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CONFERENCE PUBLICATIONS





Quasi-Isometric Mesh Parameterization using Heat-based Geodesics and Poisson Surface Fills.
Daniel Mejia-Parra, Jairo R. Sanchez, Jorge Posada, Oscar Ruiz-Salguero, Carlos Cadavid. CEIG – Spanish Computer Graphics Conference (2019). San Sebastian, Spain.  26 - 29 June 2019. A. Jarabo and D. Casas (Editors). Presentation and Abstract.

abstract

Sensitivity Analysis in Shape Optimization using Voxel Density Penalization.
D. Montoya-Zapata, D. A. Acosta, A. Moreno, J. Posada, O. Ruiz-Salguero. CEIG – Spanish Computer Graphics Conference (2019). San Sebastian, Spain.  26 - 29 June 2019. A. Jarabo and D. Casas (Editors). Publisher:   The Eurographics Association
ISBN :         978-3-03868-093-2
DOI :           10.2312/ceig.20191201
URI:             https://diglib.eg.org/handle/10.2312/ceig20191201
Proceedings: https://diglib.eg.org/handle/10.2312/2632793

draft_version

Perfect Spatial Hashing for Point-cloud-to-mesh Registration.
Daniel Mejia-Parra, Juan Lalinde-Pulido, Jairo R. Sanchez, Oscar Ruiz-Salguero, Jorge Posada. CEIG – Spanish Computer Graphics Conference (2019). San Sebastian, Spain.  26 - 29 June 2019. A. Jarabo and D. Casas (Editors). Publisher:    The Eurographics Association
ISBN :          978-3-03868-093-2
DOI :            10.2312/ceig.20191202
URI:              https://diglib.eg.org/handle/10.2312/ceig20191202
Proceedings: https://diglib.eg.org/handle/10.2312/2632793

draft_version

User-reconfigurable CAD Feature Recognition in 1- and 2-topologies with Reduction of Search Space via Geometry Filters.
J. C. Pareja, O. M. Betancur, Oscar E. Ruiz and C. Cadavid. CEIG – Spanish Computer Graphics Conference (2019). San Sebastian, Spain.  26 - 29 June 2019. A. Jarabo and D. Casas (Editors). Publisher:    The Eurographics Association
ISBN :          978-3-03868-093-2
DOI :            10.2312/ceig.20191205
URI:              https://diglib.eg.org/handle/10.2312/ceig20191205
Proceedings: https://diglib.eg.org/handle/10.2312/2632793

draft_version

Modelling and simulation of the particle focusing behavior in microfluidic channels – effects of curvature and aspect ratio.
T. Hafemann, J. Rodriguez, F. Arango, O. Ruiz-Salguero, J. Froehlich. 10th International Conference on Multiphase Flow ICMF 2019, Rio de Janeiro, Brazil, May 19 – 24, 2019.

draft version

Wing Profile Evolution driven by Computational Fluid Dynamics.
Cristian C. Rendon, Jose L. Hernandez, Oscar Ruiz Salguero, Carlos A. Alvarez, Mauricio Toro. Proceedings of 4th International Conference Advanced Mechatronics, Design and Manufacturing - AMDM 2018. ISBN: 978-958-8730-94-3. Manizales, Colombia, Noviembre 7 al 9 de 2018

draft version

Direct Scalar Field - to - Truss Representation and Stress Simulation of Open Pore Domains.
Juan M. Muñoz-Betancur, Oscar Ruiz-Salguero, Diego Montoya, Camilo Cortes and Carlos Cadavid. Conference STAG 2018 Smart Tools and Applications in Graphics 2018 - Eurographics Italian Chapter Annual Event. Universita degli Studi di Brescia, Brescia, Italy, October 18-19, 2018. Publisher Eurographics Association, ISSN 2617-4855, ISBN 978-3-03868-075-8, DOI 10.2312/stag.20181295, Proceedings: https://diglib.eg.org/handle/10.2312/2632667

publication info

Pixel - based Wake Interaction and Power Estimation for a Wind Farm with Irregular Boundary.
Gyde Ohlsen, Oscar Ruiz - Salguero, Thomas Full, Diego Acosta. Conference STAG 2018 Smart Tools and Applications in Graphics 2018 - Eurographics Italian Chapter Annual Event. Universita degli Studi di Brescia, Brescia, Italy, October 18-19, 2018. Publisher Eurographics Association, ISSN 2617-4855, ISBN 978-3-03868-075-8, DOI 10.2312/stag.20181305, Proceedings: https://diglib.eg.org/handle/10.2312/2632667

