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Identificação

Identificação pessoal

Nome completo
Hélder de Jesus Araújo

Nomes de citação

  • Helder Araujo

Identificadores de autor

Ciência ID
0113-BEDC-6524
ORCID iD
0000-0002-9544-424X

Domínios de atuação

  • Ciências da Engenharia e Tecnologias - Engenharia Eletrotécnica, Eletrónica e Informática - Robótica
Projetos

Bolsa

Designação Financiadores
2019/01/15 - 2021/09/30 Collaborative Robotic Mobile Manipulation of Deformable Objects in Industrial Applications
SOE2/P1/F0638
Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
 European Regional Development Fund
Concluído

Projeto

Designação Financiadores
2021/03/01 - Atual Robots Tele-Autónomos para Aplicações de Valor Acrescentado em Cuidados de Saúde
PTDC/EEI-ROB/1155/2020
Associação do Instituto Superior Técnico para a Investigação e Desenvolvimento, Portugal

Laboratório de Robótica e Sistemas de Engenharia, Portugal
Fundação para a Ciência e a Tecnologia
Em curso
2016/06/15 - 2019/12/14 VisArthro: Computer Vision For Computer Aided Arthroscopy
PTDC/EEI-AUT/3024/2014
Unidade Local de Saúde de Coimbra EPE, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
2011/01/15 - 2014/10/14 Cirurgia Tele-Robótica com Compensação Automática dos Movimentos Fisiológicos
PTDC/EEA-CRO/110008/2009
Centro Hospitalar e Universitario de Coimbra EPE Campus dos Hospitais da Universidade de Coimbra, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
2011/01/01 - 2013/12/31 Projecto Estratégico - UI 4029 - 2011-2012
PEst-C/ECI/UI4029/2011
Universidade do Minho, Portugal

Universidade de Coimbra, Portugal

Instituto para a Sustentabilidade e Inovação em Estruturas de Engenharia, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2010/04/01 - 2013/09/30 UniProjection - Unified Projection Model of Non SVP Systems - Application to Endoscopy and Graphics
PTDC/EIA-CCO/109120/2008
Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
2010/02/15 - 2013/08/14 MORFEU--Frota Robótica Multiobjectivo para Comunicação Eficiente
PTDC/EEA-CRO/108348/2008
Universidade de Coimbra, Portugal

Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2011/01/01 - 2012/12/31 Projecto Estratégico - UI 48 - 2011-2012
PEst-C/EEI/UI0048/2011
Universidade de Coimbra, Portugal

Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2007/10/01 - 2011/03/31 ArthroNav - Computer Assisted Navigation in Orthopedic Surgery using Endoscopic Images
PTDC/EEA-ACR/68887/2006
Universidade de Coimbra, Portugal

Centro Hospitalar e Universitario de Coimbra EPE Campus dos Hospitais da Universidade de Coimbra, Portugal

Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2005/10/01 - 2008/09/30 GESTINTERACT--Interpretação de Gestos para a Análise de Interacções Homens/Robots/Homens
POSC/EEA-SRI/61911/2004
Universidade de Lisboa Instituto Superior Técnico, Portugal

Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2005/06/01 - 2008/06/30 AI_FI - Advanced Interaction using Facial Information
POSC/EEA-SRI/61150/2004
Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
2005/06/01 - 2008/05/31 MTDTS04 - Detecção e Seguimento de Múltiplos Alvos em Ambientes Exteriores Semi-estruturados usando Laser e Visão
POSC/EEA-SRI/58279/2004
Instituto Politécnico de Tomar, Portugal

Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
Fundação para a Ciência e a Tecnologia
Concluído
2005/09/01 - 2008/02/29 HCOGICOS - Human Computer Gesture Interface for Collaborative Scenarios
POSC/EEA-SRI/61451/2004
Universidade de Coimbra Instituto de Sistemas e Robótica, Portugal
 Fundação para a Ciência e a Tecnologia
Concluído
Produções

