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Helder Araújo
2010 – today
- 2013
[j17]Luis Perdigoto, Helder Araújo: Calibration of mirror position and extrinsic parameters in axial non-central catadioptric systems. Computer Vision and Image Understanding 117(8): 909-921 (2013)- [j16]Pedro Miraldo, Helder Araújo: Calibration of Smooth Camera Models. IEEE Trans. Pattern Anal. Mach. Intell. 35(9): 2091-2103 (2013)
- 2012
- [j15]David Palma, Helder Araújo, Marilia Curado: Link quality estimation in wireless multi-hop networks using Kernel based methods. Computer Networks 56(16): 3629-3638 (2012)
- [c33]Luis Perdigoto, Helder Araújo: Reconstruction of 3D lines from a single axial catadioptric image using cross-ratio. ICPR 2012: 857-860
- [c32]Omar Tahri, Helder Araújo: Non-central catadioptric cameras visual servoing for mobile robots using a radial camera model. IROS 2012: 1683-1688
- 2011
- [c31]Pedro Miraldo, Helder Araújo, Joao Queiro: Point-based calibration using a parametric representation of the general imaging model. ICCV 2011: 2304-2311
- 2010
- [j14]Joán P. Barreto, Luis Perdigoto, Rui Caseiro, Helder Araújo: Active Stereo Tracking of Nle 3 Targets Using Line Scan Cameras. IEEE Transactions on Robotics 26(3): 442-457 (2010)
- [c30]Fernanda da C. e C. Faria, Jorge Batista, Helder Araújo: Bio-inspired Binocular Disparity with Position-Shift Receptive Field. DoCEIS 2010: 351-358
- [e12]Alpesh Ranchordas, João Madeiras Pereira, Helder Araújo, João Manuel R. S. Tavares (Eds.): Computer Vision, Imaging and Computer Graphics. Theory and Applications - International Joint Conference, VISIGRAPP 2009, Lisboa, Portugal, February 5-8, 2009. Revised Selected Papers. Communications in Computer and Information Science 68, Springer 2010, ISBN 978-3-642-11839-5
2000 – 2009
- 2009
- [j13]Nuno Gonçalves, Helder Araújo: Estimating parameters of noncentral catadioptric systems using bundle adjustment. Computer Vision and Image Understanding 113(1): 11-28 (2009)
- [c29]Luis Perdigoto, João P. Barreto, Rui Caseiro, Helder Araújo: Active stereo tracking of multiple free-moving targets. CVPR 2009: 1494-1501
- [c28]Niklas Wilming, Felix Wolfsteller, Peter König, Rui Caseiro, João Xavier, Helder Araújo: Attention Models for Vergence Movements based on the JAMF Framework and the POPEYE Robot. VISAPP (2) 2009: 429-435
- [e11]Helder Araújo, Ana Maria Mendonça, Armando J. Pinho, M. Inés Torres (Eds.): Pattern Recognition and Image Analysis, 4th Iberian Conference, IbPRIA 2009, Póvoa de Varzim, Portugal, June 10-12, 2009, Proceedings. Lecture Notes in Computer Science 5524, Springer 2009, ISBN 978-3-642-02171-8
- [e10]Alpesh Ranchordas, Helder Araújo, João Madeiras Pereira, José Braz (Eds.): Computer Vision and Computer Graphics. Theory and Applications - International Conference, VISIGRAPP 2008, Funchal-Madeira, Portugal, January 22-25, 2008. Revised Selected Papers. Communications in Computer and Information Science 24, Springer 2009, ISBN 978-3-642-10225-7
- [e9]Alpesh Ranchordas, Helder Araújo (Eds.): VISAPP 2009 - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications, Lisboa, Portugal, February 5-8, 2009 - Volume 1. INSTICC Press 2009, ISBN 978-989-8111-69-2
- [e8]Alpesh Ranchordas, Helder Araújo (Eds.): VISAPP 2009 - Proceedings of the Fourth International Conference on Computer Vision Theory and Applications, Lisboa, Portugal, February 5-8, 2009 - Volume 2. INSTICC Press 2009, ISBN 978-989-8111-69-2
- 2008
- [c27]Nuno Martins, Helder Araújo: Calibration and Pose Estimation of a Pox-slits Camera from a Single Image. ISVC (2) 2008: 460-469
- [c26]
- [e7]Alpesh Ranchordas, Helder Araújo (Eds.): VISAPP 2008: Proceedings of the Third International Conference on Computer Vision Theory and Applications, Funchal, Madeira, Portugal, January 22-25, 2008 - Volume 1. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2008, ISBN 978-989-8111-21-0
