Areas of Research:
I'm interested in the application of Monte Carlo, Integral Geometry and Information Theory techniques to Video Games, Medical Imaging, Global Illumination, Computational Aesthetics, Visualization, Shape Recognition and Viewpoint Selection.

Recent projects:

• Eines de Teoria de la Informació per Fotografia Computacional amb aplicació a Saliency i High Dynamic Range (amb Universitat de Hasselt, Flandes, Bèlgica)
  • Funding entity : AGAUR CONES-2010-0027
  • Amount : 8 262.32 €
  • Period : 2011 - 2012
• Noise removal, video enhancement and key frame selection and visualization for very low light level video (amb Tianjin University, Tianjin, China; Japan Advanced Institute of Science and Technology, Ishikawa, Japan)
  • Funding entity : AGAUR 2010-CONE2-00053
  • Amount : 8 901.62 €
  • Period : 2011 - 2012
• Contenido digital para juegos serios: creación, gestión, renderizado e interacción
  • Funding entity : MEC TIN2010-21089-C03-01
  • Amount : 109 142 €
  • Period : 2010 - 2012
• Innovative plug-ins to improve realism in graphical engines
  • Funding entity : CIDEM (Generalitat de Catalunya)
  • Amount : 82 487.20 €
  • Period : 2009 - 2011
• Sistema de visualització per l'ajut a la presa de decisions - SVAPD
  • Funding entity : CIDEM (Generalitat de Catalunya)
  • Amount : 22.236 €
  • Period : 2008 - 2010
• Contenido inteligente para aplicaciones de realidad virtual. Técnicas de punto de vista e iluminación global. TIN2007-68066-C04-01
  • Funding entity : MEC
  • Amount : 175.000 €
  • Period : 10/10/2007 - 31/10/2010
• Synthesis of Photo-realistic Images in Computer Games and Virtual Reality Systems
  
  • Funding entity : M.E.C. HH2004-001
  • Amount : 8.000 €
  • Period : 01/01/05 - 31/12/06
• Desarrollo de un optimizador de diseños modelados en sistemas CAD para su visualización en tiempo real
  • Funding entity : Ministerio de Industria, Turismo y Comercio - Profit 2004 - Consorcios TIC
  • Amount : 131.162 €
  • Period : 01/10/04 - 31/12/05
• GameTools (Advanced Tools for Developing Highly Realistic Computer Games). IST-2-004363
  • Funding entity : European Community - Commission of the European Communities
  • Amount : 245.100 € (UdG) 1.649.863 € (Global)
  • Period : 01/09/04 - 30/05/07
• Mejora y aplicación de la tecnología de juegos en realidad virtual y contenido web. TIN2004-07451-C03-01
  • Funding entity : MEC
  • Amount : 131.790 €
  • Period : 01/01/2005 - 31/12/2007
• Síntesis de imágenes fotorrealistas en juegos por ordenador. TIC2001-2416-C03-01
  • Funding entity : MCYT
  • Amount : 14.280.000 PTA
  • Period : 28/12/01 - 27/12/04

PhD. Thesis Advised:

• Enhancing the Rendering of Natural Scenes: Rain, Sea and Terrain
  Anna Puig Centelles
  Universitat Jaume I, 2010
  Coadvised with Miguel Chover
• Improvements in the Ray Tracing of Implicit Surfaces based on Interval Arithmetic
  Jorge Flórez-Díaz
  Universitat de Girona, 2008
  Coadvised with Josep Vehí
• Fast Photorealistic Techniques to simulate global illumination in videogames and virtual environments
  Alex Méndez
  Universitat Politècnica de Catalunya, 2007.
• View-point driven simplification of polygonal models using information theoretic measures
  Pascual Castelló
  Universitat Jaume Ier (UJI), 2007.
  Coadvised with Miguel Chover.
• Information-Theoretic refinement Criteria for image Synthesis
  Jaume Rigau
  Universitat Politècnica de Catalunya, 2006.
  Coadvised with Miquel Feixas.
• Adaptive and Depth Buffer Solutions with Bundles of Parallel Rays for Global Line MonteCarlo Radiosity
  Roel Martínez
  Universitat Politècnica de Catalunya, 2004.
• On the Selection of Good Views and its Application to Computer Graphics
  Pere Pau Vázquez
  Universitat Politècnica de Catalunya, 2003.
  Coadvised with Wolfgang Heidrich.
• An Information-Theory Framework for the Study of the Complexity of Visibility and Radiosity in a Scene
  Miquel Feixas
  Universitat Politècnica de Catalunya, 2002.
• Efficient Techniques in Global Line Radiosity
  F.Castro
  Universitat Politècnica de Catalunya, 2002.

Publications:

2012 - 2011 - 2010 - 2009 - 2008 - 2007 - 2006 - 2005 - 2004 - 2003 - 2002 - 2001 - 2000 - 1999 - 1998 - 1997 - 1996 - 1995 - 1994 - 1993
2012

• Energy-saving light positioning using heuristic search
  Francesc Castro, Esteve del Acebo, Mateu Sbert
  Engineering Applications of Artificial Intelligence, 25, pp. 566-582
• Description and solution of an unreported intrinsic bias in photon mapping density estimation with constant kernel
  R. García, C. Ureña, M. Sbert
  Computer Graphics Forum, Volume 31 (2012), number 1, pp 33-41