Publicações

Artigo em conferência
  1. Nahid Nazifi; Helder Araujo; Erabati, Gopi Krishna; Tahri, Omar. "Self-supervised monocular pose and depth estimation for wireless capsule endoscopy using transformers". Trabalho apresentado em SPIE Medical Imaging: Image-Guided Procedures, Robotic Interventions, and Modeling, San Diego, 2024.
  2. Curto, Eva; Helder Araujo. "3D Motion Estimation of Volumetric Deformable Objects from RGB-D Images Synthetically Generated by a Multi-Camera System". Trabalho apresentado em Robot2023: Sixth Iberian Robotics Conference, 2023.
    No prelo
  3. Vmashi Kodipaka; Marques, Lino; Helder Araujo; Cortesão, Rui. "APH-Yolov7t: Yolov7-tiny with Attention Prediction Head for Person Detection on Drone-Captured Search and Rescue Scenarios". Trabalho apresentado em Robot2023: Sixth Iberian Robotics Conference, 2023.
    No prelo
  4. Oscar Ferraz; Helder Araujo; Vitor Silva; Gabriel Falcao. "Benchmarking Convolutional Neural Network Inference on Low-Power Edge Devices". 2023.
    10.1109/icassp49357.2023.10095003
  5. Erabati, Gopi Krishna; Araujo, Helder. "Li3DeTr: A LiDAR based 3D Detection Transformer". 2023.
    10.1109/WACV56688.2023.00423
  6. Marina Oliveira; Helder Araujo. "Local Forward-Motion Panoramic Views for Localization and Lesion Detection for Multi-Camera Wireless Capsule Endoscopy Videos". 2023.
    10.5220/0011626600003414
  7. Cuiral-Zueco, Ignacio; Lopez-Nicolas, Gonzalo; Araujo, Helder. "Gripper positioning for object deformation tasks". 2022.
    10.1109/ICRA.46639.2022.9812304
  8. GK Erabati; Helder Araujo. "MOSNet: A light-weight Moving Object Segmentation Network for Autonomous Driving". Trabalho apresentado em Proceedings of 27th Portuguese Conference on Pattern Recognition, RECPAD 2021, 2021.
    Publicado
  9. Helder Araujo. "3D Reconstruction of Deformable Objects from RGB-D Cameras: An Omnidirectional Inward-facing Multi-camera System". 2021.
    10.5220/0010347305440551
  10. Helder Araujo. "Intel RealSense SR305, D415 and L515: Experimental Evaluation and Comparison of Depth Estimation". 2021.
    10.5220/0010254203620369
  11. Erabati, Gopi Krishna; Araujo, Helder. "SL3D - Single Look 3D Object Detection based on RGB-D Images". Trabalho apresentado em DICTA 2020: Digital Image Computing: Techniques and Applications, 2020.
    10.1109/dicta51227.2020.9363404
  12. Erabati, Gopi Krishna; Gonçalves, Nuno; Helder Araujo. "Object Detection in Traffic Scenarios-A Comparison of Traditional and Deep Learning Approaches". Trabalho apresentado em 9th International Conference on Advanced Information Technologies and Applications (ICAITA 2020), Toronto, 2020.
    Publicado
  13. Helder Araujo. "Dynamic Obstacle Detection in Traffic Environments". 2019.
    10.1145/3349801.3357134
  14. Soares, Jastin Pompeu; Seoane Santos, Miriam; Abreu, Pedro Henriques; Helder Araujo; João Santos. "Exploring the Effects of Data Distribution in Missing Data Imputation". Trabalho apresentado em 17th International Symposium on Intelligent Data Analysis IDA 2018, 2018.
    Publicado
  15. Turan, Mehmet; Almalioglu, Yasin; Ornek, Evin Pinar; Araujo, Helder; Yanik, Mehmet Fatih; Sitti, Metin. "Magnetic- Visual Sensor Fusion-based Dense 3D Reconstruction and Localization for Endoscopic Capsule Robots". 2018.
    10.1109/iros.2018.8594485
  16. Helder Araujo. "EndoSensorFusion: Particle Filtering-Based Multi-Sensory Data Fusion with Switching State-Space Model for Endoscopic Capsule Robots". 2018.
    10.1109/ICRA.2018.8460472
  17. Nuno Gonçalves; Helder Araujo. "Partial Calibration and Mirror Shape Recovery for Non-central Catadioptric Systems". Trabalho apresentado em OMNIVIS¿05 ¿ The 6th Workshop on Omnidirectional Vision, Camera Networks and Non-Classical Cameras, 2005.
    10.1109/icpr.2014.363
  18. Nuno Gonçalves; Helder Araujo. "Estimating Parameters of Non-Central Catadioptric Systems Using Bundle Adjustment". Trabalho apresentado em OMNIVIS¿05 ¿ The 6th Workshop on Omnidirectional Vision, Camera Networks and Non-Classical Cameras, 2005.
  19. Nuno Gonçalves; Helder Araujo. "Mirror shape recovery from image curves and intrinsic parameters: Rotationally symmetric and conic mirrors". Trabalho apresentado em OMNIVIS2003 workshop, 2003.
  20. Nuno Gonçalves; Helder Araujo. "Uncertainty Propagation in Estimation of Partial 3D Velocity". Trabalho apresentado em MED2002 (10th Mediterranean Conference on Control and Automation), 2002.