- [e6]Alpesh Ranchordas, Helder Araújo (Eds.): VISAPP 2008: Proceedings of the Third International Conference on Computer Vision Theory and Applications, Funchal, Madeira, Portugal, January 22-25, 2008 - Volume 2. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2008, ISBN 978-989-8111-21-0
- 2007
- [c25]Nuno Gonçalves, Helder Araújo: Linear solution for the pose estimation of noncentral catadioptric systems. ICCV 2007: 1-7
- [e5]Alpesh Ranchordas, Helder Araújo, Jordi Vitrià (Eds.): VISAPP 2007: Proceedings of the Second International Conference on Computer Vision Theory and Applications, Barcelona, Spain, March 8-11, 2007 - Volume 1. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2007, ISBN 978-972-8865-73-3
- [e4]Alpesh Ranchordas, Helder Araújo, Jordi Vitrià (Eds.): VISAPP 2007: Proceedings of the Second International Conference on Computer Vision Theory and Applications, Barcelona, Spain, March 8-11, 2007 - Volume 2. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2007, ISBN 978-972-8865-74-0
- [e3]Alpesh Ranchordas, Helder Araújo, Jordi Vitrià (Eds.): VISAPP 2007: Proceedings of the Second International Conference on Computer Vision Theory and Applications, Barcelona, Spain, March 8-11, 2007 - Volume Special Sessions. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2007, ISBN 978-972-8865-75-7
- 2006
- [j12]João P. Barreto, Helder Araújo: Fitting conics to paracatadioptric projections of lines. Computer Vision and Image Understanding 101(3): 151-165 (2006)
- [e2]Alpesh Ranchordas, Helder Araújo, Bruno Encarnação (Eds.): VISAPP 2006: Proceedings of the First International Conference on Computer Vision Theory and Applications, 2 Volumes, Setúbal, Portugal, February 25-28, 2006. INSTICC - Institute for Systems and Technologies of Information, Control and Communication 2006, ISBN 972-8865-40-6
- 2005
- [j11]Qian Yu, Helder Araújo, Hong Wang: A Stereovision Method for Obstacle Detection and Tracking in Non-Flat Urban Environments. Auton. Robots 19(2): 141-157 (2005)
- [j10]João P. Barreto, Helder Araújo: Geometric Properties of Central Catadioptric Line Images and Their Application in Calibration. IEEE Trans. Pattern Anal. Mach. Intell. 27(8): 1327-1333 (2005)
- [c24]
- 2004
- [j9]João P. Barreto, Helder Araújo: A General Framework for the Selection of World Coordinate Systems in Perspective and Catadioptric Imaging Applications. International Journal of Computer Vision 57(1): 23-47 (2004)
- [c23]Nuno Gonçalves, Helder Araújo: Projection Model, 3D Reconstruction and Rigid Motion Estimation from Non-Central Catadioptric Images. 3DPVT 2004: 325-332
- [c22]Nuno Gonçalves, Helder Araújo: Rigid Motion Estimation from Non-Central Catadioptric Images. ICPR (4) 2004: 268-271
- [e1]Helder Araújo, Alves Vieira, José Braz, Bruno Encarnação, Marina Carvalho (Eds.): ICINCO 2004, Proceedings of the First International Conference on Informatics in Control, Automation and Robotics, Setúbal, Portugal, August 25-28, 2004. INSTICC Press 2004, ISBN 972-8865-12-0
- 2003
- [j8]Xavier Armangué, Helder Araújo, Joaquim Salvi: A review on egomotion by means of differential epipolar geometry applied to the movement of a mobile robot. Pattern Recognition 36(12): 2927-2944 (2003)
- [j7]Nuno Gonçalves, Helder Araújo: Analysis and comparison of two methods for the estimation of 3D motion parameters. Robotics and Autonomous Systems 45(1): 23-49 (2003)
- [c21]João P. Barreto, Helder Araújo: Paracatadioptric Camera Calibration Using Lines. ICCV 2003: 1359-1365
- 2002
- [c20]João P. Barreto, Helder Araújo: Geometric Properties of Central Catadioptric Line Images. ECCV (4) 2002: 237-251
- [c19]Nuno Gonçalves, Helder Araújo: Estimation of 3D Motion from Stereo Images- Differential and Discrete Formulations. ICPR (1) 2002: 335-338
