Conferencias Internacionales


Año 2021

La Cruz, A., Severeyn, E., Velásquez, J., Herrera, H., & Wong, S. (2021). SIR Model Parameter Fitting of SARS-CoV-2 Basic Reproduction Number in Venezuela and Ecuador Epidemic. Artificial Intelligence, Computer and Software Engineering Advances, 1326, 94.

Carnier, M., Albertti, R., Gavidia, L., Severeyn, E., & La Cruz, A. (2021). ToraxIA: Virtual Assistant for Radiologists Based on Deep Learning from Chest X-Ray. Artificial Intelligence, Computer and Software Engineering Advances, 1326, 49.

Año 2020

La Cruz, A., Severeyn, E., Velásquez, J., Herrera, H., & Wong, S. (2020, November). Assessment of Anthropometric Measurements for Obesity and Abnormal Body Fat Percentage Diagnosis Using k-means as Clustering Technique. In Conference on Information and Communication Technologies of Ecuador (pp. 177-191). Springer, Cham.

Severeyn, E., La Cruz, A., Wong, S., & Perpiñan, G. (2020, October). Analysis of Anthropometric Measurements Using Receiver Operating Characteristic Curve for Impaired Waist to Height Ratio Detection. In The International Conference on Advances in Emerging Trends and Technologies (pp. 167-178). Springer, Cham.

La Cruz, A., Severeyn, E., Wong, S., & Perpiñan, G. (2020, October). Classification of Impaired Waist to Height Ratio Using Machine Learning Technique. In The International Conference on Advances in Emerging Trends and Technologies (pp. 179-190). Springer, Cham.

Severeyn, E., Wong, S., Herrera, H., La Cruz, A., Velásquez, J., & Huerta, M. (2020, October). Prediction of Abnormal Body Fat Percentage by Anthropometrics Parameters Using Receiver Operating Characteristic Curve. In 2020 IEEE ANDESCON (pp. 1-6). IEEE.

Severeyn, E., Wong, S., Herrera, H., La Cruz, A., Velásquez, J., & Huerta, M. (2020, October). Study of Basic Reproduction Number Projection of SARS-CoV-2 Epidemic in USA and Brazil. In 2020 IEEE ANDESCON (pp. 1-6). IEEE.

Alvarez, A. J., Severeyn, E., Wong, S., Herrera, H., Velásquez, J., & La Cruz, A. (2020, July). Physical Activity Classification Using an Artificial Neural Networks Based on the Analysis of Anthropometric Measurements. In International Conference on Systems and Information Sciences (pp. 60-70). Springer, Cham.

Severeyn, E., Velásquez, J., Herrera, H., Wong, S., & La Cruz, A. (2020, July). Analysis of Receiver Operating Characteristic Curve Using Anthropometric Measurements for Obesity Diagnosis. In International Conference on Systems and Information Sciences (pp. 71-80). Springer, Cham.


Año 2019

Alvarez, A., Severeyn, E., Velásquez, J., Wong, S., Perpiñan, G., & Huerta, M. (2019, November). Machine Learning Methods in the Classification of the Athletes Dehydration. In 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-5). IEEE.

Severeyn, E., Wong, S., Velásquez, J., Herrera, H., Perpiñan, G., & Huerta, M. (2019, November). Analysis of Insulin Receiver Operating Characteristic Curve for Impaired Glucose Tolerance and Impaired Fasting Glucose Diagnosis. In 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-4). IEEE.

Severeyn E, Velásquez J, Perpiñán G, Herrera H, Wong S, Díaz J, and Altuve M. HOMA-IR Assessment for Impaired Glucose Tolerance, Impaired Fasting Glucose and Insulin Resistance Diagnosis. CLAIB 2019, IFMBE Proceedings 75, pp. 1–9, 2020.

Severeyn E, Wong S, Velásquez J, Perpiñán G, Herrera H, Altuve M, and Díaz J. Diagnosis of Type 2 Diabetes and Pre-diabetes Using Machine Learning. CLAIB 2019, IFMBE Proceedings 75, pp. 1–9, 2020.

Severeyn E., Velásquez J., Herrera H., Perpiñan G., Wong S., Altuve M. Estimation of invasive physiological parameters from non invasive parameters using dimensionless numbers and Monte Carlo cross-validation. XXII Symposium on Signal Processing, Images and Artificial Vision. Bucaramanga, Colombia. Abril 2019.

Año 2018

Velasquez, Jesus; Severeyn, Erika; Herrera, Héctor ; Wong, Sara; Encalada, Lorena; Utrera, Nestor. "Towards the insulin resistance and obesity diagnosis: A dimensional analysis approach" . In Ecuador Technical Chapters Meeting (ETCM), 2018 IEEE . Cuenca, Ecuador. Octubre 2018. CD. pp. 1 - 6.

Severeyn, E., Velásquez, J., Herrera, H., & Wong, S. (2018, November). Random sub-sampling cross validation for empirical correlation between heart rate variability, biochemical and anthropometrics parameters. In Conference on Information Technologies and Communication of Ecuador (pp. 347-357). Springer, Cham.

Año 2017

Vintimilla Christian; Wong Sara; Astudillo Fabián; Encalada Lorena; Severeyn Erika . "An aide Diagnosis System Based on k-means for insulin resistance assesment in eldery people from the Ecuadorian highlands" . Ecuador Technical Chapter Meeting-ETCM-2017. Salinas, Ecuador. Octubre 2017. Revista: "IEEE-Xplore Proceedings of Ecuador Technical Chapter Meeting". Vol. 2. pp. 1 - 6.

