C A R L O S  D
C O R R E A
Ph.D. Computer Scientist
LLNL | UC Davis | Rutgers
email :

About
Carlos D. Correa is a computer scientist at the Center for Applied Scientific Computing at Lawrence Livermore National Lab.

His research interests include scientific and information visualization, uncertainty analysis and visualization, and computer graphics. Before joining LLNL, he worked as a postdoctoral researcher at the University of California, Davis.

Carlos earned an M.Sc. and a Ph.D. in Electrical and Computer Engineering from Rutgers University in 2003 and 2007, respectively. He holds a B.Sc. in Computer Science from EAFIT University, Colombia.

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Conference 2012 Locally-scaled Spectral Clustering with Empty Region Graphs Carlos D. Correa and Peter Lindstrom. ACM SIGKDD International Conference on Knowledge Discovery and Data Mining (KDD), 2012 Latest, Graphs, Uncertainty Journal 2012 The Mutual Information Diagram for Uncertainty Visualization Carlos D. Correa and Peter Lindstrom. International Journal for Uncertainty Quantification, 2012 Uncertainty, Latest pubmap/uncertainty2011.png Journal 2011 Towards Robust Topology of Sparsely Sampled Data <b> ( Best paper award ) </b> <br> Carlos D. Correa and Peter Lindstrom. IEEE Transactions on Visualization and Computer Graphics (Proceedings Visualization / Information Visualization 2011), vol. 17, no. 12, Dec. 2011. docs/vis2011b.pdf Topology, Latest pubmap/vis2011b.png Journal 2011 Topological Spines: A Structure-Preserving Visual Representation of Scalar Fields Carlos D. Correa, Peter Lindstrom and Peer-Timo Bremer. IEEE Transactions on Visualization and Computer Graphics (Proceedings Visualization / Information Visualization 2011), vol. 17, no. 12, Dec. 2011. docs/vis2011.pdf Topology, Latest pubmap/vis2011.png Conference 2011 The Mutual Information Diagram for Uncertainty Visualization Carlos D. Correa and Peter Lindstrom. Working with Uncertainty Workshop (collocated with Visweek 2011), Oct. 24, 2011. Uncertainty, Visual Analytics, Latest pubmap/uncertainty2011.png Journal 2011 A Rendering Framework for Multi-Scale Views of 3D Models Wei-Hsien Hsu, Kwan-Liu Ma and Carlos D. Correa. ACM Transactions on Graphics, Vol. 30 Issue 5. (Proc. ACM SIGGRAPH Asia 2011) Animation, Rendering, Latest pubmap/sigasia2011.png Journal 2011 Visualizing 3D Earthquake Simulation Data Cheng-Kai Chen, Chris Ho, Carlos D. Correa, Kwan-Liu Ma and Ahmed Elgamal. Computing in Science and Engineering 13(6): 52-63 http://www.computer.org/portal/web/csdl/doi/10.1109/MCSE.2010.120 Scivis, Latest pubmap/cse2011.png Conference 2011 Graph-based Fire Synthesis. Yubo Zhang, Carlos D. Correa and Kwan-Liu Ma. ACM SIGGRAPH/Eurographics Symposium on Computer Animation (2011). http://vis.cs.ucdavis.edu/~correac/docs/SCA2011.pdf Animation pubmap/sca2011.png Conference 2011 A Preview and Exploratory Technique for Large-Scale Scientific Simulations. Anna Tikhonova, Hongfeng Yu, Carlos D. Correa, Jacqueline H. Chen and Kwan-Liu Ma. Eurographics Symposium on Parallel Graphics and Visualization (2011). http://vis.cs.ucdavis.edu/~correac/docs/egpgv2011.pdf Explorable Images, Scivis, In-situ Vis pubmap/egpgv2011.png