Metodologias para a análise de texturas baseadas no conceito de memória associativa - Helder Araújo (1989)

Depth recovery using active focus in robotics [vision]. - Jorge Dias 001; Aníbal T. de Almeida; Helder Araújo (IROS, 1991)

Improving camera calibration by using multiple frames in hand-eye robotic systems. - Jorge Dias 001; Aníbal T. de Almeida; Helder Araújo; Jorge Batista 001 (IROS, 1991)

Monoplanar Camera Calibration. - Jorge Batista 001; Jorge Dias 001; Helder Araújo; Anibal Traça-de-Almeida (BMVC, 1993)

Simulating Pursuit with Machines Experiments with Robots and Artificial Vision. - Jorge Dias 001; Carlos Paredes; Inácio Fonseca; Helder Araújo; Jorge P. Batista; Aníbal T. de Almeida (ICRA, 1995)

Low Cost Sensor Based Obstacle Deteciton and Description: Experiments with Mobile Robots using Grid Representation. - Paulo Menezes 001; Jorge Dias 001; Helder Araújo; Aníbal T. de Almeida (ISER, 1995)

Pursuit control in a binocular active vision system using optical flow. - Helder Araújo; Jorge Batista 001; Paulo Peixoto; Jorge Dias 001 (ICPR, 1996)

Pose view stability analysis for camera look angles computation. - Jorge Batista 001; Helder Araújo; Aníbal T. de Almeida (ICPR, 1996)

Real-time visual behaviors with a binocular active vision system. - Jorge Batista 001; Paulo Peixoto; Helder Araújo (ICRA, 1997)

Real-time vergence and binocular gaze control. - Jorge Batista 001; Paulo Peixoto; Helder Araújo (IROS, 1997)

Optical Normal Flow Estimation on Log-polar Images. A Solution for Real-Time Binocular Vision. - Jorge Dias 001; Helder Araújo; Carlos Paredes; Jorge Batista 001 (Real Time Imaging, 1997)

Iterative Multi-Step Explicit Camera Calibration. - Jorge Batista 001; Helder Araújo; Aníbal T. de Almeida (ICCV, 1998)

A surveillance system combining peripheral and foveated motion tracking. - Paulo Peixoto; Jorge Batista 001; Helder Araújo (ICPR, 1998)

Control performance issues in a binocular active vision system. - João Pedro Barreto 001; Paulo Peixoto; Jorge Batista 001; Helder Araújo (IROS, 1998)

A Fully Projective Formulation to Improve the Accuracy of Lowe's Pose-Estimation Algorithm. - Helder Araújo; Rodrigo L. Carceroni; Christopher M. Brown (Comput. Vis. Image Underst., 1998)

Simulating pursuit with machine experiments with robots and artificial vision. - Jorge Dias 001; Carlos Paredes; Inácio Fonseca; Helder Araújo; Jorge P. Batista; Aníbal T. de Almeida (IEEE Trans. Robotics Autom., 1998)

Improving 3D Active Visual Tracking. - João Pedro Barreto 001; Paulo Peixoto; Jorge Batista 001; Helder Araújo (ICVS, 1999)

Tracking multiple objects in 3D. - João Pedro Barreto 001; Paulo Peixoto; Jorge Batista 001; Helder Araújo (IROS, 1999)

Combination of Several Vision Sensors for Interpretation of Human Actions. - Paulo Peixoto; Jorge Batista 001; Helder Araújo; Aníbal T. de Almeida (ISER, 1999)

Iterative multistep explicit camera calibration. - Jorge P. Batista; Helder Araújo; Aníbal T. de Almeida (IEEE Trans. Robotics Autom., 1999)

Model Predictive Control to Improve Visual Control of Motion: Applications in Active Tracking of Moving Targets. - João Pedro Barreto 001; Jorge Batista 001; Helder Araújo (ICPR, 2000)

Binocular Tracking and Accommodation Controlled by Retinal Motion Flow. - Jorge Batista 001; Paulo Peixoto; Helder Araújo (ICPR, 2000)

A Surveillance System Integrating Visual Telepresence. - Paulo Peixoto; João Gonçalves; Hugo Antunes; Jorge Batista 001; Helder Araújo (ICPR, 2000)

