Algoritmi | User | Ana Paula de Frias Viegas Proença Rocha

Ana Paula de Frias Viegas Proença Rocha

Ana Paula de Frias Viegas Proença Rocha

At LASI

Member of the CMUP R&D Unit

Academic Degree

Current Position

at

Personal Webpage

Personal Email

Orcid

0000-0003-3218-7001

Researcher ID

FCT Public Key

Ciência ID

C51B-0AA2-4D4C

Google Scholar

About Me



Estimating the mutual information rate of short time series from coupled dynamic systems

Communications in Nonlinear Science and Numerical Simulation

2026 | journal-article

Information-Theoretic Sequential Framework to Elicit Dynamic High-Order Interactions in High-Dimensional Network Processes

Mathematics

2025 | journal-article

Analysis of End-Tidal CO2 Variability During Plateau Waves Episodes: An Information Theoretic Approach

Annual International Conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society Annual International Conference

2025 | journal-article

Decomposing the Mutual Information Rate of Physiological Time Series to Assess Higher Order Cardiovascular and Respiratory Interactions During Postural Stress

2025 | book-chapter

Exploring the Mutual Information Rate Decomposition in Situations of Pathological Stress

2025 | book-chapter

Is Autonomic Dysfunction in Plateau Waves of Intracranial Pressure Mediated by Higher-Order Interactions?

2025 IEEE 8th Portuguese Meeting on Bioengineering (ENBENG)

2025 | conference-paper

The role of cardiovascular response as a predictor of neurologic disability in children with brain injury - a pilot study

EUROPEAN JOURNAL OF PAEDIATRIC NEUROLOGY

2025 | journal-article

Assessing Redundancy and Synergy in Brain-Heart Interactions: A Conditioning Approach

2024 13th Conference of the European Study Group on Cardiovascular Oscillations: Physiologically-Guided Signal Processing of Cardiovascular and Cerebrovascular Oscillations, ESGCO 2024

2024 | conference-paper

Autonomic Stress in Plateau Waves of Intracranial Pressure: Spectral Mutual Information Rate Analysis

2024 IEEE 22ND MEDITERRANEAN ELECTROTECHNICAL CONFERENCE, MELECON 2024

2024 | conference-paper

Cardiovascular responses as predictors of mortality in children with acute brain injury

PEDIATRIC RESEARCH

2024 | preprint

Testing dynamic correlations and nonlinearity in bivariate time series through information measures and surrogate data analysis

FRONTIERS IN NETWORK PHYSIOLOGY

2024 | journal-article

Testing phylogenetic signal with categorical traits and tree uncertainty

Bioinformatics

2023 | journal-article

Assessing Information Transfer and Modification in Plateau Waves of Intracranial Pressure

2023 IEEE 7TH PORTUGUESE MEETING ON BIOENGINEERING, ENBENG

2023 | conference-paper

Decomposing the Mutual Information Rate of Heart Period and Respiration Variability Series to Assess Cardiorespiratory Interactions

2023 45TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY, EMBC

2023 | conference-paper

Multiscale partial information decomposition of dynamic processes with short and long-range correlations: theory and application to cardiovascular control

Physiological Measurement

2022 | journal-article

Frequency Domain Information Decomposition: Application to Plateau Waves of Intracranial Pressure

2022 12TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO)

2022 | conference-paper

Multiscale Information Decomposition of Long Memory Processes: Application to Plateau Waves of Intracranial Pressure

44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, EMBC 2022, Glasgow, Scotland, United Kingdom, July 11-15, 2022

2022 | conference-paper

Assessing Transfer Entropy in cardiovascular and respiratory time series under long-range correlations

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)

2021 | conference-paper

Assessing Transfer Entropy in cardiovascular and respiratory time series: A VARFI approach

Proceedings of Entropy 2021: The Scientific Tool of the 21st Century

2021 | conference-paper

Characterization of upper limb movement-related EEG dynamics through fractional integrated autoregressive modeling

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)

2021 | conference-paper

Multivariate and Multiscale Complexity of Long-Range Correlated Cardiovascular and Respiratory Variability Series

