Vanessa Freudenberg: Publications

Keynotes and Invited Talks

• Vanessa Freudenberg:
  Croquet: Edge computing for Frontend (!) Developers.
  Developer Speaker Series (April 2022).
  (Abstracy & Recording Cloudflare TV)
  

• Vanessa Freudenberg:
  Croquet: A Unique Collaboration Architecture.
  Keynote at the 2020 International Conference on Dynamic Languages Symposium (DLS 2020).
  (Abstract HTML | Talk YouTube)
  

Refereed Papers

• Yoshiki Ohshima, Dan Amelang, Bert Freudenberg:
  Shadama: A Particle Simulation Programming Environment for Everyone
  LIVE 2017 workshop in Vancouver, Canada
  (Paper PDF 2.2 MB | Videos html)
  

• Yoshiki Ohshima, Bert Freudenberg, Dan Amelang:
  Kanto: a multi-participant screen-sharing system for Etoys, Snap!, and GP
  PX/17.2: Proceedings of the 3rd ACM SIGPLAN International Workshop on Programming Experience
  (Paper PDF 2.2 MB)
  

• Yoshiki Ohshima, Alessandro Warth, Bert Freudenberg, Aran Lunzer, Alan Kay:
  Towards Making a Computer Tutor for Children of All Ages
  Presented at the PX/16 work-shop, co-located with ECOOP 2016 in Rome, Italy, July 18 2016.
  (Paper PDF 800 KB)
  

• Bert Freudenberg, Dan Ingalls, Tim Felgentreff, Tobias Pape, Robert Hirschfeld:
  SqueakJS: A Modern and Practical Smalltalk That Runs in Any Browser
  Dynamic Languages Symposium (DLS ’14), at SPLASH, Portland, OR, USA, October 20–24, 2014.
  (Paper PDF 0.5 MB)
  

• Dan Ingalls, Bert Freudenberg, Ted Kaehler, Yoshiki Ohshima, Alan Kay:
  Reviving Smalltalk-78: The First Modern Smalltalk Lives Again
  International Workshop on Smalltalk Technologies, Cambridge, England, August 19, 2014.
  (Paper PDF 0.5 MB)
  

• Tim Felgentreff, Alan Borning, Robert Hirschfeld, Jens Lincke, Yoshiki Ohshima, Bert Freudenberg, Robert Krahn:
  Babelsberg/JS: A Browser-based Implementation of an Object Constraint Language
  European Conference on Object-Oriented Programming (ECOOP '14), Uppsala, Sweden, 2014.
  (Paper PDF 1.7 MB)
  

• Yoshiki Ohshima, Aran Lunzer, Bert Freudenberg, Ted Kaehler:
  KScript and KSWorld: A Time-Aware and Mostly Declarative Language and Interactive GUI Framework.
  In Onward! '13 Proceedings of the 2013 ACM international symposium on New ideas, new paradigms, and reflections on programming & software, Indianapolis, IN, 2013.
  (Paper PDF 2.7 MB)
  

• Bert Freudenberg, Yoshiki Ohshima, Scott Wallace:
  Etoys for One Laptop Per Child
  In Proceedings of The 7^th International Conference on Creating, Connecting and Collaborating through Computing (C5 2009), January 19-22, 2009, Kyoto, Japan.
  (Paper PDF 3.4 MB)
  

• Nick Halper, Tobias Isenberg, Felix Ritter, Bert Freudenberg, Oscar Meruvia, Stefan Schlechtweg, and Thomas Strothotte:
  OpenNPAR: A System for Developing, Programming, and Designing Non-Photorealistic Animation and Rendering.
  In Proceedings of Pacific Graphics 2003 (Poster), 2003.
  (Paper PDF 2.2 MB | Poster PDF 4.4 MB)
  

• Bert Freudenberg, Maic Masuch, Thomas Strothotte:
  Real-Time Halftoning: A Primitive For Non-Photorealistic Shading.
  In Rendering Techniques 2002, Proceedings 13^th Eurographics Workshop, pp. 227-231, 2002. ISBN 1-58113-534-3
  (Paper PDF 1.8 MB | Slides PPT 3.3 MB | Video 1 AVI 27 MB | Video 2 AVI 21 MB | Code C 5 KB)
  Note: The videos are not captured with the actual frame rate, it's much smoother in the engine.

• Bert Freudenberg, Maic Masuch, Niklas Röber, Thomas Strothotte:
  The Computer-Visualistik-Raum: Veritable and Inexpensive Presentation of a Virtual Reconstruction.
  In Proceedings VAST 2001: Virtual Reality, Archaelogy, and Cultural Heritage,
  Glyfada, Nr Athens, Greece, 2001. Pages 97-102, ACM SIGGRAPH, ISBN 1-58113-447-9.
  (Paper PDF 2 MB | Slides/Videos zipped PPT/AVI 23 MB)

• Bert Freudenberg:
  Subdivision for Line Drawings.
  In Proceedings Simulation und Visualisierung 2001, pages 215-222, SCS Europe, Magdeburg, 2001, ISBN 1-56555-213-X
  (Paper PDF 0.3 MB | Slides PDF 0.7 MB)

• Maic Masuch, Bert Freudenberg, Babette Ludowici, Sebastian Kreiker, and Thomas Strothotte:
  Virtual Reconstruction of Medieval Architecture.
  In Proceedings of EUROGRAPHICS 1999, Short Papers, pages 87-90, 1999.
  (Paper PDF 0.7 MB | Slides PPT 5.5 MB)

• Thomas Strothotte, Matthias Puhle, Maic Masuch, Bert Freudenberg, Sebastian Kreiker, Babette Ludowici:
  Visualizing Uncertainty in Virtual Reconstructions.
  In Proceedings of Electronic Imaging & the Visual Arts, EVA Europe '99, Berlin, p. 16, 1999.
  (Paper PDF 1.3 MB | Slides PPT 3.7 MB)

• Stefan Schlechtweg, Bert Schönwälder, Lars Schumann, and Thomas Strothotte:
  Surfaces to Lines: Rendering Rich Line Drawings.
  In Proceedings of WSCG'98, pages 354-361, 1998.

