W S C G ' 9 7

The Fifth International Conference in Central Europe

on Computer Graphics and Visualization'97

February 10 - 14, 1997

List of WSCG'97 attendees

Sponsors

Visual Numerics International GmbH

Hewlett Packard s.r.o. , IBM CR s.r.o. ,

Digital Equipments s.r.o. , Intergraph CR s.r.o. , Microsoft s.r.o.

Temacom a.s. , Vikomt s.r.o. , DTP Studio Praha s.r.o.

Invited speakers

Greiner,G., Seidel,H.-P.: Splines in Computer Graphics, University of Erlangen, Germany

Yagel, R.: Towards Virtual Surgery: Goals and Achievements, The Ohio State University, USA
 

International Programme Committee

Nadia Magnenat Thalmann, MIRALab-CUI, Univ. of Geneva, Switzerland, Co-Chair

Vaclav Skala, Univ. of West Bohemia, Czech Republic, Co-Chair

Conference Program

Monday February 10, 1997

• Guided trip to Pilsen Urquell brewery, departure at 13.00 from Slovan hotel - free of charge
• 15.00 - 17.00 registration at the University of West Bohemia, Bory Campus
• 19.00 - 21.00 registration in the hotel Slovan

Tuesday February 11, 1997

7.00 - 8.30 Registration for "late" attendees only (special shuttle buses will leave hotel Slovan at 6.55 and 7.40)

8.45 - 9.00 Opening session

9.00 - 10.20 Visualization

• Blasi,P., Wuethrich,C.: Realistic Rendering Algorithm for an Intuitive Interpretation of 3D Scalar Fields (F,G)
• Kim,M.-A., Lee,E.-J., Cho,H.-G.: A Visualization Technique for DNA Sequences Using k-convex Polygon (KR)
• Lee,W.-S., Poston,T.: Rapid 3D Tube Reconstruction from nearby views (CH,SG)
• Teitzel,C.,Grosso,R.,Ertl,T.: Line Integral Convolution on Triangulated Surfaces (D)

10.40 - 12.20 Session A Image Processing

• Buck,M.: A Differential Alignment Approach for the Extraction of Photo Textures (D)
• Fischer,S.: Image Segmentation by Water-Inflow (D)
• Fischer,A., Steinhage,V.: Solid Modeling for Building Extraction in Aerial Images (D)
• Pogoda,A., Steinhage,V.: Building Detection in Edge-Representation of Aerial Photographies by Means of Heuristic Histogram Analysis (D)
• Palenichka,R.M.,Rytsar,Y.B.,Ivasenko,I.B.,Rakhletski,Y.Y.: Structure-Adaptive Image Filtering Using Trimmed Mean Values (UA)

10.40 - 12.20 Session B Modeling

• Lang,V.,Lienhardt,P.: Cartesian Product of Simplicial Sets (J,F)
• Liege,S., Hegron,G.: An Incremental Declarative Modelling Applied to Urban Layout Design (F)
• Luciani,A., Godard,A.: Simulation of Physical Object Construction Featuring Irreversible State Changes (F)
• Lorenz,M., Chavelski,S.: Computer Modelling and Case Study (D)
• Riseman,E., Wang,X., Hanechak,B., Schultz,H., Hanson,A.: Extracting Road Networks from Natural Terrain for Visualization (USA)

12.30 - 13.30 LUNCH

13.30 - 15.00 Invited paper

• Yagel, R.: Towards Virtual Surgery: Goals and Achievements, USA

15.30 Departure for Pilsen Brewery museum guided visit (number of attendees is limited to 30 - free of charge - ask at the registration desk)

8.00 - 9.40 Volumetric Models

• Csebfalvi,B., Szirmay-Kalos,L.,Marton,G.: Fast Opacity control in Rendering of Volumetric CT Data (H)
• Gallo,G., Spampinato,D.: Graph-trees: An Efficient Data Structures for Compact Binary Pictures (I)
• Jaillet,F., Shariat,B., Vandrope,D.: Deformable Volume Object Modeling with a Particle-Based System for Medical Applications
• Meyer,J., Gelder,S., Kretschmer,K., Silkenbaumer,K., Hagen,H.: Interactive Visualization of Hybrid Medical Data Sets (D)
• Simpson,T.: An Efficient, High Quality Method for Rendering Irregular, Quadratic, Volume Data (UK)

