1 code implementation • NeurIPS 2023 • Antônio H. Ribeiro, Dave Zachariah, Francis Bach, Thomas B. Schön
And, conversely, the minimum-norm interpolator is the solution to adversarial training with a given radius.
1 code implementation • 28 Sep 2023 • Theogene Habineza, Antônio H. Ribeiro, Daniel Gedon, Joachim A. Behar, Antonio Luiz P. Ribeiro, Thomas B. Schön
Background: Atrial fibrillation (AF) is one of the most common cardiac arrhythmias that affects millions of people each year worldwide and it is closely linked to increased risk of cardiovascular diseases such as stroke and heart failure.
no code implementations • 30 Jan 2023 • Gianluigi Pillonetto, Aleksandr Aravkin, Daniel Gedon, Lennart Ljung, Antônio H. Ribeiro, Thomas B. Schön
For this reason, we provide a survey of deep learning from a system identification perspective.
1 code implementation • 21 Dec 2022 • Philipp Von Bachmann, Daniel Gedon, Fredrik K. Gustafsson, Antônio H. Ribeiro, Erik Lampa, Stefan Gustafsson, Johan Sundström, Thomas B. Schön
We therefore investigate if regression methods can be used for accurate ECG-based prediction of electrolyte concentrations.
no code implementations • 13 Jul 2022 • Eran Zvuloni, Jesse Read, Antônio H. Ribeiro, Antonio Luiz P. Ribeiro, Joachim A. Behar
Conclusion: We found that for traditional 12-lead ECG based diagnosis tasks DL did not yield a meaningful improvement over FE, while it improved significantly the nontraditional regression task.
no code implementations • 25 May 2022 • Antônio H. Ribeiro, Dave Zachariah, Thomas B. Schön
We prove that adversarial training with small disturbances gives the solution with the minimum-norm that interpolates the training data.
no code implementations • Nature Communications 2022 • Veer Sangha, Bobak J. Mortazavi, Adrian D. Haimovich, Antônio H. Ribeiro, Cynthia A. Brandt, Daniel L. Jacoby, Wade L. Schulz, Harlan M. Krumholz, Antonio Luiz P. Ribeiro & Rohan Khera
The application of artificial intelligence (AI) for automated diagnosis of electrocardiograms (ECGs) can improve care in remote settings but is limited by the reliance on infrequently available signal-based data.
no code implementations • 13 Apr 2022 • Antônio H. Ribeiro, Thomas B. Schön
This fact is then exploited to establish similarities between adversarial training and parameter-shrinking methods and to study how the training might affect the robustness of the estimated models.
1 code implementation • 15 Feb 2021 • Antônio H. Ribeiro, Thomas B. Schön
The convolutional neural network (CNN) remains an essential tool in solving computer vision problems.
1 code implementation • 11 Dec 2020 • Antônio H. Ribeiro, Johannes N. Hendriks, Adrian G. Wills, Thomas B. Schön
It is typically observed that the model validation performance follows a U-shaped curve as the model complexity increases.
1 code implementation • 8 Dec 2020 • Johannes N. Hendriks, Fredrik K. Gustafsson, Antônio H. Ribeiro, Adrian G. Wills, Thomas B. Schön
This paper is directed towards the problem of learning nonlinear ARX models based on system input--output data.
1 code implementation • 4 Sep 2019 • Carl Andersson, Antônio H. Ribeiro, Koen Tiels, Niklas Wahlström, Thomas B. Schön
Recent developments within deep learning are relevant for nonlinear system identification problems.
1 code implementation • 20 Jun 2019 • Antônio H. Ribeiro, Koen Tiels, Luis A. Aguirre, Thomas B. Schön
The exploding and vanishing gradient problem has been the major conceptual principle behind most architecture and training improvements in recurrent neural networks (RNNs) during the last decade.
1 code implementation • 2 May 2019 • Antônio H. Ribeiro, Koen Tiels, Jack Umenberger, Thomas B. Schön, Luis A. Aguirre
We shed new light on the \textit{smoothness} of optimization problems arising in prediction error parameter estimation of linear and nonlinear systems.
1 code implementation • 2 Apr 2019 • Antônio H. Ribeiro, Manoel Horta Ribeiro, Gabriela M. M. Paixão, Derick M. Oliveira, Paulo R. Gomes, Jéssica A. Canazart, Milton P. S. Ferreira, Carl R. Andersson, Peter W. Macfarlane, Wagner Meira Jr., Thomas B. Schön, Antonio Luiz P. Ribeiro
The role of automatic electrocardiogram (ECG) analysis in clinical practice is limited by the accuracy of existing models.
no code implementations • 28 Nov 2018 • Antônio H. Ribeiro, Manoel Horta Ribeiro, Gabriela Paixão, Derick Oliveira, Paulo R. Gomes, Jéssica A. Canazart, Milton Pifano, Wagner Meira Jr., Thomas B. Schön, Antonio Luiz Ribeiro
We present a model for predicting electrocardiogram (ECG) abnormalities in short-duration 12-lead ECG signals which outperformed medical doctors on the 4th year of their cardiology residency.
1 code implementation • 2 Oct 2017 • Antônio H. Ribeiro, Luis A. Aguirre
We propose a new algorithm for estimating NARMAX models with $L_1$ regularization for models represented as a linear combination of basis functions.
1 code implementation • 21 Jun 2017 • Antônio H. Ribeiro, Luis A. Aguirre
Neural network models for dynamic systems can be trained either in parallel or in series-parallel configurations.