| Failure in distinguishing colored noise from chaos using the “noise titration” technique US Freitas, C Letellier, LA Aguirre Physical Review E 79 (3), 035201, 2009 | 64 | 2009 |
| Using geometric control and chaotic synchronization to estimate an unknown model parameter US Freitas, EEN Macau, C Grebogi Physical Review E 71 (4), 047203, 2005 | 55 | 2005 |
| Structure-selection techniques applied to continuous-time nonlinear models LA Aguirre, US Freitas, C Letellier, J Maquet Physica D: Nonlinear Phenomena 158 (1), 1-18, 2001 | 55 | 2001 |
| Frequently asked questions about global modeling. C Letellier, LA Aguirre, US Freitas Chaos (Woodbury, NY) 19 (2), 023103, 2009 | 53 | 2009 |
| Identifying chaos from heart rate: The right task? U Freitas, E Roulin, JF Muir, C Letellier Chaos: An Interdisciplinary Journal of Nonlinear Science 19 (2), 028505-028505-4, 2009 | 42 | 2009 |
| Connecting curves for dynamical systems R Gilmore, JM Ginoux, T Jones, C Letellier, US Freitas Journal of Physics A: Mathematical and Theoretical 43 (25), 255101, 2010 | 28 | 2010 |
| Remote Camera-based Pulse Oximetry US Freitas eTELEMED 2014, The Sixth International Conference on eHealth, Telemedicine …, 2014 | 27 | 2014 |
| Automatic sleep staging from ventilator signals in non invasive ventilation CCR Sady, US Freitas, A Portmann, JF Muir, C Letellier, LA Aguirre Computers in Biology and Medicine 43 (7), 833–839, 2013 | 20 | 2013 |
| Dynamics underlying patient-ventilator interactions during nocturnal noninvasive ventilation R Naeck, D Bounoiare, US Freitas, H Rabarimanantsoa, A Portmann, ... International Journal of Bifurcation and Chaos 22 (02), 2012 | 14 | 2012 |
| Recurrence Quantification Analysis as a Tool for Discrimination Among Different Dynamics Classes: The Heart Rate Variability Associated to Different Age Groups L dos Santos, JJ Barroso, MF de Godoy, EEN Macau, US Freitas Translational Recurrences, 125-136, 2014 | 11 | 2014 |
| Working conditions for safe detection of nonlinearity and noise titration E Roulin, US Freitas, C Letellier Physical Review E 83 (4), 046225, 2011 | 10 | 2011 |
| An easy-to-use technique to characterize cardiodynamics from first-return maps on ΔRR-intervals E Fresnel, E Yacoub, U Freitas, A Kerfourn, V Messager, E Mallet, JF Muir, ... Chaos: An Interdisciplinary Journal of Nonlinear Science 25 (8), 083111, 2015 | 6 | 2015 |
| Higher-order spectra of nonlinear polynomial models for Chua's circuit S Elgar, B Vanhoff, LA Aguirrre, US Freitas, V Chandran International Journal of Bifurcation and Chaos 8 (12), 2425-2431, 1998 | 6 | 1998 |
| Leakage estimation using Kalman filtering in noninvasive mechanical ventilation GG Rodrigues, US Freitas, D Bounoiare, LA Aguirre, C Letellier IEEE, 2013 | 5 | 2013 |
| State space parsimonious reconstruction of attractor produced by an electronic oscillator LA Aguirre, US Freitas, C Letellier, L Le Sceller, J Maquet AIP Conference Proceedings 502, 649, 2000 | 5 | 2000 |
| Close Return Plots for a Analysing Patient-ventilator Interactions during Nocturn Ventilation C Letellier, D Bounoiare, R Naeck, US Freitas, A Portmann, A Cuvelier, ... 3rd International Conference on Complex Systems and Applications-ICCSA, 2009 | 4 | 2009 |
| Uso de técnicas de detecão de estrutura na identificação de modelos dinâmicos não lineares contínuos polinomiais US Freitas Universidade Federal de Minas Gerais, 2001 | 2 | 2001 |
| ANÁLISE DAS INTERAÇÕES PACIENTE-VENTILADOR DURANTE VENTILAÇÃO MECÂNICA NÃO INVASIVA NOTURNA UTILIZANDO GRÁFICOS DE RECORRÊNCIAS CONJUNTAS GG Rodrigues, LA Aguirre, US Freitas, C Letellier | 2* | |
| Estimação de Parâmetros em Sistemas Não Lineares Usando Controle Geométrico US Freitas, EEN Macau | 2* | |
| Modifications of sleep quality and cardiac variability during initiation of domiciliary noninvasive ventilation in patients with chronic respiratory failure R Naeck, D Bounoiare, A Portmann, U Freitas, F Portier, JF Muir, ... FUNDAMENTAL & CLINICAL PHARMACOLOGY 26, 59-59, 2012 | 1 | 2012 |
