David Portugal

Publication Activity (10 Years)

Years Active: 2010-2024
Publications (10 Years): 34

Top Topics

Identity Management

Requirements Specification

Top Venues

UMAP (Adjunct Publication)

Publications

Afonso E. Carvalho, João Filipe Ferreira, David Portugal
3D traversability analysis and path planning based on mechanical effort for UGVs in forest environments. Robotics Auton. Syst. 171 (2024)
Marco Domingues, José N. Faria, David Portugal
Dimensioning payload size for fast retransmission of MQTT packets in the wake of network disconnections. EURASIP J. Wirel. Commun. Netw. 2024 (1) (2024)
Argyris Constantinides, José N. Faria, Taoufik Sousak, Pedro Martins, David Portugal, Marios Belk, Andreas Pitsillides, Christos Fidas
TRUSTID: Intelligent and Continuous Online Student Identity Management in Higher Education. UMAP (Adjunct Publication) (2023)
José Nuno Faria, David Portugal, Pedro Martins, Marios Belk, Argyris Constantinides, Andreas Pitsillides, Christos Fidas
Image-based Face Verification for Student Identity Management - the TRUSTID Case Study. UMAP (Adjunct Publication) (2023)
David Portugal, José N. Faria, Marco Domingues, Luís Gaspar
Integration of a Smart Bed Infrastructure with Hospital Information Systems using Fast Health Interoperability Resources: *A case study of the Wireless biOmonitoring stickers and smart bed architecture: toWards Untethered Patients (WoW) R&D Project. CCNC (2023)
João Filipe Ferreira, David Portugal, Maria Eduarda Andrada, Pedro Machado, Rui P. Rocha, Paulo Peixoto
Sensing and Artificial Perception for Robots in Precision Forestry: A Survey. Robotics 12 (5) (2023)
David Portugal, José N. Faria, Marios Belk, Pedro Martins, Argyris Constantinides, Anna Maria Pietron, Andreas Pitsillides, Nikolaos M. Avouris, Christos A. Fidas
Continuous user identification in distance learning: a recent technology perspective. Smart Learn. Environ. 10 (1) (2023)
Panagiotis T. Karfakis, Micael S. Couceiro, David Portugal
NR5G-SAM: A SLAM Framework for Field Robot Applications Based on 5G New Radio. Sensors 23 (11) (2023)
Mário P. Cristóvão, David Portugal, Afonso E. Carvalho, João Filipe Ferreira
A LiDAR-Camera-Inertial-GNSS Apparatus for 3D Multimodal Dataset Collection in Woodland Scenarios. Sensors 23 (15) (2023)
Luigi Freda, Tiago Novo, David Portugal, Rui P. Rocha
3D Multi-Robot Exploration with a Two-Level Coordination Strategy and Prioritization. CoRR (2023)
Afonso E. Carvalho, João Filipe Ferreira, David Portugal
3D Traversability Analysis in Forest Environments Based on Mechanical Effort. IAS (2022)
Panagiotis T. Karfakis, Micael S. Couceiro, David Portugal, Rui Cortesão
. SMC (2022)
Fernanda Famá, José N. Faria, David Portugal
An IoT-based interoperable architecture for wireless biomonitoring of patients with sensor patches. Internet Things 19 (2022)
M. Eduarda Andrada, João F. Ferreira, David Portugal, Micael S. Couceiro
Integration of an Artificial Perception System for Identification of Live Flammable Material in Forestry Robotics. SII (2022)
Christos Fidas, Marios Belk, David Portugal, Andreas Pitsillides
Privacy-preserving Biometric-driven Data for Student Identity Management: Challenges and Approaches. UMAP (Adjunct Publication) (2021)
Micael S. Couceiro, David Portugal, Rui P. Rocha, André G. Araújo
Fostering human-robot cooperative architectures for search and rescue missions in urban fires. Simul. 97 (3) (2021)
David Portugal, João Filipe Ferreira, Micael S. Couceiro
Requirements Specification and Integration Architecture for Perception in a Cooperative Team of Forestry Robots. TAROS (2020)
David Portugal, André G. Araújo, Micael S. Couceiro
A Reliable Localization Architecture for Mobile Surveillance Robots. SSRR (2020)
Micael S. Couceiro, David Portugal, João Filipe Ferreira, Rui P. Rocha
SEMFIRE: Towards a new generation of forestry maintenance multi-robot systems. SII (2019)
David Portugal, Paulo Alvito, Eleni Christodoulou, George Samaras, Jorge Dias