2011

• Shadow map filtering with Gaussian Shadow Maps
  Jesús Gumbau, Mateu Sbert, László Szirmay-Kalos, Miguel Chover and Carlos González
  VRCAI2011
• Tsallis Entropy for Geometry Simplification
  Pascual Castelló, Carlos González, Miguel Chover, Mateu Sbert and Miquel Feixas
  Entropy 2011, 13(10), 1805-1828; September 2011
• Viewpoint Information
  X. Bonaventura and M. Feixas and M. Sbert
  International Conference GraphiCon'2011
• Automatic transfer functions based on informational divergence
  Marc Ruiz, Anton Bardera, Imma Boada, Ivan Viola, Miquel Feixas, Mateu Sbert
  IEEE Transactions on Visualization and Computer Graphics, vol. 17, no. 12, December 2011
• Tsallis Mutual Information for Document Classification
  Màrius Vila, Anton Bardera, Miquel Feixas, Mateu Sbert
  Entropy, vol. 13, no. 9, , pp. 1694-1707, September 2011
• Interactive modeling of flowers with 3Gmap L-Systems
  Olga Petrenko. Olivier Terraz, Mateu Sbert, Djamchid Ghazanfarpour
  GraphiCon'2011. 21st International Conference on Computer Graphics and Vision.
• Noise Reduction for Path Traced Imaging of Participating Media
  Qing Xu, Yu Liu, Ruijie Zhang, Shiqiang Bao, Riccardo Scopigno, Mateu Sbert
  2011 European Signal Processing Conference (EUSIPCO‐2011)
• Rain Simulation on Dynamic Scenes
  Anna Puig, Nico Sunyer, Oscar Ripolles, Miguel Chover, Mateu Sbert
  Int'l Journal of Creative Interfaces & Computer Graphics (IJCICG), to appear
• Multiresolution Image Registration Based on Tree Data Structures
  Anton Bardera, Imma Boada, Miquel Feixas, Jaume Rigau, Mateu Sbert
  Graphical Models. Volume 73, Issue 4, pp. 111-126, July 2011.
• Improving Shadow Map Filtering with Statistical Analysis
  Gumbau, Jesus, Szirmay-Kalos, László, Sbert, Mateu, Miguel Chover Sellés
  Eurographics 2011 Short Papers
• Multimodal Data Fusion based on Mutual Information
  Roger Bramon, Imma Boada, Anton Bardera, Quim Rodríguez, Miquel Feixas, Josep Puig, Mateu Sbert
  IEEE Transactions on Visualization and Computer Graphics
• Information Theory in Computer Graphics and Visualization
  Mateu Sbert, Miquel Feixas, Ivan Viola
  SIGGRAPH ASIA Course, Hong Kong, December 2011
• Applications of Information Theory to Scientific Visualization
  Ivan Viola, Miquel Feixas, Min Chen, Heike Jänicke, Mateu Sbert
  VISUALIZATION Tutorial, Providence (USA), October 2011

2010

• A New Refinement Criterion for Adaptive Sampling in Path Tracing
  Qing Xu, Mateu Sbert, Miquel Feixas, Riccardo Scopigno
  ISIE 2010, Bari, Italy
• GPU-based Ambient Occlusion and Indirect Illumination
  Balázs Tóth, Tamás Umenhoffer, László Szirmay-Kalos and Mateu Sbert
  UPGRADE, digital journal of CEPIS (Council of European Professional Informatics Societies), December 2010
• Oclusión ambiental e iluminación indirecta basada en GPU 10
  Balázs Tóth, Tamás Umenhoffer, László Szirmay-Kalos, Mateu Sbert
  Novática, journal of the Spanish CEPIS society ATI (Asociación de Técnicos de Informática), issue 208 (November-December 2010)
• Image Information on Digital Photography
  J. Rigau, M. Feixas, and M. Sbert
  Workshop on Computational Photography and Aesthetics - The Tenth Asian Conference on Computer Vision (ACCV), 2010.
  Lecture Notes in Computer Science © Springer-Verlag
• Volumetric Ambient Occlusion for Volumetric Models
  M. Ruiz, L. Szirmay-Kalos, T. Umenhoffer, I. Boada, M. Feixas and M. Sbert
  CGI 2010, The Visual Computer
• A new approach for very dark video denoising and enhancement
  Qing Xu, Hailin Jiang, Riccardo Scopigno, Mateu Sbert
  ICIP 2010
• Selection and 3D Visualization of Video Key Frames
  Qing Xu, Pengcheng Wang, Bin Long, Mateu Sbert, Miquel Feixas, Riccardo Scopigno
  SMC2010
• Tessellating Ocean Surfaces
  A. Puig-Centelles, F. Ramos, M. Chover, O. Ripolles, M. Sbert
  Proceedings of the Fifth International Conference on Computer Graphics Theory and Applications. Accepted for GRAPP 2010
• Viewpoint Information Channel for Illustrative Volume Rendering
  M. Ruiz, I. Boada, M. Feixas, M. Sbert
  Computers and Graphics Journal, accepted.
• Image Registration by Compression
  Bardera, A.; Feixas, M.; Boada, I.; Sbert, M.
  Information Sciences, 180(7), 1121-1133, 2010. ImageBibtex
• Volumetric Ambient Occlusion for Real-Time Rendering and Games
  László Szirmay-Kalos, Tamás Umenhoffer, Balázs Tóth, László Szécsi, Mateu Sbert
  IEEE Computer Graphics & Applications, 30(1), 70-79, 2010
• Reliable soft shadows over implicit surfaces
  J. Flórez-Díaz and M. Sbert
  Proceedings of 18th International Conference on Computer Graphics, Visualization and Computer Vision'2010, Plzen, Czech Republic, 2010, pp 151-157
• Screen Space Soft Shadows
  Jesus Gumbau, Miguel Chover and Mateu Sbert
  GPU Pro section 7.4
• Interactive volume illustration using intensity filtering
  Marc Ruiz, Imma Boada, Miquel Feixas, and Mateu Sbert
  Computational Aesthetics in Graphics, Visualization, and Imaging (2010)
• Toward Auvers Period: Evolution of van Gogh's Style
  Jaume Rigau, Miquel Feixas, Mateu Sbert, and Christian Wallraven
  Computational Aesthetics in Graphics, Visualization, and Imaging (2010)
• Viewpoint Entropy-driven Simplification Method for Textured Triangle Meshes
  C. González, P. Castelló, M. Chover, M. Sbert, M. Feixas.
  Proceedings of the Fifth International Conference on Computer Graphics Theory and Applications. GRAPP. 2010.

