Journal Articles

 

  1. Francisco Vasconcelos, Joao P. Barreto, and Urbano Nunes. " A Minimal Solution for the Extrinsic Calibration of a Camera and a Laser-Rangefinder.", IEEE Trans. in Pattern Analysis and Machine Intelligence. 2012. (pdf)

  2. Miguel Lourenco, Joao P. Barreto, and Francisco Vasconcelos. "sRD-SIFT: Keypoint Detection and Matching in Images With Radial Distortion.", IEEE Trans. in Robotics. 2012. (pdf)

  3. Rui Melo, Joao P. Barreto, and Gabriel Falcao. "A New Solution for Camera Calibration and Real-Time Image Distortion Correction in Medical Endoscopy - Initial Technical Evaluation.", IEEE Trans. in Biomedical Engineering. March, 2012. (pdf)

  4. L. Puig, Y. Bastanlar, P Sturm, J Guerrero, and J. P. Barreto. "Calibration of Central Catadioptric Cameras Using a DLT-Like Approach.", Int. Journal of Computer Vision, 93(1), pp. 442--457. May, 2011.

  5. Joao P. Barreto, Luis Perdigoto, Rui Caseiro, and Helder Araujo. "Active Stereo Tracking of N<3 Targets Using Line Scan Cameras", IEEE Trans. on Robotics, 26(3), pp. 442--457. June, 2010. (pdf)

  6. Joao P. Barreto. "A Unifying Geometric Representation for Central Projection Systems", Computer Vision and Image Understanding, 103(3), pp. 207--217. September, 2006. (pdf)

  7. Joao P. Barreto and Helder Araujo. ''Fitting Conics to Paracatadioptric Projection of Lines'', Computer Vision and Image Understanding, 101(3), pp. 151--165. March, 2006. (pdf)

  8. Joao P. Barreto and Helder Araujo. ''Geometric Properties of Central Catadioptric Line Images and Their Application in Calibration''. IEEE Trans. On Pattern Analysis and Machine Intelligence, 27(8), pp. 1237--1333. August 2005. (pdf)

  9. Joao P. Barreto and Helder Araujo. "General Framework for Selecting World Coordinate Systems in Perspective and Catadioptric Imaging Applications''. International Journal on Computer Vision, 57(1). April 2004. (pdf)

 

Book Chapters

 

  1. Joao P. Barreto. ''Unifying Image Plane Liftings for Central Catadioptric and Dioptric Cameras''. Imaging Beyond the Pin-hole. K Daniilidis and A. Leonardis (Ed.). Kluwer Academic Publisher, 2005. (pdf)

  2. Joao P. Barreto, F. Martin and R. Horaud. ''Visual Servoing/Tracking Using Central Catadioptric Images''. Experimental Robotics VIII. B. Siciliano and P.Dario (Ed). Springer Verlag, 2003 (pdf)

  3. J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Evaluation of the Robustness of Visual Behaviors through Performance Characterization''. Robust Vision for Robust Vision Based Control of Motion (Chapter 12). M. Vincze and G. Hager (Ed). IEEE Press, 2000 (pdf)

  4. J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Improving 3D Active Visual Tracking''. Computer Vision Systems. H. Christensen, Henrik I. (Ed). Lecture Notes in Computer Science, Vol. 1542, Springer Verlag, 1999. (pdf)

 

Conference Proceedings (Refereed)

 

  1. Miguel Lourenco, Vitor Pedro, and Joao P. Barreto. "Localization in indoor environments by querying omnidirectional visual maps using perspective images". IEEE Int. Conf. in Robotics and Automation Minneapolis, May 2012. (pdf)

  2. Michel Antunes and Joao P. Barreto. "Stereo Estimation of Depth along Virtual Cut Planes". CVVT'2011 Computer Vision in Vehicle Technology: from Earth to Mars (in conjuction with ICCV) Barcelona, November 2011. (pdf)

  3. M. Antunes, J. P. Barreto, and X. Zabulis. "Plane Surface Detection and Reconstruction using Induced Stereo Symmetry". British Machine Vision Conference Dundee, August 2011. (acceptance ratio: around 32%) (pdf)

  4. J. P. Barreto, R. Melo, M. Antunes, M. Lourenco, and F. Vasconcelos. "ArthroNav: Computer Assisted Navigation System in Orthopedic Surgery using Endoscopic Images". 1st Portuguese Conference in Biomedical Engineering Lisbon, March 2011. (acceptance ratio: around 32%) (pdf)