Entropy

2020 | journal-article

Classification of HRV using Long Short-Term Memory Networks

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Plateau Waves of Intracranial Pressure and Autonomic Stress Analysis

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Vector Autoregressive Fractionally Integrated Models to Assess Multiscale Complexity in Cardiovascular and Respiratory Time Series

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Measuring phylogenetic signal between categorical traits and phylogenies

BIOINFORMATICS

2019 | journal-article

Multiscale information storage of linear long-range correlated stochastic processes

PHYSICAL REVIEW E

2019 | journal-article

Model-Based Classification of Heart Rate Variability.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

2018 | conference-paper

ARFIMA-GARCH modeling of HRV: Clinical application in acute brain injury

Complexity and Nonlinearity in Cardiovascular Signals

2017 | book-chapter

Heart Rate Variability in Children Submitted to Surgery

Journal of Anesthesia & Clinical Research

2016 | journal-article

Modeling volatility in Heat Rate Variability

2016 38TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)

2016 | conference-paper

Volatility Leveraging in Heart Rate: health vs disease

2016 COMPUTING IN CARDIOLOGY CONFERENCE (CINC), VOL 43

2016 | conference-paper

Heart Rate Variability during Plateau Waves of Intracranial Pressure: a pilot descriptive study

2015 37TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)

2015 | conference-paper

Reliability Loss with Sampling Rate Reduction

2015 COMPUTING IN CARDIOLOGY CONFERENCE (CINC)

2015 | conference-paper

Fetal QRS detection and heart rate estimation: a wavelet-based approach

PHYSIOLOGICAL MEASUREMENT

2014 | journal-article

Long-term HRV in critically ill pediatric patients: coma versus brain death

2014 COMPUTING IN CARDIOLOGY CONFERENCE (CINC), VOL 41

2014 | conference-paper

Post-Traumatic Multimodal Brain Monitoring: Response to Hypertonic Saline

JOURNAL OF NEUROTRAUMA

2014 | journal-article

A wavelet-based method for assessing fetal cardiac rhythms from abdominal ECGs

2013 | conference-paper

Beyond long memory in heart rate variability: An approach based on fractionally integrated autoregressive moving average time series models with conditional heteroscedasticity

Chaos

2013 | journal-article

Comparison of different methods of heart rate entropy analysis during acute anoxia superimposed on a chronic rat model of pulmonary hypertension

Medical Engineering & Physics

2013 | journal-article

Comparison of real beat-to-beat signals with commercially available 4 Hz sampling on the evaluation of foetal heart rate variability

Medical & Biological Engineering & Computing

2013 | journal-article

Enhancing scaling exponents in heart rate by means of fractional integration

2013 | conference-paper

Exploring QT variability dependence from heart rate in coma and brain death on pediatric patients

2013 | conference-paper

Exploring the Stationary Wavelet Transform detail coefficients for detection and identification of the S1 and S2 heart sounds

2013 | conference-paper

Heart rate variability analysis in healthy subjects, patients suffering from congestive heart failure and heart transplanted patients | Análise da variabilidade da frequência cardíaca em indivíduos saudáveis, doentes com insuficiência cardíaca e doentes transplantados

2013 | journal-article

Scaling exponents in heart rate variability

Studies in Theoretical and Applied Statistics, Selected Papers of the Statistical Societies

2013 | book-chapter

Factors influencing differences between invasive and spontaneous baroreflex estimates: distinct methods or different data?

2011 Annual International Conference of the Ieee Engineering in Medicine and Biology Society

2011 | book

Analysis of heart rate variability in a rat model of induced pulmonary hypertension

Medical Engineering & Physics

2010 | journal-article

Correlation Between Time Domain Baroreflex Sensitivity and Sympathetic Nerve Activity

Computing in Cardiology 2010, Vol 37

2010 | journal-article

Correlation between time domain baroreflex sensitivity and Sympathetic Nerve Activity

2010 | conference-paper

P Wave Delineation Using Spatially Projected Leads From Wavelet Transform Loops

Computing in Cardiology 2010, Vol 37

2010 | journal-article

P wave delineation using spatially projected leads from wavelet transform loops

2010 | conference-paper

Time Domain BRS Estimation: Least Squares versus Quantile Regression

Computing in Cardiology 2010, Vol 37

2010 | journal-article

Time domain BRS estimation: Least squares versus quantile regression

2010 | conference-paper

Are 2 Electrocardiographic Leads Enough for Multilead Wave Boundary Location and QT Measuring?