2009

• Information Theory Tools for Computer Graphics
  Mateu Sbert, Miguel Feixas, Jaume Rigau, Ivan Viola, Miguel Chover
  Morgan & Claypool Publishers; 1 edition (Sep 15 2009) ISBN 1598299298
• Information Theory Tools for Viewpoint Selection, Mesh Saliency and Geometry Simplification
  Mateu Sbert, Miquel Feixas, Pascual Castelló, Miguel Chover
  Intelligent Computer Graphics 2009, Springer Berlin
  Heidelberg, pp. 41-61, 2009
• Speculative parallelization of multipath radiosity algorithm
  A.Trias, J. Puiggalí, F. Castro,T. Jové , M. Sbert and J. L. Marzo
  Proceedings of SPECTS'09. Istambul (Turkey). 2009
• A Unified Information-Theoretic Framework for Viewpoint Selection and Mesh Saliency
  Miquel Feixas, Mateu Sbert, Francisco González
  ACM Transactions on Applied Perception, Volume 6 Issue 1, February 2009, pp 1:1 - 1:23
• Specular Effects on the GPU: State of the Art
  László Szirmay-Kalos, Tamás Umenhoffer, Gustavo Patow, László Szécsi, Mateu Sbert
  Computer Graphics Forum, Vol 28, issue 6
• Incremental reuse of paths in random walk radiosity
  Francesc Castro, Mateu Sbert
  LSSC 2009, 7th International Conference on Large-Scale Scientific Computations, Sozopol, Bulgaria, June 2009
• Heuristic-Search-Based Light Positioning according to Irradiance Intervals
  Francesc Castro, Esteve del Acebo, Mateu Sbert
  International Symposium on Smart Graphics, Salamanca, 2009.
  Lecture Notes in Computer Science (5531) pag. 128-139.
• Categorizing art: comparing humans and computers
  C. Wallraven, R. Fleming, D. Cunningham, J. Rigau, M. Feixas, M. Sbert
  Computers and Graphics, Elsevier Ltd.
• Aesthetic appraisal of art - from eye movements to computers
  C. Wallraven, D. Cunningham, J. Rigau, M. Feixas, M. Sbert
  International Symposium on Computational Aesthetics in Graphics, Visualization, and Imaging, 2009
  Pag. 137-144, Eurographics Association.
• Image Segmentation Using Excess Entropy
  A. Bardera, I. Boada, M. Feixas and M. Sbert
  Journal of Signal Processing Systems
  Springer New York, Volume 54, No 1-3, pp. 205-214, January 2009
• Image Segmentation using Information Bottleneck Method
  A. Bardera, J. Rigau, I. Boada, M. Feixas and M. Sbert
  IEEE Transactions on Image Processing. Volume 18, N. 13, Pag. 1601--1612, July 2009
• A New Approach to Salt-and-Pepper Noise Removal for Color Image
  Qing Xu , Rui Zhang and Mateu Sbert
  Fifth International Joint Conference on INC, IMS and IDC, 2009
• Efficient Animation Rendering Based on Spatio-Temporal Coherence
  Qing Xu, Huaping Chen and Mateu Sbert
  First IEEE International Conference on Information Science and Engineering, 2009
• Screen Space Obscurances
  N. Sunyer, J. Gumbau, M. Chover, M. Sbert
  Congreso Español de Informática Gráfica CEIG 2009.
• Simulación de Lluvia sobre Escenas Dinámicas
  N. Sunyer, A. Puig-Centelles, O. Ripollés, M. Chover, M. Sbert
  Congreso Español de Informática Gráfica CEIG 2009.

2008

• Obscurance-based Volume Rendering Framework
  M. Ruiz, I. Boada, I. Viola, S. Bruckner, M. Feixas, and M. Sbert
  IEEE/ EG Symposium on Volume and Point-Based Graphics (2008)
• Partial, Multi-scale Precomputed Radiance Transfer
  Tamás Umenhoffer, László Szirmay-Kalos, László Szécsi, Balázs Tóth, Mateu Sbert
  Proceedings of Spring Conference on Computer Graphics, 2008
• Global Illumination in Games with Multi-scale PRT
  Tamás Umenhoffer, László Szirmay-Kalos, László Szécsi, Balázs Tóth, Mateu Sbert
  Computer Graphics & Geometry Journal, Vol. 10, 2008
• Similarity-based Exploded Views.
  Marc Ruiz, Ivan Viola, Imma Boada, Stefan Bruckner, Miquel Feixas, Mateu Sbert.
  8th International Symposium on Smart Graphics, 2008
• Viewpoint-driven Simplification Using Mutual Information.
  Pascual Castelló, Mateu Sbert, Miguel Chover, Miquel Feixas.
  Computers & Graphics Journal, Volume 32 Issue 4, August, 2008
• Fast Visualisation and Interactive Design of Deterministic Fractals.
  Sven Banisch, and Mateu Sbert.
  Proceedings of Computational Aesthetics 2008
• Informational Dialogue with Van Gogh's Paintings.
  Jaume Rigau, Miquel Feixas, and Mateu Sbert.
  Computational Aesthetics 2008, Eurographics Workshop on Computational Aesthetics in Graphics, Visualization and Imaging, 115-122, 2007. Eurographics Association.
• Improving Multipath Radiosity with Bundles of Parallel Lines
  Roel Martínez, Mateu Sbert and László Szirmay-Kalos
  Computer Graphics Forum, Volume 27, Number 6, September 2008 pp 1632-1646.
• Efficient Reuse of Paths in Random Walk Radiosity
  Francesc Castro, Mateu Sbert, John H. Halton
  Computers & Graphics, Vol 32(1) pp 65-81
• Informational Aesthetics Measures
  Jaume Rigau, Miquel Feixas, Mateu Sbert
  IEEE Computer Graphics & Applications, to appear
• View-point based Ambient Occlusion
  Francisco González, Mateu Sbert, Miquel Feixas
  IEEE Computer Graphics & Applications, to appear
• A Unified Information-Theoretic Framework for Viewpoint Selection and Mesh Saliency
  Miquel Feixas, Mateu Sbert, Francisco González
  ACM Transactions on Applied Perception, to appear
• Guaranteed Adaptive Antialiasing using Interval Arithmetic
  Jorge Flórez, Mateu Sbert, Miguel A. Sainz, Josep Vehi
  Advances in Computational Sciences and Technology, to appear
• From obscurances to ambient occlusion: A survey
  Alex Méndez and Mateu Sbert
  The Visual Computer, Volume 25, Number 2, pp 181-196
• Viewpoint-based Simplification using f-divergences
  Pascual Castelló, Mateu Sbert, Miguel Chover, Miquel Feixas
  Information Sciences, Volume 178 Issue 11, June, 2008