Velasquez, Jesus; Herrera, Héctor ; Severeyn Erika ; Wong Sara; Astudillo Fabián. "Dimensional Analysis of Heart Rate Variability Parameters for Metabolic Dysfunctions Diagnosis" . Ecuador Technical Chapter Meeting-ETCM-2017. Salinas, Ecuador. Octubre 2017. Revista: "IEEE-Xplore Proceedings of Ecuador Technical Chapter Meeting". Vol. 2. pp. 1 - 6.

Perpiñan, Gilberto; Erika Severeyn; swong; Altuve, Miguel. "Nonlinear Heart Rate Variability Measures During the Oral Glucose Tolerance Test" . Computing in Cardiology 2017. Rennes, Francia. Septiembre 2017. CD: "Computing in Cardiology Porceedings-IEEE Xplore". pp. 1 - 4.

Año 2016

Altuve M.; Perpiñan G; Severeyn E; Wong S. Comparing glucose and insulin data from the two-hour oral glucose tolerance test in metabolic syndrome subjects and marathon runners. 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Pp.: 5290 – 5293. 2016.

Astudilllo D.; Palacio-Baus K.; Solano Quinde L.; Severeyn E.; Wong S. Evaluating reliability of ultrashort heart rate variability parameters in metabolic syndrome subjects 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp. : 1 - 7. 2016.

Perpiñan G.; Severeyn E.; Altuve M.; Wong S. Classification of metabolic syndrome subjects and marathon runners with the k-means algorithm using heart rate variability features. XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp.: 1-6. 2016.

Quintero L.; Perpiñan G.; Severeyn E.; Altuve M.; Wong S. Nonlinear parameters of heart rate variability during oral glucose tolerance test 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp: 1 - 5. 2016.

Severeyn E.; Velásquez JM.; Perpiñán G.; Herrera H.; Pacheco M.; Wong S. Heart rate variability analysis during a dehydration protocol on athletes. 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp.: 1 - 7. 2016.

Velasquez JM., Severeyn E., Herrera H., Encalada L., Wong S. Anthropometric index for insulin sensitivity assessment in older adults from Ecuadorian highlands. In 12th International Symposium on Medical Information Processing and Analysis (SIPAIM 2016). International Society for Optics and Photonics. pp.:101600S-1-101600S-10. 2016.

Año 2015

Severeyn, E., Wong, S., Herrera, H., & Altuve, M. (2015, August). Anthropometric measurements for assessing insulin sensitivity on patients with metabolic syndrome, sedentaries and marathoners. In Engineering in Medicine and Biology Society (EMBC), 2015 37th Annual International Conference of the IEEE (pp. 4423-4426). IEEE.

Ledezma, C. A., Perpiñan, G., Severeyn, E., & Altuve, M. (2015, December). Data fusion for QRS complex detection in multi-lead electrocardiogram recordings. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 968118-968118). International Society for Optics and Photonics.

Delgado, J. A., Altuve, M., & Homsi, M. N. (2015, December). Detection of segments with fetal QRS complex from abdominal maternal ECG recordings using support vector machine. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 96811A-96811A). International Society for Optics and Photonics.

Velasquez JM; Severeyn E; Wong S; Herrera, H . Lipid-anthropometric index optimization for insulin sensitivity. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 96810R-1-96810R-10) International Society for Optics and Photonics.

Altuve, M., Severeyn, E., & Wong, S. (2015, September). Unsupervised subjects classification using insulin and glucose data for insulin resistance assessment. In Signal Processing, Images and Computer Vision (STSIVA), 2015 20th Symposium on (pp. 1-7). IEEE.

Delgado, J. A., Altuve, M., & Nabhan Homsi, M. (2015, September). Haar wavelet transform and principal component analysis for fetal QRS classification from abdominal maternal ECG recordings. In Signal Processing, Images and Computer Vision (STSIVA), 2015 20th Symposium on (pp. 1-6). IEEE.

Altuve, M., Severeyn, E., & Wong, S. (2015, November). Glucosa e Insulina de la PTOG para Clasificar Sujetos con Síndrome Metabólico Usando K-means. In Memorias del VI Congreso Colombiano de Bioingeniería e Ingeniería Biomédica y V Seminario Internacional de Actualización Biomédica (pp. 1-5).

Warrick, P. A., & Altuve, M. (2015). Classification of Abdominal Fetal Electrocardiogram Recordings using Karhunen-Loève Decomposition. In World Congress on Medical Physics and Biomedical Engineering, June 7-12, 2015, Toronto, Canada (pp. 1072-1075). Springer International Publishing.

Año 2014

Rodríguez, M.G., Ledezma, C.A., Perpiñán, G., Wong, S., Altuve, M. (2014). Extracting Stationary Segments from Non-Stationary Synthetic and Cardiac Signals. In X International Seminar on Medical Information Processing and Analysis.

Altuve, M., Severeyn, E., Wong, S.(2014). Adaptation of Five Indirect Insulin Sensitivity Evaluation Methods to Three Populations: Metabolic Syndrome, Athletic and Normal Subjects. In 36th Annual International Conference of the Engineering in Medicine and Biology Society, Chicago, USA, pp. 4555-4558. Poster

Ledezma, CA., Severeyn, E., Perpiñán, G., Altuve, M., Wong, S. (2014). A New On-Line Electrocardiographic Records Database and Computer Routines for Data Analysis. In 36th Annual International Conference of the Engineering in Medicine and Biology Society, Chicago, USA, pp. 2728-2741. Poster

Año 2013

Rodríguez , M.G., Altuve , M., Lollett , C., Wong , S. (2013). Influence of Signals Length and Noise in Power Spectral Densities Computation using Hilbert-Huang Transform in Synthetic HRV. 9th International Seminar on Medical Information Processing and Analysis, México. Póster

Wong , S., Rivera, P., Rodríguez , M.G., Severeyn, E., Altuve , M. (2013). QT Correction Formulas and Laboratory Analysis on Patients with Metabolic Syndrome and Diabetes. International Seminar on Medical Information Processing and Analysis, México. Póster

Morantes, G., Fernández, G., Altuve , M. (2013). A Threshold-Based Approach for Muscle Contraction Detection From Surface EMG Signals. International Seminar on Medical Information Processing and Analysis, México. Presentación


Año 2012

Altuve, M., Carrault, G., Beuchée, A., Flamand, C., Pladys, P., Hernández, A.I. (2012). Comparing Hidden Markov Model and Hidden Semi-Markov Model Based Detectors of Apnea-Bradycardia Episodes in Preterm Infants, In Computing in Cardiology, Cracovia, Polonia, Vol. 39. pp. 389-392.