publication info

FEA Structural Optimization Based on Metagraphs. (also appears as Chapter in Book).
Diego Montoya-Zapata, Diego A. Acosta, Oscar Ruiz-Salguero, David Sanchez-Londono.The 13th International Conference on Soft Computing Models in Industrial and Environmental Applications SOCO-2018-CISIS-2018-ICEUTE-2018 2018.  San Sebastian, Spain, June 6-8, 2018. DOI:  https://doi.org/10.1007/978-3-319-94120-2_20  , url: https://link.springer.com/chapter/10.1007/978-3-319-94120-2_20  ,    Book Title: International Joint Conference SOCO’18-CISIS’18-ICEUTE’18, Print ISBN 978-3-319-94119-6 ,  Online ISBN 978-3-319-94120-2.   pp 209-220. Book Editors: M. Graña, J. M. Lopez-Guede, O. Etxaniz,  A. Herrero, J. A.  Saez, H. Quintian, E. Corchado.  Book Series: Advances in Intelligent Systems and Computing (AISC, volume 771). Originally published with the title : Advances in Intelligent and Soft Computing. Series Editor:  Janusz Kacprzyk. ISSN: 2194-5357 .  Springer International Publishing AG, part of Springer Nature 2019.  Conference articles published as Chapter in Book.

publication info

Non-manifold modelling of lattice materials using kinematically constrained FEA.
Diego Montoya-Zapata, Oscar Ruiz-Salguero, Juan Lalinde-Pulido, Juan Pareja-Corcho, Jorge Posada. Proceedings of TMCE 2018, 7-11 May, 2018, Las Palmas de Gran Canaria, Spain Edited by: I. Horvath, J.P. Suarez Rivero and P.M. Hernndez Castellano. Organizing Committee of TMCE 2018, ISBN 978-94-6186-910-4.

publication info

Mesh segmentation driven by bijective parameterization.
Daniel Mejia, Oscar Ruiz-Salguero, Carlos Cadavid, Jairo R. Sánchez, Jorge Posada, Diego A. Acosta. Proceedings of TMCE 2018, 7-11 May, 2018, Las Palmas de Gran Canaria, Spain Edited by: I. Horvath, J.P. Suarez Rivero and P.M. Hernndez Castellano. Organizing Committee of TMCE 2018, ISBN 978-94-6186-910-4.

publication info

Mesh segmentation and texture mapping for dimensional inspection in Web3D.
Daniel Mejia, Jairo R. Sanchez, Alvaro Segura, Oscar Ruiz - Salguero, Jorge Posada, Carlos Cadavid. Web3D-2017 Proceedings of the 22nd International Conference on 3D Web Technology. Brisbane, Queensland, Australia — June 05-07, 2017. ACM New York, NY, USA copyright 2017. Table of contents ISBN: 978-1-4503-4955-0.
doi:  10.1145/3055624.3075954.

publication info

Upper Limb Robot Assisted Rehabilitation Platform Combining Virtual Reality, Posture Estimation and Kinematic Indices.
D. Scorza, A. de Los Reyes, C. Cortes, A. Ardanza, A. Bertelsen, O. E. Ruiz, A. Gil, J. Florez. Proceedings of the 3rd International Conference on NeuroRehabilitation (ICNR2016), October 18-21, 2016, Segovia, Spain.  Book Title: Converging Clinical and Engineering Research on Neurorehabilitation II. Book Subtitle:  Book Part: XXXIV. pp 1187-1191. Copyright 2017. doi: 10.1007/978-3-319-46669-9_193 ,  url:    https://link.springer.com/chapter/10.1007/978-3-319-46669-9_19 ,  ISBN 978-3-319-46668-2 (print), 978-3-319-46669-9 (online). Series Title: Biosystems & Biorobotics. Series Volume: 15. Series ISSN: 2195-3562. Publisher: Springer International Publishing. Copyright Holder :Springer International Publishing AG. Conference published Book Series instead of Proceedings.

publication info

Hessian Eigenfunctions for Triangular Mesh Parameterization.
Daniel Mejia and Oscar Ruiz-Salguero and Carlos A. Cadavid.  In Proceedings of the 11th Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications (VISIGRAPP 2016),  Nadia Magnenat-Thalmann and Paul Richard and Lars Linsen and Alexandru Telea and Sebastiano Battiato and Francisco Imai and Jose Braz.   SCITEPRESS.    ISBN 978-989-758-175-5, pp 73-80.  February 27-29, Rome, Italy.

incomplete version

Comparison of FEM Software for 2D Heat Transfer Analysis in Sheet Metal Laser Cutting.
Mejia, Daniel and Moreno, Aitor and Barandiaran, Inigo and Ruiz, Oscar.  In Proceedings of the Virtual Concept International Workshop (VC-IW 2015) on Industrie 4.0,  ISBN 978-2-9548927-1-9, November 26-27, 2015,  San Sebastian, Spain.

incomplete version

Spectral-based Vertex Re-labeling for Mesh Segmentation.
Mejia, Daniel and Ruiz, Oscar E. and Cadavid, Carlos.  In Proceedings of the Virtual Concept International Workshop (VC-IW 2015) on Industrie 4.0,  ISBN 978-2-9548927-1-9, November 26-27, 2015,  San Sebastian, Spain.

incomplete version.