A Focusing-by-Vergence System Controlled by Retinal Motion Disparity. - Jorge Batista 001; Paulo Peixoto; Helder Araújo (ICRA, 2000)

Integration of information from several vision systems for a common task of surveillance. - Paulo Peixoto; Jorge P. Batista; Helder Araújo (Robotics Auton. Syst., 2000)

Issues on the Geometry of Central Catadioptric Image Formation. - João Pedro Barreto 001; Helder Araújo (CVPR (2), 2001)

Maintaining the relative positions and orientations of multiple robots using vision. - António Paulino; Jorge P. Batista; Helder Araújo (Pattern Recognit. Lett., 2001)

Intelligent Robotic Systems - SIRS'99. - Helder Araújo; Jorge Dias 001 (Robotics Auton. Syst., 2001)

Real-time human activity monitoring exploring multiple vision sensors. - Paulo Peixoto; Jorge P. Batista; Helder Araújo (Robotics Auton. Syst., 2001)

Geometric Properties of Central Catadioptric Line Images. - João Pedro Barreto 001; Helder Araújo (ECCV (4), 2002)

Differential Epipolar Constraint in Mobile Robot Egomotion Estimation. - Xavier Armangué; Helder Araújo; Joaquim Salvi (ICPR (3), 2002)

Estimation of 3D Motion from Stereo Images- Differential and Discrete Formulations. - Nuno Gonçalves 001; Helder Araújo (ICPR (1), 2002)

Pose Estimation for Central Catadioptric Systems: An Analytical Approach. - António Paulino; Helder Araújo (ICPR (3), 2002)

Estimation of 3D motion from stereo images-uncertainty analysis and experimental results. - Nuno Gonçalves 001; Helder Araújo (IROS, 2002)

Direct Least Square Fitting of Paracatadioptric Line Images. - João Pedro Barreto 001; Helder Araújo (CVPR Workshops, 2003)

Mirror shape recovery from image curves and intrinsic parameters: Rotationally symmetric and conic mirrors. - Nuno Gonçalves 001; Helder Araújo (CVPR Workshops, 2003)

Paracatadioptric Camera Calibration Using Lines. - João Pedro Barreto 001; Helder Araújo (ICCV, 2003)

A review on egomotion by means of differential epipolar geometry applied to the movement of a mobile robot. - Xavier Armangué; Helder Araújo; Joaquim Salvi (Pattern Recognit., 2003)

Analysis and comparison of two methods for the estimation of 3D motion parameters. - Nuno Gonçalves 001; Helder Araújo (Robotics Auton. Syst., 2003)

Projection Model, 3D Reconstruction and Rigid Motion Estimation from Non-Central Catadioptric Images. - Nuno Gonçalves 001; Helder Araújo (3DPVT, 2004)

Rigid Motion Estimation from Non-Central Catadioptric Images. - Nuno Gonçalves 001; Helder Araújo (ICPR (4), 2004)

A General Framework for the Selection of World Coordinate Systems in Perspective and Catadioptric Imaging Applications. - João Pedro Barreto 001; Helder Araújo (Int. J. Comput. Vis., 2004)

A Calibration Algorithm for POX-Slits Camera. - Nuno Martins; Helder Araújo (IbPRIA (1), 2005)

A Stereovision Method for Obstacle Detection and Tracking in Non-Flat Urban Environments. - Qian Yu; Helder Araújo; Hong Wang 004 (Auton. Robots, 2005)

Geometric Properties of Central Catadioptric Line Images and Their Application in Calibration. - João Pedro Barreto 001; Helder Araújo (IEEE Trans. Pattern Anal. Mach. Intell., 2005)

Active vision systems and catadioptric vision systems for robotic applications. - Helder Araújo (CompIMAGE, 2006)

Fitting conics to paracatadioptric projections of lines. - João Pedro Barreto 001; Helder Araújo (Comput. Vis. Image Underst., 2006)

Linear solution for the pose estimation of noncentral catadioptric systems. - Nuno Gonçalves 001; Helder Araújo (ICCV, 2007)

Calibration and Pose Estimation of a Pox-slits Camera from a Single Image. - Nuno Martins; Helder Araújo (ISVC (2), 2008)

