Legolizer: A Real-Time System for Modeling and Rendering LEGO Representations of Boundary Models 
Luís F. M. S. Silva, Vitor F. Pamplona, João L.D. Comba
Proceedings of XXII SIBGRAPI 2009

Efficient and High Quality Contouring of Isosurfaces on Uniform Grids
Leonardo Schmitz, C.A.Dietrich, J.L.D. Comba
Proceedings of XXII SIBGRAPI 2009

Salient Clustering for View-dependent Multiresolution Rendering
R. Barni, , A. Varshney, J.L.D. Comba
Proceedings of XXII SIBGRAPI 2009

Topological Extraction and Tracking of Defects in Crystal Structures 
S. Grottel, C. Dietrich, J.L.D.Comba, T. Ertl
In Topological Methods in Data Analysis and Visualization 2009 (TopoInVis 2009), Snowbird, USA

Comparing Techniques for Tetrahedral Mesh Generation. 
M. Lizieer, J. F. Shepherd, L. G. Nonato,  J.L.D. Comba, C. T. Silva
In Inaugural International Conference of the Engineering Mechanics Institute, 2008, Minneappolis. [bibtex]

Multi-Fragment Effects on the GPU using the k-Buffer
L. Bavoil, S.P. Callahan, A. Lefohn, J.L.D. Comba, C.T. Silva
ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, 2007 (to appear) 

A Rule-Based Optimizer for Spatial Join Algorithms
Fornari, M. Iochpe, C & J. Comba 
Geo INFO 2006 - VIII Brazilian Symposium on Geonfinformatics

Interactive Volume Rendering of Unstructured Grids with Time-Varying Scalar Fields
Bernardon, F.; Callahan, S.; Comba, J. & Silva, C. 
Eurographics Symposium on Parallel Graphics and Visualization, 2006, 51-58

Erasing, Digging and Clipping in Volumetric Datasets with One or Two Hands
Huff, R.; Dietrich, C.A.; Nedel, L.P.; Freitas, C.M.D.S. & Olabarriaga, S.D.
VRCIA 2006 (ACM International Conference on Virtual Reality Continuum and Its Applications), 2006, 271-278

Interactive Rendering of Large Unstructured Grids Using Dynamic Level-of-Detail
Callahan, S.; Comba, J.; Shirley, P. & Silva, C.
IEEE Visualization '05, 2005, 199-206

Boolean Operations on Surfel-Bounded Objects using Constrained BSP-Trees
Farias, M.A.C.; Scheidegger, C.; Comba, J.L.D. & Velho, L.
Proceedings of XVIII SIBGRAPI '05, 2005, 325-332

Two-Level Interaction Approach for Transfer Function Specification
Prauchner, J.; Freitas, C. & Comba, J.
Proceedings of XVIII SIBGRAPI '05, 2005, 265-272

Broad-Phase Colision Detection Using Semi-Adjusting BSP-Trees
Luque, R.; Comba, J.L.D. & Freitas, C.M.D.
Proceedings of ACM Siggraph Interactive 3D Graphics and Games - I3D 2005, 2005, 179-186

Real-Time Relief Mapping on Arbitrary Polygonal Surfaces
Policarpo, F.; Neto, M.O. & Comba, J.L.D.
Proceedings of ACM Siggraph Interactive 3D Graphics and Games - I3D 2005, 2005, 155-162

Multiple-Depth Shadow Maps
Pagot, C.A.; Comba, J.L.D. & Neto, M.M.O.
Proceedings of XVII SIBGRAPI - II SIACG 2004. Pages 308-315. IEEE Press ISBN 0-7695-2227-0, Curitiba, Brazil, October 2004

Navier-Stokes on Programmable Graphics Hardware Using SMAC
Scheidegger, C.E.; Comba, J.L.D. & da Cunha, R.D.
Proceedings of XVII SIBGRAPI - II SIACG 2004. Pages 300-307. IEEE Press ISBN 0-7695-2227-0, Curitiba, Brazil, October 2004

Real-time interactive visualization and manipulation of the volumetric data using GPU-based methods
Dietrich, C.A.; Nedel, L.P.; Olabarriaga, S.D.; Comba, J.L.D.; Zanchet, D.; da Silva, A.M.M. & Montero, E.
Proceedings of SPIE Medical Imaging 2004. Pages 181-192. ISBN 0-8194-5280-7. San Diego, USA, February 2004.

Real-Time Volume Rendering of Temporal Data Using A Fragment-Shader Compression Approach
Binotto, A.P.D.; Comba, J.L.D. & Freitas, C.M.D.
Proceedings of IEEE Parallel and Large Data Visualization and Graphics 2003. Pages 69-75. IEEE Press ISBN 0-7803-8122-X. Seattle, USA, October 2003.

Smart Visible Sets for Networked Virtual Environments
Moreira, F.O.; Comba, J.L.D. & Freitas, C.M.D.S.
Proceedings of XV SIBGRAPI 2002. Pages 373-380. IEEE Press ISBN 0-7695-1846-X, Fortaleza, Brazil, October 2002.

A Segment-Tree Based Kinetic BSP
de Berg, M.; Comba, J.L.D. & Guibas, L.J.
Proceedings of XVII ACM Symposium on Computational Geometry (SOCG 2001). Pages 134-140. ACM Press ISBN 1-58113-357-X, Medford, USA, June 2001.

Kinetic Data Structures: Animating Proofs Through Time
Basch, J.; Comba, J.; Guibas, L.J.; Hershberger, J.; Silverstein, C. & Zhang, L.
Proceedings of XV ACM Symposium On Computational Geometry (SOCG 1999). ACM Press ISBN 1-58113-068-6. Pages 427-428, Miami, USA,  June 1999.

Affine Arithmetic
Andrade, M.V.A.; Comba, J.L.D. & Stolfi, J.
Proceedings of Interval 94. Pages 36-40. St. Petersburg, Russia, March 1994.

Affine Arithmetic and its applications to Computer Graphics
Comba, J.L.D. & Stolfi, J.
Proceedings of VI SIBGRAPI. Pages 9-18. Recife, Brazil, October 1993.

An Adaptive Triangulation Refinement Scheme and Construction
Persiano, R.C.M.; Comba, J.L.D. & Barbalho, V.
Proceedings of VI SIBGRAPI. Pages 259-266. Recife, Brazil, October 1993.

Ray Tracing of CSG Solids using a Multi-Resolution Bresenham
Comba, J.L.D. & Persiano, R.C.M.
Proceedings of Compugraphics 91, Volume 2, Pages 210-219. Sesimbra,  Portugal.  September 1991.