Helder Araújo

	2011
49		Pedro Miraldo, Helder Araújo, Joao Queiro: Point-based calibration using a parametric representation of the general imaging model. ICCV 2011: 2304-2311
	2010
48		Fernanda da C. e C. Faria, Jorge Batista, Helder Araújo: Bio-inspired Binocular Disparity with Position-Shift Receptive Field. DoCEIS 2010: 351-358
47		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)
	2009
46		Alpesh Ranchordas, Helder Araújo: 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
45		Alpesh Ranchordas, Helder Araújo: 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
44		Helder Araújo, Ana Maria Mendonça, Armando J. Pinho, M. Inés Torres: Pattern Recognition and Image Analysis, 4th Iberian Conference, IbPRIA 2009, Póvoa de Varzim, Portugal, June 10-12, 2009, Proceedings Springer 2009
43		Luis Perdigoto, João P. Barreto, Rui Caseiro, Helder Araújo: Active stereo tracking of multiple free-moving targets. CVPR 2009: 1494-1501
42		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
41		Nuno Gonçalves, Helder Araújo: Estimating parameters of noncentral catadioptric systems using bundle adjustment. Computer Vision and Image Understanding 113(1): 11-28 (2009)
	2008
40		Alpesh Ranchordas, Helder Araújo: 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
39		Alpesh Ranchordas, Helder Araújo: 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
38		Nuno Martins, Helder Araújo: Calibration and Pose Estimation of a Pox-slits Camera from a Single Image. ISVC (2) 2008: 460-469
37		João Xavier, Helder Araújo: The Experimental Robotics Framework. SIMPAR 2008: 207-221
	2007
36		Alpesh Ranchordas, Helder Araújo, Jordi Vitrià: 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
35		Alpesh Ranchordas, Helder Araújo, Jordi Vitrià: 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
34		Alpesh Ranchordas, Helder Araújo, Jordi Vitrià: 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
33		Nuno Gonçalves, Helder Araújo: Linear solution for the pose estimation of noncentral catadioptric systems. ICCV 2007: 1-7
	2006
32		Alpesh Ranchordas, Helder Araújo, Bruno Encarnação: 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
31		João P. Barreto, Helder Araújo: Fitting conics to paracatadioptric projections of lines. Computer Vision and Image Understanding 101(3): 151-165 (2006)
	2005
30		Nuno Martins, Helder Araújo: A Calibration Algorithm for POX-Slits Camera. IbPRIA (1) 2005: 168-175
29		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)
28		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)
	2004
27		Helder Araújo, Alves Vieira, José Braz, Bruno Encarnação, Marina Carvalho: ICINCO 2004, Proceedings of the First International Conference on Informatics in Control, Automation and Robotics, Setúbal, Portugal, August 25-28, 2004 INSTICC Press 2004
26		Nuno Gonçalves, Helder Araújo: Projection Model, 3D Reconstruction and Rigid Motion Estimation from Non-Central Catadioptric Images. 3DPVT 2004: 325-332
25		Nuno Gonçalves, Helder Araújo: Rigid Motion Estimation from Non-Central Catadioptric Images. ICPR (4) 2004: 268-271
24		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)
	2003
23		João P. Barreto, Helder Araújo: Paracatadioptric Camera Calibration Using Lines. ICCV 2003: 1359-1365
22		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)
21		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)
	2002
20		João P. Barreto, Helder Araújo: Geometric Properties of Central Catadioptric Line Images. ECCV (4) 2002: 237-251
19		Nuno Gonçalves, Helder Araújo: Estimation of 3D Motion from Stereo Images- Differential and Discrete Formulations. ICPR (1) 2002: 335-338
18		Xavier Armangué, Helder Araújo, Joaquim Salvi: Differential Epipolar Constraint in Mobile Robot Egomotion Estimation. ICPR (3) 2002: 599-602
17		António Paulino, Helder Araújo: Pose Estimation for Central Catadioptric Systems: An Analytical Approach. ICPR (3) 2002: 696-699
	2001
16		João P. Barreto, Helder Araújo: Issues on the Geometry of Central Catadioptric Image Formation. CVPR (2) 2001: 422-427
15		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)
14		Helder Araújo, Jorge Dias: Intelligent Robotic Systems - SIRS'99. Robotics and Autonomous Systems 35(3-4): 127-130 (2001)
13		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)
	2000
12		Jorge Batista, Paulo Peixoto, Helder Araújo: Binocular Tracking and Accommodation Controlled by Retinal Motion Flow. ICPR 2000: 1171-1174
11		Paulo Peixoto, J. Gonçalves, H. Antunes, Jorge Batista, Helder Araújo: A Surveillance System Integrating Visual Telepresence. ICPR 2000: 4098-4101
10		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
9		Jorge Batista, Paulo Peixoto, Helder Araújo: A Focusing-by-Vergence System Controlled by Retinal Motion Disparity. ICRA 2000: 3209-3214
8		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)
	1999
7		João P. Barreto, Paulo Peixoto, Jorge Batista, Helder Araújo: Improving 3D Active Visual Tracking. ICVS 1999: 412-431
6		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
5		Jorge Batista, Helder Araújo, Anibal T. de Almeida: Iterative Multi-Step Explicit Camera Calibration. ICCV 1998: 709-714
4		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)
	1997
3		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)
	1995
2		Jorge Dias, Carlos Paredes, I. Fonseca, Helder Araújo, Jorge Batista, Anibal T. de Almeida: Simulating Pursuit with Machines Experiments with Robots and Artificial Vision. ICRA 1995: 472-477
1		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

Coauthor Index

1	Anibal T. de Almeida	[1] [2] [5] [6]
2	H. Antunes	[11]
3	Xavier Armangué	[18] [22]
4	Joán P. Barreto	[47]
5	João Pedro Barreto (João P. Barreto, João Barreto)	[7] [10] [16] [20] [23] [24] [28] [31] [43]
6	Jorge Batista	[2] [3] [5] [6] [7] [8] [9] [10] [11] [12] [13] [15] [48]
7	José Braz	[27]
8	Christopher M. Brown	[4]
9	Rodrigo L. Carceroni	[4]
10	Marina Carvalho	[27]
11	Rui Caseiro	[42] [43] [47]
12	Jorge Dias	[1] [2] [3] [14]
13	Bruno Encarnação	[27] [32]
14	Fernanda da C. e C. Faria	[48]
15	I. Fonseca	[2]
16	J. Gonçalves	[11]
17	Nuno Gonçalves	[19] [21] [25] [26] [33] [41]
18	Peter König	[42]
19	Nuno Martins	[30] [38]
20	Ana Maria Mendonça	[44]
21	Paulo Menezes	[1]
22	Pedro Miraldo	[49]
23	Carlos Paredes	[2] [3]
24	António Paulino	[15] [17]
25	Paulo Peixoto	[6] [7] [8] [9] [11] [12] [13]
26	Luis Perdigoto	[43] [47]
27	Armando J. Pinho	[44]
28	Joao Queiro	[49]
29	Alpesh Ranchordas	[32] [34] [35] [36] [39] [40] [45] [46]
30	Joaquim Salvi	[18] [22]
31	M. Inés Torres (Inés Torres)	[44]
32	Alves Vieira	[27]
33	Jordi Vitrià	[34] [35] [36]
34	Hong Wang	[29]
35	Niklas Wilming	[42]
36	Felix Wolfsteller	[42]
37	João Xavier	[37] [42]
38	Qian Yu	[29]

Colors in the list of coauthors

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