10.00 - 11.20 Imaging & Modeling

• Benes,B.: Fast Estimation of Growth Direction in Virtual Plants Simulation (CR)
• Korfatis,I., Parker,Y.: 3D Object Metamorphosis Through Energy Minimisation (UK)
• Lionello,R.: Three Dimensional Imaging for Magnetohydrodynamic Computations (I)
• Tunali,G.D., Ozguc,B.: Animating Facial Images with Drawings: A Critical Survey with an Application (TR)

11.30 - 11.50 Special presentation

• Garton, A.: Lost Time Accidents, (A journey towards self-evolving, generative music for interactive multimedia content), Centre for New Media Arts, Royal Melbourne Institute of Technology, Australia

12.00 LUNCH

13.00 - 16.00 Commercial Presentations

• PV Wave - Short tutorial, Visual Numerics Int. GmbH (D)
• Hewlett Packard workstations, Hewlett Packard (CR)
• 3D Graphics Toolkits on the WEB, TGS-G5G (F)
• Project JUPITER, Intergraph s.r.o.(CR)
• Data Analysis and Visualization with the IDL system, CREASO GmbH (D)
• Virtual Reality System VRT, Superscape Ltd. (UK) & Ismar s.r.o. (CR)
• Computer Animation 95 - Video Show

9.00 - 10.40 Virtual Reality and Interaction

• Grimsdale,R.L., Lambourn,S.J.: Generation of Virtual Reality Environments using Expert Systems (UK)
• Hirose,M., Ogi,T.,Riesterer,M.: Program Visualization in a Virtual Environment (J)
• Seligmann,D.D., Edmark,J.T.: Automatically Generated 3D Virtual Environments for Multimedia Communication (USA)
• Meseure,P., Chaillou,C.: Deformable Body Simulation with adaptive Subdivision and Cuttings (F)
• Roerdink,J.B.T.M., van Delden,M.J.B., Hin,A.J.S., van Wolffelaar,P.C.: A Prototype System for Real Time Computer Animation of Slow Traffic in a Driving Simulator (NL)

11.00 - 13.00 Constraint Motion

• Kolmanic,S., Zalik,B.: Interactive Variation of Geometric Shapes Inside a Constraint-Based Environment (SI)
• Kuchar,O., Scrimger,J.N.: Biomechanical Modeling and Animating Human Hand Movement (CA)
• Loukipoudis,E.N.: Extending a Constructive Solver with Constraints Inferred by Variable Topology Parametrisation (BG)
• Plemenos,D., Tamine,K.: Increasing the Efficiency of Declarative Modelling. Constraint Evaluation for the Hierarchical Approach (F)
• Zhang,J., Vuong,T.P.: Using Wavelet Transformation to Support an Efficient and Adaptive Image Data Handeling within a Mobile Environment (D)

13.00 LUNCH

14.00 - 15.40 Session A Computational Geometry

• Brun,L., Domenger,J.P.: A New Split and Merge Algorithm Based on Discrete Map (F)
• Cazier,D., Dufourd,J.-F.: Robust Boolean Operation on Polyhedral Solids defined as Rewrite Systems (F)
• Cho,H.-G.: On the Expected Number of Common Edges in Delaunay and Greedy Triangularization (KR)
• Marcheix,D., Gueorguieva,S.: Incremental Nibble Mesh: An Algorithm for Triangulation of Non-Manifold Solid Boundary (F)
• Szirmay-Kalos,L., Foris,T.: Radiosity Algorithms Running in Sub-quadratic Time (H)

14.00 - 15.40 Session B Visualization

• Loeffelmann,H., Groeller,E.: DynSys3D: A Workbench for Developing Advanced Visualization Techniques in the Field of Three-dimensional Dynamical Systems (A)
• Rauschenbach,U., Schumann,H.: Adaptive Image Transmission (D)
• Schmidt,T., Ruhle,R.: An Object Oriented Tool for Visualization and Debugging of Finite Methods (D)
• Dalto,L., Pulin,M., Jessel,J.-P.,Caubet,R,: A New Approach for Multiple Scattering Modelling in Participating Media (F)
• Sturzlinger,W.: Global Illumination with Glossy Surfaces (A)

16.00 - 17.40 Session A Algorithms

• Hartl,M., Krupka,I., Poliscuk,R., Liska,M.: Computer-Aided Evaluation of Chromatic Interferograms (CR)
• Marak,I., Benes,B., Slavik,P.: Terrain Erosion Model Based on Rewriting of Matrices (CR)
• Neuhauser,M.A.: Symbolic Perturbation and Special Arithmetics for Controlled Handeling of Geometric Degeneracies (A)
• Sojka,E.: A Simple and Efficient Algorithm for Sorting the Intersection Points between a Jordan Curve and a Line (CR)
• Wuetrich,C.A.: On Curve Rasterization in n-Dimensional Space (D)
• Zikan,K., Konecny,P.: Lower Bound of Distance in 3D (CR)

