
University of West Bohemia
Prof. Ing. Libor Váša, Ph.D.
De omnibus dubitandum est
I am a professor at the Department of Computer Science and Engineering, University of West Bohemia. I work on compressing surface models, surface animations with constant connectivity, and motion capture data, and on evaluating the visual effects of lossy compression of graphical data.
Publications
PDF Software Slides Video
2026
Káčereková,Z., Hácha,F., Váša, L.: Faster progressive geometry compression via normal uncertainty, Computers & Graphics, 104736, 2026.
Chen,G., Váša,L., Mazumdar,A., Dasari,M.: TSMC: Time-varying 4D Scene Mesh Compression, In Proceedings of the Special Interest Group on Computer Graphics and Interactive Techniques Conference (SIGGRAPH) Conference Papers (pp. 1-12), 2026.
Frank,J., Váša,L., Lavoué,G., Miznerová,B., Rodina,L., Reissigová,J., Herynková,A., Reckziegelová,P., Řasová,K.: Innovative virtual reality application based on proprioceptive ‘facilitation and inhibition’ to improve upper limb function: A prospective, feasibility and proof-of-concept study in people with multiple sclerosis, Computers in Biology and Medicine, 201, 111376, 2026.
2025
Káčereková,Z., Hácha,F., Váša,L.: Geometry Compression Using Normal Uncertainty, Computer Graphics & Visual Computing (CGVC) 2025, 2025.
Repnik,B., Váša,L., Žalik,B.: An algorithm for voxelised solids representation using chain codes, Signal Processing: Image Communication, 117340, 2025.
Strnad,D., Kohek,Š., Žalik,B., Váša,L., Nerat,A.: Efficient Encoding and Decoding of Voxelized Models for Machine Learning-Based Applications, IEEE Access, Vol. 13, pp. 5551-5561, 2025.
Chen,G., Hácha,F., Váša,L., Dasari,M.: TVMC: Time-Varying Mesh Compression Using Volume-Tracked Reference Meshes, In Proceedings of the 16th ACM Multimedia Systems Conference (pp. 79-89), 2025.
König,A., Váša,L.: Fast Approximate Symmetry Plane Computation as a Density Peak of Candidates, In Proceedings of the 20th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2025) - Volume 1: GRAPP, pp. 185-192 ISBN: 978-989-758-728-3, 2025.
Dvořák,J., Hácha,F., Arvanitis,G., Podgorelec,D., Moustakas,K., Váša,L.: A Survey of Inter-Prediction Methods for Time-Varying Mesh Compression, Computer Graphics Forum (Vol. 44, No. 1, p. e15278), 2025.
Miznerová,B., Reissigova,J., Váša,L., Frank,J., Hudec,M., Rodina,L., ... Řasová,K.: Virtual reality-based neuroproprioceptive physiotherapy in multiple sclerosis: a protocol for a double-arm randomised assessor-blinded controlled trial on upper extremity function, postural function and quality of life, with molecular and functional MRI assessment, BMJ open, 15(1), e088046, 2025.
2024
Komprese v počítačové grafice: Komprese v počítačové grafice: efektivita a percepce, efektivita a percepce (Compression in computer graphics: efficiency and perception), talk in Czech language, University of West Bohemia, October 2024.
Hácha,F., Váša,L.: Learning Mesh Geometry Prediction, In International Conference on Computational Science (pp. 166-180). Cham: Springer Nature Switzerland, 2024.
Hácha,F., Dvořák,J., Káčereková,Z., Váša,L.: Editing Mesh Sequences with Varying Connectivity, Computers and Graphics, Computers & Graphics, 121, 103943, 2024.
Vaneček,P., Hácha,F., Váša,L.: A Predictor for Triangle Mesh Compression Working in Tangent Space, Proceedings of GRAPP 2024.
Vítová,N., Frank,J., Váša,L.: Automatic registration of 3D point cloud sequences, Proceedings of GRAPP 2024.
2023
Červenka,M., Havlíček,O., Kohout,J., Váša,L.: Computerised Muscle Modelling and Simulation for Interactive Applications, Proceedings of GRAPP 2023.
