Graphics & Geometry Group

Publications

2016

Evolvability as a Quality Criterion for Linear Deformation Representations in Evolutionary Optimization
Andreas Richter, Jascha Achenbach, Stefan Menzel, Mario Botsch
IEEE Congress on Evolutionary Computation, 2016, pp. 901-910.
[PDF] 
Non-Negative Kernel Sparse Coding for the Analysis of Motion Data
Babak Hosseini, Felix Hüsmann, Mario Botsch, Barbara Hammer
International Conference on Artificial Neural Networks (ICAAN), 2016.
Constrained Space Deformation Techniques for Design Optimization
Daniel Sieger, Sergius Gaulik, Jascha Achenbach, Stefan Menzel, Mario Botsch
Computer Aided Design 73, 2016, pp. 40-51.
[PDF] 
Proceedings of Symposium on Solid & Physical Modeling 2016
Mario Botsch, Stefanie Hahmann, Scott Schaefer (guest editors)

2015

Fully Automatic Optical Motion Tracking using an Inverse Kinematics Approach
Jonathan Maycock, Tobias Röhlig, Matthias Schröder, Mario Botsch, Helge Ritter
Proceedings of IEEE-RAS International Conference on Humanoid Robots, 2015, pp. 461-466.
Realizing a Low-latency Virtual Reality Environment for Motor Learning
Thomas Waltemate, Felix Hülsmann, Thies Pfeiffer, Stefan Kopp, Mario Botsch
Proceedings of ACM Symposium on Virtual Reality Software and Technology (VRST), 2015, pp. 139-147.
A Multimodal System for Real-Time Action Instruction in Motor Skill Learning
Iwan de Kok, Julian Hough, Felix Hülsmann, Mario Botsch, David Schlangen, Stefan Kopp
Proceedings of ACM International Conference on Multimodal Interaction, 2015, pp. 355-362.
[PDF] 
Reduced Marker Layouts for Optical Motion Capture of Hands
Matthias Schröder, Jonathan Maycock, Mario Botsch
Proceedings of ACM Motion in Games, 2015, pp. 7-16.
To Stylize or not to Stylize? The Effect of Shape and Material Stylization on the Perception of Computer-Generated Faces
Eduard Zell, Carlos Aliaga, Adrian Jarabo, Katja Zibrek, Diego Gutierrez, Rachel McDonnell, Mario Botsch
ACM Trans. on Graphics 34(6), SIGGRAPH Asia 2015, pp. 184:1-184:12.
Accurate Face Reconstruction through Anisotropic Fitting and Eye Correction
Jascha Achenbach, Eduard Zell, Mario Botsch
Proceedings of Vision, Modeling and Visualization, 2015, pp. 1-8.
[PDF] 
Robust Articulated-ICP for Real-Time Hand Tracking
Andrea Tagliasacchi, Matthias Schröder, Anastasia Tkach, Sofien Bouaziz, Mario Botsch, Mark Pauly
Computer Graphics Forum 34(5), Proc. Symp. on Geometry Processing, 2015, pp. 101-114 (Best Paper Award).
Multi-Level Analysis of Motor Actions as a Basis for Effective Coaching in Virtual Reality
Felix Hülsmann, Cornelia Frank, Thomas Schack, Stefan Kopp, Mario Botsch
International Symposium on Computer Science in Sport, 2015, pp. 211-214.
[PDF] 
Demonstrating the Dialogue System of the Intelligent Coaching Space
Iwan de Kok, Julian Hough, Felix Hülsmann, Mario Botsch, David Schlangen, Stefan Kopp
Proceedings of SemDial 2015 (GODIAL), pp. 168-169.
[PDF] 
On Shape Deformation Techniques for Simulation-based Design Optimization
Daniel Sieger, Stefan Menzel, Mario Botsch
New Challenges in Grid Generation and Adaptivity for Scientific Computing, SEMA SIMAI Springer Series, 2015, pp. 281-303.
[PDF] 
Evolvability of Representations in Complex System Engineering: a Survey
Andreas Richter, Mario Botsch, Stefan Menzel
IEEE Congress on Evolutionary Computation, 2015, pp. 1327-1335.
[PDF] 
Articulation Estimation and Real-Time Tracking of Human Hand Motions
Matthias Schröder
[PDF] 
Proceedings of Geometric Modeling and Processing 2015
Mario Botsch, Falai Chen, Andrew Gilette (guest editors)

