Signal Processing and Data Analysiscmup.fc.up.pt/cmup/avalcmup2008/SPDA-presentation.pdf · Case...
Transcript of Signal Processing and Data Analysiscmup.fc.up.pt/cmup/avalcmup2008/SPDA-presentation.pdf · Case...
Signal Processing and Data Analysis2005-2008
21st July 2008
Members 20084 PhD, 3 PosDoc (2 - Ciência 2007), 2 PhD Stud
• 2005
– Ana Paula Rocha (PhD, FCUP) , PI
– Argentina Leite (PhD stud, FCUP and UTAD)
– Sónia Gouveia (PhD stud FCT, European PhD)
– Rute Almeida (PhD stud FCT, European PhD)
• 2006
– Ana Rita Gaio (PhD, FCUP)
– Rute Almeida (European PhD concluded)
• 2007– Helena Brás Silva (PhD, IPP)
– J. Pinto da Costa (PhD, FCUP)
– Rute Almeida (Pos Doc CiberBBN, Zaragoza)
• 2008 (May)
– Paulo Aguiar (Pos Doc Ciência 2007, CMUP)
– Murilo Baptista (Pos Doc Ciência 2007, CMUP)
• Biomedical Signals and Systems
Case Study: cardiovascular signals analysis
– Study of the ECG, multimodal cardiovascular variability and cardiorespiratory coupling
– Time, frequency, time/scale (wavelets), linear and non linear analysis
– Time variant modeling: Long-range / short term dependency in HRV (ARFIMA )
• Statistical Modeling in the Health Sciences
Case Study: nutritional and rheumatic epidemiology
– Classification techniques on continuous data: dietary patterns construction
– Latent variable models: knowledge of rheumatic disease versus health status
• Statistical Learning – Classification of ordinal data. Graph theory based clustering.
– Weighted measures in classification. Weighted PCA.
• Bioinformatics/Biomathematics – Computational Neuroscience
– Information/synchronization in active networks. Complex systems analysis.
• Scientific Consultancy (joint publications)
Research Lines
Collaborations
• Technical and Scientific– Italy: Mortara Rangoni / Portugal,CardioSolutions
– Spain: Univ Zaragoza, Communication technologies Group, Ciber BBN
– UK: Univ Edinburgh, Institute for Adaptive and Neural Computation
– USA/Brasil: Univ Illinois / Univ S. Paulo
– Germany: Univ. Potsdam and Max Plank Institute PKS
– Portugal: FEP, UP and UIMA, UA; INESC
• Clinical and Experimental– Belgium: Hospital Erasmus, Brussels
– Portugal: FMUP and Hospital S. João (HSJ) Porto
• SCIIP, Serviço de Cuidados Intensivos e Intermédios em Pediatria, HSJ
• Laboratório de Sono, Serviço Pneumologia HSJ, Porto
• Serviço de Higiene e Epidemiologia
• Instituto Histologia e Embriologia
– Portugal: FFUP (Serviço de Tecnologia Farmacêutica e Serviço de Toxicologia)
– Portugal: IBMC (Instituto de Biologia Molecular e Celular)
• Grupo de Neurobiologia Básica e Clínica
Achievements - Publications
• 2005-2006– 7 Papers in international peer reviewed Journals (ISI, IP Impact Factor 2006)
- Neuroscience IP=3.427
- IEEE Transactions on Biomedical Engineering IP=2.302
- Physiological Measurement IP=1.438
- Medical and Biological Engineering and Computing IP=1.018- Digital Signal Processing IP=0.889
- Biomedizinischie Technik IP=0.835
- Journal of Sensory Studies IP=0.794
– 6 Papers in Proceedings of International Conferences (5 ISI Proceedings)
• 2007-2008– 8 Papers in international peer reviewed Journals
- Journal of Machine Learning Research IP=2.255
- Neural Networks IP=2.000
- Ecotoxicology and Environmental Safety (in press) IP= 2.000
- Early Human Development (2; 1 in press, on line) IP=1.738
- Journal of Sensory Studies; IP=0.794
- Australian & New Zealand Journal of Statistics IP=0.347
- Cardiovascular & Haematological Disorders-Drug Targets
– 13 Papers in Proceedings of International Conferences
• 2005-2006
– PhD (3; 2 European Phd, 1 concluded)- Applied Mathematics (1 European Phd concluded 2006), AP Rocha
– MSc (3)- Computational Methods in Science and Engineering – 2005, AP Rocha
- Statistics – 2005, AP Rocha
- Mathematical Engineering - 2006, AR Gaio
• 2007-2008
– PhD (5, 2 concluded, 1 European Phd ongoing)- Computer Science – 2 - 1 concluded 2007, J Pinto da Costa
- Applied Mathematics - 2 - 1 waiting for Viva, 1 European Phd - AP Rocha
- Public Health - 1- AR Gaio
– MSc (7, 3 concluded)- Bioinformatics -1 – concluded 2007, AP Rocha
- Mathematical Engineering - 2 - concluded 2007, ARGaio / J.Pinto da Costa
- Statistics -1 , J.Pinto da Costa
- Mathematical Engineering -3, J.Pinto da Costa
- Medical Physics -1, AP Rocha
Graduate StudentsTraining
• 2005-2006Program: Scientific Research in Pre-Graduation. U Porto.
