no code implementations • 20 Dec 2023 • Ricardo Ferreira, Marta Guimarães, Filipa Valdeira, Cláudia Soares
Due to the importance of satellites for society and the exponential increase in the number of objects in orbit, it is important to accurately determine the state (e. g., position and velocity) of these Resident Space Objects (RSOs) at any time and in a timely manner.
no code implementations • 15 Nov 2023 • Ricardo Ferreira, Cláudia Soares, Marta Guimarães
It is estimated that, in orbit, there are millions of fragments a few millimeters in size and thousands of inoperative satellites and discarded rocket stages.
no code implementations • 2 Nov 2022 • Nathan Leroux, Danijela Marković, Dédalo Sanz-Hernández, Juan Trastoy, Paolo Bortolotti, Alejandro Schulman, Luana Benetti, Alex Jenkins, Ricardo Ferreira, Julie Grollier, Alice Mizrahi
Extracting information from radiofrequency (RF) signals using artificial neural networks at low energy cost is a critical need for a wide range of applications from radars to health.
no code implementations • 26 Mar 2022 • Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
We propose a shape fitting/registration method based on a Gaussian Processes formulation, suitable for shapes with extensive regions of missing data.
no code implementations • 15 Jun 2021 • Ricardo Ferreira, Carolina Lopes, Ricardo Gonçalves, Matthias Knorr, Ludwig Krippahl, João Leite
The amount of information produced, whether by newspapers, blogs and social networks, or by monitoring systems, is increasing rapidly.
1 code implementation • 22 Aug 2020 • Filipa Valdeira, Ricardo Ferreira, Alessandra Micheletti, Cláudia Soares
Ears are a particularly difficult region of the human face to model, not only due to the non-rigid deformations existing between shapes but also to the challenges in processing the retrieved data.