Book chapter 2011 Visualizing Social Networks. Carlos D. Correa and Kwan-Liu Ma. In: Social Network Data Analytics. Ed. Charu Aggarwal, Springer (2011). http://vis.cs.ucdavis.edu/~correac/ Networks pubmap/book2011.png Journal 2012 Visual Reasoning about Social Networks using Centrality Sensitivities Carlos D. Correa, Tarik Crnovrsanin and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, 18(1), pp. 106-120 http://vis.cs.ucdavis.edu/~correac/docs/tvcg2011.pdf Networks, Uncertainty, Visual Analytics pubmap/tvcg2011.png Journal 2011 Visibility Histograms and Visibility-Driven Transfer Functions Carlos D. Correa and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, 2011. <a href='erratum/erratum_tvcg.html' target='_new'><b>Erratum</b></a> http://vis.cs.ucdavis.edu/~correac/docs/vdtf.pdf Transfer Functions, Visibility pubmap/tvcg2010b.png Journal 2011 A Comparison of Gradient Estimation Methods for Volume Rendering on Unstructured Meshes Carlos D. Correa, Robert Hero and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, 2011. http://vis.cs.ucdavis.edu/~correac/docs/tvcg_grad.pdf Scivis pubmap/tvcg2010.png Journal 2010 Visualization by Proxy: A Novel Framework for Deferred Interaction with Volume Data. Anna Tikhonova, Carlos D. Correa and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, 16(6), 2010 (Proc. IEEE Visualization 2010) http://vis.cs.ucdavis.edu/~correac/vis2010.pdf Explorable Images, Scivis, In-situ Vis pubmap/vis2010.png Journal 2010 In Vivo Mapping of Vascular Inflammation Using Multimodal Imaging. Jarrett BR, Correa C, Ma KL and Louie AY (2010). PLoS ONE 5(10): e13254 http://vis.cs.ucdavis.edu/~correac/docs/plosone2010.pdf Transfer Functions, Biovis pubmap/plosone2010.png Conference 2010 Flow-based Scatterplots for Sensitivity Analysis Yu-Hsuan Chan, Carlos D. Correa and Kwan-Liu Ma. Proceedings of IEEE VAST Symposium, 2010. http://vis.cs.ucdavis.edu/~correac/docs/vast2010.pdf Uncertainty, Visual Analytics pubmap/vast2010.png Journal 2010 Dynamic Video Narratives Carlos D. Correa and Kwan-Liu Ma. ACM Transactions on Graphics 29(4), (SIGGRAPH 2010). http://vis.cs.ucdavis.edu/~correac/dvn/siggraph2010.pdf Video pubmap/siggraph2010.png Journal 2010 Constrained Illustrative Volume Deformation Carlos D. Correa, Deborah Silver and Min Chen. Computers and Graphics, Vol. 34, No. 4, pp. 370 -- 377, 2010. http://vis.cs.ucdavis.edu/~correac/docs/constrained.pdf Illustrative Deformation pubmap/cag2010.png Journal 2010 An Exploratory Technique for Coherent Visualization of Time-Varying Volume Data Anna Tikhonova, Carlos D. Correa and Kwan-Liu Ma. Computer Graphics Forum. (also Proceedings of EuroVis 2010). Volume 29, Number 3, June, 2010 http://vis.cs.ucdavis.edu/~correac/docs/eurovis2010.pdf Explorable Images, Scivis, In-situ Vis pubmap/eurovis2010.png Conference 2010 Explorable Images for Visualizing Volume Data Anna Tikhonova, Carlos D. Correa and Kwan-Liu Ma. IEEE VGTC Pacific Visualization Symposium 2010, Taipei, Taiwan, 2010. http://vis.cs.ucdavis.edu/~correac/docs/pv2010.pdf Explorable Images, Scivis, In-situ Vis pubmap/pv2010.png Journal 2009 The Occlusion Spectrum for Volume Visualization and Classification. Carlos D. Correa