Geometry Simplification for Modeling of Porous Materials.
Ruiz, Oscar E. and Cadavid, Esteban and Osorno, Maria C. and Uribe, David and Steeb, Holger. In Proceedings of the Virtual Concept International Workshop (VC-IW 2015) on Industrie 4.0,  ISBN 978-2-9548927-1-9, November 26-27, 2015,  San Sebastian, Spain.

incomplete version.

Robust CT to US 3D-3D Registration by using Principal Component Analysis and Kalman Filtering.
Rebeca Echeverria, Camilo Cortes, Alvaro Bertelsen, Ivan Macia, Oscar E. Ruiz, and Julian Florez. In Proceedings of the 3rd MICCAI 2015 Workshop and Challenge on Computational Methods and Clinical Applications for Spine Imaging - MICCAI-CSI2015,  October 5-9, 2015,  Muenchen, Germany.

incomplete version

Ultrasound Image Dataset for Image Analysis Algorithms Evaluation.
Cortes, Camilo and Kabongo, Luis and Macia, Ivan and Ruiz, Oscar E. and Florez, Julian. Conference Innovation in Medicine and Healthcare INMED-2015,  September 11-12, Chapter in Book of Springer Series 'Smart Innovation, Systems and Technologies', volume 45, online: August 2015, doi: {10.1007/978-3-319-23024-5_41}, pp 447-457, ISBN 978-3-319-23023-8, 2015,  Kyoto, Japan. Note: Conference published Book Series instead of Proceedings.

incomplete version

Numerical estimation of carbonate properties using a digital rock physics workflow. (Extended Abstract)
M. C. Osorno, D. Uribe,E. H. Saenger,  C. Madonna, H. Steeb, O. Ruiz. In Proceedings of 76th EAGE (European Association of Geoscientists and Engineers) ,  doi: {10.3997/2214-4609.20140655}, June 16-19 2014,  publ date 16 June 2014, Amsterdam, Netherlands. Organization: EAGE.

presentation

Geometric and numerical modeling for porous media wave propagation.
D. Uribe, M. C. Osorno, H. Steeb, E. H. Saenger, O. Ruiz. In Proceedings  of Tools and Methods of Competitive Engineering TMCE,  pp.  685-694, ISBN  978-94-6186-176-4,  May 19-23 2014,  Budapest, Hungary.

incomplete version.

Determining the limits of geometrical tortuosity in porous media from pore-scale flow simulations.
D. Uribe (Ruhr-Universitaet Bochum), M. Osorno (Universidad EAFIT), R. Sivanesapillai (Ruhr-Universitaet Bochum), H. Steeb (Ruhr-Universitaet Bochum), O. Ruiz (Universidad EAFIT). 85th Annual Meeting of Gesellschaft fuer Angewandte Mathematik und Mechanik e.V. GAMM, March 10-14, 2014. Erlangen, Germany (selected articles appear in Journal  PAMM url: http://onlinelibrary.wiley.com/doi/10.1002/pamm.201410214/abstract ).

incomplete version.

Graphs of Optimally Fit Features in Assessment of Geometric Tolerances (Extended Abstract)
Oscar E. Ruiz, John Congote, Diego A. Acosta. In Proceedings of the Virtual Concept International workshop (VC-IW 2014) in Innovation in Product Design and Manufacture. ISBN: 978-2-9548927-0-2. March 26-27, 2014. Medellin, Colombia.

incomplete version.

Manifold Learning with Orthogonal Geodesic Grids. (Extended Abstract)
O. E. Ruiz,  C. Cadavid, R. Ebratt. In Proceedings of the Virtual Concept International workshop (VC-IW 2014) in Innovation in Product Design and Manufacture. ISBN: 978-2-9548927-0-2. March 26-27, 2014. Medellin, Colombia.

incomplete version.

ReWeb3D - Enabling Desktop 3D Applications to Run in the Web.
T. Glander, A. Moreno, M. Aristizabal, J. Congote, J. Posada, A. Garcia-Alonso, O. Ruiz. Proceedings 18th International Conference on 3D Web Technology,  pp.  147-155,  publisher ACM, ISBN 978-1-4503-2133-4, doi: 10.1145/2466533.2466535, url:  http://doi.acm.org/10.1145/2466533.2466535, 20-22 June 2013 San Sebastian, Spain.

incomplete version.

A New Evaluation Framework and Image Dataset for Key Point Extraction and Feature Descriptor Matching.
Inigo Barandiaran and Camilo Cortes and Marcos Nieto and Manuel Grana and Oscar E. Ruiz. Proceedings International Conference on Computer Graphics Theory and Applications GRAPP 2013. Feb 21-24, 2013, Barcelona, Spain.

incomplete version.