2014

Online Adaptive PCA for Inverse Kinematics Hand Tracking
Matthias Schröder, Mario Botsch
Proceedings of Vision, Modeling and Visualization, 2014, pp. 111-118.
Constrained Space Deformation for Design Optimization
Daniel Sieger, Stefan Menzel, Mario Botsch
Proceedia Engineering 82 (Proc. International Meshing Roundtable), 2014, pp. 114-126 (Best Paper Award).
[PDF] 
Membrane Mapping: Combining Mesoscopic and Molecular Cell Visualization
Thomas Waltemate, Björn Sommer, Mario Botsch
Proceedings of Eurographics Workshop on Visual Computing for Biology and Medicine, 2014, pp. 89-96.
Deformable Registration using Patch-Wise Shape Matching
Francesco Bonarrigo, Alberto Signoroni, Mario Botsch
Graphical Models 76(5), (Proc. GMP), 2014, pp. 554-565.
[PDF] 
A Natural Movement Database for Management, Documentation, Visualization, Mining and Modeling of Locomotion Experiments
Leslie Theunissen, Michael Hertrich, Cord Wiljes, Eduard Zell, Christian Behler, Andre Krause, Holger Bekemeier, Philipp Cimiano, Mario Botsch, Volker Dürr
Proceedings of Living Machines, 2014, pp. 308-319.
Real-Time Hand Tracking using Synergistic Inverse Kinematics
Matthias Schröder, Jonathan Maycock, Helge Ritter, Mario Botsch
IEEE International Conference on Robotics and Automation (ICRA), 2014, pp. 5447-5454.
RBF Morphing Techniques for Simulation-based Design Optimization
Daniel Sieger, Stefan Menzel, Mario Botsch
Engineering with Computers, 30(2), 2014, pp. 161-174
Real-life memory and spatial navigation in patients with focal epilepsy: Ecological validity of a virtual-reality supermarket task
Philipp Grewe, Denise Lahr, Agnes Kohsik, Eugen Dyck, Hans Markowitsch, Christian Bien, Mario Botsch, Martina Piefke
Epilepsy & Behavior 31, 2014, pp. 57-66

2013

Evaluation of Surround-View and Self-Rotation in the OctaVis VR-System
Eugen Dyck, Thies Pfeiffer, Mario Botsch
Proceedings of Joint Virtual Reality Conference, 2013
[PDF] 
ElastiFace: Matching and Blending Textured Faces
Eduard Zell, Mario Botsch
Proceedings of International Symposium on Non-Photorealistic Animation and Rendering (NPAR), 2013
OctaVis: A Virtual Reality System for Clinical Studies and Rehabilitation
Eduard Zell, Eugen Dyck, Agnes Kohsik, Philip Grewe, David Flentge, York Winter, Martina Piefke, Mario Botsch
Proceedings of Eurographics Short and Medical Prize Papers, 2013 (EG Medical Prize, 3rd place)
[PDF] 
Adaptive Remeshing for Real-Time Mesh Deformation
Marion Dunyach, David Vanderhaeghe, Loïc Barthe, Mario Botsch
Proceedings of Eurographics Short Papers, 2013
Analysis of Hand Synergies for Inverse Kinematics Hand Tracking
Matthias Schröder, Jonathan Maycock, Helge Ritter, Mario Botsch
Proceedings of IEEE International Conference on Robotics and Automation (ICRA), Workshop on Hand Synergies, 2013
[PDF] 
Learning real-life cognitive abilities in a novel 360° virtual reality supermarket: a neuropsychological study of healthy participants and patients with epilepsy
Philip Grewe, Agnes Kohsik, David Flentge, Eugen Dyck, Christian Bien, York Winter, Mario Botsch, Hans J. Markowitsch, Martina Piefke
Journal of NeuroEngineering and Rehabilitation 10(42), 2013