Cinc: 2009 36th Annual Computers in Cardiology Conference

2009 | journal-article

Are 2 electrocardiographic leads enough for multilead wave boundary location and QT measuring?

Computers in Cardiology

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION

Acta Clinica Belgica

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION IN NORMAL SUBJECTS

JOURNAL OF HYPERTENSION

2009 | conference-abstract

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION IN NORMAL SUBJECTS

Journal of Hypertension

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION.

ACTA CLINICA BELGICA

2009 | conference-abstract

Differential Effects of Oral beta Blockade on Cardiovascular and Sympathetic Regulation

Journal of Cardiovascular Pharmacology and Therapeutics

2009 | journal-article

Long Memory and Volatility in HRV: An ARFIMA-GARCH Approach

Cinc: 2009 36th Annual Computers in Cardiology Conference

2009 | book-chapter

Long memory and volatility in HRV: An ARFIMA-GARCH approach

Computers in Cardiology

2009 | journal-article

Multilead ECG Delineation Using Spatially Projected Leads From Wavelet Transform Loops

Ieee Transactions on Biomedical Engineering

2009 | journal-article

Sex differences in linear and complex fetal heart rate dynamics of normal and acidemic fetuses in the minutes preceding delivery

Journal of Perinatal Medicine

2009 | journal-article

Time domain baroreflex sensitivity assessment by joint analysis of spontaneous SBP and RR series

Biomedical Signal Processing and Control

2009 | journal-article

BRS Analysis from Baroreflex Sequences and Baroreflex Events Compared Using Spontaneous and Drug Induced Data

Computers in Cardiology 2008, Vols 1 and 2

2008 | book

BRS analysis from baroreflex sequences and baroreflex events compared using spontaneous and drug induced data

2008 | conference-paper

Differential effects of oral beta blockade on cardiovascular and sympathetic regulation during normoxia and hypoxia

ACTA CARDIOLOGICA

2008 | conference-abstract

Differential effects of oral beta blockade on cardiovascular and sympathetic regulation during normoxia and hypoxia

Acta Cardiologica

2008 | journal-article

Effects of beta blockade on hemodynamics and muscle sympathetic activity

JOURNAL OF HYPERTENSION

2008 | conference-abstract

Effects of beta blockade on hemodynamics and muscle sympathetic activity

Journal of Hypertension

2008 | journal-article

Frequency domain and entropy analysis of fetal heart rate: Appealing tools for fetal surveillance and pharmacodynamic assessment of drugs

Cardiovascular and Hematological Disorders - Drug Targets

2008 | journal-article

Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states

Early Human Development

2008 | journal-article

Linear and nonlinear heart-rate analysis in a rat model of acute anoxia

Physiological Measurement

2008 | journal-article

Improved Time Domain BRS Assessment with the Use of Baroreflex Events

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Improved time domain BRS assessment with the use of baroreflex events

2007 | conference-paper

Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period

Early Human Development

2007 | journal-article

Long-Range Dependence in Heart Rate Variability Data: ARFIMA Modelling vs Detrended Fluctuation Analysis

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Long-range dependence in heart rate variability data: ARFIMA modelling vs detrended fluctuation analysis

Computers in Cardiology

2007 | journal-article

Threshold Sensitivity in Time Domain BRS Estimation: Minimum Beat-to-Beat Changes and Minimum Correlation

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Threshold sensitivity in time domain BRS estimation: Minimum beat-to-beat changes and minimum correlation

2007 | conference-paper

Automatic multilead VCG based approach for QT interval measurement

2006 | conference-paper

Improved BRS assessment using the global approach in the sequences technique

Computers in Cardiology

2006 | journal-article

Internal versus external intrapartum foetal heart rate monitoring: the effect on linear and nonlinear parameters

