Xavier Pueyo (1954)           


     Centre de Recerca en Visualització, Realitat Virtual i Interacció Gràfica    ViRVIG

GGG (Geometry and Graphics Group)
Departament d'Informàtica i Matemàtica Aplicada  (IMA)
Universitat de Girona (UdG)          

1988-1993 Associate Professor
Departament de Llenguatges i Sistemes Informàtics
Universitat Politècnica de Catalunya

Enginyer Industrial
(ETSEIB  Universitat Politècnica de Catalunya)  1980

Docteur Ingénieur. Informatique
(Université de Rennes I)   1984
Supervisor:  Prof. Michel Lucas

Doctor Enginyer Industrial
(Universitat Politècnica de Catalunya)   1986
Supervisors: Prof . Michel Lucas and Prof. Pere Brunet

Fellowship of the EUROGRAPHICS Association   2004

Address: Departament d'Informàtica i Matemàtica Aplicada
Universitat de Girona
Campus de Montilivi
E - 17071  -  Girona
Phone: +34-972.41.84.17

Fax: +34-972.41.87.92
Email: xavier.pueyo[at]

Research interest

Computer graphics
Visibility algorithms
Realistic rendering
Lighting simulation
Dynamic environments


Undergraduate: Programming. Computer graphics. (Escola Politècnica Superior - UdG)
Master on Computing: Realistic rendering. Geometric models. (Master and PhD Programme UdG)

Selected publications

A Parametric-Space Based Scan-Line Algorithm for Rendering Bicubic Surfaces.  X.Pueyo and P.Brunet.
IEEE Computer Graphics & Applications, 7, 4, pp. 17-25. 1987

A New Scan-Line Algorithm for the Rendering of CSG Trees. X.Pueyo and J.C.Mendoza.
Proc. of EUROGRAPHICS'87, pp. 347-361. 1987

Body Animation. A Survey. D.Tost and X.Pueyo. The Visual Computer, 3, pp. 254-264. 1988

Diffuse Interreflections Techniques for Form-Factor Computation. A Survey. X.Pueyo.
The Visual Computer, 7, pp. 200-209. 1991

Theoretical Analisys of Global Illumination Models. Ch.Bouville, K.Bouatouch, P.Tellier and X.Pueyo.
Photorealism in Computer Graphics, pp.57-71, Springer Verlag (EG Seminars). 1992

Expoiting Coherence for Clipping and View Transformation in Radiosity Algorithms. J.Vilaplana and X.Pueyo.
Photorealism in Computer Graphics, pp.137-149, Springer Verlag (EG Seminars). 1992

On the Division of Environments by Virtual Walls for Radiosity Computation. B. Arnaldi, X. Pueyo and J. Vilaplana.
Advances on Rendering, P. Brunet & F.W. Jansen (Eds.), pp. 198-206, 1994

Multilevel Use of Coherence for Complex Radiosity Environment. J. Vilaplana and X. Pueyo.
The Journal of Visualization and Computer Animation, 5(3):129-141, 1994

The Stochastic Ray Method for Radiosity. L.Neumann, W.Purgathofer, R.F.Tobler, A.Neumann, P.Elias, M.Feda and X.Pueyo.
Rendering Techniques '95. Springer-Verlag. 1995

Global Monte Carlo. A Progresive Solution. M. Sbert, F. Pérez and X. Pueyo.
Rendering Techniques '95 , pp. 231-239, Springer Wien, 1995

An Object-Oriented Approach for Teaching Visibility Computation Algorithms. X. Pueyo, F. Pérez, A. Sellarès and J.Suy.
Computers & Graphics, 20(4):605-610, July/August 1996

Rendering Techniques '96. X. Pueyo & P. Schröeder (Eds.).
Springer-Verlag / Wien. ISBN 3-211-82883-4, 1996

Progressive Radiosity Solutions for SIMD Architectures. G. García and X. Pueyo.
Proc. of 1st EG Workshop on Parallel Graphics and Visualisation, Ed. A.Chalmers & F.W.Jansen; pp. 247-260, 1996

Global Multipath Monte Carlo Algorithms for Radiosity. M. Sbert, X. Pueyo, L. Neumann and W. Purgathofer.
The Visual Computer, pp. 47-61, 1996

