Ricardo Ferreira

41 papers A 7B 1Misc 2Journal 18Unranked 13

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	CLASP: An online learning algorithm for Convex Losses And Squared Penalties. CoRR Ricardo Ferreira, João M. F. Xavier, Cláudia Soares
2026	J	`jnl`	Online Learning for Dynamic Constellation Topologies. CoRR João Norberto, Ricardo Ferreira, Cláudia Soares
2025	J	`jnl`	Generalizing Trilateration: Approximate Maximum Likelihood Estimator for Initial Orbit Determination in Low Earth Orbit. IEEE Trans. Aerosp. Electron. Syst. Ricardo Ferreira, Filipa Valdeira, Marta Guimarães, Cláudia Soares
2024	J	`jnl`	Generalizing Trilateration: Approximate Maximum Likelihood Estimator for Initial Orbit Determination in Low-Earth Orbit. CoRR Ricardo Ferreira, Filipa Valdeira, Marta Guimarães, Cláudia Soares
2024	J	`jnl`	Satellite Safe Margin: Fast solutions for Conjunction Analysis. CoRR Ricardo Ferreira, Marta Guimarães, Cláudia Soares
2023	J	`jnl`	One-Shot Initial Orbit Determination in Low-Earth Orbit. CoRR Ricardo Ferreira, Marta Guimarães, Filipa Valdeira, Cláudia Soares
2023	J	`jnl`	Probabilistic Registration for Gaussian Process Three-Dimensional Shape Modelling in the Presence of Extensive Missing Data. SIAM J. Math. Data Sci. Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
2023	J	`jnl`	Probability of Collision of satellites and space debris for short-term encounters: Rederivation and fast-to-compute upper and lower bounds. CoRR Ricardo Ferreira, Cláudia Soares, Marta Guimarães
2022	J	`jnl`	Probabilistic Registration for Gaussian Process 3D shape modelling in the presence of extensive missing data. CoRR Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
2021	J	`jnl`	From Noisy Point Clouds to Complete Ear Shapes: Unsupervised Pipeline. IEEE Access Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
2020	J	`jnl`	RANSIP : From noisy point clouds to complete ear models, unsupervised. CoRR Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
2017	J	`jnl`	SNet: Co-Developing Artificial Retinas and Predictive Internal Models for Real Robots. IEEE Trans. Cogn. Dev. Syst. Ricardo Santos, Ricardo Ferreira, Ângelo Cardoso, Alexandre Bernardino
2016	J	`jnl`	On Stereo Confidence Measures for Global Methods: Evaluation, New Model and Integration into Occupancy Grids. IEEE Trans. Pattern Anal. Mach. Intell. Martim Brandao, Ricardo Ferreira, Kenji Hashimoto, Atsuo Takanishi, José Santos-Victor
2016	B	`conf`	Open-Source Based Integration Solution for Hospitals. CBMS Raphael Oliveira, Duarte Ferreira, Ricardo Ferreira, Ricardo Cruz-Correia
2015	—	`conf`	GPU-Enabled Particle Based Optimization for Robotic-Hand Pose Estimation and Self-Calibration. ICARSC Pedro Vicente, Ricardo Ferreira, Lorenzo Jamone, Alexandre Bernardino
2015	A	`conf`	Low-rank forward models: A path to the self-organization of visuo-motor systems. IROS Ângelo Cardoso, Ricardo Ferreira, Ricardo Santos, Alexandre Bernardino
2015	J	`jnl`	Uncertainty analysis of the DLT-Lines calibration algorithm for cameras with radial distortion. Comput. Vis. Image Underst. Ricardo Galego, Agustin Alberto Ortega Jimenez, Ricardo Ferreira, Alexandre Bernardino, Juan Andrade-Cetto, José António Gaspar
2015	—	`conf`	Visualization of Passively Extracted HL7 Production Metrics. HEALTHINF Ricardo Ferreira, Manuel Eduardo Correia, Francisco Nuno Rocha Goncalves, Ricardo João Cruz Correia
2015	—	`conf`	Vizzy: A Humanoid on Wheels for Assistive Robotics. ROBOT (1) Plinio Moreno, Ricardo Rodrigues Nunes, Rui Pimentel de Figueiredo, Ricardo Ferreira, Alexandre Bernardino, José Santos-Victor, Ricardo Beira, Luís Vargas, Duarte Aragão, Miguel Aragão
2014	J	`jnl`	Calibration of an Outdoor Distributed Camera Network with a 3D Point Cloud. Sensors Agustin Alberto Ortega Jimenez, Manuel Silva, Ernesto Homar Teniente Avilés, Ricardo Ferreira, Alexandre Bernardino, José António Gaspar, Juan Andrade-Cetto