The Experimental Robotics Framework. - João Xavier; Helder Araújo (SIMPAR, 2008)

Active stereo tracking of multiple free-moving targets. - Luis Perdigoto; João Pedro Barreto 001; Rui Caseiro; Helder Araújo (CVPR, 2009)

Attention Models for Vergence Movements based on the JAMF Framework and the POPEYE Robot. - Niklas Wilming; Felix Wolfsteller; Peter König; Rui Caseiro; João Xavier; Helder Araújo (VISAPP (2), 2009)

Estimating parameters of noncentral catadioptric systems using bundle adjustment. - Nuno Gonçalves 001; Helder Araújo (Comput. Vis. Image Underst., 2009)

Bio-inspired Binocular Disparity with Position-Shift Receptive Field. - Fernanda da C. e C. Faria; Jorge P. Batista; Helder Araújo (DoCEIS, 2010)

Active Stereo Tracking of Nle 3 Targets Using Line Scan Cameras. - João Pedro Barreto 001; Luis Perdigoto; Rui Caseiro; Helder Araújo (IEEE Trans. Robotics, 2010)

Point-based calibration using a parametric representation of the general imaging model. - Pedro Miraldo; Helder Araújo; Joao Queiro (ICCV, 2011)

Reconstruction of 3D lines from a single axial catadioptric image using cross-ratio. - Luis Perdigoto; Helder Araújo (ICPR, 2012)

Non-central catadioptric cameras visual servoing for mobile robots using a radial camera model. - Omar Tahri; Helder Araújo (IROS, 2012)

Link quality estimation in wireless multi-hop networks using Kernel based methods. - David Palma 001; Helder Araújo; Marília Curado (Comput. Networks, 2012)

Efficient decoupled pose estimation from a set of points. - Omar Tahri; Helder Araújo; Youcef Mezouar; François Chaumette (IROS, 2013)

Image-based servoing of non-holonomic vehicles using non-central catadioptric cameras. - Hadi Aliakbarpour; Omar Tahri; Helder Araújo (RoMoCo, 2013)

Calibration of mirror position and extrinsic parameters in axial non-central catadioptric systems. - Luis Perdigoto; Helder Araújo (Comput. Vis. Image Underst., 2013)

Calibration of Smooth Camera Models. - Pedro Miraldo; Helder Araújo (IEEE Trans. Pattern Anal. Mach. Intell., 2013)

Robust image-based visual servoing using invariant visual information. - Omar Tahri; Helder Araújo; François Chaumette; Youcef Mezouar (Robotics Auton. Syst., 2013)

Multi-modal Sensors Path Merging. - Leo Baudouin; Youcef Mezouar; Omar Ait-Aider; Helder Araújo (IAS, 2014)

Structure from Motion - ToF-aided 3D Reconstruction of Isometric Surfaces. - S. Jafar Hosseini; Helder Araújo (ICPRAM, 2014)

A ToF-Aided Approach to 3D Mesh-Based Reconstruction of Isometric Surfaces. - S. Jafar Hosseini; Helder Araújo (ICPRAM (Selected Papers), 2014)

A simple and robust solution to the minimal general pose estimation. - Pedro Miraldo; Helder Araújo (ICRA, 2014)

Planar pose estimation for general cameras using known 3D lines. - Pedro Miraldo; Helder Araújo (IROS, 2014)

3D Estimation of Isometric Surfaces Using a ToF-Based Approach. - S. Jafar Hosseini; Helder Araújo (ISVC (2), 2014)

Visual servoing of mobile robots using non-central catadioptric cameras. - Hadi Aliakbarpour; Omar Tahri; Helder Araújo (Robotics Auton. Syst., 2014)

Efficient Iterative Pose Estimation Using an Invariant to Rotations. - Omar Tahri; Helder Araújo; Youcef Mezouar; François Chaumette (IEEE Trans. Cybern., 2014)

Generalized essential matrix: Properties of the singular value decomposition. - Pedro Miraldo; Helder Araújo (Image Vis. Comput., 2015)

Investigating new calibration methods without feature detection for TOF cameras. - Rudi Penne; Carolina Raposo; Luc Mertens; Bart Ribbens; Helder Araújo (Image Vis. Comput., 2015)