Severeyn E., Altuve, M., Ng F., Lollett, C., Wong, S. (2012). Towards the Prediction of Mortality in Intensive Care Units Patients: A Simple Correspondence Analysis Approach, In Computing in Cardiology, Cracovia, Polonia, Vol. 39. pp. 469-472.

Wong, S., Kervio, G.,Altuve, M., Carré, F., Carrault, G. (2012). Comparing six QT correction methods in an athlete’s population, In Computing in Cardiology, Cracovia, Polonia. Vol. 39. pp. 585-588.

Severeyn, E; Altuve, M; Cevallos, JL; Lollett, C; Wong, S. (2012). Evaluation of Indirect Methods to Quantify Insulin Sensitivity on Synthetic and Real Data of Glucose and Insulin. In VIII International Seminar on Medical Information Processing and Analysis. San Cristóbal, Venezuela. Vol. 8. pp. 9-16.

Chinea, A.; Lollett, C; Herrera, H ; Passariello, G; Wong, S. (2012). Protocol for Cardiac Assessment of Recreational Athletes. In 34th Annual International Conference of the Engineering in Medicine and Biology Society, San Diego, Estados Unidos de América, pp. 2132-5.


Año 2011

Landaeta, L; La Cruz, A. (2011). Bifurcation Parameterization of Vascular Structure using a Non-linear Model Fitting. V Iberoamerican Symposium in Computer Graphics. ALGARVE, Portugal. pp. 229-232.

Castro, M; Haigron, P; Urbano, L; Kaladji,, A; Lucas, A. (2011). Compensation géométrique des déformations par réseau élastique de neurones auto organisés en navigation endovasculaire. Colloque National Recherche en Imagerie et Technologies pour la Santé, RITS 2011. Rennes, Francia.

Altuve, M., Carrault, G., Beuchée, A., Pladys, P., Hernández, A.I (2011). On-line apnea-bradycardia detection using hidden semi-Markov models. In Conf Proc IEEE Eng Med Biol Soc, Boston, USA, pp. 4373-4377

Altuve, M., Hernández, A, Carrault, G. (2011). Une approche multivariée pour la détection d'épisodes d'apnée-bradycardie par modèles semi-Markoviens cachés. In Colloque XXIIIe Gretsi, Bordeaux, France.


Año 2009

Bravo, A; Medina, R; Passariello, G. (2009). Análisis del Movimiento del Miocardio en Imágenes de Tomografía Computarizada usando Correspondencia No Rígida. 7th Latin American & Caribbean Conference for Engineering and Technology, San Cristobal, Venezuela. Junio 2009. pp WE1-1-10.

Altuve, M., Carrault, G., Cruz, J., Beuchée, A., Pladys, P., Hernández, A.I. (2009). Analysis of the QRS Complex for Apnea-Bradycardia Characterization in Preterm Infants. In Conf Proc IEEE Eng Med Biol Soc, Minneapolis, USA, pp 946-9.

Severeyn E; Wong, S; Passariello, G; Cevallos, JL; Deyanira, A. (2009). Base de Datos para el Estudio Electrocardiográfico del Síndrome Metabólico. Memorias Primer Congreso de Bioingeniería Costa Rica, Costa Rica.

Castellano M; La Cruz, A; Acosta, D. (2009). Distributed Information System for Brain Tumor Classification using Magnetic Resonance Spectroscopy. IV Iberoamerican Symposium in Computer Graphics - SIACG, Margarita, Venezuela. pp. 115 - 119.

Gonzalez S; La Cruz, A; Villegas G; swong. (2009) DiVesselSim: CT-Angiography Simulator of Diseased Blood Vessel. 11th World Congress on Medical Physics and Biomedical Engineering. Munich, Alemania. pp. 2073-2076.

Diaz J.D.; Escalona O.; Castro, N; Anderson J.; Glover B.M.; Manoharan G. (2009) Predicting Successful Transthoracic Cardioversion by Dominant Atrial Fibrillatory Frequency Analysis: The Effects of Bisoprolol. World Congress 2009, IFMBE. Munich, Alemania. pp. 722 - 725.


Año 2008

Castro, M; Göksu, C; Lucas, A; Urbano, L; Haigron, P. Estimation of 2D/3D rigid transformation for Computer-assisted Endovascular Navigation. International Conference on Information & Communication Technologies: from Theory to Applications. Damascus, Siria. 2008.

Diaz, JD; González O., C; Escalona, O; Glover, O; Manoharan, B. Nonlinear Analysis of the ECG during Atrial Fibrillation in Patients for Low Energy Internal Cardioversion. IEEE EMBC 2008 Engineering In Medicine and Biology Conference. Vancouver, Canadá. 2008.

F. Ng; Wong, S; P. Gomis; J. Lim; Passariello, G; JM Ansermino. Probabilistic Assessment of Autonomic Nervous System fluctuations during Tilt Table Tests. IEEE EMBC. Vancouver, Canadá. 2008.

