Publications

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Patent
Batista, Arnaldo, Nuno Barrento, Fernando Coito, and Manuel Ortigueira Patent: Quantitative Process for the Rail Corrugation Spacial and Spectral Classification. FCT-UNL, 2016.
Magazine Article
Martins, Daniela, Arnaldo Batista, Helena Mouriño, Sara Russo, Catarina Reis, Fátima Serrano, and Manuel Ortigueira. "Adaptive Filtering for the Maternal Respiration Signal Attenuation in the Uterine Electromyogram." Sensors.19 (2022).
Esgalhado, Filipa, Arnaldo Batista, Valentina Vassilenko, Sara Russo, and Manuel Ortigueira. "Peak Detection and HRV Feature Evaluation on ECG and PPG Signals." Symmetry. 6.14 (2022).
Şan, Mufit, Arnaldo Batista, Sara Russo, Filipa Esgalhado, Catarina Palma Reis, Fátima Serrano, and Manuel Ortigueira. "A Preliminary Exploration of the Placental Position Influence on Uterine Electromyography Using Fractional Modelling." Sensors. 5.22 (2022).
Journal Article
Sara, Russo, Arnaldo Batista, Filipa Esgalhado, Catarina Palma R. dos Reis, Fátima Serrano, Valentina Vassilenko, and Manuel Ortigueira. "Alvarez waves in pregnancy: a comprehensive review." Biophysical Reviews. 1 (2021): 12.
Esgalhado, Filipa, Arnaldo Batista, Helena Mouriño, Sara Russo, Catarina Palma R. dos Reis, Fátima Serrano, Valentina Vassilenko, and Manuel Ortigueira. "Automatic Contraction Detection Using Uterine Electromyography." Applied Sciences. 10.20 (2020): 14.
Batista, Arnaldo G., Ricardo Cebola, Filipa Esgalhado, Sara Russo, Catarina Palma R. dos Reis, Fátima Serrano, Valentina Vassilenko, and Manuel Ortigueira. "The contractiongram: A method for the visualization of uterine contraction evolution using the electrohysterogram." Biomedical Signal Processing and Control. 67 (2021).
Almeida, Martim, Helena Mouriño, Arnaldo Batista, Sara Russo, Filipa Esgalhado, Catarina Palma R. dos Reis, Fátima Serrano, and Manuel Ortigueira. "Electrohysterography extracted features dependency on anthropometric and pregnancy factors." Biomedical Signal Processing and Control. 75 (2022).
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).
Ortigueira, M. D., and AG Batista. "A Fractional Linear System View of the Fractional Brownian Motion." Nonlinear Dynamics.38 (2004): 295-303.
Batista, AG, S. Najdi, D. M. Godinho, F. Serrano, M. D. Ortigueira, and R. T. Rato. "A Multichannel Time-Frequency and Multi-Wavelet Toolbox for Uterine Electromyography Processing and Visualisation." Computers in Biology and Medicine. 76.1 (2016): 178-191.
Esgalhado, Filipa, Valentina Vassilenko, Arnaldo Batista, and Manuel Ortigueira. "On the Feasibility of Real-Time HRV Estimation Using Overly Noisy PPG Signals." Computers. 11 (12) (2022): 117.
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.
Kocadagli, Ozan, Ezgi Ozer, and Arnaldo G. Batista. "Preictal phase detection on EEG signals using hybridized machine learning classifiers with a novel feature selection procedure based GAs and ICOMP." Expert Systems with Applications (2022): 118825.
Esgalhado, Filipa, Arnaldo Batista, Helena Mouriño, Sara Russo, Catarina Palma dos Reis, Fátima Serrano, Valentina Vassilenko, and Manuel Ortigueira. "Uterine contractions clustering based on electrohysterography." Computers in Biology and Medicine. 123.June (2020).
Conference Proceedings
Costa, J., Manuel D. Ortigueira, and Arnaldo Batista ARMA Modelling for Sleep Disorders Diagnose. Technological Innovation for the Internet of Things. Portugal: Springer IFIP AICT series, 2013.
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.
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.
Cardoso, Filipa E., Valentina Vassilenko, Arnaldo Batista, Paulo Bonifácio, Sergio Rico Martin, Juan Muñoz-Torrero, and Manuel Ortigueira Improvements on Signal Processing Algorithm for the VOPITB Equipment. Doctoral Conference on Computing, Electrical and Industrial Systems. Springer, 2021. Abstract
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Conference Paper
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.
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.
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.
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.