  21. Nuno Gonçalves; Helder Araujo. "Analysis of Two Methods for Estimation of Partial 3D Velocity". Trabalho apresentado em Symposium on Intelligent Robotic Systems - SIRS2001, 2001.
  22. Nuno Gonçalves; Helder Araujo. "A Study on Static Gaits for a Four Legged Robot". Trabalho apresentado em CONTROL¿2000, 2000.
  23. Paulino, António; Helder Araujo; Batista, Jorge. "Controlling Robots in Geometric Formation using Vision". Trabalho apresentado em MVIP 00, 2000.
    Publicado
  24. Paulino, António; Helder Araujo. "Multiple robots in geometric formation: Control structure and sensing". Trabalho apresentado em SIRS 2000, Reading, 2000.
  25. Menezes, Paulo; Jorge Manuel Miranda Dias; Helder Araujo; Almeida, Aníbal. "Using Sonar Sensors to Perform Obstacle Detectio". Trabalho apresentado em 1er Colloque International Produtique Robotique du Sud Europe Atlantique, Bourges, 1995.
    Publicado
  26. Menezes, Paulo; Jorge Manuel Miranda Dias; Helder Araujo; Almeida, Aníbal. "Low Cost Sensor Based Obstacle Detection and Description". Trabalho apresentado em ISER'95 - Fourth International Symposium on Experimental Robotics, Palo Alto, 1995.
    Publicado
  27. Menezes, Paulo; Helder Araujo. "Obstacle Detection in Mobile Robots Using Sonar Data". Trabalho apresentado em Encontro Português de Controlo Automático - Controlo 94, Lisboa, 1994.
    Publicado
Artigo em revista
  1. Gopi Krishna Erabati; Helder Araujo. "DDet3D: embracing 3D object detector with diffusion". Applied Intelligence (2025): http://dx.doi.org/10.1007/s10489-024-06045-1.
    10.1007/s10489-024-06045-1
  2. Gopi Krishna Erabati; Helder Araujo. "RetSeg3D: Retention-based 3D semantic segmentation for autonomous driving". Computer Vision and Image Understanding (2025): http://dx.doi.org/10.1016/j.cviu.2024.104231.
    10.1016/j.cviu.2024.104231
  3. Gopi Krishna Erabati; Helder Araujo. "SRFDet3D: Sparse Region Fusion based 3D Object Detection". Neurocomputing (2024): https://doi.org/10.1016/j.neucom.2024.127814.
    10.1016/j.neucom.2024.127814
  4. Gopi Krishna Erabati; Helder Araujo. "DeLiVoTr: Deep and light-weight voxel transformer for 3D object detection". Intelligent Systems with Applications (2024): http://dx.doi.org/10.1016/j.iswa.2024.200361.
    10.1016/j.iswa.2024.200361
  5. Salazar, Teresa; Gama, João; Helder Araujo; Abreu, Pedro Henriques. "Unveiling Group-Specific Distributed Concept Drift: A Fairness Imperative in Federated Learning". arXiv preprint (2024):
    Publicado
  6. Horovistiz, Ana; Marina Oliveira; Helder Araujo; Ana Lucia Horovistiz; Helder Araújo. "Computer vision-based solutions to overcome the limitations of wireless capsule endoscopy". Journal of Medical Engineering & Technology (2024): 242-261. https://www.tandfonline.com/doi/abs/10.1080/03091902.2024.2302025.
    Publicado • 10.1080/03091902.2024.2302025
  7. Gopi Krishna Erabati; Helder Araujo. "RetFormer: Embracing Point Cloud Transformer With Retentive Network". IEEE Transactions on Intelligent Vehicles (2024): https://doi.org/10.1109/TIV.2024.3417260.
    10.1109/TIV.2024.3417260
  8. Erabati, Gopi Krishna; Helder Araujo. "MSF3DDETR: Multi-Sensor Fusion 3D Detection Transformer for Autonomous Driving". arXiv preprint (2022): https://arxiv.org/abs/2210.15316.
    Publicado
  9. Eva Curto; Helder Araujo. "An Experimental Assessment of Depth Estimation in Transparent and Translucent Scenes for Intel RealSense D415, SR305 and L515". Sensors (2022): https://doi.org/10.3390/s22197378.
    10.3390/s22197378
  10. Curto, Eva; Araujo, Helder. "FITTING A NORMAL PROBABILITY DISTRIBUTION TO DEPTH ESTIMATIONS OF THREE REALSENSET RGB-D CAMERAS TESTED IN SCENES WITH TRANSPARENCY". XXIII ISPRS Congress, Commission I (2022): https://publons.com/wos-op/publon/64404029/.
    10.5194/ISPRS-ARCHIVES-XLVIII-2-W1-2022-59-2022
  11. Helder Araujo; Kutsev Bengisu Ozyoruk; Guliz Irem Gokceler; Gulfize Coskun; Kagan Incetan; Yasin Almalioglu; Faisal Mahmood; et al. "EndoSLAM Dataset and An Unsupervised Monocular Visual Odometry and Depth Estimation Approach for Endoscopic Videos". Medical Image Analysis (2021):
    Aceite para publicação
  12. Teresa Salazar; Miriam Seoane Santos; Helder Araujo; Pedro Henriques Abreu. "FAWOS: Fairness-Aware Oversampling Algorithm Based on Distributions of Sensitive Attributes". IEEE Access 9 (2021): 81370-81379. https://doi.org/10.1109/ACCESS.2021.3084121.
    10.1109/ACCESS.2021.3084121