2007

• Multi-layered indirect texturing for tree rendering
  I.Garcia, G.Patow, M.Sbert, and L.Szirmay-Kalos
  Eurographics Workshop on Natural Phenomena 2007, D. Ebert, S. Mérillou (Eds)
• View-based Shape Similarity using Mutual Information Spheres
  Francisco González García, Miquel Feixas and Mateu Sbert
  Eurographics'07 Short Paper, Prague, Czech Republic, 2007
• GPU-based Techniques for Global Illumination Effects
  Szirmay-Kalos László, Szécsi László, Sbert Mateu
  Morgan & Claypool Publishers, 2007. (in press)
• Applications of Information Theory to Computer Graphics
  Mateu Sbert, Miquel Feixas, Jaume Rigau, Miguel Chover, Ivan Viola
  Eurographics Tutorial, 2007
• Viewpoint Entropy-Driven Simplification
  Castelló,P., Sbert,M., Chover,M., Feixas,M.
  WSCG 2007. FULL Papers proceedings, ISBN 978-80-86943-01-5. Plzen (Czech Republic), February 2007
• Fast GPU-based reuse of paths in radiosity
  Francesc Castro, Gustavo Patow, Mateu Sbert, John H. Halton
  Monte Carlo Methods and Applications,Volume: 13, Issue: 4, Page(s): 253-273
• A Novel Adaptive Sampling by Tsallis Entropy
  Qing Xu, Mateu Sbert, Lianping Xing, Jianfeng Zhang
  CGIV 2007: 5-10
• Conceptualizing Birkhoff's Aesthetic Measure Using Shannon Entropy and Kolmogorov Complexity
  Jaume Rigau, Miquel Feixas, Mateu Sbert
  Computational Aesthetics 2007: 105-112
• An Information-Theoretic Ambient Occlusion
  Francisco González, Mateu Sbert, Miquel Feixas
  Computational Aesthetics 2007: 29-36
• AM-GM Difference Based Adaptive Sampling for Monte Carlo Global Illumination
  Qing Xu, Mateu Sbert, Miquel Feixas, Jianfeng Zhang
  ICCSA (2) 2007: 602-611
• A New Way to Re-using Paths
  Qing Xu, Mateu Sbert
  ICCSA (2) 2007: 741-750
• Registration-Based Segmentation Using the Information Bottleneck Method
  Anton Bardera, Miquel Feixas, Imma Boada, Jaume Rigau, Mateu Sbert
  IbPRIA (2) 2007: 130-137
• A Generalised-Mutual-Information-Based Oracle for Hierarchical Radiosity
  Jaume Rigau, Miquel Feixas, Mateu Sbert
  International Conference on Computational Science (2) 2007: 105-113
• Guaranteed Adaptive Antialiasing Using Interval Arithmetic
  Jorge Flórez, Mateu Sbert, Miguel Ángel Sainz, Josep Vehí
  International Conference on Computational Science (2) 2007: 166-169
• Interactive Global Illumination with Precomputed Radiance Maps
  László Szécsi, László Szirmay-Kalos, and Mateu Sbert
  ShaderX 6: Advanced Rendering, edited by Wolfgang Engel, Charles River Media, 2007

