Publications

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2012
João, Costa, Ortigueira Manuel, Batista Arnaldo, and Paiva Teresa. "Sleep Spindles Detection: a Mixed Method using STFT and WMSD." International Journal Of Bioelectromagnetism (1456-7857). 14 (2012): 229-233.
João, Costa, Ortigueira Manuel, Batista Arnaldo, and Paiva Teresa Sleep Spindles detection: series and parallel combination of algorithm. 9th IMA International Conference on Mathematics in Signal Processing., 2012.
João, Costa, Ortigueira Manuel, Batista Arnaldo, and Paiva Teresa. "Threshold choice for automatic spindle detection." IWSSIP 2012: 19th International Conference on Systems, Signals and Image Processing. 2012.
2011
Costa, J. C., M. D. Ortigueira, and AG Batista. "ARMA Modelling of Sleep Spindles." Second IFIP WG 5.5/SOCOLNET Doctoral Conference on Computing, Electrical and Industrial Systems. Doceis, 2011.
Carneiro, M., AG Batista, and M. D. Ortigueira EEG artifact removal with ICA analysis. Doctoral Conference on Computing, Electrical and Industrial Systems, DoCEIS 2011., 2011.
Cardoso, N. V., AG Batista, and M. D. Ortigueira EEG Features Extraction for Sleep Classification and Spindle Detection . Doctoral Conference on Computing on Computing, Electrical and Industrial Systems., 2011.
Almeida, R., M. D. Ortigueira, AG Batista, and P. Ktonas. "Sleep Spindles: Decomposition, Parameterization and Applications." 19th IEEE Conference on Signal Processing and Communications Applications. 2011.
Arnaldo, Batista;. "Sleep Spindles:Decomposition, Parameterization and Applications." SIU 2011 IEEE19 . Antalya: IEEE, 2011.
2010
Cardoso, E., AG Batista, R. Rodrigues, and M. D. Ortigueira. "A Contribution for the Automatic Sleep Classification Based on the Itakura-Saito Spectral Distance." 1st IFIP Doctoral Conference on Computing, Electrical and Industrial Systems. EMERGING TRENDS IN TECHNOLOGICAL INNOVATION Book Series, 2010.
Nascimento, B., AG Batista, L. B. Alves, and M. D. Ortigueira. "MicroECG: An Integrated Platform for the Cardiac Arrythmia Detection and Characterization." EMERGING TRENDS IN TECHNOLOGICAL INNOVATION Book Series. IFIP Advances in Information and Communication Technology, 2010.
Gomes, R., AG Batista, and M. D. Ortigueira. "Railscan: A Tool for the Detection and Quantification of Rail Corrugation." Doctoral Conference on Computing, Electrical and Industrial Systems. EMERGING TRENDS IN TECHNOLOGICAL INNOVATION Book Series, 2010.
2009
Carlos, Matos, Batista Arnaldo, and Manuel Ortigueira. "FILTERS: Fractional vs Integer Order." Symposium on Fractional Signals and Systems. 2009.
2008
Batista, AG Electrocardiografia de Alta-Resolução: Evolução e Estado da Arte. Sessões Temáticas em Cardiopneumologia. Associação Portuguesa de Cardiopnemologistas, 2008.
Rato, R. T., M. D. Ortigueira, and AG Batista. "The EMD and its Use to Identify System Modes." Proceedings of the International Workshop on New Trends in Science and Technology. 2008.
Rato, R. T., M. D. Ortigueira, and AG Batista. "The Empirical Mode Decomposition: A Useful Tool for Signal Analysis." New Signal Processing Research.2008 (2008).
Rato, R. T., M. D. Ortigueira, and AG Batista. "The Empirical Mode Decomposition: A Useful Tool for Signal Analysis." New Signal Processing Research. New York: Nova Science Publishers , 2008.
Rato, R. T., M. D. Ortigueira, and AG Batista. "On the HHT, its problems, and some solutions." Mechanical Systems and Signal Processing .22 (2008): 1374-1394.
Ortigueira, M. D., and AG Batista. "On the relation between the fractional Brownian motion and the fractional derivatives." Physics Letters . A.372 (2008): 958-968.
2007
Ortigueira, M. D., and AG Batista. "A new look at the fractional Brownian motion definition." Conference on Multibody Systems, Nonlinear Dynamics and Control (MSNDC). ASME IDETC07, 2007.
2006
Bigan, C., Besleaga; M, M. Zervakis, K. Michalopoulos, M. Woolfson, M. Ortigueira, A. Batista, R. Rato, M. Righi, U. Barcaro, A. Starita, Kenneth P. Camilleri, Simon G. Fabri, J. Muscat, and Tracey A. Camilleri EEG signal pre-processing for segmentation into significant regions, major artefacts removal, and uncertainty reduction in epileptic seizure characterization. BIOPATTERN Brain. Göteborg: Neoventor Medicinsk Innovation AB, 2006.
Ortigueira, M. D., and AG Batista. "On the fractional derivative of stationary stochastic processes." CST2006 & ECT2006 Conferences. 2006.
2005
Pinto, I., L. B. Alves, M. D. Ortigueira, and Batista A.G. "ECG Wave Detection and Delineation with Wavelets." Computational Intelligence in Medicine and Healthcare Conference . Biopattern, 2005.
I, Pinto, Alves L, Ortiguera M, and A. Batista. "ECG Wave Detection and Delineation with Wavelets." Computational Intelligence in Medicine and Healthcare Conference . Biopattern. 2005.
2004
Ortigueira, M. D., and AG Batista. "A Fractional Linear System View of the Fractional Brownian Motion." Nonlinear Dynamics.38 (2004): 295-303.
2003
Carvoeiras, P., M. J. Rodrigues, Batista A.G., and M. D. Ortigueira. "A Prototype software for the Diagnostic of Atrial fibrillation." XXIV Congresso Português de Cardiologia and Revista Portuguesa de Cardiologia. Vol. III. 2003.