2014	—	`conf`	Eye-hand online adaptation during reaching tasks in a humanoid robot. ICDL-EPIROB Pedro Vicente, Ricardo Ferreira, Lorenzo Jamone, Alexandre Bernardino
2014	—	`conf`	Markerless online stereo calibration for a humanoid robot. ICDL-EPIROB Nuno Moutinho, Ricardo Ferreira, José António Gaspar, Alexandre Bernardino, José Santos-Victor
2014	A	`conf`	On the formulation, performance and design choices of Cost-Curve Occupancy Grids for stereo-vision based 3D reconstruction. IROS Martim Brandao, Ricardo Ferreira, Kenji Hashimoto, José Santos-Victor, Atsuo Takanishi
2014	—	`conf`	Sensori-motor networks vs neural networks for visual stimulus prediction. ICDL-EPIROB Ricardo Santos, Ricardo Ferreira, Ângelo Cardoso, Alexandre Bernardino
2013	J	`jnl`	A computational approach on the co-development of artificial visual sensorimotor. Adapt. Behav. Jonas Ruesch, Ricardo Ferreira, Alexandre Bernardino
2013	—	`conf`	Estimation of camera calibration uncertainty using LIDAR data. ECMR Agustin Alberto Ortega Jimenez, Ricardo Galego, Ricardo Ferreira, Alexandre Bernardino, José António Gaspar, Juan Andrade-Cetto
2013	A	`conf`	Integrating the whole cost-curve of stereo into occupancy grids. IROS Martim Brandao, Ricardo Ferreira, Kenji Hashimoto, José Santos-Victor, Atsuo Takanishi
2013	J	`jnl`	Newton Algorithms for Riemannian Distance Related Problems on Connected Locally Symmetric Manifolds. IEEE J. Sel. Top. Signal Process. Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira, Victor A. N. Barroso
2013	Misc	`conf`	Topological Auto-Calibration of Central Imaging Sensors. IbPRIA Ricardo Galego, Ricardo Ferreira, Alexandre Bernardino, Etienne Grossmann, José António Gaspar
2012	—	`conf`	An Approach toward Self-organization of Artificial Visual Sensorimotor Structures. BICA Jonas Ruesch, Ricardo Ferreira, Alexandre Bernardino
2012	A	`conf`	Online calibration of a humanoid robot head from relative encoders, IMU readings and visual data. IROS Nuno Moutinho, Martim Brandao, Ricardo Ferreira, José António Gaspar, Alexandre Bernardino, Atsuo Takanishi, José Santos-Victor
2012	J	`jnl`	Predicting Visual Stimuli From Self-Induced Actions: An Adaptive Model of a Corollary Discharge Circuit. IEEE Trans. Auton. Ment. Dev. Jonas Ruesch, Ricardo Ferreira, Alexandre Bernardino
2012	—	`conf`	Self-organization of Visual Sensor Topologies Based on Spatiotemporal Cross-Correlation. SAB Jonas Ruesch, Ricardo Ferreira, Alexandre Bernardino
2011	—	`conf`	A measure of good motor actions for active visual perception. ICDL-EPIROB Jonas Ruesch, Ricardo Ferreira, Alexandre Bernardino
2011	A	`conf`	An expected perception architecture using visual 3D reconstruction for a humanoid robot. IROS Nuno Moutinho, Nino Cauli, Egidio Falotico, Ricardo Ferreira, José António Gaspar, Alexandre Bernardino, José Santos-Victor, Paolo Dario, Cecilia Laschi
2010	A	`conf`	Analysis of Inverse Reinforcement Learning with Perturbed Demonstrations. ECAI Francisco S. Melo, Manuel Lopes, Ricardo Ferreira
2009	Misc	`conf`	Reconstruction of isometrically deformable flat surfaces in 3D from multiple camera images. ICASSP Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira
2009	A	`conf`	Shape From Motion of Nonrigid Objects: The Case of Isometrically Deformable Flat Surfaces. BMVC Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira
2006	—	`conf`	Newton Method for Riemannian Centroid Computation in Naturally Reductive Homogeneous Spaces. ICASSP (3) Ricardo Ferreira, João Manuel Freitas Xavier, João Paulo Costeira, Victor A. N. Barroso
2006	—	`conf`	Optimal Multi-frame Correspondence with Assignment Tensors. ECCV (3) Raphael Oliveira, Ricardo Ferreira, João Paulo Costeira
2005	—	`conf`	Stereo Reconstruction of a Submerged Scene. IbPRIA (1) Ricardo Ferreira, João Paulo Costeira, João A. Santos