and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, vol. 15, Nov/Dec, 2009 (Proc. IEEE Visualization 2009), pp. 1465-1472. http://vis.cs.ucdavis.edu/~correac/docs/vis09.pdf Transfer Functions, Occlusion pubmap/vis09.png Journal 2009 Curve-Centric Volume Reformation for Comparative Visualization Ove Daae Lampe, Carlos Correa, Kwan-Liu Ma and Helwig Hauser. IEEE Transactions on Visualization and Computer Graphics, vol. 15, Nov/Dec, 2009 (Proc. IEEE Visualization 2009) http://vis.cs.ucdavis.edu/~correac/docs/lampe.pdf Scivis pubmap/vis09b.png Conference 2009 Proximity-based Visualization of Movement Trace Data Tarik Crnovrsanin, Christopher Muelder, Carlos Correa and Kwan-Liu Ma. IEEE VAST 2009 Symposium, 2009 http://vis.cs.ucdavis.edu/~correac/docs/proxivis.pdf Visual Analytics pubmap/vast09b.png Conference 2009 A Framework for Uncertainty-Aware Visual Analytics Carlos D. Correa, Yu-Hsuan Chan and Kwan-Liu Ma. IEEE VAST 2009 Symposium, 2009 http://vis.cs.ucdavis.edu/~correac/docs/vast09.pdf Uncertainty, Visual Analytics pubmap/vast09a.png Conference 2009 Flow visualization in science and mathematics Nelson Max, Carlos Correa, Chris Muelder, Shi Yan, Cheng-Kai Chen and Kwan-Liu Ma. Journal of Physics: Conference Series (SciDAC 2009 Conference) 180 012087 http://www.iop.org/EJ/abstract/1742-6596/180/1/012087 Scivis pubmap/scidac09.png Abstracts and Posters 2009 Volumetric Bodies... the exhibition. D. Silver, C. Correa, D. Chen, D. Liao and T. Yoo Art exhibit (IEEE Visualization 2009) http://vis.cs.ucdavis.edu/~correac/bodies Illustrative Deformation, Animation pubmap/visart2009.png Abstracts and Posters 2009 Visualizing what Lies Inside Carlos D. Correa. VisFiles, ACM SIGGRAPH Computer Graphics Quarterly, Volume 43, Number 2, May 2009. http://www.siggraph.org/publications/newsletter/volume-43-number-2/visualizing-what-lies-inside Transfer Functions, Visibility pubmap/cg09.png Conference 2009 Social Network Discovery based on Sensitivity Analysis Tarik Crnovrsanin, Carlos D. Correa and Kwan-Liu Ma. Proc. Intl. Conf. Advances in Social Networks Analysis and Mining (ASONAM 2009), Athens, Greece, July 2009. http://vis.cs.ucdavis.edu/~correac/docs/asonam09.pdf Networks, Uncertainty, Visual Analytics pubmap/asonam09.png Conference 2009 Visibility Driven Transfer Functions Carlos D. Correa and Kwan-Liu Ma. IEEE VGTC Pacific Visualization Symposium 2009, Beijing, China, Apr 2009. http://vis.cs.ucdavis.edu/~correac/docs/pv09.pdf Transfer Functions, Visibility pubmap/pv09.png Journal 2008 Size-based Transfer Functions: A New Volume Exploration Technique Carlos D. Correa and Kwan-Liu Ma. IEEE Transactions on Visualization and Computer Graphics, vol. 14, no. 6, pp. 1380-1387, Nov/Dec, 2008 http://vis.cs.ucdavis.edu/~correac/docs/vis08.pdf Transfer Functions, Scale-space pubmap/vis08.png Journal 2007 Manipulating, Deforming and Animating Sampled Object Representations M. Chen, C. Correa, S. Islam, M. W. Jones, P.-Y. Shen, D. Silver, S. J. Walton and P. J. Willis. Computer Graphics Forum 26 (4), 824--852, 2007. http://vis.cs.ucdavis.edu/~correac/docs/cgf07.pdf Illustrative Deformation pubmap/cgf07.png Journal 2007 Illustrative Deformation for Data Exploration Carlos D. Correa, Deborah Silver and Min Chen. IEEE Transactions on Visualization and Computer Graphics (Proceedings Visualization / Information Visualization 2007), vol.13, no.6, pp.1320--1327, Nov.