2006

• Parallel implementation of a ray tracing of implicit surfaces using Interval Arithmetic
  Jorge Flórez, Mateu Sbert, Josep Vehi and Miguel A. Sainz
  GAMM - IMACS International Symposion on Scientific Computing, Computer Arithmetic and Validated Numerics, Sep 2006
• Adaptive Sampling Based on Fuzzy Inference
  Qing Xu, Mateu Sbert
  GRAPHITE 2006
• Importance-Driven Focus of Attention
  Ivan Viola, Miquel Feixas, Mateu Sbert and Meister Eduard Groeller
  IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS, VOL. 12, NO. 5, SEPTEMBER/OCTOBER 2006
• Fuzziness Driven Adaptive Sampling for Monte Carlo Global Illuminated Rendering
  Qing Xu, Mateu Sbert, Wei Wang and Lianping Xing
  Proceedings of Computer Graphics International 2006
• Improving the Interval Ray Tracing of Implicit Surfaces
  Jorge Florez, Mateu Sbert, Miguel A. Sainz, Josep Vehi
  Proceedings of Computer Graphics International 2006
• GPUGI: Global Illumination Effects on the GPU
  Laszlo Szirmay-Kalos, Laszlo Szecsi and Mateu Sbert
  Eurographics 2006 Tutorial
• Light Animation with Precomputed Light Paths on the GPU
  Laszlo Szecsi, Laszlo Szirmay-Kalos, and Mateu Sbert
  Proceedings of Graphics Interface 2006
• Realtime automatic selection of good molecular views
  Pere-Pau Vazquez, Miquel Feixas, Mateu Sbert and Antoni Llobet
  Computers & Graphics, Volume 30, Issue 1, February 2006, Pages 98-110.
• Systematic Sampling in Image-Synthesis
  M. Sbert, J. Rigau, M. Feixas and Laszlo Neumann
  Proceedings of ICCSA 2006 (LNCS 3980), Glasgow, UK, May 2006
• Techniques for Computing Viewpoint Entropy of a 3D Scene
  P. Castello, M. Sbert, M. Chover, M. Feixas
  Proceedings of ICCS 2006 (LNCS 3992), Reading, UK, May 2006
• Técnicas para Calcular la Entropía Dependiente de la Vista de una Escena 3D
  P. Castelló, M. Chover, M.Sbert, M.Feixas
  XV Congreso Español de Informática Gráfica, ISBN/ISSN 84-9732-431-5, Granada, pp. 277-280, September 2005
• An Information-Theoretic Approach to Shape Complexity
  J.Rigau, M.Feixas, M.Sbert
  Computer Graphics & Geometry Internet Journal (Vol. 8, No. 1)
• Medical Image Registration based on BSP and Quad-tree partitioning
  A. Bardera, M. Feixas, I. Boada, J.Rigau and M. Sbert,
  Proceedings of the Third International Workshop on Biomedical Image Registration 2006, Utrecht, Netherlands, July 2006.
• High-dimensionals normalized mutual informacion for image registration using random lines
  A. Bardera, M. Feixas, I. Boada and M. Sbert,
  Proceedings of the Third International Workshop on Biomedical Image Registration 2006, Utrecht, Netherlands, July 2006.
• Compression based image registration
  A. Bardera, M. Feixas, I. Boada and M. Sbert,
  Proceedings of the IEEE International Symposium on Information Theory 2006, Seattle, USA, July 2006.
• Efficient rendering of light and camera animation for navigating a frame array,
  Àlex Méndez Feliu, Mateu Sbert
  Computer Animation and Social Agents CASA 2006
  Geneve, Switzerland, July 2006
• Obscurances in General Environments,
  Àlex Méndez Feliu, Mateu Sbert
  Graphicon 2006
  Novosibirsk, Russia, July 2006
• A Unified Information-Theoretic Framework for Viewpoint Selection and Mesh Saliency,
  Miquel Feixas, Mateu Sbert, Francisco González,
  IIiA-06-06-RR, Institut d'Informàtica i Aplicacions, Universitat de Girona (Girona, Spain), 10-04-2006.
• A Monte Carlo-based Fiber Tracking Algorithm using Diffusion Tensor MRI
  F.Prados, A. Bardera, M. Feixas, I. Boada and M. Sbert,
  Proceedings of the 19th IEEE International Symposium on Computer-Based Medical Systems 2006, Salt Lake City, USA, June 2006.
• Realtime automatic selection of good molecular views.
  Pere-Pau Vázquez, Miquel Feixas, Mateu Sbert and Antoni Llobet
  Computers & Graphics, Volume 30, Issue 1, February 2006, Pages 98-110.
• Reusing Frames in Camera Animation
  Àlex Méndez-Feliu, Mateu Sbert, László Szirmay-Kalos
  Journal of WSCG, ISSN 1231-6972, Vol. 14, 2006.
• Real-time Obscurances with Color Bleeding
  À. Méndez-Feliu, M. Sbert, J. Catà, N. Sunyer, S. Funtané
  SHADERX4 Sebastian St-Laurent and Wolfrang Engel (Eds.) Charles River Media, Hingham, MA, USA. January 2006

2005

• Real-Time Multiple Scattering in Participating Media with Illumination Networks
  Laszlo Szirmay-Kalos, Mateu Sbert, Tamas Ummenhoffer
  Rendering Techniques'05, ACM Siggraph Press, 2005.
• Go with Winners Strategy in Path-Tracing
  Laszlo Szirmay-Kalos, Gyorgy Antal, Mateu Sbert
  Journal of WSCG, Vol.13, No.2, pp.49-56, 2005.
• Viewpoint Quality: Measures and Applications
  M. Sbert, D. Plemenos, M. Feixas, F. González
  Eurographics Workshop on Computacional Aesthetics in Graphics, Visualization and Imaging, May 2005, Girona (Spain).
• Shape Complexity Based on Mutual Information
  J. Rigau, M. Feixas, M. Sbert
  Proceedings of IEEE International Conference on Shape Modeling and Applications. June 2005, MIT, Cambridge (USA).
• Point Sampling with Uniformly Distributed Lines
  J. Rovira, P. Wonka, F. Castro, M. Sbert Symposium on Point-Based Graphics (PBG05), June 2005, Stony Brook (USA).
• An Information Theoretic Framework for Image Complexity
  J. Rigau, M. Feixas, M. Sbert
  Eurographics Workshop on Computacional Aesthetics in Graphics, Visualization and Imaging, May 2005, Girona (Spain).
• Benfords Law for Natural and Synthetic Images
  E. Acebo, M. Sbert
  Eurographics Workshop on Computacional Aesthetics in Graphics, Visualization and Imaging, May 2005, Girona (Spain).
• Tree rendering with billboard clouds
  Ismael García, László Szirmay-Kalos and Mateu Sbert
  Third Hungarian Conference on Computer Graphics and Geometry, Budapest, 2005.
• Leaf Cluster Impostors for Tree Rendering with Parallax
  I. Garcia, M. Sbert, L. Szirmay-Kalos
  Eurographics05, Dublin (Ireland), 2005.
• Medical Image Registration Based on Random Line Sampling
  A. Bardera, M. Feixas, I. Boada, M. Sbert
  IEEE Internacional Conference on Image Processing (ICIP 2005), Genova (Italy).
• Estimation of the Probability of Congestion using Monte Carlo method in OPS Networks
  A. Urra, J.L. Marzo, M. Sbert, E. Calle
  IEEE Symposium on Computers and Communications (ISCC 2005), June 2005, Cartagena (Spain).

