Dr. Joachim Georgii

Topics of Research

• Physics-based Simulation 
• Deformable Objects
• Visual Computing
• Multigrid Techniques
• Biomedical Applications

Teaching Activities

• Simulation and Animation (Summer Term 10)
• Bildsynthese (Winter Term 09/10)
• Proseminar - Realtime Computer Graphics (Winter Term 09/10)
• Simulation and Animation (Summer Term 09)
• Image Synthesis (Winter Term 08/09)
• Simulation and Animation (Summer Term 08)
• Scientific Visualization (Winter Term 07/08)
• Proseminar - Computer Grafik und Visualisierung (Summer Term 07)
• Diskrete Strukturen (Winter Term 06/07)
• Programmierpraktikum Computer Graphics (Summer Term 06)
• Proseminar Computer Graphics (Winter Term 05/06)
• Programmierpraktikum Computer Graphics (Summer Term 05)
• Proseminar Computer Graphics (Winter Term 04/05)
• Proseminar Computer Graphics (Summer Term 04)
• Seminar Computer Graphics (Summer Term 04)
• COME-Practical (Winter Term 03/04)

Publications

A Hexahedral Multigrid Approach for Simulating Cuts in Deformable Objects
C. Dick, J. Georgii, R. Westermann,
IEEE Transactions on Visualization and Computer Graphics

A Real-Time Multigrid Finite Hexahedra Method for Elasticity Simulation using CUDA
C. Dick, J. Georgii, R. Westermann,
Simulation Modelling Practice and Theory 19(2):801-816, 2011

Interactive Deformations with Multigrid Skeletal Constraints
J. Georgii, D. Lagler, C. Dick, R. Westermann,
VRIPHYS Workshop in Virtual Reality Interactions and Physical Simulations 2010
Winner of Best Paper Award

A Streaming Approach for Sparse Matrix Products and its Application in Galerkin Multigrid Methods
J. Georgii and R. Westermann,
Electronic Transactions on Numerical Analysis Vol. 37 [Download] [Bibtex]

Stress Tensor Field Visualization for Implant Planning in Orthopedics
C. Dick, J. Georgii, R. Burgkart, R. Westermann,
IEEE Transactions on Visualization and Computer Graphics 15(6):1399-1406, 2009 IEEE Visualization 2009)

Interactive Geometry Decals
J. Schneider, J. Georgii, R. Westermann,
In Proc. International Conference on Vision, Modelling, and Visualization (VMV) 2009

A 3D Simulation System for Hip Joint Replacement Planning
C. Dick, J. Georgii, R. Burgkart, R. Westermann,
World Congress on Medical Physics and Biomedical Engineering 2009

Real-time Approaches for Model-based PIV and Visual Fluid Analysis
P. Kondratieva, K. Bürger, J. Georgii, R. Westermann,
Notes on Numerical Fluid Mechanics and Multidisciplinary Design [Download] [Bibtex]

Corotated Finite Elements Made Fast and Stable
J. Georgii, R. Westermann,
VRIPHYS Workshop in Virtual Reality Interactions and Physical Simulations 2008

Computational Steering for Patient-Specific Implant Planning in Orthopedics
C. Dick, J. Georgii, R. Burgkart, R. Westermann,
Visual Computing for Biomedicine 2008
Winner of Best Paper Award

Interactive Simulation and Visualization in Joint Replacement Surgery
C. Dick, J. Georgii, R. Westermann,
Internationale Biomechanik- und Biomaterial-Tage 2008

A Real-time Model-based Approach for the Reconstruction of Fluid Flows induced by Microorganisms
P. Kondratieva, J. Georgii, H. Petermeier, W. Kowalczyk, A. Delgado, R. Westermann
Experiments in Fluids (2008), 45:203-222 [Download]

Real-Time Simulation and Visualization of Deformable Objects
Joachim Georgii,
Ph. D. Thesis [Download] [Bibtex]

Interactive Collision Detection for Deformable and GPU objects
J. Georgii, J. Krüger, R. Westermann,
IADIS International Journal on Computer Science and Information Systems Vol. 2 Number 2 (October 2007) [Download] [Bibtex]

Interactive Model-based Image Registration
T. Schiwietz, J. Georgii, R. Westermann,
Conference on Vision, Modeling, and Visualization (VMV) 2007

Freeform Image
T. Schiwietz, J. Georgii, R. Westermann,
Pacific Graphics 2007

Interactive GPU-based Collision Detection
J. Georgii, J. Krüger, R. Westermann,
IADIS Computer Graphics and Visualization 2007
Outstanding Paper Award Winner

Advanced Volume Rendering for Surgical Training Environments
J. Georgii, M. Eder, L. Kovacs, A. Schneider, M. Dobritz, R. Westermann,
International Journal of Computer Assisted Radiology and Surgery (Proceedings of CARS) 2007

A Generic and Scalable Pipeline for GPU Tetrahedral Grid Rendering
J. Georgii, R. Westermann,
IEEE Transactions on Visualization and Computer Graphics (Proceedings of IEEE Visualization 2006)

Advanced Volume Rendering Techniques for Medical Applications
J. Georgii, J. Schneider, J. Krüger, R. Westermann, M. Eder, L. Kovacs,
5. Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie (CURAC), 2006

Echtzeitverfahren zur modellbasierten Rekonstruktion von Strömungsfeldern aus experimentell bestimmten Partikelsequenzen
P. Kondratieva, J. Georgii, R. Westermann,
14. Fachtagung über Lasermethoden in der Strömungsmesstechnik (GALA 2006)

A Multigrid Framework for Real-Time Simulation of Deformable Bodies
J. Georgii, R.Westermann,
Computers & Graphics, Vol. 30, No. 3, 2006

Interactive Simulation and Rendering of Heterogeneous Deformable Bodies
J. Georgii, R.Westermann,
Vision, Modeling and Visualization 2005

A Multigrid Framework for Real-Time Simulation of Deformable Volumes
J. Georgii, R.Westermann,
VRIPHYS Workshop in Virtual Reality Interactions and Physical Simulations 2005

Mass-Spring Systems on the GPU
J. Georgii, R. Westermann,
Simulation Practice and Theory 2005

Interactive Simulation of Deformable Bodies on GPUs
J. Georgii, F. Echtler, R. Westermann,
Simulation and Visualization 2005

Physically Accurate Real-Time Simulation of Deformable Bodies for Surgical Training and Therapy Planning
J. Georgii, R. Westermann, H. Feussner,
Curac 2004 [Download] [Bibtex]