2012

Real-Time Hand Tracking with a Color Glove for the Actuation of Anthropomorphic Robot Hands
Matthias Schröder, Christof Elbrechter, Jonathan Maycock, Robert Haschke, Mario Botsch, Helge Ritter
Proceedings of IEEE-RAS International Conference on Humanoid Robots, 2012, pp. 262-269
OctaVis: An Easy-to-Use VR-System for Clinical Studies
Eugen Dyck, Eduard Zell, Agnes Kohsik, Philip Grewe, York Winter, Martina Piefke, Mario Botsch
Proceedings of Virtual Reality Interaction and Physical Simulation (VRIPHYS), 2012, pp. 127-136
High Quality Mesh Morphing Using Triharmonic Radial Basis Functions
Daniel Sieger, Stefan Menzel, Mario Botsch
Proceedings of the 21st International Meshing Roundtable, 2012, pp. 1-15
OctaVis: Optimization Techniques for Multi-GPU Multi-View Rendering
Eugen Dyck, Holger Schmidt, Martina Piefke, Mario Botsch
Journal of Virtual Reality and Broadcasting 9(6), 2012
[PDF] 
Developing design guidelines for characters from analyzing empirical studies on the uncanny valley
Eduard Zell, Mario Botsch
Proceedings of ACM International Symposium on Facial Analysis and Animation, 2012
[PDF] 
A Comprehensive Comparison of Shape Deformation Methods in Evolutionary Design Optimization
Daniel Sieger, Stefan Menzel, Mario Botsch
Proceedings of International Conference on Engineering Optimization, 2012
The role of visual-spatial working memory in map learning and way-finding
Christian Poth, Philip Grewe, David Flentge, Eugen Dyck, Mario Botsch, Martina Piefke
Jahreskongress der Deutschen Gesellschaft für Psychologie (DGPs), 2012
Einkaufstraining in einem virtuellen Supermarkt: zwei Fallstudien mit aphasischen Patienten
Katharina Platner, Jennifer Müller, Thomas Brand, Judith Bartoschek, Eugen Dyck, Mario Botsch, Martina Piefke
Jahrestagung der Gesellschaft für Neuropsychologie (GNP), 2012
Shape Deformation Tutorial
Mario Botsch
Graduate School at Eurographics Symp. on Geometry Processing 2012

2011

Example-Driven Deformations Based on Discrete Shells
Stefan Fröhlich, Mario Botsch
Computer Graphics Forum 30(8), 2011, pp. 2246-2257.
Design, Implementation, and Evaluation of the Surface_mesh Data Structure
Daniel Sieger, Mario Botsch
Proceedings of the 20th International Meshing Roundtable, 2011, pp. 533-550.
Pose Correction by Space-Time Integration
Janick Martinez Esturo, Christian Rössl, Stefan Fröhlich, Mario Botsch, Holger Theisel
Vision, Modeling and Visualization (VMV), 2011, pp. 33-40.
[PDF]  [Video]  , Supplementary Material: [PDF]
Proceedings of Eurographics Symposium on Geometry Processing 2011
Mario Botsch, Scott Schaefer (guest editors)
Computer Graphics Forum 30(5), 2011.
Evaluation of a 360°-Virtual Reality Supermarket for Neuropsychological Assessment and Training of Real-Life Memory Functions
Philip Grewe, Agnes Kohsik, David Flentge, Ines Degenhardt, Eugen Dyck, Mario Botsch, Martina Piefke
Jahrestagung der Gesellschaft für Neuropsychologie (GNP), 2011
Neuropsychological training of memory functions in a 360°-Virtual reality supermarket and correlations with real-life behavior
Philip Grewe, David Flentge, Agnes Kohsik, Ines Degenhardt, Jan Byszewski, Eugen Dyck, Mario Botsch, Martina Piefke
Jahreskongress der Deutschen Gesellschaft für Neurologie (DGN), 2011
Virtuelle Realität in der Neurorehabilitation: Evaluation eines 360° VR Supermarkts für das Training kognitiver Leistungen in einem virtuellen Supermarkt
Yasemin Coskun, Inga Hohnemann, Eugen Dyck, Martina Piefke
Jahrestagung der Deutschen Gesellschaft für Klinische Neurophysiologie und Funktionelle Bildgebung (DGKN), 2011
Mesh Smoothing Tutorial
Mario Botsch
Graduate School at Eurographics Symp. on Geometry Processing 2011