– Distinction Award, March 2005, project
Diabetes Mellitus: Early signs in the pré-sintomatic phase of the autonomic disfunctionFunding: Univ Porto / Fundação Ilídio Pinho. (1 student: FCUP)
– Cardiovascular variability analysis in critical illness: follow-up and outcome.
Funding: Univ Porto / Caixa Geral Depósitos (CGD). (9 students: 5 FCUP, 4 FMUP).
• 2007-2008Program: Scientific Research in Pre-Graduation. Pluridisciplinary Projects 2007.Funding: Univ Porto / CGD
- Multimodal analysis in pediatric coma (4 students: 3 FCUP, 1 FMUP).
- Arterial Blood Pressure responses and Heart Rate variability: role in the diagnosis and
prognosis of Sleep Disordered Breathing (2 students: FCUP).
• 2008-2009FCT Ciência 2008 BII (research integration of 5000 1st cicle students)
CMUP Call Posted EraCareers, July 2008
Pre-Graduate StudentsTraining
• 2005-2006
– Tachografic, Spectral and Fractal analysis of heart rate variability in pre and pos natal life. Application in medical diagnostics and educational systems.
Ref: POSI/CPS/40153/2001 (2002 – 2006). Funding: 55 000 € ( 21 628 € at FCUP ).
Involved Institutions: FEUP/INEB (Coordination), FCUP, FMUP. CMUP Team: AP Rocha.
– Tratamiento de señal en el análisis del ECG y polisomnografía: Procesado orientado por el modelado fisiológico.
Ref: CYCT/FEDER TEC2004-05263-C02-02, (Spain, 2004- 2007) . Funding: 123 200 €.
Involved Institutions: Zaragoza Uiversity (Spain, Coordination), FCUP (Portugal), Univ. Zaragoza, Hospital Miguel Servet, Zaragoza (Spain), Lund University (Sweden), Favaloro University (Argentina), Saint George Hospital, London (UK), Nice University (France).
CMUP Team: AP Rocha, RB Almeida
• 2007-2010
- Analisis multimodal-multicanal e interpretacion fisiológico diagnostica de señales
biomedicas del sistema cardiovascular, respiratorio autonomico y del sueño:
variabilidad dynamica e interacciones
Ref: CYCT/FEDER - TEC2007-68076-C02-02(Spain, 2007- 2010). Funding 215 351 €.
Extension of TEC2004-05263-C02-02. Innovation and links to foreign centers as Duke University Medical Center (USA), MIT (USA), Medtronics research center (Holland).
CMUP Team: AP Rocha, S Gouveia, RB Almeida (Ciber BBN)
Networking/Research Projects
• Biomedical Signals and Systems
Cardiovascular signals analysis and risk stratification
– Improved Multilead Wavelet ECG delineation and Cardiorespiratory coupling characterization.
– Correntropy as complementary to time, frequency, time/scale, linear and non linear analysis.
– Novel approaches in long-term and non stationary HRV modeling: volatility (ARFIMA-GARCH)
• Statistical Modeling in the Health Sciences
Case Studies from epidemiology and public health
– Classification techniques on ordinal data: dietary patterns construction
– Latent mixture variable models: detection of cardiac failure
• Statistical Learning– Classification of ordinal data. Graph theory based clustering.
– Weighted measures in classification. Weighted PCA.
• Bioinformatics/Biomathematics– Computational Neuroscience: neural connectivity/network architecture, activity level control in
spiking networks, learning and memory models…
– Information/synchronization in active networks. Complex systems analysis versus dynamic systems tools
• Ciência2008 – Joint Call 2 Pos Doc Positions - Statistical Analysis and Applications
Research 2007-2010
Case Study
Biomedical Signals and Systems
Cardiovascular signals analysis and risk stratification
Characterization in Ambulatory
and Long term
Follow-up and prognosis in
Critical Care Bedside
ECG automatic delineation
using Wavelet methodologies
RR analysis / Heart Rate Variability ECG Variabilities interactions
QT variability driven by RR
Beat-to-beat variability series
24 hours
Multimodal analysis for the characterization of the cardiovascular system
Sleep as a cardiovascular frontier
Sleep apnea studies
Goal: Understanding of the ANS
Invasive and drug induced experiments
• ECG and Arterial Blood Pressure
• Thorax respiratory effort sensors
• Nasal Flow Channels
• Oxygen saturation
• EEG, EOG, EMG, Body position sensors
• ECG and Arterial Blood Pressure
• Respiration
• Muscular Sympathetic Neural Activity
Polissonography study