Physiological Measurement

2006 | journal-article

Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery

Medical & Biological Engineering & Computing

2006 | journal-article

Modelling long-term heart rate variability: an ARFIMA approach

Biomedizinische Technik

2006 | journal-article

QT variability and HRV interactions in ECG: Quantification and reliability

Ieee Transactions on Biomedical Engineering

2006 | journal-article

Stability of QT measurements in the PTB database depending on the selected lead

Computers in Cardiology

2006 | journal-article

Assessing baroreflex sensitivity in the sequences technique: Local versus global approach

Computers in Cardiology 2005, Vol 32

2005 | book-chapter

Assessing baroreflex sensitivity in the sequences technique: Local versus global approach

2005 | conference-paper

Improved QT variability quantification by multilead automatic delineation

Computers in Cardiology 2005, Vol 32

2005 | book-chapter

Improved QT variability quantification by multilead automatic delineation

Computers in Cardiology

2005 | journal-article

dAMUSE - A new tool for denoising and blind source separation

Digital Signal Processing

2005 | journal-article

A wavelet-based ECG delineator: Evaluation on standard databases

Ieee Transactions on Biomedical Engineering

2004 | journal-article

Blind source separation using time-delayed signals

2004 Ieee International Joint Conference on Neural Networks, Vols 1-4, Proceedings

2004 | book-chapter

Blind source separation using time-delayed signals

IEEE International Joint Conference on Neural Networks, IJCNN 2004, Budapest, Hungary, 22-29 July, 2004

2004 | conference-paper

Blind source separation using time-delayed signals

2004 | conference-paper

Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG

Computers in Cardiology 2004, Vol 31

2004 | book-chapter

Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG

2004 | conference-paper

The analysis of heart rate variability using independent component signals

Proceedings of the Second IASTED International Conference on Biomedical Engineering

2004 | book

A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability

Computers in Cardiology 2003, Vol 30

2003 | book-chapter

A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability

2003 | conference-paper

A study on the optimum order of autoregressive models for heart rate variability

Physiological Measurement

2002 | journal-article

Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players after the pretraining period and after the preparatory period for competitions

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1997 | journal-article

Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players after the pretraining period and after the preparatory period for competitions | O controlo autonómico da frequência cardíaca em repouso e alterado pelo destreino? Estudo da variabilidade da frequência cardíaca em futebolistas profissionais após o defeso e após o período preparatorio das competições.

1997 | journal-article

Heart rate variability in brain death

Clinical Autonomic Research

1996 | journal-article

The spectral analysis of heart rate variability. A comparative study between nonparametric and parametric spectral analysis in short series

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1995 | journal-article

The spectral analysis of heart rate variability. A comparative study between nonparametric and parametric spectral analysis in short series | Análise espectral da variabilidade da frequência cardíaca. Estudo comparativo entre a análise espectral não paramétrica e paramétrica em séries curtas.

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1995 | journal-article

HEART-RATE-VARIABILITY AS AN ASSESSMENT OF BRAIN-DEATH

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY

1994 | conference-abstract

HEART-RATE-VARIABILITY AS AN ASSESSMENT OF BRAIN-DEATH

Journal of the American College of Cardiology

1994 | journal-article

HEART-RATE-VARIABILITY IN 24-HOUR HOLTER RECORDINGS - COMPARATIVE-STUDY BETWEEN SHORT-TERM AND LONG-TERM TIME-DOMAIN AND FREQUENCY-DOMAIN ANALYSES

Journal of Electrocardiology

1994 | journal-article

COVARIANCE DENSITY-ESTIMATION FOR AUTOREGRESSIVE SPECTRAL MODELING OF POINT-PROCESSES

Biological Cybernetics

1989 | journal-article

CHARACTERIZATION OF THE COMPLEXITY OF THE ACTION POTENTIAL THROUGH SPECTRAL ANALYSIS.

