrsg.), Kluwer Academic Publisher, Boston, 2003, 19-35

2002

Jermic, B., Scheuermann, G., Frey, J., Yang, Hamann, B., Joy, K. and Hagen, H.
Tensor visualizations in computational geomechanics, in International Journal for Numerical and Analytical Methods in Geomechanics 26:925-944, 2002

Kreylos, O., Weber, G. H., Bethel, E. W., Shalf, J. M., Hamann, B., and Joy, K. I.,
Interactive Direct Volume Rendering of AMR Data, TR LBNL-49954,  March 2002

2001

Scheuermann, G., Frey, J., Hagen, H., Hamann, B., Jeremic, B., and Joy, K. I.
Visualization of Seismic Soils Structure Simulations, in Proceedings of IASTED International Conference on Visualization, Imaging, and Image Processing, M.H. Hamza (ed.), ACTA Press, Anaheim, 2001, pp. 78-83

Weber, G., Hagen, H., Hamann, B., Joy, K., Ligocki, T., Kwan-Liu Ma, and Shalf, J.
Visualization of Adaptive Mesh Refinement Data, in Proceedings of Visual Data Exploration and Analysis VIII, Volume 4302, Proceedings of SPIE-Series, pp. 121-132, 2001

Bertram, M., Laney, D.E., Duchaineau, M.A., Hansen, C.D., Hamann, B., and Joy, K.I.
Wavelet Representation of Contour Sets, in: Proceedings of IEEE Visualization 2001, Ertl, Joy, Varshney (Hrsg.), IEEE Computer Society, Los Alamitos, CA, USA, 2001, pp. 303-310 & 566. PDF

Duchaineau M.A., Bertram M., Porumbescu S., Hamann B., and Joy K.I.
Interactive display of surfaces using subdivision surfaces and wavelets, Proceedings of Spring Conference on Computer Graphics 2001, Comenius University, Bratislava, Slovak Republic, pp. 22-34. PDF

Scheuermann,G., Bobach,T., Hagen,H., Mahrous, K., Hamann, B., Joy, K., and Kollmann, W.
A tetrahedra-based stream surface algorithm, in IEEE Visualization 2001 Proceedings, A. Varshney, T. Ertl, K. Joy (eds.), IEEE Computer Society Press, Los Alamitos, CA, 2001, 151-158

Weber, G., Kreylos, O., Ligocki, T., Shalf, J., Hagen, H., Hamann, B., and Joy, K. I.
Extraction of Crack-free Isosurfaces for Adaptive Mesh Refinement Data, in: Data Visualization 2001 (Joint Eurographics - IEEE TCVG Symposium on Visualization in Ascona, Switzerland), Ebert, Favre, Peikert (Hrsg.), Springer, Wien, 2001, pp. 25-34

Weber, G., Kreylos, O., Ligocki, T., Shalf, J., Hagen, H., Hamann, B., Joy, K., and Ma, K.-L.
High-quality volume rendering of adaptive mesh refinement data, in: Ertl, T., Girod, B., Greiner, G., Niemann, H. and Seidel, H.-P., eds., Vision, Modeling, and Visualization 2001, IOS Press, Amsterdam, The Netherlands, pp. 121-128, 2001

R. Schätzl, H. Hagen, J. F. Barnes, B. Hamann, K. I. Joy
Data-Dependent Triangulation in the Plane with Adaptive Knot Placement. In G. Brunnett, H.-P. Bieri, G. Farin (eds.): Geometric Modelling, pp. 309-321, 2001, doi: 10.1007/978-3-7091-6270-5_18.

2000

Bertram B., Duchaineau M.A., Hamann B., and Joy K.I.
Bicubic subdivision-surface wavelets for large-scale isosurface representation and visualization, IEEE Visualization 2000, pp. 389-396 & 579.

Schussman S., Bertram M., Hamann B., and Joy K.I.
Hierarchical data representations based on planar Voronoi diagrams, Proceedings of VisSym'00, Joint Eurographics and IEEE TCVG Conference on Visualization, Amsterdam, Springer, 2000, pp. 63-72.

Bertram, M., Duchaineau, M. A., Hamann, B., and Joy, K. I.
Wavelets defined on planar tesselations, Proceedings of the International Conference on Imaging Science, Systems, and Technology (CISST 2000), Las Vegas, CSREA Press, 2000, pp. 619-625.

Bertram, M., J. C. Barnes, Hamann, B., Joy, K. I., Pottmann, H., and Wushour, D.
Piecewise optimal triangulation for the approximation of scattered data in the plane, Computer Aided Geometric Desing, Vol. 17, No. 8, Elsevier, September 2000, pp. 767 - 787.

Moritz, E., Kuester, F. Hamann, B., Joy, K. I. and Hagen, H.
Towards Immersive Clay Modelling: Interactive Modelling with Octrees, in Stereoscopic Displays and Virtual Reality Systems VII, John O. Merrit, Stephen A. Benton, Andrew J. Woods, Mark T. Bolas (eds.), Proceedings of SPIE Vol. 3957, 2000, pp. 414-422

Scheuermann, G., Hamann, B., Joy, K., and Kollmann, W.
Visualizing local vector field topology, Journal of Electronic Imaging 9 (4):356-367, 2000

Scheuermann, G., Hamann, B., Joy, K., and Kollmann, W.
Localizing Vector Field Topology, in Schloss Dagstuhl Seminar 00211, Scientific Visualization, G.-P. Bonneau, G. Nielson, F. Post, Mai 2000