Parametric Curve Reconstruction from Point Clouds using Minimization Techniques.
O. Ruiz and C. Cortes and  M. Aristizabal and  D. Acosta and C. Vanegas. Proceedings International Conference on Computer Graphics Theory and Applications GRAPP 2013. Feb 21-24, 2013, Barcelona, Spain.

incomplete version.

Robotic Research Platform For Image-Guided Surgery Assistance.
Camilo A. Cortes and Inigo Barandiaran and Oscar E. Ruiz and Alessandro De Mauro. Proceedings of the IASTED International Conference Biomedical Engineering BioMed-2013. 13-15 Feb 2013. Innsbruck, Austria. ISBN 978-0-88986-942-4. Publisher ACTA Press.

incomplete version.

Symetrical Observability of Kinematic Parameters in Symmetrical Parallel Mechanisms.
Durango, S. and Restrepo, D. and Ruiz, O. and Restrepo-Giraldo, J. and Achiche, S.. 10th World Congress on Computational Mechanics WCCM-2012. 08-13 July 2012. Sao Paulo, Brazil. ISBN 978-85-86686-70-2. Eds. Pimenta, P.M. and Campello, E.M.B. pp 16714. Publisher ABMEC.

incomplete version.

Geometric Analysis of the III Class Assur Group with R pairs.
Ruiz, O. and Aristizabal, M. and Durango, S. and Cadavid, C. and Velez, J.  10th World Congress on Computational Mechanics WCCM-2012. 08-13 July 2012. Sao Paulo, Brazil. ISBN 978-85-86686-69-2 (Book of Abstracts), Eds. Pimenta, P.M. and Campello, E.M.B. pp 219-219. Publisher ABMEC.


Web based hybrid volumetric visualisation of urban GIS data. Integration of 4D Temperature and Wind Fields with LoD-2 CityGML models. Congote, J., Moreno, A., Kabongo, L., Perez, J. L., San-Jose, R.,  Ruiz, O.  03001 (2012). published on-line: 24 October 2012. doi: 10.1051/3u3d/201203001, doi http://dx.doi.org/10.1051/3u3d/201203001 ,  Event 3u3D2012 Usage, Usability, and Utility of 3D City Models – European COST Action TU0801 2012. Publisher EDP Sciences.

incomplete version.

Medx3dom: Medx3d for x3dom.
Congote, J. (2012, August).  17th International Conference on 3D Web Technology (pp. 179-179). ACM. ISBN 978-1-4503-1432-9. doi: 10.1145/2338714.2338746.

incomplete version.

Advanced HCI and 3D Web over Low Performance Devices.
David Oyarzun and Arantza del Pozo and John Edgar Congote and Igor Garcia and Iñaki Sainz and Igor Leturia and Xabier Arregi and O. Ruiz.  Proceedings of the 1st International Workshop on Declarative 3D for the Web Architecture (Dec3D2012 at WWW2012) Lyon, France, 2012.

incomplete version.

Sensitivity Analysis of Optimized Curve Fitting to Uniform-Noise Point Samples.
Oscar E. Ruiz and C. Cortes and Diego A. Acosta and M. Aristizabal. TMCE Symposium Tools and Methods of Competitive Engineering 2012 , Karlsruhe, Germany. pp. 671-684. May 2012.

incomplete version.

Volume Visual Attention Maps (VVAM) in ray-casting rendering.
Beristain, Andoni, John Congote, and Oscar Ruiz. Conference Medicine Meets Virtual Reality (MMVR19). February 09-11 2012. Newport Beach, USA. Publisher IOS Press. ISSN: 09269630 ISBN: 978-161499021-5. Also in Journal  Studies in Health Technology and Informatics. Vol 173, pp 53-57, 2012. doi: 10.3233/978-1-61499-022-2-53 . PubMed ID: 22356956 [PubMed - indexed for MEDLINE]. Scopus record:
http://www.scopus.com/inward/record.url?eid=2-s2.0-84860645207&partnerID=40&md5=8099a2802e8799f9a6d8d079cf2f09c1

incomplete version.

Hardware-Accelerated Web Visualization of Vector Fields. Case Study in Oceanic Currents.
(poster) ARISTIZABAL, Mauricio; CONGOTE, Jhon; SEGURA, alvaro; MORENO, Aitor; ARRIEGUI, Harbil; RUIZ, Oscar. VISIGRAPP 2012 7th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Publisher=SciTePress, Thomson Reuters, IET=Inspec, DBPL=uni-trier.de, EI=EngineeringInformation, ISBN 978-989-8565-02-0,  Rome, Italy. Feb 24-26 2012.

incomplete version.

