Postdoctoral Researcher University of California, Davis 2075 Academic Surge phone: +1 (530)

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1 Harald Obermaier Postdoctoral Researcher University of California, Davis 2075 Academic Surge phone: +1 (530) One Shields Avenue, Davis, CA 95616, USA Education Ph.D. (Dr. rer. nat.), Computer-Science, 2011 With honor (summa cum laude) University of Kaiserslautern, Germany Fraunhofer Institute for Industrial Mathematics ITWM, Germany Thesis: Multi-Field Visualization Master s degree (Dipl.-Inf.), Computer-Science, 2008 With honor University of Kaiserslautern, Germany Thesis: Feature-Based Visualization of Gridless Vector Fields Current Position Postdoctoral Researcher Institute for Data Analysis Visualization University of California, Davis Advised 12 graduate students; investigated, executed, oversaw research projects in the field of interactive visual data analysis. Implemented, published, presented research on graphics, data analysis, visualization (collaborated with scientists in Computational Sciences, Earth Physical Sciences); contributed to 3 grants. Served in 3 international program committees; reviewed publications for over 10 conferences journals. Awards Honors Best paper award for Comparative Visual Analysis of Lagrangian Transport in CFD Ensembles at IEEE Conference on Visualization 2013, the premier venue in the field of scientific visualization. Best paper award (one of five) for Interactive visualization of scattered moment tensor data at Conference on Visualization Data Analysis (VDA) PhD with honor (summa cum laude) from the University of Kaiserslautern Master s degree with honor from the University of Kaiserslautern Beginner s Scholarship awarded by the University of Kaiserslautern the Fraunhofer IESE

2 Publications Journal Articles 1. H. Obermaier, K. I. Joy. Future Challenges for Ensemble Visualization, IEEE Computer Graphics Applications, 2014 (in press). 2. L. Gosink, K. Bensema, T. Pulsipher, H. Obermaier, M. Henry, H. Childs, K. I. Joy. Characterizing Visualizing Predictive Uncertainty in Numerical Ensembles Through Bayesian Model Averaging, IEEE Transactions on Visualization Computer Graphics, vol. 19, no. 12, pp , M. Hummel, H. Obermaier, C. Garth, K. I. Joy. Comparative Visual Analysis of Lagrangian Transport in CFD Ensembles, IEEE Transactions on Visualization Computer Graphics, vol. 19, no. 12, pp , best paper award 4. I. Prilepov, H. Obermaier, E. Deines, C. Garth, K. Joy. Cubic Gradient-Based Material Interfaces, IEEE Transactions on Visualization Computer Graphics, vol. 19, no. 10, pp , S. Shafii, H. Obermaier, R. Linn, E. Koo, M. Hlawitschka, C. Garth, B. Hamann, K. Joy. Visualization Analysis of Vortex-Turbine Intersections in Wind Farms, IEEE Transactions on Visualization Computer Graphics, vol. 19, no. 9, pp , S. Schröder, J. A. Peterson, H. Obermaier, L. H. Kellogg, K. I. Joy, H. Hagen. Visualization of Flow Behavior in Earth Mantle Convection, IEEE Transactions on Visualization Computer Graphics, vol. 18, no. 12, pp , Oct H. Obermaier K. I. Joy. Derived Metric Tensors for Flow Surface Visualization, IEEE Transactions on Visualization Computer Graphics, vol. 18, no. 12, pp , Oct H. Obermaier, M. Hering-Bertram, H. Hagen. Topological Flow Volume Extraction from Time-Surface Maps, Computer Aided Geometric Design Journal, Elsevier, vol. 30, no. 6, pp , H. Obermaier, M. I. Billen, K. I. Joy, H. Hagen, M. Hering-Bertram. Visualization multivariate clustering of scattered moment tensors. Information Visualization Journal (IVS) 2011, vol. 11, pp F. Chen, H. Hagen, H. Obermaier, B. Hamann. Topology Analysis of Time Dependent Multi-fluid Data Using The Reeb Graph, Computer Aided Geometric Design Journal, Elsevier, vol. 30, no. 6, pp , H. Obermaier, J. Mohring, E. Deines, M. Hering-Bertram, H. Hagen. On Mesh- Free Valley Surface Extraction with Application to Low Frequency Sound Simulation, IEEE Transactions on Visualization Computer Graphics, vol. 18, no. 2, pp , Feb