Pose Estimation for Non-Central Cameras Using Planes. - Pedro Miraldo; Helder Araújo (J. Intell. Robotic Syst., 2015)

Direct Solution to the Minimal Generalized Pose. - Pedro Miraldo; Helder Araújo (IEEE Trans. Cybern., 2015)

Pose Estimation for General Cameras Using Lines. - Pedro Miraldo; Helder Araújo; Nuno Gonçalves 001 (IEEE Trans. Cybern., 2015)

3D Estimation of Extensible Surfaces Through a Local Monocular Reconstruction Technique. - S. Jafar Hosseini; Helder Araújo (ACCV Workshops (2), 2016)

3D Reconstruction with Low Resolution, Small Baseline and High Radial Distortion Stereo Images. - Tiago J. Dias; Helder Araújo; Pedro Miraldo (ICDSC, 2016)

Plücker correction problem: Analysis and improvements in efficiency. - João R. Cardoso; Pedro Miraldo; Helder Araújo (ICPR, 2016)

From D-RGB-based reconstruction toward a mesh deformation model for monocular reconstruction of isometric surfaces. - S. Jafar Hosseini; Helder Araújo (EURASIP J. Image Video Process., 2016)

Estimation of mirror shape and extrinsic parameters in axial non-central catadioptric systems. - Luis Perdigoto; Helder Araújo (Image Vis. Comput., 2016)

Influence of Data Distribution in Missing Data Imputation. - Miriam Seoane Santos; Jastin Pompeu Soares; Pedro Henriques Abreu; Hélder Araújo; João A. M. Santos (AIME, 2017)

Shape-based attention for identification and localization of cylindrical objects. - Rui Figueiredo 001; Atabak Dehban; Alexandre Bernardino; José Santos-Victor; Helder Araújo (ICDL-EPIROB, 2017)

Efficient Resource Allocation for Sparse Multiple Object Tracking. - Rui Figueiredo 001; João Avelino; Atabak Dehban; Alexandre Bernardino; Pedro U. Lima; Helder Araújo (VISIGRAPP (6: VISAPP), 2017)

A Non-Rigid Map Fusion-Based RGB-Depth SLAM Method for Endoscopic Capsule Robots. - Mehmet Turan; Yasin Almalioglu; Helder Araújo; Ender Konukoglu; Metin Sitti (CoRR, 2017)

Six Degree-of-Freedom Localization of Endoscopic Capsule Robots using Recurrent Neural Networks embedded into a Convolutional Neural Network. - Mehmet Turan; Abdullah Abdullah; Redhwan Jamiruddin; Helder Araújo; Ender Konukoglu; Metin Sitti (CoRR, 2017)

A fully dense and globally consistent 3D map reconstruction approach for GI tract to enhance therapeutic relevance of the endoscopic capsule robot. - Mehmet Turan; Yusuf Yigit Pilavci; Redhwan Jamiruddin; Helder Araújo; Ender Konukoglu; Metin Sitti (CoRR, 2017)

SDP-based approach to monocular reconstruction of inextensible surfaces. - S. Jafar Hosseini; Helder Araújo (IET Comput. Vis., 2017)

A non-rigid map fusion-based direct SLAM method for endoscopic capsule robots. - Mehmet Turan; Yasin Almalioglu; Helder Araújo; Ender Konukoglu; Metin Sitti (Int. J. Intell. Robotics Appl., 2017)

A deep learning based fusion of RGB camera information and magnetic localization information for endoscopic capsule robots. - Mehmet Turan; Jahanzaib Shabbir; Helder Araújo; Ender Konukoglu; Metin Sitti (Int. J. Intell. Robotics Appl., 2017)

Patch-based reconstruction of surfaces undergoing different types of deformations. - S. Jafar Hosseini; Helder Araújo (Signal Image Video Process., 2017)

Denial of Service Attacks: Detecting the Frailties of Machine Learning Algorithms in the Classification Process. - Ivo Frazão; Pedro Henriques Abreu; Tiago Cruz 001; Hélder Araújo; Paulo Simões 001 (CRITIS, 2018)