  5. F. Vasconcelos, C. H. Antunes, and J. P. Barreto "Adaptive and Hybrid Genetic Approaches for Estimating the Camera Motion from Image Point Correspondences.". GECCO'2011: ACM Conf. in Genetic and Evolutionary Computing Conference. Dublin, July 2011. (pdf)

  6. Rui Rodrigues, Joao P. Barreto, and Urbano Nunes. "Camera Pose Estimation uisng Images of Planar Mirror Reflections". European Conference on Computer Vision. Heraklion, September 2010. (acceptance ratio: around 25%) (pdf)

  7. Miguel Lourenco, Joao P. Barreto, and Abed Matly. "Feature Detection and Matching in Images with Radial Distortion ". IEEE Int. Conf. on Robotics and Automation. Anchorage, May 2010. (finalist of the Best Student Paper Award) (pdf)

  8. Abed Malti and Joao P. Barreto. "Robust Hand-Eye Calibration for Computer Aided Medical Endsocopy ". IEEE Int. Conf. on Robotics and Automation. Anchorage, May 2010. (pdf)

  9. J. P. Barreto, J. Roquette, P. Sturm, and F. Fonseca. "Automatic Camera Calibration Applied to Medical Endoscopy". British Machine Vision Conference. London, September 2009. (pdf)

  10. S. Gasparini, P. Sturm, and J. P. Barreto. "Plane-based Calibration of Central Catadiotpric Cameras". IEEE Int. Conf. on Computer Vision. Kyoto, September 2009. (acceptance ratio: around 20%)

  11. L. Perdigoto, J. P. Barreto, R. Caseiro and H. Araujo. "Active Stereo Tracking of Multiple Free Moving Targets". IEEE Int. Conf. on Computer Vision and Pattern Recognition. Miami, June 2009. (acceptance ratio: 26.1%) (pdf) (video)

  12. J. P. Barreto, J. M. Santos, P. Menezes and F. Fonseca. "Ray-Based Calibration of Medical Endoscopes". Int. Work. on Omnidirectional Vision, Camera Networks and Non-Classical Cameras.. Marseille, October 2008. (pdf)

  13. Y. Bastanlar, L. Puig, P. Sturm, J. J. Guerrero and J. P. Barreto. "DLT-like Calibration of Central Catadioptric Cameras". Int. Work. on Omnidirectional Vision, Camera Networks and Non-Classical Cameras.. Marseille, October 2008.

  14. Peter Sturm and Joao P. Barreto. "General Imaging Geometry for Central catadioptric Cameras". European Conf. on Computer Vision. Marseille, October 2008. (pdf)

  15. Joao P. Barreto. "Lifted Fundamental Matrices for Mixtures of Central Systems". In RobotMat 2007 - Workshop on Robotics and Mathematics. Coimbra, Portugal, September 2007.

  16. Joao P. Barreto, Rahul Swaminathan and Jose Roquette. "Non Parametric Distorion Correction in Endoscopic Medical Images". 3DTV-CON The True Vision, Capture, Transmission and Display of 3D Video. Kos, Greece, May 2007. (pdf)

  17. Joao P. Barreto and Kostas Daniilidis. ''Epipolar Geometry of Central Projection Systems using Veronese Maps''. IEEE Int. Conf. on Computer Vision and Pattern Recognition. New York, June 2006. (acceptance ratio: 28%) (pdf)

  18.  Joao P. Barreto and Kostas Daniilidis.  ''Fundamental Matrix for Cameras with Radial Distortion''. IEEE Int. Conf. on Computer Vision. Beijing, October 2005. (acceptance ratio: 20%) (pdf)

  19. Joao P. Barreto and Kostas Daniilidis. ''Unifying Image Plane Liftings for Central Catadioptric and Dioptric Cameras''. Int. Work. on Omnidirectional Vision, Camera Networks and Non-Classical Cameras. Prague, May 2004. (pdf)

  20. Joao P. Barreto and Kostas Daniilidis. ''Wide Area Multiple Camera Calibration and Estimation of Radial Distortion''. Int. Work. on Omnidirectional Vision, Camera Networks and Non-Classical Cameras. Prague, May 2004. (pdf)

  21. Joao P. Barreto and Helder Araujo. ''Paracatadioptric Camera Calibration Using Lines''. IEEE Int. Conf. on Computer Vision. Nice, October 2003. (acceptance ratio: 20.6%) (pdf)

