9. WSCG 2001: Plzen-Bory, Czech Republic

The 9-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision'2001, WSCG 2001, University of West Bohemia, Campus Bory, Plzen-Bory, Czech Republic, February 5-9, 2001

Full Papers

Keynote speech

Ioannis A. Kakadiaris:
Using Vision for Animating Virtual Humans.

Visualization

Elizabeth Simão Carvalho, José Carlos Teixeira:
An Application Model for Visualization of Natural Resources Management. 1-8
Rossella Cossu:
Colored Visualisation for Numerical Modelling. 9-16
Martin Capek, Rainer Wegenkittl, Andreas König, Werner Jaschke, Reinhart Sweeny, Reto J. Bale:
Multimodal Medical Volume Registration Based on Spherical Markers. 17-24
Norbert Frisch, Dirc Rose, Ove Sommer, Thomas Ertl:
Pre-processing of Car Geometry Data for Crash Simulation and Visualization. 25-32

Virtual Reality & VR Interaction

Colette Elcacho, Thomas Dingel, Reinhard Klein:
Object-Centered Navigation in Virtual Construction Applications. 33-40
Nan Li, Zhiyong Huang:
Tour Into the Picture Revisited. 41-48
Marko Meister, Charles A. Wüthrich:
On Synchronized Simulation in a Distributed Virtual Environment. 49-56
Thomas Warken, Elmar Schömer:
Rolling Rigid Bodies. 57-62

Pattern Recognition

Andrea Bottino, Aldo Laurentini, S. Scalabrin:
Quantitavely Comparing Virtual and Real Draping of Clothes. 63-70
Raul Queiroz Feitosa, Guilherme Lúcio Abelha Mota, Sidnei Paciornik:
An Alternative Approach for Pattern Detection Applied to Materials Characterization. 71-72
R. Romano, Domenico Vitulano:
A Multichannel Variational Model for Robust Image Segmentation under Noise. 79-86
Rafael Valle dos Santos, Marley B. R. Vellasco, Raul Queiroz Feitosa, M. Simoes, Ricardo Tanscheit:
An Application of Combined Neural Networks to Remotely Sensed Images. 87-92

Surface Meshing & Modelling

Marek Vanco, Guido Brunnett:
Consistent Orientation of Segmented Models Recovered from Digitized Data. 93-102
Hélio Pedrini:
An Improved Refinement and Decimation Method for Adaptive Terrain Surface Approximation. 103-109
Oscar E. Ruiz, A. Carlos, M. Cadavid:
PL-Geodesics on PL-Continuous Partial Meshes. 110-117
Andreas Savva, Gordon Clapworthy:
The Relationship Between RATS-splines and the Catmull and Clark B-splines. 118-123

Visualization

Jirí Hladuvka, Andreas König, Eduard Gröller:
Exploiting Eigenvalues of the Hessian Matrix for Volume Decimation. 124-129
Daniel Kobras, Daniel Weiskopf, Hanns Ruder:
Image Based Rendering and General Relativity. 130-137
Andrea Sanna, Bartolomeo Montrucchio, Paolo Montuschi:
B2LIC: An Algorithm for Mapping Two Scalar Values on Texture-Based Representations of Vector Fields. 138-145
Richard Satherley, Mark W. Jones:
Hypertexturing Complex Volume Objects. 146-153

WWW Technologies & Hypermedia

Marc Alexa, Uwe Berner, Michael Hellenschmidt, Thomas Rieger:
An Animation System for User interface Agents. 154-160
Bjoern Feustel, Thomas C. Schmidt, Detlev Marpe, Mark Palkow, Hans L. Cycon:
Compound Media Straming in Time. 161-167
Carlos R. Morales:
Development of an XML Web Based Motion Capture Data Warehousing and Translation System for Collaborative Animation Projects. 168-173
Juha Vierinen, Petri Vuorimaa:
A Browser User Interface for Digital Television. 174-181

Computer Vision & Image Processing

A. Economopoulos, Drakoulis Martakos:
Component-Based Architectures for Computer Vision Systems. 182-189
Paul Harrison:
A Non-Hierarchical Procedure for Re-Synthesis of Complex Textures. 190-197
Peter Kauff, Nicole Brandenburg, Michael Karl, Oliver Schreer:
Fast Hybrid Block- and Pixel- Recursive Disparity Analysis for Real-Time Applications in Immersive Tele-Conference Scenarios. 198-205
Frédéric Labrosse, Philip J. Willis:
Towards Continuous Image Representations. 206-213