2010

Mario Botsch, Leif Kobbelt, Mark Pauly, Pierre Alliez, Bruno Levy
AK Peters, ISBN 978-1-56881-426-1, 2010.
Unified Simulation of Elastic Rods, Shells, and Solids
Sebastian Martin, Peter Kaufmann, Mario Botsch, Eitan Grinspun, Markus Gross
ACM Trans. on Graphics 29(4), SIGGRAPH 2010, pp. 39:1-39:10.
[PDF]  [Video]  , Supplementary Material: [PDF] [Video]
Optimizing Voronoi Diagrams for Polygonal Finite Element Computations
Daniel Sieger, Pierre Alliez, Mario Botsch
Proceedings of the 19th International Meshing Roundtable, 2010, pp. 335-350.
OctaVis: A Simple and Efficient Multi-View Rendering System
Eugen Dyck, Holger Schmidt, Mario Botsch
Proceedings of GI VR/AR Workshop, 2010, pp. 1-8.
[PDF] 

2009

Enrichment Textures for Detailed Cutting of Shells
Peter Kaufmann, Sebastian Martin, Mario Botsch, Eitan Grinspun, Markus Gross
ACM Trans. on Graphics 28(3), SIGGRAPH 2009, pp. 50:1-50:10.
Flexible Simulation of Deformable Models Using Discontinuous Galerkin FEM
Peter Kaufmann, Sebastian Martin, Mario Botsch, Markus Gross
Graphical Models 71(4), 2009, pp. 153-167.
Implementation of Discontinuous Galerkin Kirchhoff-Love Shells
Peter Kaufmann, Sebastian Martin, Mario Botsch, Markus Gross
Technical Report No. 622, ETH Zurich, 2009.
[PDF] 
Interactive Shape Modeling and Deformation
Olga Sorkine, Mario Botsch
Eurographics 2009 Course Notes

2008

On Linear Variational Surface Deformation Methods
Mario Botsch, Olga Sorkine
IEEE Transactions on Visualization and Computer Graphics, 14(1), 2008, pp. 213-230.
Polyhedral Finite Elements Using Harmonic Basis Functions
Sebastian Martin, Peter Kaufmann, Mario Botsch, Martin Wicke, Markus Gross
Computer Graphics Forum 27(5), Proc. Geometry Processing 2008, pp. 1521-1529 (Best Student Paper Award).
Flexible Simulation of Deformable Models Using Discontinuous Galerkin FEM
Peter Kaufmann, Sebastian Martin, Mario Botsch, Markus Gross
ACM SIGGRAPH / Eurographics Symp. on Computer Animation 2008, pp. 105-115.
Pose-Space Animation and Transfer of Facial Details
Bernd Bickel, Manuel Lang, Mario Botsch, Miguel Otaduy, Markus Gross
ACM SIGGRAPH / Eurographics Symp. on Computer Animation 2008, pp. 57-66.
Robust and Efficient Wave Simulations on Deforming Meshes
Roland Angst, Nils Thuerey, Mario Botsch, Markus Gross
Computer Graphics Forum 27(7), Proc. Pacific Graphics 2008, pp. 1895-1900.
A Hardware Processing Unit for Point Sets
Simon Heinzle, Gael Guennebaud, Mario Botsch, Markus Gross
Graphics Hardware 2008, pp. 21-31 (Best Paper Award).
[PDF] 
Finite Elemente Methoden auf konvexen Polyedern für physikalisch-basierte Schnittsimulation
Mario Botsch, Martin Wicke, Markus Gross
Invited paper, Jahrestagung Deutsche Gesellschaft für Medizinische Physik, 2008.
[PDF] 
Special Issue on Point-Based Graphics
Mario Botsch, Renato Pajarola (guest editors)
Computers & Graphics 32(2), 2008.
Geometric Modeling Based on Polygonal Meshes
Mario Botsch, Mark Pauly, Leif Kobbelt, Pierre Alliez, Bruno Levy, Stephan Bischoff, Christian Rössl
Eurographics 2008 Course Notes
[Code] (compiles on Linux (gcc 4.1), Mac (Xcode 3), Windows (VC 2005))