  22. Joao P. Barreto and Helder Araujo. ''Direct Least Square Fitting of Paracatadioptric Line Images''. Int. Work. on Omnidirectional Vision, Camera Networks and Non-Classical Cameras. Madison, Wisconsin, June 2003. (pdf)

  23. Joao P. Barreto and Helder Araujo. ''Geometric Properties of Central Catadioptric Line Images''. European Conf. on Computer Vision. Copenhagen, May 2002. (acceptance ratio: 37.7%) (pdf)

  24. Joao P. Barreto and Helder Araujo. ''Issues on the Geometry of Central Catadioptric Imaging''. IEEE Int. Conf. on Computer Vision and Pattern Recognition. Hawaii, USA, December 2001. (acceptance ratio: 29.1%) (pdf)

  25. S. Chroust, J. P. Barreto, H. Araujo and M. Vincze. ''Comparison of Control Structures for Visual Servoing''. IEEE Int. Conf. on Advanced Robotics. Budapest, August 2001. (pdf)

  26. J. P. Barreto, J. Batista and H. Araujo. ''Model Predictive Control to Improve Visual Control of Motion: Applications in Active Tracking of Moving Targets''. IEEE Int. Conf. on Pattern Recognition. Barcelona, September 2000 (pdf)

  27.  J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Mathematical Analysis for Visual Tracking Assuming Perspective Projection''. Int. Symposium on Intelligent Robots and Systems. Reading, July 2000 (pdf)

  28.  J. P. Barreto, J. Batista and H. Araujo. ''Solutions for Visual Control of Motion. Active Tracking Applications''. IEEE Mediterranean Conference on Control and Automation. Patra, Greece, July 2000 (pdf)

  29.  J. P. Barreto, J. Batista and H. Araujo. ''Control Issues to Improve Visual Control of Motion: Application in Active Tracking of Moving Targets'', 11th Portuguese Conference on Pattern Recognition, Porto 2000.

  30.  J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Tracking Multiple Targets in 3D''. IEEE Int. Conf. on Intelligent Robots and Systems. Korea, October 1999 (pdf)

  31.  J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Control Performance Issues in a Binocular Active Vision System''. IEEE Int. Conf. on Intelligent Robots and Systems. Victoria, Canada, October 1998. (pdf)

  32.  J. P. Barreto, P. Peixoto, J. Batista and H. Araujo. ''Performance Characterization of Visual Behaviors in Active Vision Systems''. Int. Symposium on Intelligent Robots and Systems. Edinburgh, July 1998. (pdf)

  33.  J. P. Barreto, A. Trigo, P. Menezes, J. Dias and A. T. de Almeida. ''FBD - Free Body Diagram Method. Kinematic and Dynamic Modeling of a Six Legged Robot''. IEEE Int. Work. on Advanced Motion Control. Coimbra, Portugal. July 1998 (pdf)

 

Thesis / Dissertations

 

  1. Joao P. Barreto. ''General Central Projection Systems: Modeling, Calibration and Visual Servoing''. PhD Thesis. University of Coimbra. April 2003. (pdf)

  2. Joao P. Barreto. ''Soluções para Controlo Visual de Movimento: Aplicação em Sistemas de Visão Activos''. PAPCC Report. University of Coimbra. November 2000. (pdf)

  3. Joao P. Barreto e Antonio Trigo. ''Modelação Dinâmica de um Robô de Seis Pernas''. Senior Project. University of Coimbra. September 1997. (pdf)

Other Documents

 

  1.  L. Perdigoto, D. Marques, J. P. Barreto, J. Batista and H. Araujo. ''Active Vision System for Tracking Two Targets in 3D''.  Robotica, number 45, October, 2001 (pdf)

  2. X. Zabulis, Joao P. Barreto, N. Kelshikar, R. Molana, and K. Daniilidis. ''Volumetric multi-camera scene acquisition with partially metric calibration for wide-area tele-immersion''. Springer Lecture Notes in Computational Science and Engineering. (pdf)

  3. Joao P. Barreto, Jorge Batista, Paulo Peixoto and Helder Araujo. "Integrating Vision and Control to Achieve High Perfomance Active Tracking", Technical Report TR-BAR-0202, ISR/DEEC - U. of  Coimbra, February, 2002 (pdf)

  4. Joao P. Barreto, "Relatório de uma Aula Prática de Visão por Computador Sobre Geometria Epipolar",  Universidade de Coimbra - Novembro de 2000. (pdf)