Francisco Ng; Wong, S; Gomis., P; J Lim; Passariello, G; JM Ansermini. Probability Trends in the Assessment of Cardiovascular Autonomic Fluctuations during Cold Pressor Tests. Computers in Cardiology. Bologna, Italia. 2008.


Año 2007

Alfonzo, A.; Huerta, M; Wong, S; Passariello, G; Díaz, M.; La Cruz, A; Cruz, J. Design of a Methodology for Assessing an Electrocardiographic Telemonitoring System. IEEE EMBC, Lyon, Francia. 2007. pp. 3729 - 3732 .

Rivera P; Perez-Turiel J; Wong, S; Laguna P; Herreros A. Diseño y validación de un metodo basado en wavelets para deteccion del final de la onda T. XXV Congreso Anual de la Sociedad española de Ingeniería Biomédica,. Cartagena, España. 2007. pp. 310 - 313.

Altuve, M., Wong, S., Passariello, G., Casanova, O., Hernandez, A., Carrault, G. (2007). Evaluación de dos Métodos para la Segmentación del Ancho de la Onda T en el ECG. In IV Congreso Latinoamericano de Ingeniería Biomédica. Margarita, Venezuela. 18:1254-1258.

F Ng; Wong, S; La Cruz, A; AI Hernandez; P Gomis; Passariello, G. Heart Rate Recovery in the Diagnosis of Diabetic Cardiovascular Autonomic Neuropathy. Computers in Cardiology. Durham, NC, USA. 2007. pp. 681 - 684.

A. Alfonzo; Huerta, M; Wong, S; Passariello, G; Díaz, M.; La Cruz, A; J. Cruz. Metodología para la Validación de un Sistema de Telemonitoreo Electrocardiográfico. IV Congreso Latinoamericano de Ingeniería Biomédica CLAIB2007. Margarita , Venezuela. 2007. pp. 957 - 960.

L. Quintero; Wong, S; R. Parra; J. Cruz; N. Antepara; D. Almeida; F. Ng; Passariello, G. Stress ECG and Laboratory Database for the Assessment of Diabetic Cardiovascular Autonomic Neuropathy . IEEE EMBS, 29th Annual International Conference. Lyon, Francia. 2007. pp. 4339- 4342.

Diaz J, Castro N, Escalona O, Anderson JM, Glover BM, Adgey JA. The effect of internal DC shocks on the atrial fibrillation frequency. IEEE-EMBS-2007. Lyon, Francia. Agosto 2007. pp. 2591 - 2594.

Diaz, J.; Díaz, M.; Castro, Noel; Glover, B.; Manoharan, G.; Escalona, O. Use of Support Vector Machines in Predicting success of intracardiac cardioversion by Electric Shocks in patients with Atrial Fibrillation. Congreso Latinoamericano de Bioingeniería CLAIB-2007. Isla de Margarita, Venezuela. 2007.


Año 2006

Diaz JD. ; González O., C; Escalona, O. A support vector machine for predicting spontaneous termination of paroxysmal atrial fibrillation episodes. Computers in Cardiology 2006. Valencia, España. 2006.

Altuve, M., Wong, S., Porée, F., Hernández, A., Passariello, G. (2006). Adaptive Filtering for Ventricular Repolarization Variability Assessment. In Computer in Cardiology, 33:469-72.

Altuve, M., Wong, S., Passariello, G., Carrault, G., Hernández, A. (2006). LF/(LF HF) index in Ventricular Repolarization Variability correlated and uncorrelated to Heart Rate Variability. In Conf Proc IEEE Eng Med Biol Soc, New York, USA, pp. 1363-1363.

Bravo A.; Medina R.; Passariello, G; Garreau M.. "Estimación del movimiento de las paredes del ventrículo izquierdo a partir de imágenes topográficas" . Simulación y Modelado en Ingeniería y Modelado Computacional. Margarita, Venezuela. Septiembre 2006. CD. pp. 49 - 55.

Díaz, J; Escalona, O; Anderson, J; Glover, B; Adgey, J. Frequency analysis of atrial fibrillation predicts success for low energy intracardiac cardioversion. World Congress on Medical Physics and Biomedical Engineering 2006. Seul, Corea del Sur. 2006. pp. 910 - 913.


Año 2005

Wong, S; Hernandez A.I.; Carré F; Carrault G.. Study of spectral components of ventricular repolarization variability by multiple correspondence analysis. Computers in Cardiology. Lyon, Francia. 2005.


Año 2004

Escalona, O; S.J. Walsh; J.D. Allen; J. McC. Anderson; A.A.J. Adgey. Radio-Frequency Powered Atrial Defibrillation with a Biphasic Rectangular Pulse Waveform: a Safety Study at 3 and 5 Jouls. Fifth IEEE International Caracas Conference on Devices, Circuits and Systems. Punta Cana, República Dominicana. 2004. pp. 309 - 314.


Año 2003

Castro, N; Gomis, P; Wagner, G. Assessment of Myocardial Ischemia through High Frequency Energy Estimation over the Time-Frequency Plane using Wavelets. Computer in Cardiology 2003. pp. 517 - 520.

Navarro, C.O.; Riddell, J.W.; Owens, C.G.; Anderson, J.; Escalona, O; Turner, C.; Adgey, A.A.J.. Calculated epicardial potentials in myocardial infarction detection. XII World Congress on Cardiac Pacing and Electrophysiology. Hong Kong, China . 2003.