  13. Marina Oliveira; Helder Araujo; Isabel N. Figueiredo; Luis Pinto; Eva Curto; Luis Perdigoto. "Registration of Consecutive Frames From Wireless Capsule Endoscopy for 3D Motion Estimation". IEEE Access 9 (2021): 119533-119545. https://publons.com/publon/48898948/.
    10.1109/ACCESS.2021.3108234
  14. Kutsev Bengisu Ozyoruk; Guliz Irem Gokceler; Gulfize Coskun; Kagan Incetan; Yasin Almalioglu; Faisal Mahmood; Curto, Eva; et al. "EndoSLAM Dataset and An Unsupervised Monocular Visual Odometry and Depth Estimation Approach for Endoscopic Videos: Endo-SfMLearner". arXiv preprint (2020): https://arxiv.org/abs/2006.16670.
    Publicado
  15. Mehmet Turan; Yasin Almalioglu; Hunter B. Gilbert; Faisal Mahmood; Nicholas J. Durr; Helder Araujo; Alp Eren Sari; Anurag Ajay; Metin Sitti. "Learning to Navigate Endoscopic Capsule Robots". IEEE Robotics and Automation Letters 4 3 (2019): 3075-3082. https://doi.org/10.1109/LRA.2019.2924846.
    10.1109/LRA.2019.2924846
  16. Figueiredo, Rui; Dehban, Atabak; Moreno, Plinio; Bernardino, Alexandre; Santos-Victor, Jose; Araujo, Helder. "A robust and efficient framework for fast cylinder detection". Robotics and Autonomous Systems (2019): https://publons.com/publon/2996191/.
    10.1016/J.ROBOT.2019.04.002
  17. Frazao, Ivo; Abreu, Pedro Henriques; Cruz, Tiago; Araujo, Helder; Simoes, Paulo. "Denial of Service Attacks: Detecting the Frailties of Machine Learning Algorithms in the Classification Process". Lecture Notes in Computer Science (2019): https://publons.com/wos-op/publon/21205540/.
    10.1007/978-3-030-05849-4_19
  18. Helder Araujo. "Cross-Validation for Imbalanced Datasets: Avoiding Overoptimistic and Overfitting Approaches [Research Frontier]". IEEE Computational Intelligence Magazine 13 4 (2018): 59-76.
  19. "Deep endovo: A recurrent convolutional neural network (rcnn) based visual odometry approach for endoscopic capsule robots". Neurocomputing 275 (2018): 1861-1870.
    10.1016/j.neucom.2017.10.014
  20. "On the advantages of foveal mechanisms for active stereo systems in visual search tasks". Autonomous Robots 42 2 (2018): 459-476.
    10.1007/s10514-017-9617-1
  21. "Biologically inspired computational modeling of motion based on middle temporal area". Journal of Behavioral Robotics 9 1 (2018): https://www.degruyter.com/view/journals/pjbr/9/1/article-p60.xml.
    10.1515/pjbr-2018-0005
  22. Turan, Mehmet; Pilavci, Yusuf Yigit; Ganiyusufoglu, Ipek; Araujo, Helder; Konukoglu, Ender; Sitti, Metin. "Sparse-then-dense alignment-based 3D map reconstruction method for endoscopic capsule robots". Machine Vision and Applications 29 2 (2017): 345-359. http://dx.doi.org/10.1007/s00138-017-0905-8.
    10.1007/s00138-017-0905-8
  23. Turan, Mehmet; Almalioglu, Yasin; Araujo, Helder; Konukoglu, Ender; Sitti, Metin. "A non-rigid map fusion-based direct SLAM method for endoscopic capsule robots". International Journal of Intelligent Robotics and Applications 1 4 (2017): 399-409. http://dx.doi.org/10.1007/s41315-017-0036-4.
    10.1007/s41315-017-0036-4
  24. Turan, Mehmet; Shabbir, Jahanzaib; Araujo, Helder; Konukoglu, Ender; Sitti, Metin. "A deep learning based fusion of RGB camera information and magnetic localization information for endoscopic capsule robots". International Journal of Intelligent Robotics and Applications 1 4 (2017): 442-450. http://dx.doi.org/10.1007/s41315-017-0039-1.
    10.1007/s41315-017-0039-1
  25. Hosseini, S. Jafar; Araujo, Helder. "Patch-based reconstruction of surfaces undergoing different types of deformations". Signal, Image and Video Processing 11 7 (2017): 1229-1236. http://dx.doi.org/10.1007/s11760-017-1079-6.
    Publicado • 10.1007/s11760-017-1079-6
  26. Figueiredo, Rui; Avelino, Joao; Dehban, Atabak; Bernardino, Alexandre; Lima, Pedro; Araujo, Helder. "Efficient Resource Allocation for Sparse Multiple Object Tracking". PROCEEDINGS OF THE 12TH INTERNATIONAL JOINT CONFERENCE ON COMPUTER VISION, IMAGING AND COMPUTER GRAPHICS THEORY AND APPLICATIONS (VISIGRAPP), VOL 6 (2017): https://publons.com/publon/19269209/.
    10.5220/0006173103000307
  27. Dias-da-Costa, D.; Valença, J.; Júlio, E.; Araújo, H.. "Crack propagation monitoring using an image deformation approach". Structural Control and Health Monitoring 24 10 (2016): e1973. http://dx.doi.org/10.1002/stc.1973.
    10.1002/stc.1973
  28. Cardoso, Joao; Miraldo, Pedro; Araujo, Helder. "Plucker Correction Problem: Analysis and Improvements in Efficiency". Proceedings - International Conference on Pattern Recognition (2016): https://publons.com/publon/15280264/.