Computer Aided Geometric Design & Computational Geometry

Hansrudi Noser, S. Rudolph, Peter Stucki:
Physics-Enhanced L-Systems. 214-221
David Podgorelec, Borut Zalik:
A Geometric Constraint Solver with Decomposable Constraint Set. 222-229
Andrea Bottino, L. Cavallero, Aldo Laurentini:
Interactive Reconstruction of 3-D Objects from Silhouettes. 230-236
Petr Tobola, Karel Nechvíle:
Linear BSP Trees for Sets of Hyperrectangles with Low Directional Density. 237-244

Animation

J. R. Paul Hanna, Richard J. Millar, Wesley M. Johnston:
Examining the Generality of a Behavioural Animation Framework. 245-251
Olivier Nocent, Jean-Michel Nourrit, Yannick Rémion:
Towards Mechanical Level of Detail for Knitwear Simulation. 252-259
Bernard Tiddeman, David I. Perrett:
Moving Facial Image Transformations Based on Static 2D Prototypes. 260-266
M. N. Zakaria:
Interactive Evolutionary Approach to Character Animation. 267-274

Levels of Details (Algorithms etc.)

Vincent Boyer, Jean-Jacques Bourdin:
DEGRADE : A New Color Shading Tool. 275-282
Frédéric Triquet, Philippe Meseure, Christophe Chaillou:
Fast Polygonization of Implicit Surfaces. 283-290
Rick Germs, Frederik W. Jansen:
Geometric Simplification for Efficient Occlusion Culling in Urban Scenes. 291-298
José Ribelles, Angeles López, Oscar Belmonte, Inmaculada Remolar, Miguel Chover:
Variable Resolution Level-of-Detail of Multiresolution Ordered Meshes. 299-306

Computer Vision & Image Processing

Romildo Silva, Jonas Gomes, Cicero Mota:
Geometric Processing of Volumetric Objects. 307-314
George A. Triantafyllidis, Michael G. Strintzis:
A Separate Least Squares Algorithm for Efficient Arithmetic Coding in Lossless Image Compression. 315-319
Qiang Wu, Tom Hintz, Xiangjian He:
Image Edge Detection in a Mimic Spiral Architecture. 320-327
Ruigang Yang, Greg Welch:
Automatic and Continuous Projector Display Surface Estimation Using Everyday Imagery. 328-335

Radiosity and Parallel & Distributed Graphics

Naga Kiran, Sudhir P. Mudur, Sharat Chandran, Nilesh N. Dalvi:
Anti-aliased Hemicubes for Performance Improvements in Radiosity Solutions. 336-343
Roel Martínez, László Szirmay-Kalos, Mateu Sbert, Ali Mohamed Abbas:
Parallel Implementation of Stochastic Iteration Algorithms. 344-351
Jaume Rigau, Miquel Feixas, Mateu Sbert:
Visibility Complexity of Animation in Flatland. 352-359
Ruben Zonenschein, Jonas Gomes, Luiz Velho, Noemi de La Rocque Rodriguez:
Towards Interactivity on Texturing Implicit Surfaces: A Distributed Approach. 360-366

Applications

Norbert Braun:
Interaction Approach for Digital Video Based Storytelling. 367-374
Eric Sedgwick, Karen Alkoby, Mary Jo Davidson, Roymieco Carter, Juliet Christopher, Brock Craft, Jacob Furst, Damien Hinkle, Brian Konie, Glenn Lancaster, Steve Luecking, Ashley Morris, John McDonald, Noriko Tomuro, Jorge Toro, Rosalee Wolfe:
Toward the Effective Animation of American Sign Language. 375-378
Theoharis Theoharis, Georgios Papaioannou, Evaggelia-Aggeliki Karabassi:
The magic of the Z-Buffer: A Survey. 379-386
Der-Lor Way, Chih-Wei Hsu, Hsin-Yi Chiu, Zen-Chung Shih:
Computer-Generated Chinese Painting for Landscapes and Portraits. 387-394

Global Illumination

Eva Cerezo, Francisco J. Serón:
Synthetic Images of Underwater Scenes: A First Approximation. 395-402
Annette Scheel, Marc Stamminger, Jörg Pütz, Hans-Peter Seidel:
Enhancements to Directional Coherence Maps. 403-410
László Szirmay-Kalos, György Antal, Mateu Sbert:
Progressive Light Path Building. 411-418
László Szirmay-Kalos, László Kovács, Ali Mohamed Abbas:
Testing Monte-Carlo Global Illumination Methods with Analytically Computable Scenes. 419-

Keynote speech

David R. Nadeu:
Volume Visualization: Technology to Tools.