A Study on the Deployment of a Service Robot in an Elderly Care Center. Int. J. Soc. Robotics 11 (2) (2019)
Gonçalo S. Martins, João Filipe Ferreira, David Portugal, Micael S. Couceiro
MoDSeM: Towards Semantic Mapping with Distributed Robots. TAROS (2) (2019)
Munkenyi Mukhandi, David Portugal, Samuel Pereira, Micael S. Couceiro
A novel solution for securing robot communications based on the MQTT protocol and ROS. SII (2019)
Karen Tatarian, Samuel Pereira, Micael S. Couceiro, David Portugal
Tailoring a ROS Educational Programming Language Architecture. RiE (2018)
Filip Majer, Lucie Halodová, Tomás Vintr, Martin Dlouhý, Lukás Merenda, Jaime Pulido Fentanes, David Portugal, Micael S. Couceiro, Tomás Krajník
A Versatile Visual Navigation System for Autonomous Vehicles. MESAS (2018)
Frederico C. Vaz, David Portugal, André G. Araújo, Micael S. Couceiro, Rui P. Rocha
A localization approach for autonomous underwater vehicles: A ROS-Gazebo framework. CoRR (2018)
Nuno M. Fonseca Ferreira, Micael S. Couceiro, André G. Araújo, David Portugal
The potential of a robotics summer course on Engineering Education. TRROS@ERF (2018)
David Portugal, Luís Santos, Pedro Trindade, Christophoros Christophorou, Panayiotis Andreou, Dimosthenis Georgiadis, Marios Belk, João Freire, Paulo Alvito, George Samaras, Eleni Christodoulou, Jorge Dias
SocialRobot: Towards a Personalized Elderly Care Mobile Robot. CoRR (2018)
Farzan M. Noori, David Portugal, Rui P. Rocha, Micael S. Couceiro
On 3D simulators for multi-robot systems in ROS: MORSE or Gazebo? SSRR (2017)
David Portugal, Samuel Pereira, Micael S. Couceiro
The role of security in human-robot shared environments: A case study in ROS-based surveillance robots. RO-MAN (2017)
David Portugal, Rui P. Rocha
Performance Estimation and Dimensioning of Team Size for Multirobot Patrol. IEEE Intell. Syst. 32 (6) (2017)
David Portugal, Miguel Sales Dias, Eleni Christodoulou, Marios Belk, João Quintas, Pedro Nunes, George Samaras, Sten Hanke, Markus Müllner-Rieder, Christoph Glauser, Mehdi Snene, Dimitri Konstantas
CogniWin: An Integrated Framework to Support Older Adults at Work. UMAP (Extended Proceedings) (2016)
David Portugal, Marios Belk, João Quintas, Eleni Christodoulou, George Samaras
Identification of an Individual's Frustration in the Work Environment Through a Multi-sensor Computer Mouse. HCI (25) (2016)
David Portugal, Rui P. Rocha
Cooperative multi-robot patrol with Bayesian learning. Auton. Robots 40 (5) (2016)
Marios Belk, David Portugal, Panagiotis Germanakos, João Quintas, Eleni Christodoulou, George Samaras
A Computer Mouse for Stress Identification of Older Adults at Work. UMAP (Extended Proceedings) (2016)
Marios Belk, David Portugal, Eleni Christodoulou, George Samaras
CogniMouse: On Detecting Users' Task Completion Difficulty through Computer Mouse Interaction. CHI Extended Abstracts (2015)
Sten Hanke, Hugo Meinedo, David Portugal, Marios Belk, João Quintas, Eleni Christodoulou, Miroslav Sili, Miguel Sales Dias, George Samaras
CogniWin - A Virtual Assistance System for Older Adults at Work. HCI (26) (2015)
André G. Araújo, David Portugal, Micael S. Couceiro, Rui P. Rocha
Integrating Arduino-Based Educational Mobile Robots in ROS. J. Intell. Robotic Syst. 77 (2) (2015)
João Machado Santos, Micael S. Couceiro, David Portugal, Rui P. Rocha
A Sensor Fusion Layer to Cope with Reduced Visibility in SLAM. J. Intell. Robotic Syst. 80 (3-4) (2015)
Amadeu Fernandes, Micael S. Couceiro, David Portugal, João Machado Santos, Rui P. Rocha
Ad hoc communication in teams of mobile robots using zigbee technology. Comput. Appl. Eng. Educ. 23 (5) (2015)
David Portugal, Luís Santos, Paulo Alvito, Jorge Dias, George Samaras, Eleni Christodoulou
SocialRobot: An interactive mobile robot for elderly home care. SII (2015)
Bruno D. Gouveia, David Portugal, Daniel Castro Silva, Lino Marques
Computation Sharing in Distributed Robotic Systems: A Case Study on SLAM. IEEE Trans Autom. Sci. Eng. 12 (2) (2015)