3 12. H. Obermaier, M. I. Billen, H. Hagen, M. Hering-Bertram, B. Hamann. (2011), Visualizing Strain Anisotropy in Mantle Flow Fields. Computer Graphics Forum, 30: H. Obermaier, M. Hering-Bertram, J. Kuhnert H. Hagen. (2009), Volume Deformations in Grid-Less Flow Simulations. Computer Graphics Forum, 28: Book Chapters 14. A. Agranovsky, H. Obermaier, K. I. Joy. A Framework for the Visualization of Finite-Time Continuum Mechanics Effects in Time-Varying Flow, Advances in Visual Computing, LNCS Vol (9th International Symposium, ISVC 2013), pp , Springer Berlin Heidelberg 15. H. Obermaier K. I. Joy. Function Field Analysis for the Visualization of Flow Similarity in Time-Varying Vector Fields, International Symposium on Visual Computing 2012, LNCS 732, Part II, pp Springer, Heidelberg 16. H. Obermaier, J. Kuhnert, M. Hering-Bertram, H. Hagen. Stream volume segmentation of grid-less flow simulation, Topological Methods in Data Analysis Visualization: Theory, Algorithms Applications (2011), pp Springer Berlin Heidelberg. Conference Workshop Proceedings 17. J. Chler, H. Obermaier, K. I. Joy. Illustrative Rendering of Particle Systems, Proc. of Vision, Modeling, Visualization (VMV 2013), pp L. Hüttenberger, H. Obermaier, C. Garth, K. Joy, H. Hagen. Topological Aspects of Material Interface Reconstruction: Challenges Perspectives, Workshop on Topology-Based Methods in Data Analysis Visualization. 19. S. Shafii, H. Obermaier, B. Hamann, K. Joy. Topological Features in Glyph- Based Corotation Visualization, Workshop on Topology-Based Methods in Data Analysis Visualization. 20. H. Obermaier, F. Chen, H. Hagen, K. I. Joy. Visualization of Material Interface Stability. IEEE Symposium on Pacific Visualization 2012, pp H. Obermaier, M. Hering-Bertram, J. Kuhnert, H. Hagen. Generation of Adaptive Streak Surfaces Using Moving Least Squares. In Proceedings of Dagstuhl Scientific Visualization Workshop, DFU, Vol. 2, Scientific Visualization: Interactions, Features, Metaphors (2011), pp S. Schröder, H. Obermaier, C. Garth, K. I. Joy. Feature-based Visualization of Dense Integral Line Data. In: VLUDS 2011, OpenAccess Series in Informatics (OASIcs), 27: 71-87, 2011.

4 23. H. Obermaier, M. I. Billen, H. Hagen, M. Hering-Bertram. Interactive Visualization of Scattered Moment Tensor Data. In Visualization Data Analysis 2011, Proc. of SPIE-IS&T Electronic Imaging, SPIE Vol. 7868, 78680I best paper award 24. H. Obermaier, M. Hering-Bertram, J. Kuhnert, H. Hagen. On Moving Least Squares Based Flow Visualization. In: VLUDS 2010, OpenAccess Series in Informatics (OASIcs), 19: 55-63, Abstracts Short Papers 25. H. Obermaier, K. I. Joy. Local Data Models for Probabilistic Transfer Function Design, In Eurographics Conference on Visualization (EuroVis 2013) - Short Papers, pp S. Shafii, H. Obermaier, V. Kolar, M. Hlawitschka, C. Garth, B. Hamann, K. I. Joy. Illustrative Rendering of Vortex Cores, In Eurographics Conference on Visualization (EuroVis 2013) - Short Papers, pp S. Schröder, J. A. Peterson, E. M. Heien, H. Obermaier, D. L. Turcotte, L. H. Kellogg, H. Hagen. Visualization of Flow Properties in Mantle Convection: Understing Homogenization in CitcomS. American Geophysical Union Fall Meeting, 5-9 December, H. Obermaier, M. Hering-Bertram, H. Hagen. Time-Surface Maps. Foundations of Topological Data Analysis, Workshop. IEEE Conference on Visualization Teaching Research Positions Held Spring / / / /2011 Lecturer University of California, Davis Taught senior-level undergraduate course Computer Graphics (60 students). Managed teaching assistant; developed course contents, projects, exams. Assigned grades. Teaching Assistant University of Kaiserslautern Tutored students for two graduate courses: Computer Animation Visualization Virtual Reality Managed discussion sessions; coordinated project presentations; designed, developed, graded homework projects. Doctoral Student University of Kaiserslautern (IRTG 1131 funded by scholarship from the German Research Foundation). Associated doctoral student at the Fraunhofer Institute for Industrial Mathematics (Fraunhofer ITWM), Kaiserslautern. Performed research in multi-field visualization. Co-supervised bachelor master students.