- [c18]Xavier Armangué, Helder Araújo, Joaquim Salvi: Differential Epipolar Constraint in Mobile Robot Egomotion Estimation. ICPR (3) 2002: 599-602
- [c17]António Paulino, Helder Araújo: Pose Estimation for Central Catadioptric Systems: An Analytical Approach. ICPR (3) 2002: 696-699
- [c16]Nuno Gonçalves, Helder Araújo: Estimation of 3D motion from stereo images-uncertainty analysis and experimental results. IROS 2002: 7-12
- 2001
- [j6]António Paulino, Jorge Batista, Helder Araújo: Maintaining the relative positions and orientations of multiple robots using vision. Pattern Recognition Letters 22(12): 1331-1335 (2001)
- [j5]Helder Araújo, Jorge Dias: Intelligent Robotic Systems - SIRS'99. Robotics and Autonomous Systems 35(3-4): 127-130 (2001)
- [j4]Paulo Peixoto, Jorge Batista, Helder Araújo: Real-time human activity monitoring exploring multiple vision sensors. Robotics and Autonomous Systems 35(3-4): 221-228 (2001)
- [c15]João P. Barreto, Helder Araújo: Issues on the Geometry of Central Catadioptric Image Formation. CVPR (2) 2001: 422-427
- 2000
- [j3]Paulo Peixoto, Jorge Batista, Helder Araújo: Integration of information from several vision systems for a common task of surveillance. Robotics and Autonomous Systems 31(1-2): 99-108 (2000)
- [c14]Jorge Batista, Paulo Peixoto, Helder Araújo: Binocular Tracking and Accommodation Controlled by Retinal Motion Flow. ICPR 2000: 1171-1174
- [c13]Paulo Peixoto, J. Gonçalves, H. Antunes, Jorge Batista, Helder Araújo: A Surveillance System Integrating Visual Telepresence. ICPR 2000: 4098-4101
- [c12]João P. Barreto, Jorge Batista, Helder Araújo: Model Predictive Control to Improve Visual Control of Motion: Applications in Active Tracking of Moving Targets. ICPR 2000: 4732-4735
- [c11]Jorge Batista, Paulo Peixoto, Helder Araújo: A Focusing-by-Vergence System Controlled by Retinal Motion Disparity. ICRA 2000: 3209-3214
1990 – 1999
- 1999
- [c10]João P. Barreto, Paulo Peixoto, Jorge Batista, Helder Araújo: Improving 3D Active Visual Tracking. ICVS 1999: 412-431
- [c9]João P. Barreto, Paulo Peixoto, Jorge Batista, Helder Araújo: Tracking multiple objects in 3D. IROS 1999: 210-215
- [c8]Paulo Peixoto, Jorge Batista, Helder Araújo, Anibal T. de Almeida: Combination of Several Vision Sensors for Interpretation of Human Actions. ISER 1999: 519-528
- 1998
- [j2]Helder Araújo, Rodrigo L. Carceroni, Christopher M. Brown: A Fully Projective Formulation to Improve the Accuracy of Lowe's Pose-Estimation Algorithm. Computer Vision and Image Understanding 70(2): 227-238 (1998)
- [c7]Jorge Batista, Helder Araújo, Anibal T. de Almeida: Iterative Multi-Step Explicit Camera Calibration. ICCV 1998: 709-714
- [c6]João P. Barreto, Paulo Peixoto, Jorge Batista, Helder Araújo: Control performance issues in a binocular active vision system. IROS 1998: 886-891
- 1997
- [j1]Jorge Dias, Helder Araújo, Carlos Paredes, Jorge Batista: Optical Normal Flow Estimation on Log-polar Images. A Solution for Real-Time Binocular Vision. Real-Time Imaging 3(3): 213-228 (1997)
- [c5]Jorge Batista, Paulo Peixoto, Helder Araújo: Real-time visual behaviors with a binocular active vision system. ICRA 1997: 3391-3396
- [c4]Jorge Batista, Paulo Peixoto, Helder Araújo: Real-time vergence and binocular gaze control. IROS 1997: 1348-1354
- 1995
- [c3]Jorge Dias, Carlos Paredes, Inacio Fonseca, Helder Araújo, Jorge Batista, Anibal T. de Almeida: Simulating Pursuit with Machines Experiments with Robots and Artificial Vision. ICRA 1995: 472-477
- [c2]Paulo Menezes, Jorge Dias, Helder Araújo, Anibal T. de Almeida: Low Cost Sensor Based Obstacle Deteciton and Description: Experiments with Mobile Robots using Grid Representation. ISER 1995: 231-237
- 1993
- [c1]Jorge Batista, Jorge Dias, Helder Araújo, Anibal Traça-de-Almeida: Monoplanar Camera Calibration. BMVC 1993: 1-10
Coauthor Index
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last updated on 2013-10-02 11:22 CEST by the dblp team