  29. Penne, Rudi; Raposo, Carolina; Mertens, Luc; Ribbens, Bart; Araujo, Helder. "Investigating new calibration methods without feature detection for TOF cameras". Image and Vision Computing (2015): https://publons.com/publon/15280265/.
    10.1016/J.IMAVIS.2015.09.001
  30. Miraldo, Pedro; Araujo, Helder. "Pose Estimation for Non-Central Cameras Using Planes". Journal of Intelligent & Robotic Systems (2015): https://publons.com/publon/18833549/.
    10.1007/S10846-015-0193-3
  31. Hosseini, S. Jafar; Araujo, Helder. "A ToF-Aided Approach to 3D Mesh-Based Reconstruction of Isometric Surfaces". Lecture Notes in Computer Science (2015): https://publons.com/publon/27087764/.
    10.1007/978-3-319-25530-9_10
  32. Araujo, Helder F.; Kaplan, Jonas; Damasio, Hanna; Damasio, Antonio. "Neural correlates of different self domains". Brain and Behavior (2015): https://publons.com/publon/1567287/.
    10.1002/BRB3.409
  33. Aliakbarpour, Hadi; Tahri, Omar; Araujo, Helder. "Visual servoing of mobile robots using non-central catadioptric cameras". (2014): http://hdl.handle.net/10316/27931.
  34. Araujo, Helder F.; Kaplan, Jonas; Damasio, Hanna; Damasio, Antonio. "Involvement of cortical midline structures in the processing of autobiographical information". PeerJ (2014): https://publons.com/publon/3060284/.
    10.7717/PEERJ.481
  35. Valenca, J.; Dias-da-Costa, D.; Julio, E.; Araujo, H.; Costa, H.. "Automatic crack monitoring using photogrammetry and image processing". Measurement 46 1 (2013): 433-441. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000313155700047&KeyUID=WOS:000313155700047.
    10.1016/j.measurement.2012.07.019
  36. Tahri, O.; Araujo, H.; Chaumette, F.; Mezouar, Y.; Tahri, Omar; Araujo, Helder; Chaumette, François; Mezouar, Youcef. "Robust image-based visual servoing using invariant visual information". Robotics and Autonomous Systems 61 12 (2013): 1588-1600. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887246648&partnerID=MN8TOARS.
    10.1016/j.robot.2013.06.010
  37. Aliakbarpour, H.; Tahri, O.; Araujo, H.. "Image-based servoing of non-holonomic vehicles using non-central catadioptric cameras". 9th International Workshop on Robot Motion and Control, RoMoCo 2013 - Workshop Proceedings (2013): 54-59. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887279708&partnerID=MN8TOARS.
    10.1109/RoMoCo.2013.6614584
  38. Valença, J.; Dias-da-Costa, D.; Gonçalves, L.; Júlio, E.; Araújo, H.. "Automatic concrete health monitoring: assessment and monitoring of concrete surfaces". Structure and Infrastructure Engineering (2013): http://www.scopus.com/inward/record.url?eid=2-s2.0-84884561292&partnerID=MN8TOARS.
    10.1080/15732479.2013.835326
  39. Miraldo, P.; Araujo, H.. "Calibration of smooth camera models". IEEE Transactions on Pattern Analysis and Machine Intelligence 35 9 (2013): 2091-2103. http://www.scopus.com/inward/record.url?eid=2-s2.0-84880793966&partnerID=MN8TOARS.
    10.1109/TPAMI.2012.258
  40. Perdigoto, L.; Araujo, H.; Perdigoto, Luis; Araujo, Helder. "Calibration of mirror position and extrinsic parameters in axial non-central catadioptric systems". Computer Vision and Image Understanding 117 8 (2013): 909-921. http://www.scopus.com/inward/record.url?eid=2-s2.0-84878649962&partnerID=MN8TOARS.
    10.1016/j.cviu.2013.04.001
  41. Tahri, Omar; Araujo, Helder; Mezouar, Youcef; Chaumette, Francois. "Efficient decoupled pose estimation from a set of points". IEEE International Conference on Intelligent Robots and Systems (2013): https://publons.com/publon/27087765/.
    10.1109/IROS.2013.6696564
  42. Araujo, Helder F.; Kaplan, Jonas; Damasio, Antonio. "Cortical midline structures and autobiographical-self processes: an activation-likelihood estimation meta-analysis". Frontiers in Human Neuroscience (2013): https://publons.com/publon/12528/.
    10.3389/FNHUM.2013.00548
  43. Faria, Fernanda da C. e C.; Batista, Jorge; Araujo, Helder. "Stereoscopic Depth Perception Using a Model Based on the Primary Visual Cortex". Plos One (2013): https://publons.com/publon/6397339/.
    10.1371/JOURNAL.PONE.0080745
  44. Perdigoto, L.; Araujo, H.. "Reconstruction of 3D lines from a single axial catadioptric image using cross-ratio". Proceedings - International Conference on Pattern Recognition (2012): 857-860. http://www.scopus.com/inward/record.url?eid=2-s2.0-84874567372&partnerID=MN8TOARS.