Visibility Mask for Solving Complex Radiosity Computations on Multiprocessors. B. Arnaldi, T. Priol, L. Renambot and X. Pueyo.
Parallel Computing, 23(7):887-897, 1997

A Formalization and Classification of Global Illumination Methods. C. Ureña, J.C. Torres and X. Pueyo.
Computers & Graphics, 21(2):225-236, 1997

Towards Efficient Parallel Radiosity for DSM-Based Parallel Computers Using Virtual Interfaces. L. Renambot, B. Arnaldi,
T. Priol and X. Pueyo.
Third Parallel Rendering Symposium, IEEE-ACM/SIGGRAPH, 1997

Radiosity for Dynamic Environments. X. Pueyo, D.Tost, I. Martín and B. García.
The Journal of Visualization and Computer Animation, 8(4):221-231, 1997

Global Illumination Techniques for the Simulation of Participating Media. F. Pérez, X. Pueyo and F.X. Sillion.
Proc. of the Eigth Eurographics Workshop on Rendering, Saint Etienne, France, June 16-18, 1997, pp. 309-320

An Image-Space Refinement Criterion for Linear Hierarchical Radiosit. I. Martín, X. Pueyo and D. Tost.
Proceedings of Graphics Interface´97 Kelowna, British Columbia (Canada), pp. 26-36, 1997

A Hardware Based Method for Hierarchical Radiosity. I. Martín, X. Pueyo and D. Tost.
Computers Graphics Forum (Eurographics '98 Proceedings), 17(3):159-164, 1998

The SIR Rendering Architecture. I. Martín, F. Pérez and X. Pueyo
Computers & Graphics, 22(5):601-609, October 1998

A Dynamic Light Sources Algorithm for Radiosity Environments. G. Besuievsky and X. Pueyo
IX EGCAS (Eurographic Workshop on Computer Animation and Simulation), August 1998

Acceleration of Monte Carlo Path Tracing for General Environments. F. Pérez, I. Martín, X. Pueyo and F.X. Sillion.
Proceedings of Pacific Graphics 2000, Hong Kong, China, Oct. 3-5, 2000

Special Issue on Parallel  and Distributed Computer Graphics M.Fairen and X.Pueyo (Eds.).
Parallel and Distributed Computing Practices , 3 ( 3), September 2000. Nova Science Publishers (USA)

Animating Radiosity Environments Through the Multi-Frame Lighting Method. G. Besuievsky and X. Pueyo.
Journal of Visualization and Computer Animation 12(2), pp. 93-106, May 2001

A Monte Carlo Method for Accelerating the Computation of Animated Radiosity Sequences. G. Besuievsky and X. Pueyo.
Computer Graphics International '01, Hong Kong, China, July 2001

Ibero-American Co-operation in Computer Graphics. M.P. do Santos, X.Pueyo, Luiz Velho (Eds.).
Computers and Graphics 27 (1), February 2003.

Frame-to-Frame Coherent Animation with Two-Pass Radiosity. I. Martín, X. Pueyo and D. Tost.
IEEE Transactions on Visualization and Computer Graphics 9(1), pp. 70-84, January-March 2003

A Survey on Invers Rendering Problems. G.Patow and  X. Pueyo.
Computer Graphics Forum  22(4), pp. 663-687, December 2003.

A Physically-Based Model for Rendering Realistic Scratches. C.Bosch, X.Pueyo, S.Mérillou and D.Ghazanfarpour.
Computer Graphics Forum 23 (3), pp. 361-370, September 2004

Reflector Design from Radiance Distributions. G.Patow, X.Pueyo, A.Vinacua.
International Journal on Shape Modeling 10 (2), pp. 211-235,  December 2004

A Survey on Participating Media Rendering Techniques. E.Cerezo, F.Pérez, X.Pueyo, F.J.Seron and F.X.Sillion.
The Visual Computer 21, pp. 303-328, 2005.

A Survey of Inverse Surface Design From Light Transport Behavior Specification.
G. Patow, X. Pueyo
Computer Graphics Forum, 24  (4), pp. 773-789, December 2005

Interactive Rendering of Globally Illuminated Scenes Including Anisotropic and Inhomogeneous Participating Media.
J.R. Jiménez, X.Pueyo

The Visual Computer 21, pp. 449-462, 2005.