Año 2002

Walsh, S.J.; Manoharan, G.; Santos, J.; Escalona, O; Allen, J.D.; Anderson, J. McC.; Adgey, A.A.J.. A novel biphasic waveform for transvenous cardioversion of atrial fibrillation. International Society of Computerised Electrocardiology Annual Meeting 2002. Doorwerth, Holanda. 2002

Walsh, S.J.; Manoharan, G.; Santos, J.; Escalona, O; Allen, J.D.; Anderson, J. McC.; Adgey, A.A.J.. Atrial Defibrillation Using Low Energy Rectangular Biphasic Waveforms - Asymmetric Pulses Allow Voltage Reduction. Irish Cardiac Society Annual Meeting 2002. Galway, Irlanda . 2002


Año 1998

Escalona, O; Díaz, M.; Parra, J.. "A Real-Time System for high-resolution ECG signal averaging using the analog SFP alignment technique" . Second IEEE International Caracas Conference on Devices, Circuits and Systems. Isla de Margarita, Venezuela. 1998. pp. 299 - 301.

Gomis, P.; Suarez, K; Lander, P.; Passariello, G; Caminal, P. Evaluación de la Miocarditis Chagásica mediante la Caracterización de Potenciales Tardios Ventriculares Anormales con el ECGAR. Libro de Actas: XVI Congreso Anual de la Sociedad Española de Ingeniería Biomedica. Valencia, España. 1998. pp. 119 - 122.


Año 1997

Bravo, R; Escalona, O; Mora, F.; Passariello, G. Late Potential Analysis in Chagas Disease Using the Vector Spectral Combination of Orthogonal Leads. 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Chicago, Estados Unidos de América. 1997. pp. 78 - 80.



Conferencias Internacionales


Año 2019

Alvarez, A., Severeyn, E., Velásquez, J., Wong, S., Perpiñan, G., & Huerta, M. (2019, November). Machine Learning Methods in the Classification of the Athletes Dehydration. In 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-5). IEEE.

Severeyn, E., Wong, S., Velásquez, J., Herrera, H., Perpiñan, G., & Huerta, M. (2019, November). Analysis of Insulin Receiver Operating Characteristic Curve for Impaired Glucose Tolerance and Impaired Fasting Glucose Diagnosis. In 2019 IEEE Fourth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-4). IEEE.

Severeyn E, Velásquez J, Perpiñán G, Herrera H, Wong S, Díaz J, and Altuve M. HOMA-IR Assessment for Impaired Glucose Tolerance, Impaired Fasting Glucose and Insulin Resistance Diagnosis. CLAIB 2019, IFMBE Proceedings 75, pp. 1–9, 2020.

Severeyn E, Wong S, Velásquez J, Perpiñán G, Herrera H, Altuve M, and Díaz J. Diagnosis of Type 2 Diabetes and Pre-diabetes Using Machine Learning. CLAIB 2019, IFMBE Proceedings 75, pp. 1–9, 2020.

Severeyn E., Velásquez J., Herrera H., Perpiñan G., Wong S., Altuve M. Estimation of invasive physiological parameters from non invasive parameters using dimensionless numbers and Monte Carlo cross-validation. XXII Symposium on Signal Processing, Images and Artificial Vision. Bucaramanga, Colombia. Abril 2019.

Año 2018

Velasquez, Jesus; Severeyn, Erika; Herrera, Héctor ; Wong, Sara; Encalada, Lorena; Utrera, Nestor. "Towards the insulin resistance and obesity diagnosis: A dimensional analysis approach" . In Ecuador Technical Chapters Meeting (ETCM), 2018 IEEE . Cuenca, Ecuador. Octubre 2018. CD. pp. 1 - 6.

Severeyn, E., Velásquez, J., Herrera, H., & Wong, S. (2018, November). Random sub-sampling cross validation for empirical correlation between heart rate variability, biochemical and anthropometrics parameters. In Conference on Information Technologies and Communication of Ecuador (pp. 347-357). Springer, Cham.

Año 2017

Vintimilla Christian; Wong Sara; Astudillo Fabián; Encalada Lorena; Severeyn Erika . "An aide Diagnosis System Based on k-means for insulin resistance assesment in eldery people from the Ecuadorian highlands" . Ecuador Technical Chapter Meeting-ETCM-2017. Salinas, Ecuador. Octubre 2017. Revista: "IEEE-Xplore Proceedings of Ecuador Technical Chapter Meeting". Vol. 2. pp. 1 - 6.

Velasquez, Jesus; Herrera, Héctor ; Severeyn Erika ; Wong Sara; Astudillo Fabián. "Dimensional Analysis of Heart Rate Variability Parameters for Metabolic Dysfunctions Diagnosis" . Ecuador Technical Chapter Meeting-ETCM-2017. Salinas, Ecuador. Octubre 2017. Revista: "IEEE-Xplore Proceedings of Ecuador Technical Chapter Meeting". Vol. 2. pp. 1 - 6.

Perpiñan, Gilberto; Erika Severeyn; swong; Altuve, Miguel. "Nonlinear Heart Rate Variability Measures During the Oral Glucose Tolerance Test" . Computing in Cardiology 2017. Rennes, Francia. Septiembre 2017. CD: "Computing in Cardiology Porceedings-IEEE Xplore". pp. 1 - 4.

Año 2016

Altuve M.; Perpiñan G; Severeyn E; Wong S. Comparing glucose and insulin data from the two-hour oral glucose tolerance test in metabolic syndrome subjects and marathon runners. 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). Pp.: 5290 – 5293. 2016.

Astudilllo D.; Palacio-Baus K.; Solano Quinde L.; Severeyn E.; Wong S. Evaluating reliability of ultrashort heart rate variability parameters in metabolic syndrome subjects 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp. : 1 - 7. 2016.