• Maic Masuch, Stefan Schlechtweg, and Bert Schönwälder:
  daLi! - Drawing Animated Lines!
  In Simulation and Animation '97, pages 87-95, SCS Europe, Magdeburg, 1997, ISBN 1-56555-111-7.
  (PDF 0.3 MB)

Journal Articles

• Tobias Isenberg, Bert Freudenberg, Nick Halper, Stefan Schlechtweg, Thomas Strothotte:
  A Developer's Guide to Silhouette Algorithms for Polygonal Models.
  In IEEE Computer Graphics and Applications, vol. 23 (2003), no. 4, pages 29-37.
  (Paper PDF 2 MB)

• Oscar Meruvia Pastor, Bert Freudenberg, Thomas Strothotte:
  Real-Time Animated Stippling.
  IEEE Computer Graphics and Applications, vol. 23 (2003), no. 4, pages 62-68.
  (Paper PDF 3 MB)

• Bert Freudenberg, Maic Masuch, and Thomas Strothotte:
  Walk-Through Illustrations: Frame-Coherent Pen-and-Ink Style in a Game Engine.
  In Computer Graphics forum, vol. 20 (2001), no. 3. ISSN 0167-7055 Manchester, UK, 2001.
  (Paper PDF 2 MB | Slides PPT 1.6 MB)

Book Contributions

• Bert Freudenberg, Maic Masuch, and Thomas Strothotte:
  Real-Time Halftoning: Fast and Simple Stylized Shading
  In Andrew Kirmse (ed.), Game Programming Gems 4, pp. 443-440, Charles River Media, 2004.
  (Article PDF 1.2 MB)

• Bert Freudenberg (images):
  Hatching Example
  In Randi Rost, OpenGL Shading Language, Addison Wesley Professional, 2004, pp. 356-364.
  (see 3dshaders.com)

• Bert Freudenberg:
  Die Visualisierung: Virtuelle Rekonstruktion.
  In Masuch, Strothotte (eds.): Virtuelle Zeitreise: Der Computervisualistikraum in der Ausstellung "OTTO DER GROSSE, Magdeburg und Europa"
  Otto-von-Guericke-Universität Magdeburg, Institut für Simulation und Graphik, 2001.
  Broschur incl. CD-ROM. ISBN: 3-9804874-1-5.

Invited Papers

• Bert Freudenberg and Maic Masuch:
  Non-Photorealistic Shading in an Educational Game Engine
  Workshop Proceedings Production Process of 3D Computer Graphics Applications - Structures, Roles and Tools, pages 45-48, ACM SIGGRAPH and Eurographics Campfire, June 1 - June 4, 2002, Snowbird, Utah, USA.
  In: Ralf Dörner et al., Shaker, Aachen, 2002. ISBN 3-8322-0241-2
  (Paper PDF 0.8 MB | Slides PPT 2.9 MB)

• Maic Masuch and Bert Freudenberg:
  Teaching 3D Computer Game Programming
  Workshop Proceedings Production Process of 3D Computer Graphics Applications - Structures, Roles and Tools, pages 109-112, ACM SIGGRAPH and Eurographics Campfire, June 1 - June 4, 2002, Snowbird, Utah, USA.
  In: Ralf Dörner et al., Shaker, Aachen, 2002. ISBN 3-8322-0241-2
  (PDF 0.5 MB)

Talks

• Bert Freudenberg:
  One Etoy per Child on the $100-Laptop
  Invited Keynote at Smalltalk Solutions 2007 in Calgary.
  (Presentation as Squeak image ZIP 14 MB)

• Bert Freudenberg:
  A Non-Photorealistic Fragment Shader in OpenGL 2.0
  Presented at the SIGGRAPH 2002 Exhibition in San Antonio.
  (Slides PPT 3.0 MB)

• Bert Freudenberg:
  Real-Time Stroke Textures.
  Technical Sketch presented at SIGGRAPH 2001 in Los Angeles.
  Abstract printed in SIGGRAPH 2001 Conference Abstracts and Applications, p. 252.
  (Abstract PDF 0.6 MB | Slides PPT 2.1 MB PDF 5.1 MB | Teapot Anim.GIF 8 MB | Room Anim.GIF 1 MB)

Theses

• Bert Freudenberg:
  Real-Time Stroke-Based Halftoning
  PhD thesis, Otto-von-Guericke-Universität, Magdeburg, submitted 2003, defended 4 June 2004.
  Published at Der Andere Verlag, ISBN 3899592654, €29.90
  (Thesis preprint PDF 15 MB | Slides PPT 10 MB)

• Bert Schönwälder:
  Generierung charakteristischer Linienzüge aus 3D-Modellen.
  (Generating characteristic lines from 3D models)
  Diploma thesis, Otto-von-Guericke-Universität, Magdeburg, 1997.
  (PDF 5 MB)

Miscellaneous

• Bert Freudenberg:
  Cover Image
  NORSIGD Info,
  Norsk samarbeid innen grafisk databehandling, 1/2002.
  ISSN 0803-8317.
  (PDF 0.7 MB)

Reviewing

• NPAR (2002)
• Computer Graphics Forum (2002)
• Graphics Interface (2004)
• EuroGraphics (2004)
• IEEE Transactions on Image Processing (2004)