Short Papers

Anders Hast, Tony Barrera, Ewert Bengtsson:
Improved Shading Performance by Avoiding Vector Normalization. 1-7
Stéphanie Prévost, Laurent Lucas, Eric Bittar:
Multiresolution and Shape Optimization of Implicit Skeletal Model. 8-15
Sylvain Thery, Dominique Bechmann, Yves Bertrand:
N-Dimensional Gregory-Bezier for N-Dimensional Cellular Complexes. 16-23
Ramón Mollá Vayá, Roberto Vivó:
Fixed-Point Ellipse Drawing Algorithm. 24-31
Chin Hyun Chung, R. S. Ramakrishna:
A New Parallel Volume Rendering Algorithm. 32-37
Qing Xu, Jizhou Sun, Wei Zunce, Yantai Shu, Stefano Messelodi, Jing Cai:
Zero Variance Importance Sampling Driven Potential Tracing Algorithm for Global Illumination. 38-43
G. Simiakakis, Theoharis Theoharis, A. M. Day:
Parallel Ray Tracing with 5D Adaptive Subdivision. 44-51
Yann Dupuy, Mathias Paulin, René Caubet:
Occlusion Evaluation in Hierarchical Radiosity. 52-59
Jeremie Turbet, François X. Sillion:
A Graph Based Process for Easy Design of Refinement Oracle in Hierarchical Radiosity. 60-67
Oscar Belmonte, José Ribelles, Inmaculada Remolar, Miguel Chover:
Searching Triangle Strips Guided by Simplification Criterion. 68-75
Rafael Jesús Segura, Francisco R. Feito:
Algorithms to Test Ray-Triangle Intersection. Comparative Study. 76-81
John McDonald:
On Flexible Body Approximations of Rigid Body Dynamics. 82-89
Alexis Angelidis, Geoffroy Fouquier:
Visualization Issues in Virtual Environments: from Computer Graphics Techniques to Intentional Visualization. 90-97
S. Wilson, S. Sayers, M. D. J. McNeill:
Using CORBA Middleware to Support the Development of Distributed Virtual Environment Applications. 98-105
Jean-Christophe Gonzato, Sylvain Marchand:
Photo-Realistic Simulation and Rendering of Halos. 106-113
Hugo Leroux, Christopher Exton:
Visualising the Execution of Concurrent Object-Oriented Programes Dynamically Using UML. 114-119
Chengyuan Peng, Petri Vuorimaa:
A Digital Teletext Service. 120-125
Zongyi Zuo, Bing Chen:
The Multimedia CAI Software for Engineering Drawing. 126-129
Vincent Bonnafous, Eric Menou, Jean-Pierre Jessel, René Caubet:
Co-Operative and Concurrent Blending Motion Generators. 130-

Posters

Alberto Biancardi, R. De Lotto, Elena Ferrari:
Supporting the Search for the Optimal Location of Facilities. 1-4
Fatih Erol, Ugur Güdükbay:
An Interactive Facial Animation System. 5-8
Olivier Heguy, Nancy Rodriguez, Hervé Luga, Jean-Pierre Jessel, Yves Duthen:
Virtual Environment for Cooperative Assistance in Teleoperation. 9-12
Bing Chen, Zhicong Fu:
Student's Activities in the Development of the CAI Software Engineering Drawing. 13-15
Juan José Jiménez, Rafael Jesús Segura, Francisco R. Feito:
An Optimized Ray-Tracing for Complex Solids. 16-19
Martin Kraus, Thomas Ertl:
Interactive Data Exploration with Customized Glyphs. 20-23
L. Menci, F. Ceccaroni, P. Salonia:
Exploring 3D-Models in a Stereoscopic Way: A Tool for Knowledge, Documentation and Measurement of Coltural Heritage. 24-27
Manuel Oliveira, Vladimiro Colaço, Joaquim A. Jorge, Manuel J. Fonseca:
Modelling Solids and Surfaces with Sketches - an Empirical Evaluation. 28-31
Francisco Ibarra Picó, F. Garcia-Crespi, S. A. Cuenca-Asesnsi:
A DSP Implementation of an AOM and its Application to Defects Detection in Textile Material. 32-33
Bruno Jobard, Wilfrid Lefer:
Multiresolution Flow Visualization. 34-35