Statistical Tuning of Adaptive-Weight Depth Map Algorithm.
HOYOS, Alejandro; CONGOTE, John; BARANDIARAN, Iñigo; ACOSTA, Diego; RUIZ, Oscar.  CAIP 2011. 14th International Conference on Computer Analysis of Images and Patterns. Seville (Spain) 29-31 August 2011. Eds: Real, Pedro; Diaz-Pernil, Daniel; Molina-Abril, Helena; Berciano, Ainhoa; Kropatsch, Walter. pp  563-572. Publisher: Springer Verlag. Series Lecture Notes in Computer Science, Vol 6855. ISBN 978-3-642-23677-8. 2011.

incomplete version.

Interactive visualization of volumetric data with WebGL in real-time.
CONGOTE, Jhon; KABONGO, Luis; MORENO, Aitor; SEGURA, Alvaro; POSADA, Jorge; RUIZ, Oscar. Sixteenth Annual International Conference on 3D Web Technology (2011) , Paris, France. June 20-22, 2011, pages 137-146, ISBN 9781450307741.

incomplete version.

Force-Displacement Model of Compliant Mechanisms using Assur Sub-Chains.
DURANGO, Sebastian; CORREA, Jorge; RUIZ, Oscar; ARISTIZABAL,Mauricio; RESTREPO-GIRALDO, Jhon; ACHICHE, S. 13th World Congress in Mechanism and Machine Science, Guanajuato, Mexico, 19-25 June, 2011 de la “International Federation for the Promotion of Mechanism and Machine Science” (IFToMM).

incomplete version.

Face Reconstruction with Structured Light.
CONGOTE, Jhon; BARANDIARAN, Inigo; BARANDIARAN, Javier; NIETO, Marcos; RUIZ, Oscar. VISIGRAPP 2011 6th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Thomson Reuters, Publisher=SciTePress, IET=Inspec, DBPL=uni-trier.de, ISBN 978-989-8425-47-8,  Vilamoura, Portugal 5-7, March 2011.

incomplete version.

Sistema integrado de generacion de mapas de profundidad para videoconferencia 3D en tiempo real
John Congote, Inigo Barandiaran, Javier Barandiaran,Tomas Montserrat, Julien Quelen, Christian Ferran,  Pere Mindan, Olga Mur,Genis Aguilar, Francesc Tarres, Oscar Ruiz.
Proceedings of XXV Simposium Nacional de la Union Cientifica Internacional de Radio URSI 2010, September 


Real-time depth map generation architecture for 3D videoconferencing.
John Congote, Inigo Barandiaran, Javier Barandiaran,  Tomas Montserrat, Julien Quelen, Christian Feran,  Pere Mindan, Olga Mur, Francesc Tarres, Oscar Ruiz.
3DTV-CON2010 Conference on Capture, Transmission and Display of 3D Video. June 7-9 2010,  pp. 1-4. Tampere, Finland. ISBN: 978-1-4244-6377-0 (Books), ISBN: 978-1-4244-6378-7 (CD)

Marching Cubes in an Unsigned Distance Field for Surface Reconstruction from Unorganized Point Sets.
John Congote, Aitor Moreno, Inigo Barandiaran, Javier Barandiaran,  Jorge Posada, Oscar Ruiz.
GRAPP-2010. International Conference on Computer Graphics Theory and Applications. Angers, France, May 17-21, 2010. ISBN: 978-989-674-026-9, , Thomson Reuters, IET=Inspec, DBPL=uni-trier.de,  pp: 143-147.

Design Of Computer Experiments Applied To Modeling Compliant Mechanisms.
David Restrepo, Diego Acosta, Sebastian Durango, Oscar Ruiz.
TMCE-2010, International Symposium on Tools and Methods of Competitive Engineering, en Abril 12 - 16, 2010, Ancona, Italia. pp 775-788. ISBN 978-90-5155-060-3 (Books), ISBN 978-90-5155-061-0 (CD).

Kinematic Identification of Parallel Mechanisms by a Divide and Conquer Strategy.
Sebastian Durango, David Restrepo, Oscar Ruiz, John Restrepo, Sofiane Achiche.
In: Proceedings 7th International Conference in Informatics in Control, Automation and Robotics – ICINCO 2010. vol 2/3. ISBN 978-989-8425-01-0. pp 167--173. Insticc Press. Eds: Joaquim Filipe, Juan Andrade-Cetto, Jean-Louis Ferrier. Funchal, Portugal, 15 -18 June, 2010.

Realtime Dense Stereo Matching with Dynamic Programming  in CUDA
John Congote, Javier Barandiaran, Inigo Barandiaran, Oscar Ruiz
XIX Spanish Congress of Graphical Informatics (CEIG 2009). ISBN 978-3-905673-72-2, pp 231-234. September 2009. Donostia - San Sebastian, Spain.