  45. Valença, J.; Júlio, E.N.B.S.; Araújo, H.J.. "Applications of photogrammetry to structural assessment". Experimental Techniques 36 5 (2012): 71-81. http://www.scopus.com/inward/record.url?eid=2-s2.0-84867676363&partnerID=MN8TOARS.
    10.1111/j.1747-1567.2011.00731.x
  46. Barreto, J.P.; Perdigoto, L.; Caseiro, R.; Araujo, H.. "Active stereo tracking of N = 3 targets using line scan cameras". IEEE Transactions on Robotics 26 3 (2010): 442-457. http://www.scopus.com/inward/record.url?eid=2-s2.0-77953231316&partnerID=MN8TOARS.
    10.1109/TRO.2010.2047300
  47. Narotam Ranchordas, A.; Pereira, J.M.; Araújo, H.J.; Tavares, J.M.R.S.; Ranchordas, A.; Braz, J.; Araújo, H.. "Communications in Computer and Information Science: Preface". Communications in Computer and Information Science 68 CCIS (2010): http://www.scopus.com/inward/record.url?eid=2-s2.0-77957581425&partnerID=MN8TOARS.
    10.1007/978-3-540-89682-1
  48. Perdigoto, L; Barreto, JP; Caseiro, R; Araujo, H; Perdigoto, L.; Barreto, J. P.; Caseiro, R.; et al. "Active Stereo Tracking of Multiple Free-Moving Targets". Cvpr: 2009 Ieee Conference on Computer Vision and Pattern Recognition, Vols 1-4 (2009): 1494-1501. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000279038001001&KeyUID=WOS:000279038001001.
    10.1109/CVPRW.2009.5206708
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  67. Yu, Qian; Araújo, Helder; Wang, Hong. "A Stereovision Method for Obstacle Detection and Tracking in Non-Flat Urban Environments". (2005): http://hdl.handle.net/10316/7635.
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Capítulo de livro
  1. Helder Jesus ARAÚJO; Pedro MIRALDO; Nathan CROMBEZ. "Localization and Navigation with Omnidirectional Images". 159-218. John Wiley & Sons, Ltd, 2024.
    10.1002/9781394256440.ch6
  2. Marina Oliveira; Helder Araujo. "Towards Robust Homography Estimation for Forward-Motion Panorama for Multi-camera Wireless Capsule Endoscopy Videos". 2024.
    10.1007/978-3-031-67088-6_1
  3. Gopi Krishna Erabati; Helder Araujo. "DAFDeTr: Deformable Attention Fusion Based 3D Detection Transformer". 2024.
    10.1007/978-3-031-59057-3_19
  4. Teresa Salazar; Miguel Fernandes; Helder Araújo; Pedro Henriques Abreu. "FAIR-FATE: Fair Federated Learning with Momentum". 2023.
    10.1007/978-3-031-35995-8_37
  5. Figueiredo, Isabel N.; Pinto, Luís; Perdigoto, Luís; Oliveira, Marina; Araújo, Hélder; Figueiredo, Pedro N.. "Wireless Capsule Endoscope Location and a Robotic Validation Experiment". In XV Mediterranean Conference on Medical and Biological Engineering and Computing – MEDICON 2019, 1361-1365. Springer International Publishing, 2019.
    10.1007/978-3-030-31635-8_166
  6. Tahri, O.; Araujo, H.; Ieee,; Robotics Society of, Japan. "Non-Central Catadioptric Cameras Visual Servoing for Mobile Robots using a Radial Camera Model". In IEEE International Conference on Intelligent Robots and Systems, 1683-1688. 2012.
    10.1109/IROS.2012.6385668
  7. Faria, Fdec; Batista, J.; Araujo, H.; Batista, J; Araujo, H; CamarinhaMatos, LM; Pereira, P; et al. "Bio-inspired Binocular Disparity with Position-Shift Receptive Field". In IFIP Advances in Information and Communication Technology, editado por CamarinhaMatos, L. M.; Pereira, P.; Ribeiro, L., 351-358. 2010.
    10.1007/978-3-642-11628-5_38
  8. Tahri, O.; Mezouar, Y.; Chaumette, F.; Araujo, H.. "Visual Servoing and Pose Estimation with Cameras Obeying the Unified Model". In Lecture Notes in Control and Information Sciences, editado por Chesi, G.; Hashimoto, K., 231-250. 2010.
    10.1007/978-1-84996-089-2_13
  9. Martins, N.; Araujo, H.. "Calibration and Pose Estimation of a Pox-slits Camera from a Single Image". editado por Bebis, G.; Boyle, R.; Parvin, B.; Koracin, D.; Remagnino, P.; Porikli, F.; Peters, J.; et al, 460-469. 2008.
  10. Xavier, J.; Araujo, H.. "The Experimental Robotics Framework". editado por Carpin, S.; Noda, I.; Pagello, E.; Reggiani, M.; VonStryk, O., 207-221. 2008.
  11. Goncalves, N.; Araujo, H.; Ieee,. "Linear solution for the pose estimation of noncentral catadioptric systems". 2859-2865. 2007.
  12. Goncalves, N.; Araujo, H.. "Rigid motion estimation from non-central catadioptric images". editado por Kittler, J.; Petrou, M.; Nixon, M., 268-271. 2004.
    10.1109/icpr.2004.1333755
  13. Peixoto, P.; Batista, J.; Araujo, H.; de Almeida, A. T.. "Combination of several vision sensors for interpretation of human actions". editado por Corke, P.; Trevelyan, J., 519-528. 2000.
    10.1007/BFB0119429
Entrada de enciclopédia