16.00 - 18.00 Session B Computational Geometry

• Magova,I., Ferko,A., Niepel,L.: On Edges Elimination for the Shortest Mesh (SK)
• Paul,A., Dobler,K.: Adaptive Realtime terrain Triangularization (D)
• Szirmay-Kalos,L.: On the Limitation of Worst-case Optimal Ray Shooting Algorithms (H)
• Yu, Y.-J., Kang,Y.-H., Cho,H.-G.: A New Image Warping Technique using Mesh Pattern Textile (KR)
• Zakowska,L.: The Effect of Road Visualization Method on Driver's Road View Perception (PL)
• Zhukov,S., Iones,A.: Open 3D Animation System Based on Procedural Motion Generation (RU)

9.00 - 10.40

• Greiner,G., Seidel,H.-P.: Splines in Computer Graphics (D) - Invited Lecture
• Chirikov,S.V., Paltashev,T.T., Balabko,P.A.: New Method of Parametric Curves Rasterization and Its Applicatoon for Fast Bezier Patch Shading (RU)
• Fischer,M.: PENGUIN - A Portable ENvironment for a Graphical User Interface (D)

11.00 - 13.00 Visualization & Surface Meshing

• Stamminger,M., Nitsch,W., Slusallek,P., Seidel,H.-P.: Isotropic Clustering for Hierarchical Radiosity - Implementation and Experiences (D)
• Mabin,F.H., Mongenet,C.: Sewing Faces: A topological Reconstruction of 6-connected Objects Bounding Surfaces in 3D Digital Images (F)
• Cooper,L., Maddock,S.: Preventing Collapse Within Mass-Spring-Damper Models of Deformable Objects (UK)
• Englert,R.: Handling Irregularities of 3D Building Data During Surface Computation (D)
• Heijs,A.W.J., Janssen,W.B.J.M., Lowe,C.P., Bakker,A.F.,Leenders,R.: Combined Smoothing and Decimation of Complex Pore Network Geometries (NL)
• Sellinger,D., Plemenos,D.: Interactive Generative Geometric Modeling by Geometric to declarative Representation Conversion (F)

13.00 - 14.00 LUNCH

14.00 - 15.40 Global Illumination

• Claes,J., Monsieurs,P., Reeth,F.: Rendering Pen-drawings of 3D scenes on Network Processors (B)
• Nechvile,K.: The High Resolution Hemicube Algorithm (CR)
• Sanna,A., Montuschi,P., Rossi,M.: Two Algorithms for Fast Ray Tracing of Complex Scenes (I)
• Sbert,M.: Variance of Two Infinite Pah Lengh Random Walk Radiosity Estimators (ES)

15.50 - 16.00 Closing Session

16.00  Departure for Pilsen Brewery museum guided visit (number of attendees is limited to 30) - free of charge - ask at the registration desk; recommended for Czech and Slovak participants

16.00  Departure for Pilsen Brewery guided visit (number of attendees is limited to 30) - free of charge - ask at the registration desk.

• Guided trip to West Bohemia Spa - Karlovy Vary, Marianske Lazne (Carls Bad, Marien Bad) if number of participants is greater 20. There is a limit of 40 participants - free of charge

Posters

• Bishop,I.D., Rohrmann,B.: The Validity of Computer Simulation of Urban Environment for Planning and Design (AU)
• Manas,P.: Experience with CAD System Teaching at Army Academy (in Czech) (CR)
• Prikryl,J.: On Mesh Preprocessing for Radiosity (CR)
• Trefny,M., Bittner,J.: Global Visibility (CR)
• Zemcik,P., Havel,P.: Visualization of Archeological Sites (CR)

Authors

Please, contact your session chair at least 10 minutes before the session starts to introduce yourself providing your personal information etc. and to prepare audio-visuals. Available are: overhead projector, slide projector (36x24 mm), VHS PAL 50Hz (European system) and it should be possible to connect your notebook to "data show" system. There will be a PC 586/75-166MHz 32 MB RAM, CD ROM system with Windows 95 available for your needs.

Please, contact Vaclav Skala in advance if other devices are needed.

If you would like to take part in the exhibition, please, send all enquiries to:

Later changes May 30, 1997; July 30, 1997

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