2004

• Reusing paths in radiosity and global illumination
  Mateu Sbert, Philippe Bekaert, John Halton
  Monte Carlo Methods and Applications, 2004.
• Combining Light Animation with Obscurances for Glossy Environments
  Àlex Méndez Feliu, M. Sbert
  Computer Animation and Virtual Worlds 2004; 15(3-4): 463--470, John Wiley & Sons, July 2004, The Very Best Papers of CASA 2004, Geneva, Switzerland.
• Combined Correlated and Importance Sampling in Direct Light Source Computation and Environment Mapping
  Laszlo Szirmay-Kalos, Mateu Sbert, Laszlo Szecsi
  Computer Graphics Forum (Eurographics 2004).
• Real-time Light Animation
  Mateu Sbert, László Szirmay-Kalos, Laszlo Szecsi
  Computer Graphics Forum (Eurographics 2004).
• Point-Based Modeling from a single image
  Pere-Pau Vázquez, Jordi Marco, Mateu Sbert
  CGGM 2004 Krakow, in Lectures Notes in Computer Science, Springer-Verlag.
• Fast Multipath Radiosity using Hierarchical Subscenes
  F.Castro, M.Sbert i L.Neumann
  Computer Graphics Forum, Vol.23, no 1, 43-54, March 2004.
• Metropolis Iteration
  Szirmay-Kalos Laszlo, Benedek Balazs, Mateu Sbert
  WSCG 2004.

2003

• Fast realistic lighting for video games
  Iones, A., Krupkin, A., Sbert, M,Zhukov, S.
  IEEE Computer Graphics & Applications.
• A Multiple Depth Buffer Implementation for Radiosity
  Roel Martinez, Laszlo Szirmay-Kalos and Mateu Sbert
  CGGM'2003, Computer Graphics and Geometric Modeling, Montreal, Canada, May 18-21, 2003.
• Combining Global and Local Global-Illumination Algorithms Grgy Antal
  Roel Martinez, Ferenc Csonka, Mateu Sbert, Laszlo Szirmay-Kalos
  Proceedings of Spring Conference on Computer Graphics SCCG 2003, Bratislava, Slovakia, April 2003.
• Information-Theory-Based Oracles for Hierarchical Radiosity
  J. Rigau, M. Feixas, and M. Sbert
  II International Workshop on Computer Graphics and Geometric Modeling (CGGM'2003) in the 2003 International Conference on Computational Science and Its Applications (ICCSA 2003) (Montreal, Canada), may-2003.
• Entropy-Based Adaptive Sampling
  J. Rigau, M. Feixas, and M. Sbert
  Graphics Interface 2003 (Halifax, Canada), june-2003.
• Perception-based illumination information measurement and light source placement
  Pere-Pau Vazquez, Mateu Sbert
  Lecture Notes in Computer Science, 2003 (Proc. of ICCS'2003).
• Fast adaptive selection of best views
  Pere-Pau Vzquez, Mateu Sbert
  Lecture Notes in Computer Science, 2003 (Proc. of ICCS'2003).
• Real-Time Obscurances with Color Bleeding
  Alex Mendez, Mateu Sbert, Jordi Cata
  Proceedings of Spring Conference on Computer Graphics SCCG 2003, Bratislava, Slovakia, April 2003. Best Presentation Award
• Automatic Indoor Scene Exploration
  Pere-Pau Vazquez and Mateu Sbert
  Proceedings of 6th International Conference on Computer Graphics and Artificial Intelligence (3IA 2003).14-15 May 2003, Limoges, France.
• Bandwidth Reduction for Remote Navigation Systems Through View Prediction and Progressive Transmission
  Pere-Pau Vazquez and Mateu Sbert
  Accepted for publication in Elsevier's Future Generation Computer Systems International Journal.
• Refinement Criteria Based on f-Divergences
  Jaume Rigau, Miquel Feixas, and Mateu Sbert
  Eurographics Symposium on Rendering 2003. Leuven, Belgium, june 2003.
• Color Appearance in Multispectral Radiosity
  Neumann L., Castro F., Neumann A., Sbert M.
  2nd Computer Graphics and Geometry Conference, Budapest, 2003, 183-194.
• Automatic View Selection Using Viewpoint Entropy and its Application to Image-Based Modeling
  Pere-Pau Vazquez, Miquel Feixas, Mateu Sbert, and Wolfgang Heidrich
  Computer Graphics Forum, December 2003.
• Systematic Sampling in Ray Tracing
  Mateu Sbert, Jaume Rigau, Miquel Feixas and Laszlo Neumann
  IVth IMACS Seminar on Monte Carlo Methods MCM 2003, 15-19 September 2003, Berlin.
• Obscurances for ray-tracing
  Alex Mendez, Mateu Sbert, Laszlo Neumann
  EUROGRAPHICS 2003 Poster Presentation, Granada, Spain, 2003.
• Real-time obscurances with Color Bleeding
  Alex Mendez, Mateu Sbert, Jordi Cata
  (The Three Cubes Demo) Video Presentation, Eurographics 2003, Granada, Spain.
• Efficient Monte Carlo and Quasi-Monte Carlo Rendering Techniques Tutorial
  Keller, T. Kollig, M. Sbert, L. Szirmay-Kalos
  Eurographics 2003, Granada, Spain.
• Refinement Criteria for Global Illumination using Convex Functions
  J. Rigau, M. Feixas, and M. Sbert
  Compositional Data Analysis Workshop, Girona.