1984 | journal-article

Estimating the mutual information rate of short time series from coupled dynamic systems

Communications in Nonlinear Science and Numerical Simulation

2026 | journal-article

Information-Theoretic Sequential Framework to Elicit Dynamic High-Order Interactions in High-Dimensional Network Processes

Mathematics

2025 | journal-article

Analysis of End-Tidal CO2 Variability During Plateau Waves Episodes: An Information Theoretic Approach

Annual International Conference of the IEEE Engineering in Medicine and Biology Society IEEE Engineering in Medicine and Biology Society Annual International Conference

2025 | journal-article

Decomposing the Mutual Information Rate of Physiological Time Series to Assess Higher Order Cardiovascular and Respiratory Interactions During Postural Stress

2025 | book-chapter

Exploring the Mutual Information Rate Decomposition in Situations of Pathological Stress

2025 | book-chapter

Is Autonomic Dysfunction in Plateau Waves of Intracranial Pressure Mediated by Higher-Order Interactions?

2025 IEEE 8th Portuguese Meeting on Bioengineering (ENBENG)

2025 | conference-paper

The role of cardiovascular response as a predictor of neurologic disability in children with brain injury - a pilot study

EUROPEAN JOURNAL OF PAEDIATRIC NEUROLOGY

2025 | journal-article

Assessing Redundancy and Synergy in Brain-Heart Interactions: A Conditioning Approach

2024 13th Conference of the European Study Group on Cardiovascular Oscillations: Physiologically-Guided Signal Processing of Cardiovascular and Cerebrovascular Oscillations, ESGCO 2024

2024 | conference-paper

Autonomic Stress in Plateau Waves of Intracranial Pressure: Spectral Mutual Information Rate Analysis

2024 IEEE 22ND MEDITERRANEAN ELECTROTECHNICAL CONFERENCE, MELECON 2024

2024 | conference-paper

Cardiovascular responses as predictors of mortality in children with acute brain injury

PEDIATRIC RESEARCH

2024 | preprint

Testing dynamic correlations and nonlinearity in bivariate time series through information measures and surrogate data analysis

FRONTIERS IN NETWORK PHYSIOLOGY

2024 | journal-article

Testing phylogenetic signal with categorical traits and tree uncertainty

Bioinformatics

2023 | journal-article

Assessing Information Transfer and Modification in Plateau Waves of Intracranial Pressure

2023 IEEE 7TH PORTUGUESE MEETING ON BIOENGINEERING, ENBENG

2023 | conference-paper

Decomposing the Mutual Information Rate of Heart Period and Respiration Variability Series to Assess Cardiorespiratory Interactions

2023 45TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY, EMBC

2023 | conference-paper

Multiscale partial information decomposition of dynamic processes with short and long-range correlations: theory and application to cardiovascular control

Physiological Measurement

2022 | journal-article

Frequency Domain Information Decomposition: Application to Plateau Waves of Intracranial Pressure

2022 12TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO)

2022 | conference-paper

Multiscale Information Decomposition of Long Memory Processes: Application to Plateau Waves of Intracranial Pressure

44th Annual International Conference of the IEEE Engineering in Medicine & Biology Society, EMBC 2022, Glasgow, Scotland, United Kingdom, July 11-15, 2022

2022 | conference-paper

Assessing Transfer Entropy in cardiovascular and respiratory time series under long-range correlations

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)

2021 | conference-paper

Assessing Transfer Entropy in cardiovascular and respiratory time series: A VARFI approach

Proceedings of Entropy 2021: The Scientific Tool of the 21st Century

2021 | conference-paper

Characterization of upper limb movement-related EEG dynamics through fractional integrated autoregressive modeling

2021 43RD ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE & BIOLOGY SOCIETY (EMBC)

2021 | conference-paper

Multivariate and Multiscale Complexity of Long-Range Correlated Cardiovascular and Respiratory Variability Series

Entropy

2020 | journal-article

Classification of HRV using Long Short-Term Memory Networks

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Plateau Waves of Intracranial Pressure and Autonomic Stress Analysis

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Vector Autoregressive Fractionally Integrated Models to Assess Multiscale Complexity in Cardiovascular and Respiratory Time Series

2020 11TH CONFERENCE OF THE EUROPEAN STUDY GROUP ON CARDIOVASCULAR OSCILLATIONS (ESGCO): COMPUTATION AND MODELLING IN PHYSIOLOGY NEW CHALLENGES AND OPPORTUNITIES

2020 | conference-paper

Measuring phylogenetic signal between categorical traits and phylogenies

BIOINFORMATICS

2019 | journal-article

Multiscale information storage of linear long-range correlated stochastic processes