5 Advising Activities Current (PhD Students) USA (with Kenneth I. Joy): Alexy Agranovsky: Lagrangian flow techniques Kevin Bensema: Visualization analysis of ensemble data Jennifer Chler: Computational visualization techniques for particle based flow Sohail Shafii: Vortex core methods USA & Germany (with Hans Hagen Christoph Garth): Anne Berres: Metric fields Mathias Hummel: Ensemble Flow Visualization Past (PhD Master Students) USA (with Kenneth I. Joy): Ferno Fuentes: Ensemble data visualization Eugene Kadish: Material interface reconstruction Roberto Martinez: Material interface reconstruction Iuri Prilepov: Material interface reconstruction USA & Germany (with Hans Hagen Christoph Garth): Lars Hüttenberger: Topological methods Simon Schröder: Stochastic modeling visualization of particle-line interactions Germany (with Hans Hagen Martin Hering-Bertram) Kai Hammann: 3D Rekonstruktion von Oberflächen aus 2D Bilddaten mittels Maximum-Likelihood Parameterschätzung (Master Thesis) Gerrit Eberle: Adjustment of Acoustic Parameters to Measurements (Master Thesis) Simon Schröder: Surface Reconstruction from 3D Point Clouds with Associated Image Correspondences (Master Thesis)

6 Grant Activities Co- Investigator (no control over funds) Scalable Data Management, Analysis, Visualization Agency: Department of Energy s Office of Science SciDAC program Duration: Feb Jan Amount: $25,000,000 Lagrangian Visualization Methods for Very Large Time-Dependent Vector Fields (PI: Kenneth Joy, Co-PI: Christoph Garth) Agency: National Science Foundation (Information Intelligent Systems IIS) Duration: , extension through 2014 Amount: $450,000 Enhanced Query-Driven Techniques for Uncertainty Comparative Visualization (PI: Kenneth Joy, Co-PI: Christoph Garth) Agency: National Science Foundation (Information Intelligent Systems IIS) Duration: , extension through 2014 Amount: $450,000 Service Professional Activities Affiliations Member of IEEE Computer Society since 2011 Committees Conference on Visualization Data Analysis (VDA) 2012, 2013, 2014 IADIS International Conference Computer Graphics, Visualization, Computer Vision Image Processing (CGVCVIP) 2012, 2013 Eurographics Conference on Visualization 2013 Short Papers University Service Elected Member of the CS Student Association Council University of Kaiserslautern, Germany ( ). Student Member of the University Public Relations Committee University of Kaiserslautern, Germany ( ). Student Member of the University Finance Committee University of Kaiserslautern, Germany ( ). Head of Finances of the the CS Student Association University of Kaiserslautern, Germany ( ).

7 Reviewing Conference Workshop Presentations Invited Presentations IEEE Transactions on Visualization Computer Graphics (Journal) Computer Aided Geometric Design (Journal) The Visual Computer (Journal) IEEE Conference on Visualization IEEE Pacific Visualization Symposium Eurographics/IEEE Symposium on Visualization Eurographics Symposium on Parallel Graphics Visualization Conference on Visualization Data Analysis IADIS International Conference on Computer Graphics, Visualization, Computer Vision Image Processing Dagstuhl Seminars Workshops Workshop on Topology-Based Methods in Data Analysis Visualization Local Data Models for Probabilistic Transfer Function Design Eurographics Conference on Visualization 2013, Leipzig, Germany. Derived Metric Tensors for Flow Surface Visualization IEEE Conference on Visualization 2012, Seattle, USA. Function Field Analysis for the Visualization of Flow Similarity in Time- Varying Vector Fields International Conference on Visual Computing 2012, Crete, Greece. Visualization of Material Interface Stability IEEE PacificVis 2012, Songdo, Korea. Interactive Visualization of Scattered Moment Tensor Data Visualization Data Analysis 2011, San Francisco, USA. Time-Surface Maps IEEE Conference on Visualization 2010, Salt Lake City, USA. Stream Volume Segmentation of Grid-Less Flow Simulation TopoInVis 2009, Snowbird, USA. Volume Deformations in Grid-Less Flow Simulations Eurographics Symposium on Visualization 2009, Berlin, Germany. Metric Tensors for Flow Visualization SDAV All-Hs Meeting 2013, San Francisco, USA. On Visualization of Dense Line Data Scientific Visualization Workshop 2011, Dagstuhl, Germany. Volume Deformations in Grid-Less Flow Simulations GRK Workshop 2009, Dagstuhl, Germany. Multi-Field Visualization IEEE Conference on Visualization 2009 Doctoral Colloquium, Atlantic City, USA.