  1. Helder Araujo. "Omnidirectional Vision". In Encyclopedia of Robotics. Springer Berlin Heidelberg, 2020. https://doi.org/10.1007/978-3-642-41610-1_101-1.
    Publicado • 10.1007/978-3-642-41610-1_101-1
Livro
  1. Miraldo, Pedro; Araujo, Helder; Queiro, Joao; Ieee,; Miraldo, P.; Araujo, H.; Queiró, J.. Point-based Calibration Using a Parametric Representation of the General Imaging Model. 2011.
    10.1109/ICCV.2011.6126511
  2. Wilming, N.; Wolfsteller, F.; Konig, P.; Caseiro, R.; Xavier, J.; Araujo, H.; Insticc,. ATTENTION MODELS FOR VERGENCE MOVEMENTS BASED ON THE JAMF FRAMEWORK AND THE POPEYE ROBOT. 2009.
  3. Martins, N; Araujo, H; Bebis, G; Boyle, R; Parvin, B; Koracin, D; Remagnino, P; et al. Calibration and Pose Estimation of a Pox-slits Camera from a Single Image. 2008.
  4. Xavier, J; Araujo, H; Carpin, S; Noda, I; Pagello, E; Reggiani, M; VonStryk, O. The Experimental Robotics Framework. 2008.
  5. Araujo, H. J.. Active vision systems and catadioptric vision systems for robotic applications. 2007.
  6. Araujo, H. J.. Active vision systems and catadioptric vision systems for robotic applications. 2007.
  7. Martins, N; Araujo, H; Marques, JS; PerezdelaBlanca, N; Pina, P. A calibration algorithm for POX-slits camera. 2005.
    10.1007/11492429_21
  8. Goncalves, N; Araujo, H; Kittler, J; Petrou, M; Nixon, M. Rigid motion estimation from non-central catadioptric images. 2004.
    10.1109/ICPR.2004.1333755
  9. Goncalves, N; Araujo, H; Aloimonos, Y; Taubin, G. Projection model, 3D reconstruction and rigid motion estimation from non-central catadioptric images. 2004.
    10.1109/TDPVT.2004.1335221
  10. Goncalves, N.; Araujo, H.. Projection model, 3D reconstruction and rigid motion estimation from non-central catadioptric images. 2004.
  11. Yu, Q; Araujo, H; Wang, H; Nunes, U; deAalmeida, AT; Bejczy, AK; Kosuge, K; Macgado, JAT. Stereo-vision based real time obstacle detection for urban environments. 2003.
  12. Armangue, X; Araujo, H; Salvi, J; Kasturi, R; Laurendeau, D; Suen, C. Differential epipolar constraint in mobile robot egomotion estimation. 2002.
    10.1109/ICPR.2002.1048010
  13. Armangue, X. Differential epipolar constraint in mobile robot egomotion estimation. 2002.
  14. Peixoto, P; Goncalves, J; Araujo, H; Kasturi, R; Laurendeau, D; Suen, C. Real-time gesture recognition system based on contour signatures.. 2002.
  15. Goncalves, N; Araujo, H; Kasturi, R; Laurendeau, D; Suen, C. Estimation of 3D motion from stereo images - Differential and discrete formulations. 2002.
    10.1109/ICPR.2002.1044710
  16. Barreto, JP; Araujo, H; Heyden, A; Sparr, G; Nielsen, M; Johansen, P. Geometric properties of central catadioptric line images. 2002.
    10.1007/3-540-47979-1_16
  17. Barreto, JP. Geometric properties of central catadioptric line images. 2002.
  18. Paulino, A; Araujo, H; Kasturi, R; Laurendeau, D; Suen, C. Pose estimation for central catadioptric systems: an analytical approach. 2002.
    10.1109/ICPR.2002.1048034
  19. Barreto, JP; Araujo, H; Jacobs, A; Baldwin, T. Issues on the geometry of central catadioptric image formation. 2001.
    10.1109/CVPR.2001.990992
  20. Barreto, JP. Issues on the geometry of central catadioptric image formation. 2001.
  21. Peixoto, P; Goncalves, J; Antunes, H; Batista, J; Araujo, H; Sanfeliu, A; Villanueva, JJ; et al. A surveillance system integrating visual telepresence. 2000.
    10.1109/ICPR.2000.902873
  22. Batista, J; Peixoto, P; Araujo, H; Sanfeliu, A; Villanueva, JJ; Vanrell, M; Alquezar, R; Eklundh, JO; Aloimonos, Y. Binocular tracking and accommodation controlled by retinal motion flow. 2000.
    10.1109/ICPR.2000.905297
  23. Peixoto, P; Batista, J; Araujo, H; de Almeida, AT; Corke, P; Trevelyan, J. Combination of several vision sensors for interpretation of human actions. 2000.
    10.1007/BFB0119429
  24. Peixoto, P. Combination of several vision sensors for interpretation of human actions. 2000.
  25. Barreto, JP; Batista, J; Araujo, H; Sanfeliu, A; Villanueva, JJ; Vanrell, M; Alquezar, R; Crowley, J; Shirai, Y. Model predictive control to improve visual control of motion: Applications in active tracking of moving targets. 2000.
    10.1109/ICPR.2000.903021
  26. Peixoto, P; Batista, J; Araujo, H; Jain, AK; Venkatesh, S; Lovell, BC. A surveillance system combining peripheral and foveated motion tracking. 1998.
    10.1109/ICPR.1998.711208
  27. PEIXOTO, P; ARAUJO, H; Rogowitz, BE; Allebach, JP. STUDY OF TRANSPARENCY AND COHERENCE OF MOTION IN IMAGE SEQUENCES. 1994.