EndoSensorFusion: Particle Filtering-Based Multi-Sensory Data Fusion with Switching State-Space Model for Endoscopic Capsule Robots. - Mehmet Turan; Yasin Almalioglu; Hunter Gilbert; Helder Araújo; A. Taylan Cemgil; Metin Sitti (ICRA, 2018)

Exploring the Effects of Data Distribution in Missing Data Imputation. - Jastin Pompeu Soares; Miriam Seoane Santos; Pedro Henriques Abreu; Hélder Araújo; João A. M. Santos (IDA, 2018)

Magnetic- Visual Sensor Fusion-based Dense 3D Reconstruction and Localization for Endoscopic Capsule Robots. - Mehmet Turan; Yasin Almalioglu; Evin Pinar Örnek; Helder Araújo; Mehmet Fatih Yanik; Metin Sitti (IROS, 2018)

On the advantages of foveal mechanisms for active stereo systems in visual search tasks. - Rui Pimentel de Figueiredo; Alexandre Bernardino; José Santos-Victor; Helder Araújo (Auton. Robots, 2018)

Cross-Validation for Imbalanced Datasets: Avoiding Overoptimistic and Overfitting Approaches [Research Frontier]. - Miriam Seoane Santos; Jastin Pompeu Soares; Pedro Henriques Abreu; Hélder Araújo; João A. M. Santos (IEEE Comput. Intell. Mag., 2018)

Deep EndoVO: A recurrent convolutional neural network (RCNN) based visual odometry approach for endoscopic capsule robots. - Mehmet Turan; Yasin Almalioglu; Helder Araújo; Ender Konukoglu; Metin Sitti (Neurocomputing, 2018)

Sparse-then-dense alignment-based 3D map reconstruction method for endoscopic capsule robots. - Mehmet Turan; Yusuf Yigit Pilavci; Ipek Ganiyusufoglu; Helder Araújo; Ender Konukoglu; Metin Sitti (Mach. Vis. Appl., 2018)

Biologically inspired computational modeling of motion based on middle temporal area. - Fernanda da C. e C. Faria; Jorge Batista 001; Helder Araújo (Paladyn J. Behav. Robotics, 2018)

Robustified Structure from Motion with rolling-shutter camera using straightness constraint. - Yizhen Lao; Omar Ait-Aider; Helder Araújo (Pattern Recognit. Lett., 2018)

Dynamic Obstacle Detection in Traffic Environments. - Gopi Krishna Erabati; Hélder Araújo (ICDSC, 2019)

Learning to Navigate Endoscopic Capsule Robots. - Mehmet Turan; Yasin Almalioglu; Hunter B. Gilbert; Faisal Mahmood 001; Nicholas J. Durr; Helder Araújo; Alp Eren Sari; Anurag Ajay; Metin Sitti (IEEE Robotics Autom. Lett., 2019)

A robust and efficient framework for fast cylinder detection. - Rui Figueiredo 001; Atabak Dehban; Plinio Moreno; Alexandre Bernardino; José Santos-Victor; Helder Araújo (Robotics Auton. Syst., 2019)

Cyber-security Modbus ICS dataset. - Ivo Frazão; Pedro H. Abreu; Tiago Cruz 001; Helder Araújo; Paulo Simões 001 (IEEE DataPort, 2019)

SL3D - Single Look 3D Object Detection based on RGB-D Images. - Gopi Krishna Erabati; Helder Araújo (DICTA, 2020)

Quantitative Evaluation of Endoscopic SLAM Methods: EndoSLAM Dataset. - Kutsev Bengisu Ozyoruk; Kagan Incetan; Gulfize Coskun; Guliz Irem Gokceler; Yasin Almalioglu; Faisal Mahmood 001; Nicholas J. Durr; Eva Curto; Luis Perdigoto; Marina Oliveira; Helder Araújo; Henrique Alexandrino; et al. (CoRR, 2020)

3D Reconstruction of Deformable Objects from RGB-D Cameras: An Omnidirectional Inward-facing Multi-camera System. - Eva Curto; Helder Araújo (VISIGRAPP (4: VISAPP), 2021)

Intel RealSense SR305, D415 and L515: Experimental Evaluation and Comparison of Depth Estimation. - Francisco Lourenço; Helder Araújo (VISIGRAPP (4: VISAPP), 2021)

