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Institut für Computergraphik und Algorithmen
Abteilung für Computergraphik


Michael Wimmer, Andreas Traxler, Helwig Hauser

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Welcome to CESCG 2005!

With reference to one of the most ambitious and inspiring organizers of CESCG ever, Thomas Theussl, we can call this the year 2 a.T. (after Tom). Or should we call it year 1 a.I. (after Ivan), as yet again, CESCG organization has changed hands. Indeed, CESCG organization has reached such a level of maturity during the last few years, that it is a pleasure to see one step unfolding after the other without much ado -- just a little nudging here and there, and everything runs smoothly. It is the unabated effort put into CESCG by many people that makes sure we will have yet another very successful seminar this year!
So who are the CESCG heroes that made things happen? In no particular order -- because many people were involved equally -- we would like to thank Ivan Viola, the organizer of last year's CESCG, who was always there to answer any questions; Helwig Hauser, also called the mother of the CESCG, who made many helpful suggestions. We would like to thank the organizers from Vienna, especially Andreas Traxler for his perfect work in all kinds of jobs, not least of them keeping the web page up to date, Attila Neumann for the reviewing process organization, Georg Zotti for the CD production, and Jirí Hladuvka for the proceedings production. We are very thankful to CESCG organizers from Bratislava, namely Andrej Ferko, also known as the the father of the CESCG, and Stanislav Stanek and Marek Zimanyi for the excellent on-site organization.
The main idea of CESCG is to bring students of computer graphics together across boundaries of universities and countries. Therefore we are proud to state that we have achieved a record number of 17 participating institutions and a very tight time schedule of 24 valuable student works and two invited talks. We are also proud that for the first time, students from ETH Zürich, Switzerland joined the seminar. We also welcome groups from Bratislava, Slovakia (UK and STU); Brno and Prague, Czech Republic; Budapest and Szeged, Hungary; Maribor, Slovenia; Bonn, Germany; Graz, Hagenberg and Vienna (TU and VRVis), Austria; Szczecin, Poland; Bristol, United Kingdom; and Sarajevo, Bosnia and Herzegovina.
The informal reviewing process has worked just as flawlessly as in previous years. We would like to thank the members of the International Program Committee for their contribution in the reviewing process. The IPC of CESCG 2005 consists of:
  • Andrej Ferko
  • Helwig Hauser
  • Michael Wimmer
  • László Szirmay-Kalos
  • Jirí Zára
  • Radoslaw Mantiuk
Invited talks this year are held by Reinhard Klein from the University of Bonn, Germany, about "Realistic Materials in Computer Graphics," and Radoslaw Mantiuk from the Technical University of Szczecin, Poland, about "Digital Photography in Realistic Computer Graphics". The seminar features an exhibition called "Large Virtual Cities". The seminar is held under the auspices of the Austrian Ambassador to Slovakia, his Excellency Martin Bolldorf, and is co-organized with the Spring Conference on Computer Graphics (SCCG), which takes place right after the seminar.
The organization of a seminar where there are de facto no expenses for the students requires funding. We are very thankful to the sponsors of CESCG 2005:
  • the Ministry of Education of the Slovak Republic
  • SOFTIP, a Slovak information technology provider
  • OCG, the Austrian Computer Association
  • Visegrad Fund, a Fund to strengthen the ties between the Czech Republic, Hungary, Poland, and Slovakia
  • VRVis, a research center for virtual reality and visualization in Vienna
  • UNESCO, the United Nations Educational, Scientific and Cultural Organization
  • Caligari Corporation, a company in field of 3D modelling and rendering software
  • Eurographics, the European Association for Computer Graphics
Please note that the electronic version of these proceedings is also available at
April 2005,
Michael Wimmer
Jirí Hladuvka
Radoslaw Mantiuk

Real-Time Rendering Effects
Mátyás Premecz
(Budapest, Hungary)
[.pdf-file] Developing a Real-Time Renderer With Optimized Shadow Volumes
Daniel Scherzer
(Vienna, Austria)
[.pdf-file] Robust shadow maps for large environements
Josth Radovan
(Brno, Czech Republic)
[.pdf-file] Real time atmosphere rendering for space simulators
Matt Aranha
(Bristol, United Kingdom)
[.pdf-file] Realistic Underwater Visualisation
Virtual Reality and Web-Based Applications
Zuzana Kúkelová
(Bratislava, Slovakia)
[.pdf-file] A User Interface for Freeform Modeling Based on Convolution Surfaces from Sketched Silhouette Curves
Ádám Egressy
(Praha, Czech Republic)
[.pdf-file] e-Panel (Virtual Control Panel)
Jana Hájková
(Plzen, Czech Republic)
[.pdf-file] Graphical Support of the Traffic Simulation System
Vlado Roth
(Bratislava, Slovakia)
[.pdf-file] Web-Based Parameter Space Explorer for Non-Invertible 3D Maps
Ray Casting and Panoramic Images
Henning Scharsach
(Vienna, Austria)
[.pdf-file] Advanced GPU Raycasting
Balázs Tóth
(Budapest, Hungary)
[.pdf-file] Speed optimized Recursive Ray-tracer with KD-Tree and SSE vector mathematics
Michal Seeman
(Brno, Czech Republic)
[.pdf-file] Precise Merging of Multiple Phographs
Emir Beca
(Sarajevo, Bosnia)
[.pdf-file] Panoramic Views in Virtual Sarajevo
Computer Vision and Medical Applications
Krisztina Maróti
(Szeged, Hungary)
[.pdf-file] Calibration of CCD cameras for computer aided surgery
Ludovít Lucenic
(Bratislava, Slovakia)
[.pdf-file] Foot Gait Analysis and Simulation
Martin Bujñák
(Bratislava, Slovakia)
[.pdf-file] On-line structure from motion
Fabian Bendix
(Vienna, Austria)
[.pdf-file] Visual Analysis Tool for Categorical Data - Parallel Sets
HDR, Textures and Images
Pavel Gorny
(Szczecin, Poland)
[.pdf-file] Highlight Removal Method for HDR Images
Matthias Bauer
(Hagenberg, Austria)
[.pdf-file] Image-based rendering for real-time applications
Konrad Kabaja
(Sczeczin, Poland)
[.pdf-file] Storing of High Dynamic Range Images in JPEG/JFIF files
Johanna Schmidt
(Vienna, Austria)
[.pdf-file] Practical Implementation of a Texture Synthesis Algorithm
Geometric and Point-Based Algorithms
Zoltán Gaál
(Budapest, Hungary)
[.pdf-file] Boolean Operations on Point-sampled Geometry
Ruwen Schnabel
(Bonn, Germany)
[.pdf-file] Detecting Holes in Surfaces
Timotej Globacnik
(Maribor, Slovenia)
[.pdf-file] Progressive compression for lossless transmission of triangle meshes in network applications
Denis Steinemann
(Zurich, Switzerland)
[.pdf-file] Generation and Fracturing of Thick Shells
Invited Talks
Radoslaw Mantiuk
[.pdf-file] Digital photography in realistic computer graphics
Reinhard Klein
[.pdf-file] Realistic Materials in Computer Graphics

The 9th Central European Seminar on Computer Graphics is sponsored by the following companies:


Visegrad Fund

Ministry of Education
of Slovakia


Slovenska Sporitelna




our official partner this year: COFAX
and is organized under the auspices of the Austrian ambassador in Slovakia Martin Bolldorf.

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