Dvořák,J., Hácha,F., Váša,L.: Global Optimisation for Improved Volume Tracking of Time-Varying Meshes, In International Conference on Computational Science (pp. 113-127), Cham: Springer Nature Switzerland, 2023.
Lukač,L., Jeromel,A., Váša,L.: A Short Overview of Prediction Methods for Image Compression, Proceedings of the 32nd International Electrotechnical and Computer Science Conference ERK 2023, Portorož, pp. 145-148, 2023.
2022
Dvořák,J., Káčereková,Z., Vaněček,P., Váša,L.: Priority-based encoding of triangle mesh connectivity for a known geometry, Computer Graphics Forum, 2022.
Maňák,M., Anikeenko,A., Váša,L., Kolingerová,I.: Compact storage of additively weighted Voronoi diagrams, The Visual Computer, 2022.
Dvořák, J., Káčereková,Z., Vaněček,P., Hruda,L., Váša,L.: As-rigid-as-possible volume tracking for time-varying surfaces, Computers and Graphics, vol. 102, 2022.
Mourycová,E., Váša,L.: Geometry Compression of Triangle Meshes using a Reference Shape, GRAPP: Proceedings of the 17th international joint conference on computer vision, imaging and computer graphics theory and applications - vol 1: GRAPP, 2022.
Hruda,L., Kolingerová,I., Váša,L.: Robust, fast and flexible symmetry plane detection based on differentiable symmetry measure, The Visual Computer, vol. 38, 2022.
2021
Arvanitis,G.: Broad-to-Narrow Registration and Identification of 3D Objects in Partially Scanned and Cluttered Point Clouds, IEEE Transactions on Multimedia, vol. 24, 2021.
Dvořák,J., Vaněček,P., Váša,L.: Towards understanding time varying triangle meshes, In proceedings of The International Conference on Computational Science, 2021.
Hácha,F., Vaněček,P., Váša,L.: A virtual reality platform for immersive education in computer graphics, Eurographics 2021 - Education Papers, The Eurographics Association, ISSN 1017-4656, 2021.
2020
Dvořák,J., Maňák,M., Váša,L.: Predictive compression of molecular dynamics trajectories, Journal of Molecular Graphics and Modelling, Vol. 96, 107531, 2020.
2019
Hruda,L., Dvořák,J., Váša,L.: On evaluating consensus in RANSAC surface registration, Computer Graphics Forum, Vol. 37(5), 2019.
Šigut,P., Vaněček,P., Váša,L.: Analytic Surface Detection in CAD Exported Models, Proceedings of GRAPP 2019.
Prantl.M., Váša,L., Kolingerová,I.: Symmetry-aware Registration of Human Faces, Proceedings of GRAPP 2019.
2018
Váša,L., Dvořák,J.: Error propagation control in Laplacian mesh compression, Computer Graphics Forum, Vol. 37(5), pp. 61-70, 2018.
Prantl,M., Váša,L.: Estimation of differential quantities using Hermite RBFinterpolation, The Visual Computer, Vol. 34, pp. 1645-1659, 2018.
2017
Janečka,K., Váša,L.: Compression of 3D Geographical Objects at Various Level of Detail, In The Rise of Big Spatial Data, Springer, pp. 359-372, 2017.
2016
Váša,L., Vaněček,P., Prantl,M., Skorkovská,V., Martínek,P., Kolingerová,I.: Mesh Statistics for Robust Curvature Estimation, Computer Graphics Forum, Vol. 35(5), pp. 271-280, 2016.
Lavoué,G., Larabi,Ch., Váša,L.: On the Efficiency of Image Metrics for Evaluating the Visual Quality of 3D Models, IEEE Transactions on Computer Graphics and Visualization, Vol. 28(8), 2016.
Váša,L., Kühnert,T., Brunnett,G.: Multivariate Analysis of Curvature Estimators, Computer Aided Design and Applications, Vol. 14(1), pp. 58-69, 2016.
Prantl,M., Váša,L., Kolingerová,I.: Fast Screen Space Curvature Estimation on GPU, In Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2016) - Volume 1: GRAPP, pp. 151-160 ISBN: 978-989-758-175-5, 2016.
2015
Uhlmann,T., Váša,L., Brunnett,G.: Fast Edge-based Geodesic Poisson Disk Remeshing, Short paper, Eurographics 2015.