Perpiñan G.; Severeyn E.; Altuve M.; Wong S. Classification of metabolic syndrome subjects and marathon runners with the k-means algorithm using heart rate variability features. XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp.: 1-6. 2016.

Quintero L.; Perpiñan G.; Severeyn E.; Altuve M.; Wong S. Nonlinear parameters of heart rate variability during oral glucose tolerance test 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp: 1 - 5. 2016.

Severeyn E.; Velásquez JM.; Perpiñán G.; Herrera H.; Pacheco M.; Wong S. Heart rate variability analysis during a dehydration protocol on athletes. 2016 XXI Symposium on Signal Processing, Images and Artificial Vision (STSIVA). pp.: 1 - 7. 2016.

Velasquez JM., Severeyn E., Herrera H., Encalada L., Wong S. Anthropometric index for insulin sensitivity assessment in older adults from Ecuadorian highlands. In 12th International Symposium on Medical Information Processing and Analysis (SIPAIM 2016). International Society for Optics and Photonics. pp.:101600S-1-101600S-10. 2016.

Año 2015

Severeyn, E., Wong, S., Herrera, H., & Altuve, M. (2015, August). Anthropometric measurements for assessing insulin sensitivity on patients with metabolic syndrome, sedentaries and marathoners. In Engineering in Medicine and Biology Society (EMBC), 2015 37th Annual International Conference of the IEEE (pp. 4423-4426). IEEE.

Ledezma, C. A., Perpiñan, G., Severeyn, E., & Altuve, M. (2015, December). Data fusion for QRS complex detection in multi-lead electrocardiogram recordings. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 968118-968118). International Society for Optics and Photonics.

Delgado, J. A., Altuve, M., & Homsi, M. N. (2015, December). Detection of segments with fetal QRS complex from abdominal maternal ECG recordings using support vector machine. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 96811A-96811A). International Society for Optics and Photonics.

Velasquez JM; Severeyn E; Wong S; Herrera, H . Lipid-anthropometric index optimization for insulin sensitivity. In 11th International Symposium on Medical Information Processing and Analysis (SIPAIM 2015) (pp. 96810R-1-96810R-10) International Society for Optics and Photonics.

Altuve, M., Severeyn, E., & Wong, S. (2015, September). Unsupervised subjects classification using insulin and glucose data for insulin resistance assessment. In Signal Processing, Images and Computer Vision (STSIVA), 2015 20th Symposium on (pp. 1-7). IEEE.

Delgado, J. A., Altuve, M., & Nabhan Homsi, M. (2015, September). Haar wavelet transform and principal component analysis for fetal QRS classification from abdominal maternal ECG recordings. In Signal Processing, Images and Computer Vision (STSIVA), 2015 20th Symposium on (pp. 1-6). IEEE.

Altuve, M., Severeyn, E., & Wong, S. (2015, November). Glucosa e Insulina de la PTOG para Clasificar Sujetos con Síndrome Metabólico Usando K-means. In Memorias del VI Congreso Colombiano de Bioingeniería e Ingeniería Biomédica y V Seminario Internacional de Actualización Biomédica (pp. 1-5).

Warrick, P. A., & Altuve, M. (2015). Classification of Abdominal Fetal Electrocardiogram Recordings using Karhunen-Loève Decomposition. In World Congress on Medical Physics and Biomedical Engineering, June 7-12, 2015, Toronto, Canada (pp. 1072-1075). Springer International Publishing.

Año 2014

Rodríguez, M.G., Ledezma, C.A., Perpiñán, G., Wong, S., Altuve, M. (2014). Extracting Stationary Segments from Non-Stationary Synthetic and Cardiac Signals. In X International Seminar on Medical Information Processing and Analysis.

Altuve, M., Severeyn, E., Wong, S.(2014). Adaptation of Five Indirect Insulin Sensitivity Evaluation Methods to Three Populations: Metabolic Syndrome, Athletic and Normal Subjects. In 36th Annual International Conference of the Engineering in Medicine and Biology Society, Chicago, USA, pp. 4555-4558. Poster

Ledezma, CA., Severeyn, E., Perpiñán, G., Altuve, M., Wong, S. (2014). A New On-Line Electrocardiographic Records Database and Computer Routines for Data Analysis. In 36th Annual International Conference of the Engineering in Medicine and Biology Society, Chicago, USA, pp. 2728-2741. Poster

Año 2013

Rodríguez , M.G., Altuve , M., Lollett , C., Wong , S. (2013). Influence of Signals Length and Noise in Power Spectral Densities Computation using Hilbert-Huang Transform in Synthetic HRV. 9th International Seminar on Medical Information Processing and Analysis, México. Póster

Wong , S., Rivera, P., Rodríguez , M.G., Severeyn, E., Altuve , M. (2013). QT Correction Formulas and Laboratory Analysis on Patients with Metabolic Syndrome and Diabetes. International Seminar on Medical Information Processing and Analysis, México. Póster

Morantes, G., Fernández, G., Altuve , M. (2013). A Threshold-Based Approach for Muscle Contraction Detection From Surface EMG Signals. International Seminar on Medical Information Processing and Analysis, México. Presentación


Año 2012

Altuve, M., Carrault, G., Beuchée, A., Flamand, C., Pladys, P., Hernández, A.I. (2012). Comparing Hidden Markov Model and Hidden Semi-Markov Model Based Detectors of Apnea-Bradycardia Episodes in Preterm Infants, In Computing in Cardiology, Cracovia, Polonia, Vol. 39. pp. 389-392.

Severeyn E., Altuve, M., Ng F., Lollett, C., Wong, S. (2012). Towards the Prediction of Mortality in Intensive Care Units Patients: A Simple Correspondence Analysis Approach, In Computing in Cardiology, Cracovia, Polonia, Vol. 39. pp. 469-472.