2002

• Bandwidth Reduction Techniques for Remote Navigation Systems
  P.-P. Vazquez and M. Sbert
  Lecture Notes in Computer Science (Proc. 2nd International Workshop on Computer Graphics and Geometric Modeling (CG&GM'02) Amsterdam, April 2002.
• Automatic Keyframe Selection Techniques for High-Quality Image-Based Walkthrough Animation Using Viewpoint Entropy
  P.-P. Vazquez and M. Sbert
  WSCG'02, Plzen, February 2002.
• Image-Based Modeling Using Viewpoint Entropy
  P.-P. Vazquez, M. Feixas, M. Sbert and W. Heidrich
  Proceedings of Computer Graphics International, July 2002, Bradford, UK.
• Viewpoint Entropy: A New Tool for Obtaining Good Views for Molecules
  P.-P. Vazquez, M. Feixas, M. Sbert and A. Llobet
  D.Ebert, P.Brunet, I.Navazo (eds.), Data Visualisation 2002 (Eurographics/IEEE TCVG Symposium Proceedings). May 27-29, 2002, Barcelona, Spain.
• Accelerating path tracing by reusing paths
  Philippe Bekaert, Mateu Sbert and John Halton
  Rendering Techniques 2002 (Eurographics Workshop on Rendering), pp.125-134, ACM Siggraph Press.
• Applications of Information Theory to Computer Graphics
  Mateu Sbert, Miquel Feixas, Jaume Rigau, Francesc Castro and Pere Pau Vazquez
  Invited Talk, 3IA' 2002, Limoges, 2002.
• A Hardware Based Implementation of the Multipath Method
  Roel Martinez, Laszlo Szirmay-Kalos and Mateu Sbert
  CGI2002, Computer Graphics International, Bradford UK, July 1-5, 2002 Proc. of Computer Graphics International 2002, J. Vince and R. Earnshaw (eds.), Ed. Springer, ISBN 1-85233-654-4.
• Fuzzy Random Walk
  F.Castro, M.Feixas i M.Sbert
  CGI'02 Bradford (UK), 2002.
• Quasi-Monte Carlo techniques in Multipath radiosity
  F.Castro i M.Sbert
  Homenatge a Lluis Santalo, Catedra Lluis Santalo d'Aplicacions a la Matematica, 2002.
• Optimal ray shooting in Monte Carlo radiosity
  Alex Brusi, Mateu Sbert, Philippe Bekaert, Robert Tobler, Werner Purgathofer
  Computers & Graphics, 26 351-354, 2002.
• New Contrast Measures for Pixel Supersampling
  J. Rigau, M. Feixas, and M. Sbert
  Advances in Modeling, Animation and Rendering. Proceedings of CGI'02 (Bradford, UK), pp. 439-451, 2002. Springer-Verlag London Limited, London, UK.
• Entropy-Based Adaptive Supersampling
  J. Rigau, M. Feixas, and M. Sbert
  The 13th Eurographics Workshop on Rendering, Poster Papers Proceedings (Pisa, Italy), pp. 63-70, 2002.
• Information-Theoretic Oracle Based on Kernel Smoothness for Hierarchical Radiosity
  M. Feixas, J. Rigau, P. Bekaert, and M. Sbert
  Short Presentations of Eurographics (Saarbrcken, Germany), pp. 325-333, 2002.

2001

• Parallel Implementation of Stochastic Iteration
  R. Martínez, L. Szirmay-Kalos, M. Sbert and A.M. Abbas
  WSCG'01, Plzen, February 2001.
• Visibility Complexity of Animation in Flatland
  J. Rigau, M. Feixas and M. Sbert
  WSCG'01, Plzen, February 2001.
• Progressive Light Path Building
  L. Szirmay-Kalos, G. Antal and M. Sbert
  WSCG'01, Plzen, February 2001.
• View-Dependent Information Theory Quality Measures for Pixel Sampling and Scene Discretization in Flatland
  J. Rigau, M. Feixas, Ph. Bekaert and M. Sbert
  Proceedings of SCCG'01, Budmerice, Slovakia, 2001.
• Viewpoint Selection using Viewpoint Entropy
  P.-P. Vazquez, M. Feixas, M. Sbert and W. Heidrich
  6th International Fall Workshop Vision, Modeling and Visualization 2001, November 21-23, Stuttgart, Germany, 2001.

2000

• Optimal Absorption Probabilities for Random Walk Radiosity
  Mateu Sbert
  Graphical Models, 62, 56-70 (2000).
• Scene visibility complexity in flatland
  J.Rigau, M.Feixas and M.Sbert
  RR IIiA-00-03-RR, Institut d'Informàtica i Aplicacions, Universitat de Girona, 2000.
• Visibility complexity of animation in flatland
  Feixas, M., Rigau, J. and Sbert, M
  Research Report IIiA-00-05-RR, Institut d'Informàtica i Aplicacions, Universitat de Girona (Girona, Spain), April 2000.
• Hemisphere Subdivision Radiosity
  V. Jolivet, D. Plemenos and M. Sbert, A Pyramidal
  Formal Definition and Improvements, WSCG'2000, Plzen, Czech Republic, 2000, pp. 228-235.
• Incoming First-shot for Non-Diffuse Global Illumination
  L. Szirmay-Kalos, M. Sbert, R. Martínez and R. Tobler
  Proceedings of SCCG'00, Budmerice, Slovakia, 2000.
• The Computation of Higher-Order Radiosity Approximations with a Stochastic Jacobi Iterative Method
  Ph. Bekaert, M. Sbert and Y.D. Willems
  Proceedings of SCCG'00, Budmerice, Slovakia, 2000.
• A New Variance Reduction Technique for Monte Carlo Form Factor Computation and Stochastic Jacobi Radiosity
  Ph. Bekaert, M. Sbert and Y.D. Willems
  Proceedings of the Eleventh Eurographics Workshop on Rendering, Brno, Czech Republic, 2000.
• Visibility Complexity of a Region in Flatland
  J. Rigau, M. Feixas and M. Sbert
  Eurographics'00 short paper, Interlaken, Switzerland, August 20-25, 2000.
• Parallel Multipath with Bundles of Lines
  R. Martínez, M. Sbert and L. Szirmay-Kalos
  Proceedings of 3rd EG Workshop on Parallel Graphics and Visualisation, Girona, Spain, September 2000.
• Adaptive Multipath with Bundles of Parallel Lines
  R. Martínez, L. Szirmay-Kalos and M. Sbert
  Visual2000, 3rd International Conference on Visual Computing, September 18-22, México D.F., 2000.
• Answering to 'What is the criterion?' questions using integral geometry tools
  A.Iones, S.Zukhov, A.Krupkin, M.Sbert
  Research Report IIiA 00-12-RR, Institut d'Informatica i Aplicacions, Universitat de Girona, 2000.
• Extended Ambient Term
  F. Castro, L. Neumann and M. Sbert
  Journal of Graphics Tools, 5(4), pp. 1-7, 2000.