Registration of Consecutive Frames From Wireless Capsule Endoscopy for 3D Motion Estimation. - Marina Oliveira; Helder Araújo; Isabel N. Figueiredo; Luís Pinto 002; Eva Curto; Luis Perdigoto (IEEE Access, 2021)

FAWOS: Fairness-Aware Oversampling Algorithm Based on Distributions of Sensitive Attributes. - Teresa Salazar; Miriam Seoane Santos; Helder Araújo; Pedro Henriques Abreu (IEEE Access, 2021)

EndoSLAM dataset and an unsupervised monocular visual odometry and depth estimation approach for endoscopic videos. - Kutsev Bengisu Ozyoruk; Guliz Irem Gokceler; Taylor L. Bobrow; Gulfize Coskun; Kagan Incetan; Yasin Almalioglu; Faisal Mahmood 001; Eva Curto; Luis Perdigoto; Marina Oliveira; Hasan Sahin; Helder Araújo; et al. (Medical Image Anal., 2021)

Gripper positioning for object deformation tasks. - Ignacio Cuiral-Zueco; Gonzalo López-Nicolás; Helder Araújo (ICRA, 2022)

MSF3DDETR: Multi-Sensor Fusion 3D Detection Transformer for Autonomous Driving. - Gopi Krishna Erabati; Helder Araújo (CoRR, 2022)

An Experimental Assessment of Depth Estimation in Transparent and Translucent Scenes for Intel RealSense D415, SR305 and L515. - Eva Curto; Helder Araújo (Sensors, 2022)

Local Forward-Motion Panoramic Views for Localization and Lesion Detection for Multi-Camera Wireless Capsule Endoscopy Videos. - Marina Oliveira; Hélder Araújo (BIOINFORMATICS, 2023)

Benchmarking Convolutional Neural Network Inference on Low-Power Edge Devices. - Oscar Ferraz; Helder Araújo; Vítor Silva 001; Gabriel Falcão Paiva Fernandes (ICASSP, 2023)

FAIR-FATE: Fair Federated Learning with Momentum. - Teresa Salazar; Miguel Fernandes; Helder Araújo; Pedro Henriques Abreu (ICCS (1), 2023)

3D Motion Estimation of Volumetric Deformable Objects from RGB-D Images Synthetically Generated by a Multi-camera System. - Eva Curto; Helder Araújo (ROBOT (1), 2023)

APH-YOLOv7t: A YOLO Attention Prediction Head for Search and Rescue with Drones. - Vamshi Kodipaka; Lino Marques; Rui Cortesão; Hélder Araújo (ROBOT (2), 2023)

Li3DeTr: A LiDAR based 3D Detection Transformer. - Gopi Krishna Erabati; Helder Araújo (WACV, 2023)

Study the Capacity of Deep Learning Techniques Information Generalization Using Capsule Endoscopic Images. - Ema Macedo; Helder Araújo; Pedro Henriques Abreu (ICPR (Workshops and Challenges, 5), 2024)

DAFDeTr: Deformable Attention Fusion Based 3D Detection Transformer. - Gopi Krishna Erabati; Helder Araújo (ROBOVIS, 2024)

Unveiling Group-Specific Distributed Concept Drift: A Fairness Imperative in Federated Learning. - Teresa Salazar; João Gama 001; Helder Araújo; Pedro Henriques Abreu (CoRR, 2024)

A Survey on Group Fairness in Federated Learning: Challenges, Taxonomy of Solutions and Directions for Future Research. - Teresa Salazar; Helder Araújo; Alberto Cano 001; Pedro Henriques Abreu (CoRR, 2024)

SRFDet3D: Sparse Region Fusion based 3D Object Detection. - Gopi Krishna Erabati; Helder Araújo (Neurocomputing, 2024)

DeLiVoTr: Deep and light-weight voxel transformer for 3D object detection. - Gopi Krishna Erabati; Helder Araújo (Intell. Syst. Appl., 2024)

RetSeg3D: Retention-based 3D semantic segmentation for autonomous driving. - Gopi Krishna Erabati; Helder Araújo (Comput. Vis. Image Underst., 2025)

DDet3D: embracing 3D object detector with diffusion. - Gopi Krishna Erabati; Hélder Araújo (Appl. Intell., 2025)