-Dec. 2007. http://vis.cs.ucdavis.edu/~correac/docs/vis07.pdf Illustrative Deformation pubmap/vis07.png Journal 2006 Feature Aligned Volume Manipulation for Illustration and Visualization Carlos D. Correa, Deborah Silver and Min Chen. IEEE Transactions on Visualization and Computer Graphics (Proceedings Visualization / Information Visualization 2006), vol. 12, no. 5, Sept.-Oct. 2006, pp. 1069--1076. http://vis.cs.ucdavis.edu/~correac/docs/vis06.pdf Illustrative Deformation pubmap/vis06.png Journal 2005 Exact and Heuristic Algorithms for Dynamic Tree Simplification. C. D. Correa, I. Marsic, and X. Sun. Journal of Mathematical Modelling and Algorithms (JMMA), 4(4), pp. 331 - 353, Dec. 2005. http://www.caip.rutgers.edu/~cdcorrea/docs/jmma2005.pdf pubmap/jmma.png Conference 2007 Programmable Shaders for Deformation Rendering Carlos D. Correa and Deborah Silver. ACM SIGGRAPH/Eurographics conference on Graphics Hardware, 2007 pp. 89 - 96 http://vis.cs.ucdavis.edu/~correac/docs/gh07.pdf Illustrative Deformation pubmap/gh07.png Conference 2007 Volume Deformation via Scattered Data Interpolation Carlos D. Correa, Deborah Silver and Min Chen. Eurographics/IEEE VGTC Workshop on Volume Graphics, 2007. http://vis.cs.ucdavis.edu/~correac/docs/vg07-crc.pdf Illustrative Deformation pubmap/vg07.png Conference 2009 Depicting Time Evolving Flow with Illustrative Visualization Techniques Wei-Hsien Hsu, Jianqiang Mei, Carlos D. Correa and Kwan-Liu Ma.. International Conference on Arts and Technology (ArtsIT2009) , 2009 http://vis.cs.ucdavis.edu/~correac/docs/ArtsIT09.pdf Animation, Scivis, Illustration pubmap/artsit09.png Wei-Hsien Hsu, Jianqiang Mei, Carlos D. Correa and Kwan-Liu Ma. Conference 2006 Discontinuous Displacement Mapping for Volume Graphics Carlos D. Correa, Deborah Silver and Min Chen. Eurographics/IEEE VGTC Workshop on Volume Graphics 2006. Boston, MA, 30-31 July, , pp. 9-16 http://vis.cs.ucdavis.edu/~correac/docs/vg06.pdf Illustrative Deformation pubmap/vg06.png Conference 2005 Dataset Traversal with Motion-Controlled Transfer Functions Carlos D. Correa and Deborah Silver. Proceedings of IEEE Visualization 2005. Minneapolis, Min. 23-28 Oct. , pp. 359-366. http://vis.cs.ucdavis.edu/~correac/docs/correa.pdf Animation, Transfer Functions pubmap/vis05.jpg Abstracts and Posters 2008 Intuitive Social Network Graphs Award: Visual Analytics of Cell Phone Data using MobiVis and OntoVis. Carlos D. Correa, Tarik Crnovrsanin, Christopher Muelder, Zeqian Shen, Ryan Armstrong, James Shearer and Kwan-Liu Ma. IEEE VAST 2008 Symposium Challenge , 2008. http://vis.cs.ucdavis.edu/~correac/docs/vast08.pdf Visual Analytics, Networks pubmap/vast08.png Abstracts and Posters 2007 Visualizing Collision Effects Between Penetrating and Non-Penetrating Objects Carlos D. Correa and Deborah Silver. SIGGRAPH 2007 Sketch http://vis.cs.ucdavis.edu/~correac/docs/sketch_0527_final.pdf Illustrative Deformation, Animation pubmap/siggraph07.jpg Abstracts and Posters 2007 Shape-Aware Focus and Context Views for Plasma Turbulence Simulation. Kristina Bennett, Deborah Silver, Carlos Correa, Scott Klasky, Seung-Hoe Ku. IEEE Visualization'07, Poster Compendium Illustrative Deformation, Scivis pubmap/visposter07.png Conference 2005 Deforming and Animating Discretely Sampled Object Representations. M. Chen, C. Correa, S. Islam, M.W. Jones, P.