Marras,S., Váša,L., Brunnett,G., Hormann,K.: Perception-driven adaptive compression of static triangle meshes, Computer-Aided Design, Vol. 58, pp. 24-33, 2015.
2014
Lobaz,P., Váša,L.: Hierarchical Laplacian-based compression of triangle meshes, Graphical Models, Vol. 76, pp. 682-690, 2014.
Váša,L., Brunnett,G.: Efficient encoding of texture coordinates guided by mesh geometry, Computer Graphics Forum, Vol. 33(5), pp 25-34, 2014.
Váša,L., Marras,S., Hormann,K., Brunnett,G.: Compressing Dynamic Meshes with Geometric Laplacians, Computer Graphics Forum, Vol. 33(2), pp 145-154, 2014.
Váša,L., Brunnett,G.: Rate-distortion Optimized Compression of Motion Capture Data, Computer Graphics Forum, Vol. 33(2), pp 283-292, 2014.
2013
Váša,L., Brunnett,G.: Exploiting connectivity to improve the tangential part of geometry prediction, IEEE Transactions on Visualization and Computer Graphics,Vol. 19(9), pp. 1467-1475, 2013.
Corsini,M., Larabi,Ch., Lavoué,G., Petřík,O., Váša,L., Wang,K.: Perceptual Metrics for Static and Dynamic Triangle Meshes, Computer Graphics Forum, Vol. 32(1), pp. 101-125, 2013.
2012
Váša,L., Rus,J.: Dihedral Angle Mesh Error: a fast perception correlated distortion measure for fixed connectivity triangle meshes, Computer Graphics Forum, Vol. 31(5), 2012.
Corsini,M., Larabi,Ch., Lavoué,G., Petřík,O., Váša,L., Wang,K.: Perceptual Metrics for Static and Dynamic Triangle Meshes, Star report, Eurographics 2012, pp. 135-157, 2012.
Rus,J., Váša,L.: Deblocking for triangle meshes, In Proceedings of VISIGRAPP 2012, 7th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, pp. 48-57, 2012.
2011
Váša,L., Petřík,O.: Optimising Perceived Distortion in Lossy Encoding of Dynamic Meshes, Computer Graphics Forum, Vol. 30(5), pp. 1439-1449, 2011.
Váša,L.: Optimised mesh traversal for dynamic mesh compression, Graphical Models Vol. 73(2), pp. 218-230, 2011.
Petřík,O., Váša,L.: Improvements of MPEG-4 Standard FAMC for Efficient 3D Animation Compression, In Proceedings of the 3DTV conference, 2011.
Váša,L., Skala,V.: A perception correlated comparison method for dynamic meshes, IEEE Transactions on Visualization and Computer Graphics, Vol. 17(2), pp. 220-230, 2011.
2010
Váša,L., Skala,V.: Geometry driven local neighbourhood based predictors for dynamic mesh compression, Computer Graphics Forum, Vol. 29(6), pp. 1921-1933, 2010.
Rus,J., Váša,L.: Analysing the influence of vertex clustering on PCA-based dynamic mesh compression, LNCS 6169, Proceedings of AMDO 2010, Springer-Verlag, pp. 55-66, 2010
Petřík,O., Váša,L.: Finding Optimal Parameter Configuration for a Dynamic Triangle Mesh Compressor, LNCS 6169, Proceedings of AMDO 2010, Springer-Verlag, pp. 31-42, 2010
2009
Váša,L., Skala,V.: COBRA: Compression of the Basis for PCA Represented Animations, Computer Graphics Forum, Vol. 28(6), pp. 1529-1540, 2009.
Váša,L., Skala,V.: Combined Compression and Simplification of Dynamic 3D Meshes, Computer Animation And Virtual Worlds, Vol. 20(4), pp. 447-456, 2009. Errata
2008
Váša,L.: Methods for size reduction of dynamic meshes, PhD. thesis at University of West Bohemia (2008).
2007
Collective of authors: Three-Dimensional Television: Capture, Transmission, Display, Springer, December 2007.
Váša,L., Skala,V.: CoDDyAC: Connectivity Driven Dynamic Mesh Compression, 3DTV Conference 2007.
