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• Samuel Silva, Paula Martins, Catarina Oliveira, Augusto Silva, António J. S. Teixeira. Segmentation and Analysis of the Oral and Nasal Cavities from MR Time Sequences. Proceedings of 9th International Conference on Image Analysis and Recognition, ICIAR 2012, Aveiro, June 2012
• Samuel Silva, Joaquim Madeira, Beatriz Sousa Santos, Carlos Ferreira. Inter-observer Variability Assessment of a Left Ventricle Segmentation Tool Applied to 4D MDCT Images of the Heart. Proc. 33rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society- EMBC 2011, Boston, USA, September 2011
• Paula Martins, Catarina Oliveira, Samuel Silva, Augusto Silva, António J. S. Teixeira. Tongue Segmentation from MRI Images Using ITK-SNAP: Preliminary Evaluation. IADIS International Conference Computer Graphics, Visualization, Computer Vision and Image Processing 2011, Rome, July 2011
• Paula Martins, Samuel Silva, Catarina Oliveira, Augusto Silva, António J. S. Teixeira. Investigating the differences between European Portuguese sounds: An Approach using Polygonal Mesh comparison. Proc. SIACG 2011, Faro, June 2011
• Samuel Silva, Beatriz Sousa Santos, Joaquim Madeira. Left-Ventricle Global and Regional Functional Analysis from MDCT Images. Proc. Ibero-American Symposium on Computer Graphics (SIACG11), Faro, Portugal, p. 217--223, June 2011
• Samuel Silva, Nuno Bettencourt, Daniel Leite, João Rocha, Mónica Carvalho, Joaquim Madeira, Beatriz Sousa Santos. Myocardial Perfusion Analysis from Adenosine-Induced Stress MDCT. Proc. IbPRIA 2011, vol. LNCS 6669, p. 717-725, June 2011
• Samuel Silva, Beatriz Sousa Santos, Carlos Ferreira, Joaquim Madeira. A preparatory study to choose similarity metrics for left-ventricle segmentations comparison. Proc. SPIE Medical Imaging 2011, February 2011
• Samuel Silva, Joaquim Madeira, Beatriz Sousa Santos, Augusto Silva. CardioAnalyser: A Software Tool for Segmentation and Analysis of the Left Ventricle from 4D MDCT Images of the Heart. Proc. 14th International Conference Information Visualisation (IV'10), London, United Kingdom, p. 629-634, July 2010
• Beatriz Sousa Santos, Paulo Dias, Samuel Silva, Carlos Ferreira. Wiimote as an input device in Google Earth visualization and navigation: a user study comparing two alternatives. Proceedings IV10: HCI - Human-Computer Interaction for Information Visualization, IEEE Computer Society, p. 473-478, July 2010
• Samuel Silva, Beatriz Sousa Santos, Joaquim Madeira, Augusto Silva. A 3D Tool for Left Ventricle Segmentation Editing. Proc. 7th International Conference on Image Analysis and Recognition (ICIAR 2010), Póvoa de Varzim, Portugal, vol. LNCS-6112, p. 79-88, June 2010
• Samuel Silva, Beatriz Sousa Santos, Carlos Ferreira, Joaquim Madeira. A Perceptual Data Repository for Polygonal Meshes. Proceedings of the 2nd International Conference on Visualization (VIZ '09), Barcelona, Spain, p. 207-212, July 2009
• Samuel Silva, Beatriz Sousa Santos, Joaquim Madeira, Augusto Silva. Processing, Visualization and Analysis of Medical Images of the Heart: An Example of Fast Prototyping using MeVisLab. Proceedings of the 2nd International Conference on Visualization (VIZ '09), Barcelona, Spain, p. 165 - 170, July 2009
• Samuel Silva, Beatriz Sousa Santos, Joaquim Madeira, Augusto Silva. Left Ventricle Segmentation from Heart MDCT. Pattern Recognition and Image Analysis: Proceedings of IbPRIA-2009, Póvoa de Varzim, Portugal, vol. LNCS-5524, p. 306-313, June 2009
• Beatriz Sousa Santos, Paulo Dias, Paulo Santos, Samuel Silva, Carlos Ferreira. Usability evaluation in Virtual Environments through empirical studies involving users. ACM-CHI 2009 Workshop Challenges in Evaluating Usability and User Experience in Reality Based Interaction, Boston, p. 28-31, April 2009
• Beatriz Sousa Santos, Paulo Dias, Samuel Silva, Carlos Ferreira, Joaquim Madeira. Introducing students to empirical methods in CG and HCI courses through user studies. Proceedings of the Eurographics 2009 Education Programme, Munich, Germany, p. 45-49, March 2009
• Beatriz Sousa Santos, Paulo Dias, Samuel Silva, Luís Capucho, Norberto Salgado, Filipe Lino, Vitor Carvalho, Carlos Ferreira. Usability Evaluation in Virtual Reality: A User Study Comparing Three Different Setups. Proceedings of Eurographics Symposium on Virtual Environments EGVE08, Holland, p. 21-24, May 2008
• Samuel Silva, Beatriz Sousa Santos, Joaquim Madeira, Carlos Ferreira. Perceived Quality Assessment of Polygonal Meshes using Observer Studies: A New Extended Protocol. Proc. SPIE Electronic Imaging Science and Technology 2008: Human Vision and Electronic Imaging XIII, San Jose, California, vol. SPIE-6806, p. 68060D-1-68060D-12, January 2008
• Beatriz Sousa Santos, Samuel Silva, Leonor Teixeira, Carlos Ferreira, Paulo Dias, Joaquim Madeira. Preliminary Usability Evaluation of PolyMeCo: A Visualization Based Tool for Mesh Analysis and Comparison. Proceedings of Geometric Modeling and Imaging (GMAI'07), Zurich, Switzerland, p. 133-139, July 2007
• Samuel Silva, Joaquim Madeira, Beatriz Sousa Santos. There is More to Color Scales than Meets the Eye: A Review on the Use of Color in Visualization. Proc. 11th Int. Conf. on Information Visualization (IV'07), Zurich, Switzerland, p. 943-950, July 2007
• Samuel Silva, Joaquim Madeira, Carlos Ferreira, Beatriz Sousa Santos. Comparison of Methods for the Simplification of Mesh Models using Quality Indices and an Observer Study. Proc. SPIE Electronic Imaging 2007: Human Vision and Electronic Imaging XII, San Jose, California, vol. SPIE-6492, p. 62921L-1-64921L-12, January 2007