Adaptative Cubical Grid For Isosurface Extraction
John Congote, Aitor Moreno, Inigo Barandiaran, Javier Barandiaran, Oscar Ruiz.
4th International Conference on Computer Graphics Theory and Applications GRAPP-2009. ISBN 978-989-8111-67-8, Thomson Reuters, IET=Inspec, DBPL=uni-trier.de,  pp 21-26. Feb 5-8, 2009. Lisbon, Portugal. 


Gabriel-constrained parametric surface triangulation.
Oscar E. Ruiz, Carlos Cadavid, Juan G. Lalinde, Ricardo Serrano, and Guillermo Peris-Fajarnes.
ICCG 2008. International Conference on Computational Geometry. World Academy of Science, Engineering and Technology,  ISSN 2070-3740. pp. 578–585. October 29-31, 2008. Venice, Italy.


A Curvature-Sensitive Parameterization-Independent Triangulation Algorithm.
Oscar Ruiz, John Congote, Carlos Cadavid, Juan G. Lalinde.
5th  Annual  International Symposium  on Voronoi  Diagrams in Science and Engineering. 4th  International Kyiv Conference on Analytic Number Theory and Spatial Tessellations. (Kokichi Sugihara and Deok-Soo Kim, eds.), vol. 2, Drahomanov National Pedagogical University, ISBN 967-966-02-4892-2 (Book), ISBN 978-966-02-4893-9 (CD). September  22-28, 2008 Kiev, Ukraine.

Geometrical Degeneracy Removal by Virtual Disturbances. An Application to Surface Reconstruction from Point Slice Samples
Oscar E. Ruiz, Eliana Vasquez, Sebastian pena, Miguel Granados. 3rd International Conference on Computer Graphics Theory and Applications. GRAPP-2008. ISBN: 978-989-8111-20-3. pp. 113-118.  January 22 - 25 , 2008 Funchal, Madeira, Portugal.

Surface fairing for Ship Hull Design
Xoan A. Leiceaga, Eva Soto, Oscar E. Ruiz. Carlos Vanegas. International Conference "Graphica 2007", Curitiba (Parana, Brasil),  Nov 11 - 14, 2007. ISBN (print): 978-85-61172-00-8, (CD): 978-85-61172-01-5. pp 1-13. Event web page    http://www.degraf.ufpr.br/graphica2007/    

Design and Smoothing of Complex Surfaces by Quadrilateral Patches
Xoan A. Leiceaga, Oscar E. Ruiz, Carlos A. Vanegas, Eva Soto. VII
Internacional  Conference "Egrafia 2007", Cordoba (Argentina), Nov 7-9,
2007. ISBN: 978-950-330628-4.

Statistical
Statistical Assessment of Global and Local Cylinder Wear.
Oscar Ruiz , Carlos Vanegas, 5th IEEE International Conference on Industrial
Informatics Vienna, Austria, July 23-27, 2007, IEEE Catalog Number:
07EX1642C, ISBN: 1-4244-0865-2, ISSN: 1935-4576, pp. 387-392.

Bi-curve and Multi-patch Smoothing with Application to the Shipyard Industry
Xoan A. Leiceaga, Oscar E. Ruiz, Carlos A. Vanegas, Jose Prieto, Manuel Rodriguez, Eva Soto. Congreso Internacional Conjunto XVI ADM - XIX INGEGRAF, 6 - 9 June 2007, Perugia, Italia. ISBN 978-884671841-9  pp 415-424


tester_spline
Aspect Ratio-and Size-Controlled Patterned Triangulations of Parametric Surfaces
Oscar E. Ruiz,Sebastian pena, Juan Duque. Proceedings of the ninth IASTED International Conference. Computer Graphics and Imaging. ISBN: 978-0-88986-644-7.ISBN CD 978-0-88986-645-4 February 13 - 15 , 2007 Innsbruck, Austria.
unoff

PiecewiseLinearCurve
Piecewise Linear Curve Reconstruction from Point Clouds.
Oscar E. Ruiz, Carlos Vanegas, Sixth International Symposium series on Tools and Methods of Competitive Engineering TMCE 2006 . April 18-22, 2006, Ljubljana, Slovenia, ISBN 961-6536-04-4. pp 285-298.

cilinder
FEA-driven Geometric Modelling for Meshless Methods.
Oscar E. Ruiz, Miguel Granados, Carlos Cadavid, Virtual Concept 2005 November 8-10, 2005 Biarritz, France.
ISBN 2-287-28772-8. Eds. Daniel Coutellier, Xavier Fischer, pp. 1-8 2005


figure2
Spring-Particle Model for Hyperelastic Cloth
M. Garcia, O. Ruiz, M. Gomez, P. Boulanger
20th Canadian Congress of Applied Mechanics, CANCAM 2005, McGill University, Montreal, Canada, May 30th to June 2nd.