2006
Váša,L.: Methods for dynamic mesh size reduction, Technical report no. DCSE/TR-2006-07 at University of West Bohemia, October 2006.
Frank,M.; Váša,L; Skala,V.: MVE-2 Applied in Education Process, Proceedings of .NET Technologies 2006, Pilsen, Czech Republic
Váša,L.;Skala,V.: A spatio-temporal metric for dynamic mesh comparison, Proceedings of AMDO 2006, Mallorca, Spain
Frank,M.; Váša,L; Skala,V.: Pipeline approach used for recognition of dynamic meshes, Proceedings of 3IA 2006, Limoges, France presentation
2005
Váša,L.; Hanák,I.; Skala,V.: Improved Super-Resolution Method and Its Acceleration, Proceedings of EUSIPCO 2005
Váša,L.; Skala,V.: Resolution Improvement of Digitized Images, Proceedings of Algoritmy 2005
2004
Váša,L.: Resolution Improvement of Digitized Images, Diploma thesis at University of West Bohemia (2004)
Erdős number: 4 (Libor Váša → Kai Hormann → David Levin → Charles Kam-tai Chui → Paul Erdős)
Projects
- 3DTV — Integrated Three-Dimensional Television: Capture, Transmission and Display
FP6-2003-IST-2, Network of Excellence, No. 511568 - INTUITION — Network of Excellence on Virtual Reality and Virtual Environments Applications for Future Workspaces
FP6-2003-IST-2, Network of Excellence, No. 507248-2 - CPG — Center of Computer Graphics, National Network of Fundamental Research Centers
MSMT Czech Rep., No. LC 06008
http://LC-CPG.zcu.cz - Computer Graphics and Visualization with C#
Microsoft Research Ltd. (U.K.) - Dynamic mesh compression
- MVE-2
- Super-Resolution
Reviewer for
Journals — 67 reviews in total:
- IEEE Transactions on Visualization and Computer Graphics
- The Visual Computer
- Computer Graphics Forum
- Computer Animation and Virtual Worlds
- Computers & Graphics
- Graphical Models
- Journal of Graphics Tools
- Signal Processing: Image Communication
- IEEE Transactions on Circuits and Systems for Video Technology
Conferences: CGI 2011 and 2013, WSCG 2007–2012, 3DTV 2008–2012, SMC 2012, GMP 2013,SIGGRAPH 2016, Eurographics 2022–23, and others.
Teaching
- Tutorial at Eurographics 2012, “Perceptual Metrics for Static and Dynamic Triangle Meshes”, with M. Corsini, Ch. Larabi, G. Lavoué, O. Petřík and K. Wang (STAR,slides)
- Invited talk “Compressing animated meshes: low data rate and low perceived distortion”, TU Dresden and TU Chemnitz, 2012
- Invited talk “Compression in computer graphics: efficiency and perception”, USI Lugano, 2012
- Lectures and tutorials on computer science and computer graphics courses at University of West Bohemia (2005–2024) and TU Chemnitz (2012–2015)
- Supervisor of 19 BSc. theses, 12 MSc. theses and 1 Ph.D. thesis; currently supervising three Ph.D. students
- Tutorial on Dynamic Mesh Compression with Jörn Ostermann and Nikolce Stefanoski at the 2nd 3DTV Conference, Istanbul, 2008
- Hosted lecture at VŠB Ostrava — Size reduction of dynamic meshes (Czech only)
- Amateur introduction to Quantum Computing (simple version,graphical version)
Education
- 2008–present — researcher / faculty at University of West Bohemia
- February–April 2006 — Leonardo internship at First Numerics Ltd., Cardiff
- 2004–2008 — Ph.D. student at University of West Bohemia, supervisorprof. Václav Skala
- September 2003–January 2004 — Erasmus programme student atUniversity of Bath, UK
- 1999–2004 — MSc. studies atUniversity of West Bohemia,Faculty of Applied Sciences,Department of Computer Science and Engineering, specialisation Computer Graphics. Diploma thesis: “Resolution Improvement of Digitized Images”.
- 1992–1999 — Gymnázium Sokolov
Downloads
Vertex normal estimation methods comparison — case study (Czech only)