-Y. Shen, D. Silver, S. J. Watson, P.J. Willis (In Alphabetical Order). Eurographics, State of the Art Reports (STAR), August 29 - September 2, 2005, pp. 113-140. http://vis.cs.ucdavis.edu/~correac/docs/ST6.pdf Illustrative Deformation pubmap/eg05.png Abstracts and Posters 2005 Volumetric Manipulation for Dosimetry Simulations. D. Silver, K. Yaws, C. Correa, W. Hurt, P. Mason and J. Ziriax. Poster Presentation at: Bioelectromagnetics 2005, Dublin, Ireland, June 19- 24, 2005. http://www.caip.rutgers.edu/vizlab_group_files/silver/AIRFORCE/poster.pdf Illustrative Deformation pubmap/bems.png Journal 2004 Software Framework for Managing Heterogeneity in Mobile Collaborative Systems. C.D. Correa and I. Marsic, Computer-Supported Cooperative Work: The Journal Of Collaborative Computing. Kluwer Academic Publishers, 13(5-6): 603-638 (2004) 2004- http://www.caip.rutgers.edu/disciple/Publications/CSCWJ04.pdf Conference 2005 An Optimization Approach to Group Coupling in Heterogeneous Collaborative Systems. C.D. Correa and I. Marsic, ACM International Conference on Supporting Group Work (GROUP'05), Sanibel Island, FL, November 6-9, pp. 274-283, 2005. http://www.caip.rutgers.edu/~cdcorrea/docs/group2005.pdf pubmap/group05.png Conference 2004 Asymmetric collaboration through tele-presence. A. Morde, C. Correa, J. Hou, S. K. Ganapathy, A. Krebs, I. Marsic, M. Bouzit, L. Rabiner. ETP'04: Proceedings of the 2004 ACM SIGMM workshop on Effective telepresence, pp. 57-58, New York, 2004. 2004- http://www.caip.rutgers.edu/~cdcorrea/docs/p57-morde.pdf Conference 2003 Software framework for managing heterogeneity in mobile collaborative systems. Carlos D. Correa, Ivan Marsic. GROUP 2003: 125-134 2004- http://www.caip.rutgers.edu/disciple/Publications/group2003.pdf Abstracts and Posters 2004 The Parallel Worlds System for Collaboration among Virtual and Augmented Reality Users. C. D. Correa, A. Agudelo, A. M. Krebs, I. Marsic, J. Hou, A. Morde, and S. K. Ganapathy, IEEE and ACM International Symposium on Mixed and Augmented Reality (ISMAR'04), 2004. 2004- http://www.caip.rutgers.edu/disciple/Publications/ismar2004_demo.pdf Conference 2004 A Simplification Architecture for Exploring Navigation Tradeoffs in Mobile VR. C. D. Correa and I. Marsic. Proceedings of the IEEE Virtual Reality Conference (VR2004), pages 133- 140, Chicago, IL, March 27-31, 2004. 2004- http://www.caip.rutgers.edu/disciple/Publications/vr2004.pdf Abstracts and Posters 2004 Collaboration in Parallel Worlds. Ashutosh Morde, Jun Hou, S. Kicha Ganapathy, Carlos Correa, Allan Krebs, Lawrence Rabiner. Proceedings of the 6th International Conference on Multimodal Interfaces, ICMI'04. Penn State University, State College, PA, October 14 - 15, ACM, 2004. 