    10.1117/12.172689
  28. Dias, J.. USING AN ACTIVE VISION SYSTEM TO COMPUTE TIME-UNTIL-IMPACT. 1993.
    10.1109/iecon.1993.339330
  29. DIAS, J; ARAUJO, H; BATISTA, J; DEALMEIDA, A; SCHENKER, PS. DEPTH-PERCEPTION BY CONTROLLING FOCUS. 1992.
    10.1117/12.57924
Pré-impressão
  1. Vamshi Kodipaka; Lino Marques; Rui Cortesao; Helder Araujo. "TPH-YOLOv7t : A Boosted YOLO Transformer Prediction Head for Search and Rescue with Drones". 2024. http://dx.doi.org/10.21203/rs.3.rs-4150301/v1.
    10.21203/rs.3.rs-4150301/v1
Relatório
  1. Araujo, Helder; Queiró, João. 2012. Unique Solution for the Estimation of the Plucker Coordinates Using Radial Basis Functions. http://hdl.handle.net/10316/19077.
Tese / Dissertação
  1. Marques, Alexandre Azevedo. "Estimação da pose de objectos em imagens RGB-D utilizando aprendizagem automática". Mestrado, 2018. http://hdl.handle.net/10316/86531.
  2. Curto, Eva Raquel Belém. "Localização de cápsulas endoscópicas multi-câmara". Mestrado, 2018. http://hdl.handle.net/10316/86660.
  3. Mauricio, Emanuel Adelino Ferreira. "Localização de capsula endoscópica utilizando informação visual". Mestrado, 2018. http://hdl.handle.net/10316/86666.
  4. Costeira, Ivo Micael Frazão. "Applying machine learning techniques on the detection of cyber-physic attacks". Mestrado, 2018. http://hdl.handle.net/10316/86748.
  5. Torrado, Joel Möllering. "Modeling and Analysis of Energy Harvesting IoT Networks". Mestrado, 2018. http://hdl.handle.net/10316/86525.
  6. Costa, Daniel dos Santos. "Vegetation classification using UAV aerial imagery". Mestrado, 2017. http://hdl.handle.net/10316/82896.
  7. Soares, Jastin Pompeu. "Explorar diferentes estratégias de data mining aplicadas a dois problemas no pré-processamento de dados". Mestrado, 2017. http://hdl.handle.net/10316/83131.
  8. Lino, Pedro Jorge da Cruz. "The control of Baxter Robot, and its interaction with objects using force sensitive AR10 hands, guided by Kinect.". Mestrado, 2017. http://hdl.handle.net/10316/83030.
  9. Carvalheiro, Jonathan Mendes. "Desenvolvimento de um sistema visual e táctil para materiais deformáveis". Mestrado, 2016. http://hdl.handle.net/10316/40449.
  10. Perdigoto, Luís Miguel Ramos. "Calibration and Reconstruction in Non-Central Axial Catadioptric Systems". Doutoramento, 2015. http://hdl.handle.net/10316/27738.
  11. Ribeiro, António Pedro Pinto. "Odometria visual usando campos visuais não sobrepostos". Mestrado, 2015. http://hdl.handle.net/10316/40579.
  12. Gomes, Andre Teixeira. "Identificação e Reconhecimento de Pólipos em Imagens de Colonoscopia". Mestrado, 2014. http://hdl.handle.net/10316/40431.
  13. Dias, Luís António Pires. "Odometria Visual usando imagens RGB-D". Mestrado, 2013. http://hdl.handle.net/10316/41467.
  14. Gonçalves, Nuno Miguel Mendonça da Silva. "Noncentral catadioptric systems with quadric mirrors : geometry and calibration". Doutoramento, 2008. http://hdl.handle.net/10316/7558.
  15. Perdigoto, Luís Miguel Ramos. "Seguimento simultâneo de dois alvos usando um sistema de visão activa binocular". Mestrado, 2006. http://hdl.handle.net/10316/13953.
  16. Barreto, João Pedro de Almeida. "General central projection systems : modeling, calibration and visual servoing". Doutoramento, 2004. http://hdl.handle.net/10316/1916.
  17. Paulino, António Manuel de Brito. "Múltiplos robots móveis em formação geométrica : controlo e localização". Mestrado, 2004. http://hdl.handle.net/10316/13969.
  18. Peixoto, Paulo José Monteiro. "Monitorização de actividade humana em ambientes fechados". Doutoramento, 2003. http://hdl.handle.net/10316/1915.
  19. Gonçalves, Nuno Miguel Mendonça da Silva. "Estimação de movimento em sequência de imagens estéreo : comparação de métodos". Mestrado, 2002. http://hdl.handle.net/10316/13991.
  20. Freire, Sílvio Manuel Simões dos Reis. "Estudo sobre a determinação do movimento próprio de um observador em ambiente estático". Mestrado, 2002. http://hdl.handle.net/10316/13995.
  21. Batista, Jorge Manuel Moreira de Campos Pereira. "Sistemas de visão activa : comportamentos e calibração". Doutoramento, 1999. http://hdl.handle.net/10316/1911.
  22. Araújo, Hélder de Jesus. "Metodologias para a análise de texturas baseadas no conceito de memória associativa". Doutoramento, 1989. http://hdl.handle.net/10316/1908.
  23. Madeira, Paulo Sampaio de Abreu. "Metodologias para a classificação e segmentação de imagens a partir da sua textura". Mestrado, 1977. http://hdl.handle.net/10316/9869.