3d
Fixed Grid Finite Element Analysis for 3D Linear Elastic Structures
Garcia M.J, Ruiz O., Ruiz, L.M., Querin O. VI World Congress Computational Mechanics, WCCM VI in conjunction with APCOM'04, Sept. 5-10, 2004, Beijing, China 2004 Tsinghua University Press and Springer-Verlag.


doubleCurve
Principal Component Analysis -PCA- and Delone Triangulations for PL approximation C1-continuous 1-manifolds in Rn.
Oscar E. Ruiz, Carlos A. Cadavid, Manuel J. Garcia, Student Assistant Ronald Martinod. Computer Graphics and Imaging (CGIM), Kauai, Hawaii, USA - August 17-19, 2004. 8/17/2004 - 8/19/2004 Kauai, Hawaii, USA, Editor(s): M.H. Hamza , 479 pages, ISSN: 1482-7905; ISBN: 0-88986-418-7;ISSN (CD): 1482-7905; ISBN (CD): 0-88986-001

usage
Usage of 2D region similarity for surface reconstrucion from planar samples. S.I.A.M.
Oscar E. Ruiz, Carlos Cadavid, Miguel Granados, Eliana Vasquez, Sebastian Pena. Simposium on Industry-Applied Mathematics, Conference on Geometric Design and Computing -2003. November 10-13, 2003 Grand Hyatt-Seattle, Washington, USA.


mountain
Coupling Terrain and Building Database Information for Ray-Tracing Applications.
F.P. Fontan, O.E. Ruiz S., S. Pena S. ClimDiff'03, Fortaleza, Brazil, 17- 19 November 2003.

ship
Geometric Modeling In Design Of Naval Elements
Oscar E. Ruiz S, Xoan Leiceaga Baltar, Manuel Rodriguez Perez, Jose Prieto Villar. XIII ADM - XV INGEGRAF International Conference on TOOLS AND METHODS EVOLUTION IN ENGINEERING DESIGN Cassino, Napoli, Salerno, June 3th-5th, 2003.

hueso
Boolean 2d Shape Similarity For Surface Reconstruction
Oscar E. Ruiz, Carlos Cadavid O. Ruiz, Visualization and Imaging Processing (VIIP) conference of IASTED (Intl. Assoc. of Science and Technology for Development). Marbella, Spain. Sept 3-5, 2001.

cilinder
Evaluation Of 2d Shape Likeness For Surface Reconstruction
Oscar E. Ruiz, Carlos Cadavid, Miguel Granados. XIII International Congress on Graphics Engineering. Badajoz, Spain, June 6-9, 2001


engineeringDesign
Engineering Design Using Evolutionary Structural Optimization Based on Iso-Stress-Driven Smooth Geometry Removal.
Manuel J. Garcia, Oscar E. Ruiz, Grant Stephen. NAFEMS (Intl Assoc. Eng. Analysis Community) World Congress 2001, Lake Como, Italy. April 24-29, 2001

aphrodite
PL-Geodesics ON PL-Continuous Partial Meshes
Oscar E. Ruiz, Carlos A. Cadavid M. W S C G ' 2001, 9-th International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision 2001. Plzn, Czech Republic, Feb. 5-9, 2001. Vol 1. pp 110-119. ISBN 80-7082-712-4

doubleAphrodite
Topologically Consistent Partial Surface Reconstruction from Range Pictures
O. Ruiz, P. Neugebauer. Computer Graphics and Imaging (CGIM) conference of IASTED (Intl. Assoc. of Science and Technology for Development). Las Vegas, USA. Nov. 19-23, 2000. Member of the International Technical Committee and Chair of the Session Computational Geometry.

curves
DigitLAB, an Environment and Language for Manipulation of 3D Digitizations
Oscar E. Ruiz, Professor Asociado,
International Conference on Integrated Design and Manufacturing (IDMME'2000) and Canadian Society of Mechanical Engineering FORUM 2000. Montreal, Canada. May 16-19, 2000, ISBN 2-553-00803-1, Editor:Presses Internationales Polytechnique, Montreal, Proceedings in CD. pp 180-199.

algoritmosdeReconstruccion
Algorithms for reconstruction of 3D surfaces for anthropometric. modeling.
O. Ruiz; R. Schrader ; J. Acosta , XII Congreso Internacional de Ingenieria Grafica, Valladolid, Espana, Mayo 31-Junio 3, 2000, ISBN 84-8448-008-9, Editor: XII Congreso Intl. Ing. Grafica, Valladolid, Proceedings in CD. pp 1-10.