2004- http://www.caip.rutgers.edu/~cdcorrea/docs/p270-morde.pdf Courses and Talks 2010 Distance visualization of ultrascale data with explorable images Kwan-Liu Ma, Anna Tikhonova and Carlos D. Correa. ACM SIGGRAPH 2010 Talks. http://portal.acm.org/citation.cfm?id=1837026.1837038 Explorable Images, Insitu-Vis pubmap/siggraphtalk2010.png Courses and Talks 2003 A Study on the Impact of Heterogeneous Platforms on Collaboration Patterns and Performance. C. Correa, B. Dorohonceanu, A. Sarcevic, M. Tremaine, and M. Velez (In alphabetical order). 20th Annual Symposium and Open House, Human-Computer Interaction Lab, University ofMaryland, College Park, MD, 29-30 May 2003. 2004- http://vis.cs.ucdavis.edu/~correac/docs/HCIL2003.pdf Courses and Talks 2008 Interactive Tools for Scientific and Medical Illustration Composition; Bill Andrews, Stefan Bruckner, Wei Chen, Carlos D. Correa, David S. Ebert, Mario Costa Sousa and Ivan Viola. Eurographics Tutorials, 2008. http://diglib.eg.org/EG/DL/conf/EG2008/tutorials Scivis, Biovis, Illustrative Deformation pubmap/eg08.png Courses and Talks 2007 Illustrative Deformations of Volume Objects. In Tutorial 7: Illustrative Display and Interaction in Visualization, IEEE Visualization 2007, with Ivan Viola, Stefan Bruckner, Mario Costa Sousa and David S.Ebert, October, 2007. http://vis.computer.org/vis2007/session/tutorials.html#t7 Illustrative Deformation pubmap/vistut07.png Courses and Talks 2007 Visualizing Complex Datasets via Illustrative Deformation. Biological Sciences Seminar, University of California, Davis, September 2007 Illustrative Deformation Courses and Talks 2007 Illustrative Deformation for the Visualization of Complex Structures. Computer Science Seminar, Brown University, April 2007 Illustrative Deformation Courses and Talks 2005 "Hands-in" Visualization: An Active Approach for Interactive Manipulation of Volumetric Objects. IBM Graphics and Visualization Student Symposium. December, 2005. http://www.research.ibm.com/gvss/2005.htm Illustrative Deformation pubmap/ibm05.png Abstracts and Posters 1998 Collaborative Virtual Environments as means to support Distance Education in Colombia. Carlos David Correa, Miguel Angel Gonzalez, Juliana Restrepo, Christian Trefftz, Helmuth Trefftz. Second International Conference on Collaborative Virtual Environments, CVE'98. Manchester, 1998. 2004- Conference 1997 Distance Education and Distributed Virtual Environments. H. Trefftz, C. Correa, M. A. Gonzalez, G. Imbeau, J. Restrepo, M. I. Velez, C. Trefftz, The Virtual Campus: Trends for Higher Education and Training , Madrid, Spain, November 27 - 29, 1997. 2004- Conference 2003 A Flexible Architecture to Support Awareness in Heterogeneous Collaborative Environments. Carlos D. Correa and Ivan Marsic. In: International Symposium on Collaborative Technologies and Systems (CTS2003), 2003. p.69 - 77 2004- http://www.caip.rutgers.edu/disciple/Publications/cts2003.pdf Thesis 2007 Illustrative Deformation of Volumetric Objects. Carlos D. Correa. Rutgers University, 2007. http://www.caip.rutgers.edu/~cdcorrea/thesis/dissertation.pdf Illustrative Deformation Thesis 2003 An Architecture for Semantic Consistency Optimization in Heterogeneous Virtual Environments. Carlos D. Correa. Masters Thesis, Rutgers University, 2003. 2004- Thesis 1998 Avalon. A Software Framework for Shared Virtual Environments applied to Education. Carlos D. Correa. Bachelors Thesis, EAFIT University, 1998. 2004-