Wong, S., Kervio, G.,Altuve, M., Carré, F., Carrault, G. (2012). Comparing six QT correction methods in an athlete’s population, In Computing in Cardiology, Cracovia, Polonia. Vol. 39. pp. 585-588.

Severeyn, E; Altuve, M; Cevallos, JL; Lollett, C; Wong, S. (2012). Evaluation of Indirect Methods to Quantify Insulin Sensitivity on Synthetic and Real Data of Glucose and Insulin. In VIII International Seminar on Medical Information Processing and Analysis. San Cristóbal, Venezuela. Vol. 8. pp. 9-16.

Chinea, A.; Lollett, C; Herrera, H ; Passariello, G; Wong, S. (2012). Protocol for Cardiac Assessment of Recreational Athletes. In 34th Annual International Conference of the Engineering in Medicine and Biology Society, San Diego, Estados Unidos de América, pp. 2132-5.


Año 2011

Landaeta, L; La Cruz, A. (2011). Bifurcation Parameterization of Vascular Structure using a Non-linear Model Fitting. V Iberoamerican Symposium in Computer Graphics. ALGARVE, Portugal. pp. 229-232.

Castro, M; Haigron, P; Urbano, L; Kaladji,, A; Lucas, A. (2011). Compensation géométrique des déformations par réseau élastique de neurones auto organisés en navigation endovasculaire. Colloque National Recherche en Imagerie et Technologies pour la Santé, RITS 2011. Rennes, Francia.

Altuve, M., Carrault, G., Beuchée, A., Pladys, P., Hernández, A.I (2011). On-line apnea-bradycardia detection using hidden semi-Markov models. In Conf Proc IEEE Eng Med Biol Soc, Boston, USA, pp. 4373-4377

Altuve, M., Hernández, A, Carrault, G. (2011). Une approche multivariée pour la détection d'épisodes d'apnée-bradycardie par modèles semi-Markoviens cachés. In Colloque XXIIIe Gretsi, Bordeaux, France.


Año 2009

Bravo, A; Medina, R; Passariello, G. (2009). Análisis del Movimiento del Miocardio en Imágenes de Tomografía Computarizada usando Correspondencia No Rígida. 7th Latin American & Caribbean Conference for Engineering and Technology, San Cristobal, Venezuela. Junio 2009. pp WE1-1-10.

Altuve, M., Carrault, G., Cruz, J., Beuchée, A., Pladys, P., Hernández, A.I. (2009). Analysis of the QRS Complex for Apnea-Bradycardia Characterization in Preterm Infants. In Conf Proc IEEE Eng Med Biol Soc, Minneapolis, USA, pp 946-9.

Severeyn E; Wong, S; Passariello, G; Cevallos, JL; Deyanira, A. (2009). Base de Datos para el Estudio Electrocardiográfico del Síndrome Metabólico. Memorias Primer Congreso de Bioingeniería Costa Rica, Costa Rica.

Castellano M; La Cruz, A; Acosta, D. (2009). Distributed Information System for Brain Tumor Classification using Magnetic Resonance Spectroscopy. IV Iberoamerican Symposium in Computer Graphics - SIACG, Margarita, Venezuela. pp. 115 - 119.

Gonzalez S; La Cruz, A; Villegas G; swong. (2009) DiVesselSim: CT-Angiography Simulator of Diseased Blood Vessel. 11th World Congress on Medical Physics and Biomedical Engineering. Munich, Alemania. pp. 2073-2076.

Diaz J.D.; Escalona O.; Castro, N; Anderson J.; Glover B.M.; Manoharan G. (2009) Predicting Successful Transthoracic Cardioversion by Dominant Atrial Fibrillatory Frequency Analysis: The Effects of Bisoprolol. World Congress 2009, IFMBE. Munich, Alemania. pp. 722 - 725.


Año 2008

Castro, M; Göksu, C; Lucas, A; Urbano, L; Haigron, P. Estimation of 2D/3D rigid transformation for Computer-assisted Endovascular Navigation. International Conference on Information & Communication Technologies: from Theory to Applications. Damascus, Siria. 2008.

Diaz, JD; González O., C; Escalona, O; Glover, O; Manoharan, B. Nonlinear Analysis of the ECG during Atrial Fibrillation in Patients for Low Energy Internal Cardioversion. IEEE EMBC 2008 Engineering In Medicine and Biology Conference. Vancouver, Canadá. 2008.

F. Ng; Wong, S; P. Gomis; J. Lim; Passariello, G; JM Ansermino. Probabilistic Assessment of Autonomic Nervous System fluctuations during Tilt Table Tests. IEEE EMBC. Vancouver, Canadá. 2008.

Francisco Ng; Wong, S; Gomis., P; J Lim; Passariello, G; JM Ansermini. Probability Trends in the Assessment of Cardiovascular Autonomic Fluctuations during Cold Pressor Tests. Computers in Cardiology. Bologna, Italia. 2008.


Año 2007

Alfonzo, A.; Huerta, M; Wong, S; Passariello, G; Díaz, M.; La Cruz, A; Cruz, J. Design of a Methodology for Assessing an Electrocardiographic Telemonitoring System. IEEE EMBC, Lyon, Francia. 2007. pp. 3729 - 3732 .

Rivera P; Perez-Turiel J; Wong, S; Laguna P; Herreros A. Diseño y validación de un metodo basado en wavelets para deteccion del final de la onda T. XXV Congreso Anual de la Sociedad española de Ingeniería Biomédica,. Cartagena, España. 2007. pp. 310 - 313.