PHYSICAL REVIEW E

2019 | journal-article

Model-Based Classification of Heart Rate Variability.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

2018 | conference-paper

ARFIMA-GARCH modeling of HRV: Clinical application in acute brain injury

Complexity and Nonlinearity in Cardiovascular Signals

2017 | book-chapter

Heart Rate Variability in Children Submitted to Surgery

Journal of Anesthesia & Clinical Research

2016 | journal-article

Modeling volatility in Heat Rate Variability

2016 38TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)

2016 | conference-paper

Volatility Leveraging in Heart Rate: health vs disease

2016 COMPUTING IN CARDIOLOGY CONFERENCE (CINC), VOL 43

2016 | conference-paper

Heart Rate Variability during Plateau Waves of Intracranial Pressure: a pilot descriptive study

2015 37TH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC)

2015 | conference-paper

Reliability Loss with Sampling Rate Reduction

2015 COMPUTING IN CARDIOLOGY CONFERENCE (CINC)

2015 | conference-paper

Fetal QRS detection and heart rate estimation: a wavelet-based approach

PHYSIOLOGICAL MEASUREMENT

2014 | journal-article

Long-term HRV in critically ill pediatric patients: coma versus brain death

2014 COMPUTING IN CARDIOLOGY CONFERENCE (CINC), VOL 41

2014 | conference-paper

Post-Traumatic Multimodal Brain Monitoring: Response to Hypertonic Saline

JOURNAL OF NEUROTRAUMA

2014 | journal-article

A wavelet-based method for assessing fetal cardiac rhythms from abdominal ECGs

2013 | conference-paper

Beyond long memory in heart rate variability: An approach based on fractionally integrated autoregressive moving average time series models with conditional heteroscedasticity

Chaos

2013 | journal-article

Comparison of different methods of heart rate entropy analysis during acute anoxia superimposed on a chronic rat model of pulmonary hypertension

Medical Engineering & Physics

2013 | journal-article

Comparison of real beat-to-beat signals with commercially available 4 Hz sampling on the evaluation of foetal heart rate variability

Medical & Biological Engineering & Computing

2013 | journal-article

Enhancing scaling exponents in heart rate by means of fractional integration

2013 | conference-paper

Exploring QT variability dependence from heart rate in coma and brain death on pediatric patients

2013 | conference-paper

Exploring the Stationary Wavelet Transform detail coefficients for detection and identification of the S1 and S2 heart sounds

2013 | conference-paper

Heart rate variability analysis in healthy subjects, patients suffering from congestive heart failure and heart transplanted patients | Análise da variabilidade da frequência cardíaca em indivíduos saudáveis, doentes com insuficiência cardíaca e doentes transplantados

2013 | journal-article

Scaling exponents in heart rate variability

Studies in Theoretical and Applied Statistics, Selected Papers of the Statistical Societies

2013 | book-chapter

Factors influencing differences between invasive and spontaneous baroreflex estimates: distinct methods or different data?

2011 Annual International Conference of the Ieee Engineering in Medicine and Biology Society

2011 | book

Analysis of heart rate variability in a rat model of induced pulmonary hypertension

Medical Engineering & Physics

2010 | journal-article

Correlation Between Time Domain Baroreflex Sensitivity and Sympathetic Nerve Activity

Computing in Cardiology 2010, Vol 37

2010 | journal-article

Correlation between time domain baroreflex sensitivity and Sympathetic Nerve Activity

2010 | conference-paper

P Wave Delineation Using Spatially Projected Leads From Wavelet Transform Loops

Computing in Cardiology 2010, Vol 37

2010 | journal-article

P wave delineation using spatially projected leads from wavelet transform loops

2010 | conference-paper

Time Domain BRS Estimation: Least Squares versus Quantile Regression

Computing in Cardiology 2010, Vol 37

2010 | journal-article

Time domain BRS estimation: Least squares versus quantile regression

2010 | conference-paper

Are 2 Electrocardiographic Leads Enough for Multilead Wave Boundary Location and QT Measuring?

Cinc: 2009 36th Annual Computers in Cardiology Conference

2009 | journal-article

Are 2 electrocardiographic leads enough for multilead wave boundary location and QT measuring?