Bruno D. Gouveia, David Portugal, Lino Marques
Speeding up rao-blackwellized particle filter SLAM with a multithreaded architecture. IROS (2014)
Raj Madhavan, Lino Marques, Edson Prestes, Prithviraj Dasgupta, Gonçalo Cabrita, David Portugal, Bruno D. Gouveia, Vitor A. M. Jorge, Renan Maffei, Guilherme Schvarcz Franco, José García
2014 Humanitarian Robotics and Automation Technology Challenge [Humanitarian Technology]. IEEE Robotics Autom. Mag. 21 (3) (2014)
Micael S. Couceiro, David Portugal, Rui P. Rocha, Nuno M. F. Ferreira
Marsupial teams of robots: deployment of miniature robots for swarm exploration under communication constraints. Robotica 32 (7) (2014)
Gonçalo S. Martins, David Portugal, Rui P. Rocha
A Comparison of General-Purpose FOSS Compression Techniques for Efficient Communication in Cooperative Multi-Robot Tasks. ICINCO (2) (2014)
David Portugal, Charles Pippin, Rui P. Rocha, Henrik I. Christensen
Finding optimal routes for multi-robot patrolling in generic graphs. IROS (2014)
Gonçalo S. Martins, David Portugal, Rui P. Rocha
On the Usage of General-Purpose Compression Techniques for the Optimization of Inter-robot Communication. ICINCO (Selected Papers) (2014)
João Machado Santos, Micael S. Couceiro, David Portugal, Rui P. Rocha
Fusing sonars and LRF data to perform SLAM in reduced visibility scenarios. ICARSC (2014)
Francisco F. Sales, David Portugal, Rui P. Rocha
Real-time People Detection and Mapping System for a Mobile Robot using a RGB-D Sensor. ICINCO (2) (2014)
David Portugal, Micael S. Couceiro, Rui P. Rocha
Applying Bayesian learning to multi-robot patrol. SSRR (2013)
David Portugal, Rui P. Rocha
Distributed multi-robot patrol: A scalable and fault-tolerant framework. Robotics Auton. Syst. 61 (12) (2013)
David Portugal, Rui P. Rocha
Multi-robot patrolling algorithms: examining performance and scalability. Adv. Robotics 27 (5) (2013)
Micael S. Couceiro, David Portugal, Rui P. Rocha
A collective robotic architecture in search and rescue scenarios. SAC (2013)
Rui P. Rocha, David Portugal, Micael S. Couceiro, Filipe Araújo, Paulo Menezes, Jorge Lobo
The CHOPIN project: Cooperation between human and rObotic teams in catastrophic incidents. SSRR (2013)
João Machado Santos, David Portugal, Rui P. Rocha
An evaluation of 2D SLAM techniques available in Robot Operating System. SSRR (2013)
Micael S. Couceiro, David Portugal, Nuno Gonçalves, Rui P. Rocha, J. Miguel A. Luz, Carlos M. Figueiredo, Gonçalo Dias
A methodology for detection and estimation in the analysis of golf putting. Pattern Anal. Appl. 16 (3) (2013)
David Portugal, Rui P. Rocha
Scalable, fault-tolerant and distributed multi-robot patrol in real world environments. IROS (2013)
David Portugal, Rui P. Rocha
Measuring Variables Effect to Statistically Model the Multi-Robot Patrolling Problem by Means of ANOVA. DoCEIS (2012)
Micael S. Couceiro, Carlos M. Figueiredo, David Portugal, Rui P. Rocha, Nuno M. F. Ferreira
Initial deployment of a robotic team - a hierarchical approach under communication constraints verified on low-cost platforms. IROS (2012)
David Portugal, Rui P. Rocha
Retrieving Topological Information for Mobile Robots Provided with Grid Maps. ICAART (Revised Selected Papers) (2012)
André G. Araújo, David Portugal, Micael S. Couceiro, Carlos M. Figueiredo, Rui P. Rocha
TraxBot - Assembling and Programming of a Mobile Robotic Platform. ICAART (2) (2012)
David Portugal, Rui P. Rocha
Extracting Topological Information from Grid Maps for Robot Navigation. ICAART (1) (2012)
David Portugal, Rui P. Rocha
Decision methods for distributed multi-robot patrol. SSRR (2012)
David Portugal, Rui P. Rocha
A Survey on Multi-robot Patrolling Algorithms. DoCEIS (2011)
David Portugal, Carlos Henggeler Antunes, Rui P. Rocha
A study of genetic algorithms for approximating the longest path in generic graphs. SMC (2010)
David Portugal, Rui P. Rocha
MSP algorithm: multi-robot patrolling based on territory allocation using balanced graph partitioning. SAC (2010)