2007

Multi-Scale Capture of Facial Geometry and Motion
Bernd Bickel, Mario Botsch, Roland Angst, Wojciech Matusik, Miguel Otaduy, Hanspeter Pfister, Markus Gross
ACM Trans. on Graphics 26(3), SIGGRAPH 2007, pp. 33.1 - 33.10.
A Hardware Architecture for Surface Splatting
Tim Weyrich, Simon Heinzle, Timo Aila, Stephan Oetiker, Mario Botsch, Daniel Fasnacht, Cyril Flaig, Simon Mall, Kaspar Rohrer, Norbert Felber, Hubert Kaeslin, Markus Gross
ACM Trans. on Graphics 26(3), SIGGRAPH 2007, pp. 90.1 - 90.11.
Adaptive Space Deformations Based on Rigid Cells
Mario Botsch, Mark Pauly, Martin Wicke, Markus Gross
Computer Graphics Forum 26(3), Proc. Eurographics 2007, pp. 339-347.
A Finite Element Method on Convex Polyhedra
Martin Wicke, Mario Botsch, Markus Gross
Computer Graphics Forum 26(3), Proc. Eurographics 2007, pp. 355-364.
GPU-Based Multiresolution Deformation Using Approximate Normal Field Reconstruction
Martin Marinov, Mario Botsch, Leif Kobbelt
Journal of Graphics Tools 12(1), 2007, pp. 27-46.
GPU Splatting
Mario Botsch, Leif Kobbelt
Chapter in Point Based Graphics, Markus Gross, Hanspeter Pfister (Editors)
Elsevier / Morgan Kaufmann, ISBN 0123706041, 2007.
Proceedings of Eurographics Symp. on Point-Based Graphics 2007
Mario Botsch, Renato Pajarola, Baoquan Chen, Matthias Zwicker (editors)
Eurographics Association, 2007.
Special Issue on Point-Based and Volume Graphics
Mario Botsch, Baoquan Chen, Raghu Machiraju, Torsten Möller (guest editors)
Computers & Graphics 31(2), 2007.
Geometric Modeling Based on Polygonal Meshes
Mario Botsch, Mark Pauly, Leif Kobbelt, Pierre Alliez, Bruno Levy, Stephan Bischoff, Christian Rössl
SIGGRAPH 2007 Course Notes (Best Course Notes Award)
[Code](compiles on Linux (gcc4.0), Mac (Xcode 2.5), Windows (VC 2003))

2006

PriMo: Coupled Prisms for Intuitive Surface Modeling
Mario Botsch, Mark Pauly, Markus Gross, Leif Kobbelt
Eurographics Symp. on Geometry Processing 2006, pp. 11-20 (Best Paper Award).
Deformation Transfer for Detail-Preserving Surface Editing
Mario Botsch, Robert Sumner, Mark Pauly, Markus Gross
Vision, Modeling & Visualization 2006, pp. 357-364.
GPU-Based Ray-Casting of Quadratic Surfaces
Christian Sigg, Tim Weyrich, Mario Botsch, Markus Gross
Eurographics Symp. on Point-Based Graphics 2006, pp. 59-65.
Multiresolution GPU Mesh Painting
Tobias Ritschel, Mario Botsch, Stefan Müller
Eurographics 2006 Short Papers, pp. 17-20.
High Quality Surface Generation and Efficient Multiresolution Editing Based on Triangle Meshes
Mario Botsch
GI-Edition Lecture Notes in Informatics (LNI), D-6, "Ausgezeichnete Informatikdissertationen 2005", 2006.
[PDF] 
Proceedings of Eurographics Symp. on Point-Based Graphics 2006
Mario Botsch, Baoquan Chen, Mark Pauly, Matthias Zwicker (editors)
Eurographics Association, 2006.
Geometric Modeling Based on Triangle Meshes
Mario Botsch, Mark Pauly, Christian Rössl, Stephan Bischoff, Leif Kobbelt
Eurographics 2006 Tutorial Notes
Geometric Modeling Based on Triangle Meshes
Mario Botsch, Mark Pauly, Christian Rössl, Stephan Bischoff, Leif Kobbelt
SIGGRAPH 2006 Course Notes
Efficient Geometric Modeling With Polygonal Meshes
Mario Botsch, Mark Pauly
ETH Industry Course, March 2006