Computers in Cardiology

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION

Acta Clinica Belgica

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION IN NORMAL SUBJECTS

JOURNAL OF HYPERTENSION

2009 | conference-abstract

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION IN NORMAL SUBJECTS

Journal of Hypertension

2009 | journal-article

DIFFERENTIAL EFFECTS OF ORAL BETA BLOCKADE ON CARDIOVASCULAR AND SYMPATHETIC REGULATION.

ACTA CLINICA BELGICA

2009 | conference-abstract

Differential Effects of Oral beta Blockade on Cardiovascular and Sympathetic Regulation

Journal of Cardiovascular Pharmacology and Therapeutics

2009 | journal-article

Long Memory and Volatility in HRV: An ARFIMA-GARCH Approach

Cinc: 2009 36th Annual Computers in Cardiology Conference

2009 | book-chapter

Long memory and volatility in HRV: An ARFIMA-GARCH approach

Computers in Cardiology

2009 | journal-article

Multilead ECG Delineation Using Spatially Projected Leads From Wavelet Transform Loops

Ieee Transactions on Biomedical Engineering

2009 | journal-article

Sex differences in linear and complex fetal heart rate dynamics of normal and acidemic fetuses in the minutes preceding delivery

Journal of Perinatal Medicine

2009 | journal-article

Time domain baroreflex sensitivity assessment by joint analysis of spontaneous SBP and RR series

Biomedical Signal Processing and Control

2009 | journal-article

BRS Analysis from Baroreflex Sequences and Baroreflex Events Compared Using Spontaneous and Drug Induced Data

Computers in Cardiology 2008, Vols 1 and 2

2008 | book

BRS analysis from baroreflex sequences and baroreflex events compared using spontaneous and drug induced data

2008 | conference-paper

Differential effects of oral beta blockade on cardiovascular and sympathetic regulation during normoxia and hypoxia

ACTA CARDIOLOGICA

2008 | conference-abstract

Differential effects of oral beta blockade on cardiovascular and sympathetic regulation during normoxia and hypoxia

Acta Cardiologica

2008 | journal-article

Effects of beta blockade on hemodynamics and muscle sympathetic activity

JOURNAL OF HYPERTENSION

2008 | conference-abstract

Effects of beta blockade on hemodynamics and muscle sympathetic activity

Journal of Hypertension

2008 | journal-article

Frequency domain and entropy analysis of fetal heart rate: Appealing tools for fetal surveillance and pharmacodynamic assessment of drugs

Cardiovascular and Hematological Disorders - Drug Targets

2008 | journal-article

Linear and complex heart rate dynamics vary with sex in relation to fetal behavioural states

Early Human Development

2008 | journal-article

Linear and nonlinear heart-rate analysis in a rat model of acute anoxia

Physiological Measurement

2008 | journal-article

Improved Time Domain BRS Assessment with the Use of Baroreflex Events

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Improved time domain BRS assessment with the use of baroreflex events

2007 | conference-paper

Linear and nonlinear analysis of heart rate patterns associated with fetal behavioral states in the antepartum period

Early Human Development

2007 | journal-article

Long-Range Dependence in Heart Rate Variability Data: ARFIMA Modelling vs Detrended Fluctuation Analysis

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Long-range dependence in heart rate variability data: ARFIMA modelling vs detrended fluctuation analysis

Computers in Cardiology

2007 | journal-article

Threshold Sensitivity in Time Domain BRS Estimation: Minimum Beat-to-Beat Changes and Minimum Correlation

Computers in Cardiology 2007, Vols 1 and 2

2007 | journal-article

Threshold sensitivity in time domain BRS estimation: Minimum beat-to-beat changes and minimum correlation

2007 | conference-paper

Automatic multilead VCG based approach for QT interval measurement

2006 | conference-paper

Improved BRS assessment using the global approach in the sequences technique

Computers in Cardiology

2006 | journal-article

Internal versus external intrapartum foetal heart rate monitoring: the effect on linear and nonlinear parameters

Physiological Measurement

2006 | journal-article

Linear and nonlinear fetal heart rate analysis of normal and acidemic fetuses in the minutes preceding delivery