falcon
Falcon. Software tools aerophotogrametric processing.
O. Ruiz; A. Trujillo, C. Toro. , XII Congreso Internacional de Ingenieria Grafica, Valladolid, Espana, Mayo 31-Junio 3, 2000. ISBN 84-8448-008-9, Editor: XII Congreso Intl. Ing. Grafica, Valladolid, Proceedings in CD. pp 1-8.

herramientas_scale
Automatic Tools for Data Diagnostic and Correction in Aerophotogrametry
Ruiz Salguero Oscar, XI Congreso Internacional de Ingenieria Grafica, Pamplona-Logrono, Spain, Jun 3-5, 1999, ISBN 84-699-0473-6, Editor: Secretaria XI Congreso Intl. Ing. Grafica, Pamplona, Spain, pp 27-37

modelaje_geometrico
Geometric Modeling of Bone Structure
Oscar E. Ruiz, Carlos Henao (student), X International Congress on Graphics Engineering
Malaga, Spain, June 3-5, 1998, ISBN 84-89791-08-2, Editor: Universidad de Malaga, Malaga, Espana, pp 15-27.

foot2
Computational Geometry in the Preprocessing of Point Clouds for Surface Modeling
Oscar E. Ruiz, Jorge Leon Posada. IDMME-98 (Integrated Design and Manufacturing in Mechanical Engineering)-98”. Compiegne, France, May 27-29, 1998, ISBN 2-913087-03-5
Editor: Universite de Lille III, Villeneuve d'Ascq, France, pp 613-620

Aplications
An AIS Interface for Applications CAD / CAM / CG
Oscar E. Ruiz, Jairo Saldarriaga (student), EGRAF-97. I Iberoamerican Symposium on Graphic Expression, Camaguey, Cuba, Oct 13-15, 1997

razonamiento
Fitting and Edition of Surfaces to Digitizations. An Application AIS Compatible.
Oscar E. Ruiz, Dario Isaza (student), EGRAF-97. I Iberoamerican Symposium on Graphic Expression, Camaguey, Cuba, Oct 13-15, 1997

pieces
Geometric 3d Modeling And Dynamic System Identification In Prediction Of Entry / Exit Metal Cutting Forces
Oscar E. Ruiz, S.Shiv G. Kapoor, 16th IASTED Conference on Modeling, Identification and Control (MIC´97), Innsbruck, Austria, Feb 17-19, 1997, ISBN 0-88986-217-6, Editor: IASTED Acta Press, Anaheim, CA, USA, pp 177-181.

twographics
Geometric Reasoning in the Analysis of Assemblies and Mechanisms
Oscar E. Ruiz S., Placid M. Ferreira , ASME Design Engineering Technical Conferences. Boston, Massachusetts, September 17-20, 1995, pp 1-12, ISBN 0-7918-1716-4, Ed. A.S.M.E., New York.


curves
Algebraic Geometry and Group Theory in Geometric Constraint Satisfaction
International Symposium on Symbolic and Algebraic Computation, ACM Special Interest Group in Symbolic and Algebraic Manipulation (SIGSAM), O. E. Ruiz S., P. M. Ferreira
University of Oxford, England. July 1994., ISBN 0-89791-638-7, Editor: ACM, New York, pp 224-233.


AgeometricReasoningServer
A Geometric Reasoning Server with Applications to Geometric Constraint Satisfaction and Reconfigurable Feature Extraction
O. E. Ruiz S., R. A. Marin, P. M. Ferreira , 3rd Luso-German Computer Graphics Meeting , Coimbra, Portugal. 27-28 June 1994, Editor: Centro de Computacao Grafica, Coimbra, Portugal, pp 1-13.
incomplete version


An unified algorithm for geometric transformations on Quadtrees
Oscar Ruiz, Placid Ferreira. Technical Report, University of Illinois 1990



Heuristics in Compilation of a High level Language for External CNC Turning.
Oscar Ruiz , Rodrigo Lopez.. XIII Conferencia Latinoamericana de Informatica, Bogota, Colombia, Nov 9-13, 1987., Editor: Centro Latinoamericano de Estudios en Informatica C.L.E.I., Bogota, COLOMBIA, pp 480-500.


Basic
Basic Notions of Point Set Topology, Metric Spaces and the PL-category.
Carlos Cadavid , Miguel Granados , Lutz Kettner , Kurt Mehlhorn , Oscar Ruiz


Boolean
Boolean Operations on 3D Selective Nef Complexes Data Mtructure, Algorithms, and Implementation
Miguel Granados, Peter Hachenberger, Susan Hert, Lutz Kettner, Kurt Mehlhorn, and Michael Seel.


Virtual_Perturbation
Virtual Perturbation to Solve Degeneracies in Voronoi-Delone Methods
Prof.Dr.Eng. Ruiz O., Prof.Dr.Math. Cadavid C., Dipl. Eng. Vasquez E., Student Assistant Granados M., Student Assistant Pena S.