2005

Real-Time Shape Editing using Radial Basis Functions
Mario Botsch, Leif Kobbelt
Computer Graphics Forum 24(3), Proc. Eurographics 2005, pp. 611-621.
High-Quality Surface Splatting on Today's GPUs
Mario Botsch, Alexander Hornung, Matthias Zwicker, Leif Kobbelt
Eurographics Symp. on Point-Based Graphics 2005, pp. 17-24.
Efficient Linear System Solvers for Mesh Processing
Mario Botsch, David Bommes, Leif Kobbelt
Invited paper at IMA Mathematics of Surfaces XI, Lecture Notes in Computer Science, Vol 3604, 2005, pp. 62-83.
[PDF] 
High Quality Surface Generation and Efficient Multiresolution Editing Based on Triangle Meshes
Mario Botsch
PhD Thesis, RWTH Aachen
Shaker Verlag Aachen, ISBN 3-8322-4314-3, 2005.
[PDF] 

2004

An Intuitive Framework for Real-Time Freeform Modeling
Mario Botsch, Leif Kobbelt
ACM Transactions on Graphics 23(3), SIGGRAPH 2004, pp. 630-634.
A Remeshing Approach to Multiresolution Modeling
Mario Botsch, Leif Kobbelt
Eurographics Symp. on Geometry Processing 2004, pp. 189-196.
Phong Splatting
Mario Botsch, Michael Spernat, Leif Kobbelt
Eurographics Symp. on Point-Based Graphics 2004, pp. 25-32.
Perspective Accurate Splatting
M. Zwicker, J. Räsänen, M. Botsch, C. Dachsbacher, M. Pauly
Graphics Interface 2004, pp. 247-254.
[PDF] 
A Survey of Point-Based Techniques in Computer Graphics
Leif Kobbelt, Mario Botsch
Computers & Graphics, Vol. 28, No. 6, pp. 801-814 (Best Paper Award).
[PDF] 
GPU-based Tolerance Volumes for Mesh Processing
Mario Botsch, David Bommes, Christoph Vogel, Leif Kobbelt
Pacific Graphics 2004, pp. 237-243.
Freeform Shape Representations for Efficient Geometry Processing
Stephan Bischoff, Mario Botsch, Leif Kobbelt
Shape Modeling International 2004

2003

Multiresolution Surface Representation Based on Displacement Volumes
Mario Botsch, Leif Kobbelt
Computer Graphics Forum 22(3), Proc. Eurographics 2003, pp. 483-491.
High-Quality Point-Based Rendering on Modern GPUs
Mario Botsch, Leif Kobbelt
Pacific Graphics 2003, pp. 335-343.
[PDF] 
Freeform Shape Representations for Efficient Geometry Processing
Leif Kobbelt, Mario Botsch
Invited paper at Shape Modeling International 2003, pp. 111-118.
[PDF] 
Feature Sensitive Mesh Processing
Leif Kobbelt, Mario Botsch
Invited paper at Spring Conference on Computer Graphics 2003, pp. 17-22.
[PDF] 

2002

OpenMesh - A generic and efficient polygon mesh data structure
Mario Botsch, Stephan Steinberg, Stephan Bischoff, Leif Kobbelt
OpenSG Symp. 2002
Efficient high quality rendering of point sampled geometry
Mario Botsch, Andreas Wiratanaya, Leif Kobbelt
Eurographics Workshop on Rendering 2002, pp. 53-64.
[PDF] 

2001

Feature Sensitive Surface Extraction from Volume Data
Leif Kobbelt, Mario Botsch, Ulrich Schwanecke, Hans-Peter Seidel
SIGGRAPH 2001, pp. 57-66.
Resampling Feature and Blend Regions in Polygonal Meshes for Surface Anti-Aliasing
Mario Botsch, Leif Kobbelt
Computer Graphics Forum 20(3), Proc. Eurographics 2001, pp. 402-410.
[PDF] 
A Robust Procedure to Eliminate Degenerate Faces from Triangle Meshes
Mario Botsch, Leif Kobbelt
Vision, Modeling & Visualization 2001, pp. 283-289.
[PDF] 

2000

An interactive approach to point cloud triangulation
Leif Kobbelt, Mario Botsch
Computer Graphics Forum 19(3), Proc. Eurographics 2000, pp. 479-487.
Feature Sensitive Sampling for Interactive Remeshing
Mario Botsch, Christian Rössl, Leif Kobbelt
Vision, Modelling & Visualization 2000, pp. 129-136.
[PDF] 
Geometric Modeling Based on Polygonal Meshes
Leif Kobbelt, Stephan Bischoff, Mario Botsch, Kolja Kähler, Christian Rössl, Robert Schneider, Jens Vorsatz
Eurographics 2000 Course Notes
[PDF]