Parallelization of Inverse Design of Luminaire Reflectors. J.A.Magallón, G.Patow, F.J.Serón and X.Pueyo.
Proceedings of Eurographics Symposium on parallel Graphics and Visualization; pp.99-107; Braga (Portugal); May 2006..

User-Guided Inverse Reflector Design. G.Patow, X.Pueyo, A.Vinacua.
Computers & Graphics 31 (3), pp 501-515, 2007.

           A Resolution Independent Approach for the Accurate Rendering of Grooved Surfaces. C.Bosch, X.Pueyo, S.Mérillou
           and D.Ghazanfarpour.
             Computer Graphics Forum 27 (7), pp. 1937-1944, 2008.

A Model for Real-Time On-Surface Flows.  J.F.El Hajjar, V.Jolivet, D.Ghazanfarpour, X.Pueyo.
The Visual Computer 25 (2), pp. 87-100, 2009.


Design and Implementation of a Lighting Simulation System. 1992-1995
CICYT TIC92-1031-C02-01

Precise Lighting Simulation System. Global techniques. 1995-1998
CICYT TIC95-0614-C03

Advanced Distributed CAD System. Realistic Rendering. 1995-1998
CICYT TIC95-0630-C05

Realistic Simulation of Light for general Environments. SIMULGEN. 1997-2002
ESPRIT Open LTR num 25772 and 35772

Virtual Reality for Cooperative Design in very Complex Engineering Systems
CICYT TIC98-0586-C03-03

Integrated CAD for lighting applications and illumination. 1998-2002
CICYT TIC98-0973-C03-02

Flexible Inspection Cell. CIF. 1998-2002

Immersive Interaction Systems for Virtual Environments. SIeRV. 2002-2005
CICYT TIC2001-2226-C02-02

Ecostreetlight. 2008-2010

CALBaD. CAD basado enel modelado y la simulación del transporte de la luz. 2007-2010

Low-Cost, efficient and accurate acquisition of human skin appearance for relighting and rendering. 2010-2011
AGAUR 2009-CTP-00021

HDRi: The digital capture, storage, transmition and display of real-world lighting. 2010-2015
ICT Action IC1005

Supervised PhD dissertations

The Use of Global Random Directions to Compute Radiosity. Global Monte Carlo Techniques. Mateu Sbert
Universitat Politècnica de Catalunya, 1997.

Efficient Monte-Carlo Methods for Global Illumination. Carlos Ureña
Universidad de Granada, 1998.
Co-supervisor: J.C. Torres

Temporal Coherence in Animation of Global Illumination Environments. Ignacio Martín
Universitat Politècnica de Catalunya, 2000.
Co-supervisor: Dani Tost

Structural and Algorithmic Aspects of Geometric Projections. Joan Antoni Sellarès
Universitat Politècnica de Catalunya, 2000.
Co-supervisor: Ferran Hurtado

A Monte Carlo Approach for Animated Radiosity Environments. Gonzalo Besuievsky
Universitat Politècnica de Catalunya, 2001.

Global Illumination Techniques for the Computation of High Quality Images in General Environments.  Frederic Pérez-Cazorla 
Universitat Politècnica de Catalunya, 2003.
Co-supervisor: Ignacio Martín

Reflector Shape Design from Radiance Distributions. CAD for Luminaries.  Gustavo A. Patow 
Universitat Politècnica de Catalunya, 2005.
Co-supervisor: Àlvar Vinacua

Realistic Image Synthesis of Surface Scratches and Grooves.  Carles Bosch 
Universitat Politècnica de Catalunya and Université de Limoges (F), 2007.

Simulation et rendu d'écoulements liquides. Jean-François El Hajjar
Université de Limiges (F) and Universitat de Girona, 2008.
Co-supervisor: Djamchid Ghazanfarpour and Sréphane Mérillou.

Interactive frame-rates for globally illuminated scenes in presence of participating media. Juan Roberto Jiménez.

Universitat Politècnica de Catalunya. 2010.
Co-supervisor: Karol Mikovsky.


Last modified/Darrera modificació/Ultima modificación: 10/01/2012