1999

• Entropy of scene visibility
  M.Feixas, E.Acebo and M.Sbert
  WSCG'99, Plzen, February 1999.
• An information theory framework for the analysis of scene complexity
  M.Feixas, E.Acebo, Philippe Bekaert and M.Sbert
  Eurographics'99.
• Information Theory tools for scene discretization
  M.Feixas, E. Acebo, P. Bekaert and M. Sbert
  WR99, Granada,1999.
• Gathering for free in random walk radiosity
  M.Sbert, A.Brusi and P.Bekaert
  WR99, Granada, 1999.

1998

• Random walk radiosity with infinite path length
  M.Sbert
  Computer Graphics, Vol. 22 n. 2, 1998.
• Gathering multi-path: a new Monte Carlo algorithm for radiosity
  M.Sbert, R.Martínez, X.Pueyo
  WSCG'98, Plzen, February 1998
• Quasi-Monte Carlo and extended first shot improvements to the multi-path method for radiosity
  F. Castro, R.Martínez, M.Sbert
  Spring Conference on Computer Graphics'98, Budmerice (SLOVAKIA), 1998.
• Information Theory and Form Factors
  E.Acebo, M.Feixas, M.Sbert
  3IA'98, Limoges, April 1998.
• Random walk radiosity with generalized absorption probabilities
  M.Sbert
  CGI'98, Hannover, June 1998.
• Random walk radiosity with generalized transition probabilities
  M.Sbert,A.Brusi, R.Tobler, W.Purgathofer
  IIiA-98-07-RR, Institut d'Informàtica i Aplicacions, Universitat de Girona, January 1998.
• A new Form-Factor Analogy and its Application to Stochastic Global Illumination Algorithms
  Robert Tobler, Laszlo Neumann, Mateu Sbert, Werner Purgathofer
  Rendering Techniques'98, pp.35--44, Springer Wien-New-York, 1998.
• Hierarchical Monte Carlo Radiosity
  Philippe Bekaert, Laszlo Neumann, Attila Neumann, Mateu Sbert, Yves Willems
  Rendering Techniques'98, pp.259--268, Springer, Wien-New-York, 1998.
• Application of quasi-Monte Carlo sampling to the multi-path method for radiosity
  Francesc Castro, Mateu Sbert
  Proceedings of the Third International Conference on Monte Carlo and quasi Monte Carlo methods in scientific computing, Springer series Lecture Notes in Computational Science and Engineering, Springer Berlin, 1998.
• Scene continuous mutual information as least upper bound of discrete one
  M.Feixas and M.Sbert
  1998IIiA-98-27-RR, Institut d'Informàtica i Aplicacions, Universitat de Girona, December 1998.

1997

• The use of global random directions to compute Radiosity
  M.Sbert
  Global Monte Carlo techniques (PhD dissertation), 1997
• Some Integral Geometry tools to estimate the complexity of 3D scenes
  F.Cazals, M.Sbert
  Research Report IIiA 97-04-RR, Universitat de Girona, 1997. Also as INRIA Research Report RR-3204
• Error and complexity of random walk monte carlo radiosity
  M.Sbert
  IEEE Transactions on Visualization and Computer Graphics V.III pp:23-38 , 1997
• Variances of two infinite path length random walk estimators for radiosity
  M.Sbert
  WSCG'97, Czech Republic, 1997
• Comparing finite and biased infinite path length shooting random walk estimators for radiosity
  M.Sbert, A.Brusi
  SCCG'97, Budmerice, Slovakia, 1997
• Optimal source selection in shooting random walk monte carlo radiosity
  M.Sbert
  Computer Graphics Forum (Eurographics'97)

1996

• Global multipath monte carlo algorithms for radiosity
  M. Sbert, X. Pueyo, L. Neumann, and W. Purgathofer
  The Visual Computer , V. 12 , pp. 47 - 61 , 1996
• The Multi-Frame Lighting Method: A Monte Carlo Based Solution for Radiosity in Dynamic Environments
  Gonzalo Besuievsky , Mateu Sbert
  Rendering Techniques'96 pp. 185 - 194 , 1996

1995

• Global Monte-Carlo. A Progressive solution
  Mateu Sbert, Fredric Pérez, Xavier Pueyo
  Rendering Techniques'95 pp. 231 - 239, 1995.
• Integral Geometry Methods for Form Factor Computation
  M. Sbert, X. Pueyo
  V Encuentros de Geometria Computacional , Barcelona (España), 1995.

1994

• Paralelización del método global de Monte-Carlo para el cálculo de factores de forma
  A. Ferré M. Sbert, J.L. Marzo
  CEIG'94 , Zaragoza (España), 1994.

1993

• An Integral Geometry Method for Fast Form Factor Computation
  M.Sbert
  Eurographics'93

Mateu Sbert - Modified 8 March 2012