Medical & Biological Engineering & Computing

2006 | journal-article

Modelling long-term heart rate variability: an ARFIMA approach

Biomedizinische Technik

2006 | journal-article

QT variability and HRV interactions in ECG: Quantification and reliability

Ieee Transactions on Biomedical Engineering

2006 | journal-article

Stability of QT measurements in the PTB database depending on the selected lead

Computers in Cardiology

2006 | journal-article

Assessing baroreflex sensitivity in the sequences technique: Local versus global approach

Computers in Cardiology 2005, Vol 32

2005 | book-chapter

Assessing baroreflex sensitivity in the sequences technique: Local versus global approach

2005 | conference-paper

Improved QT variability quantification by multilead automatic delineation

Computers in Cardiology 2005, Vol 32

2005 | book-chapter

Improved QT variability quantification by multilead automatic delineation

Computers in Cardiology

2005 | journal-article

dAMUSE - A new tool for denoising and blind source separation

Digital Signal Processing

2005 | journal-article

A wavelet-based ECG delineator: Evaluation on standard databases

Ieee Transactions on Biomedical Engineering

2004 | journal-article

Blind source separation using time-delayed signals

2004 Ieee International Joint Conference on Neural Networks, Vols 1-4, Proceedings

2004 | book-chapter

Blind source separation using time-delayed signals

IEEE International Joint Conference on Neural Networks, IJCNN 2004, Budapest, Hungary, 22-29 July, 2004

2004 | conference-paper

Blind source separation using time-delayed signals

2004 | conference-paper

Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG

Computers in Cardiology 2004, Vol 31

2004 | book-chapter

Quantification of the QT variability related to HRV: Robustness study facing automatic delineation and noise on the ECG

2004 | conference-paper

The analysis of heart rate variability using independent component signals

Proceedings of the Second IASTED International Conference on Biomedical Engineering

2004 | book

A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability

Computers in Cardiology 2003, Vol 30

2003 | book-chapter

A parametric model approach for quantification of short term QT variability uncorrelated with heart rate variability

2003 | conference-paper

A study on the optimum order of autoregressive models for heart rate variability

Physiological Measurement

2002 | journal-article

Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players after the pretraining period and after the preparatory period for competitions

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1997 | journal-article

Is autonomic control of the heart rate at rest altered by detraining? A study of heart rate variability in professional soccer players after the pretraining period and after the preparatory period for competitions | O controlo autonómico da frequência cardíaca em repouso e alterado pelo destreino? Estudo da variabilidade da frequência cardíaca em futebolistas profissionais após o defeso e após o período preparatorio das competições.

1997 | journal-article

Heart rate variability in brain death

Clinical Autonomic Research

1996 | journal-article

The spectral analysis of heart rate variability. A comparative study between nonparametric and parametric spectral analysis in short series

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1995 | journal-article

The spectral analysis of heart rate variability. A comparative study between nonparametric and parametric spectral analysis in short series | Análise espectral da variabilidade da frequência cardíaca. Estudo comparativo entre a análise espectral não paramétrica e paramétrica em séries curtas.

Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology

1995 | journal-article

HEART-RATE-VARIABILITY AS AN ASSESSMENT OF BRAIN-DEATH

JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY

1994 | conference-abstract

HEART-RATE-VARIABILITY AS AN ASSESSMENT OF BRAIN-DEATH

Journal of the American College of Cardiology

1994 | journal-article

HEART-RATE-VARIABILITY IN 24-HOUR HOLTER RECORDINGS - COMPARATIVE-STUDY BETWEEN SHORT-TERM AND LONG-TERM TIME-DOMAIN AND FREQUENCY-DOMAIN ANALYSES

Journal of Electrocardiology

1994 | journal-article

COVARIANCE DENSITY-ESTIMATION FOR AUTOREGRESSIVE SPECTRAL MODELING OF POINT-PROCESSES

Biological Cybernetics

1989 | journal-article

CHARACTERIZATION OF THE COMPLEXITY OF THE ACTION POTENTIAL THROUGH SPECTRAL ANALYSIS.

1984 | journal-article

This user account status is Approved