Altuve, M., Wong, S., Passariello, G., Casanova, O., Hernandez, A., Carrault, G. (2007). Evaluación de dos Métodos para la Segmentación del Ancho de la Onda T en el ECG. In IV Congreso Latinoamericano de Ingeniería Biomédica. Margarita, Venezuela. 18:1254-1258.

F Ng; Wong, S; La Cruz, A; AI Hernandez; P Gomis; Passariello, G. Heart Rate Recovery in the Diagnosis of Diabetic Cardiovascular Autonomic Neuropathy. Computers in Cardiology. Durham, NC, USA. 2007. pp. 681 - 684.

A. Alfonzo; Huerta, M; Wong, S; Passariello, G; Díaz, M.; La Cruz, A; J. Cruz. Metodología para la Validación de un Sistema de Telemonitoreo Electrocardiográfico. IV Congreso Latinoamericano de Ingeniería Biomédica CLAIB2007. Margarita , Venezuela. 2007. pp. 957 - 960.

L. Quintero; Wong, S; R. Parra; J. Cruz; N. Antepara; D. Almeida; F. Ng; Passariello, G. Stress ECG and Laboratory Database for the Assessment of Diabetic Cardiovascular Autonomic Neuropathy . IEEE EMBS, 29th Annual International Conference. Lyon, Francia. 2007. pp. 4339- 4342.

Diaz J, Castro N, Escalona O, Anderson JM, Glover BM, Adgey JA. The effect of internal DC shocks on the atrial fibrillation frequency. IEEE-EMBS-2007. Lyon, Francia. Agosto 2007. pp. 2591 - 2594.

Diaz, J.; Díaz, M.; Castro, Noel; Glover, B.; Manoharan, G.; Escalona, O. Use of Support Vector Machines in Predicting success of intracardiac cardioversion by Electric Shocks in patients with Atrial Fibrillation. Congreso Latinoamericano de Bioingeniería CLAIB-2007. Isla de Margarita, Venezuela. 2007.


Año 2006

Diaz JD. ; González O., C; Escalona, O. A support vector machine for predicting spontaneous termination of paroxysmal atrial fibrillation episodes. Computers in Cardiology 2006. Valencia, España. 2006.

Altuve, M., Wong, S., Porée, F., Hernández, A., Passariello, G. (2006). Adaptive Filtering for Ventricular Repolarization Variability Assessment. In Computer in Cardiology, 33:469-72.

Altuve, M., Wong, S., Passariello, G., Carrault, G., Hernández, A. (2006). LF/(LF HF) index in Ventricular Repolarization Variability correlated and uncorrelated to Heart Rate Variability. In Conf Proc IEEE Eng Med Biol Soc, New York, USA, pp. 1363-1363.

Bravo A.; Medina R.; Passariello, G; Garreau M.. "Estimación del movimiento de las paredes del ventrículo izquierdo a partir de imágenes topográficas" . Simulación y Modelado en Ingeniería y Modelado Computacional. Margarita, Venezuela. Septiembre 2006. CD. pp. 49 - 55.

Díaz, J; Escalona, O; Anderson, J; Glover, B; Adgey, J. Frequency analysis of atrial fibrillation predicts success for low energy intracardiac cardioversion. World Congress on Medical Physics and Biomedical Engineering 2006. Seul, Corea del Sur. 2006. pp. 910 - 913.


Año 2005

Wong, S; Hernandez A.I.; Carré F; Carrault G.. Study of spectral components of ventricular repolarization variability by multiple correspondence analysis. Computers in Cardiology. Lyon, Francia. 2005.


Año 2004

Escalona, O; S.J. Walsh; J.D. Allen; J. McC. Anderson; A.A.J. Adgey. Radio-Frequency Powered Atrial Defibrillation with a Biphasic Rectangular Pulse Waveform: a Safety Study at 3 and 5 Jouls. Fifth IEEE International Caracas Conference on Devices, Circuits and Systems. Punta Cana, República Dominicana. 2004. pp. 309 - 314.


Año 2003

Castro, N; Gomis, P; Wagner, G. Assessment of Myocardial Ischemia through High Frequency Energy Estimation over the Time-Frequency Plane using Wavelets. Computer in Cardiology 2003. pp. 517 - 520.

Navarro, C.O.; Riddell, J.W.; Owens, C.G.; Anderson, J.; Escalona, O; Turner, C.; Adgey, A.A.J.. Calculated epicardial potentials in myocardial infarction detection. XII World Congress on Cardiac Pacing and Electrophysiology. Hong Kong, China . 2003.


Año 2002

Walsh, S.J.; Manoharan, G.; Santos, J.; Escalona, O; Allen, J.D.; Anderson, J. McC.; Adgey, A.A.J.. A novel biphasic waveform for transvenous cardioversion of atrial fibrillation. International Society of Computerised Electrocardiology Annual Meeting 2002. Doorwerth, Holanda. 2002

Walsh, S.J.; Manoharan, G.; Santos, J.; Escalona, O; Allen, J.D.; Anderson, J. McC.; Adgey, A.A.J.. Atrial Defibrillation Using Low Energy Rectangular Biphasic Waveforms - Asymmetric Pulses Allow Voltage Reduction. Irish Cardiac Society Annual Meeting 2002. Galway, Irlanda . 2002


Año 1998

Escalona, O; Díaz, M.; Parra, J.. "A Real-Time System for high-resolution ECG signal averaging using the analog SFP alignment technique" . Second IEEE International Caracas Conference on Devices, Circuits and Systems. Isla de Margarita, Venezuela. 1998. pp. 299 - 301.

Gomis, P.; Suarez, K; Lander, P.; Passariello, G; Caminal, P. Evaluación de la Miocarditis Chagásica mediante la Caracterización de Potenciales Tardios Ventriculares Anormales con el ECGAR. Libro de Actas: XVI Congreso Anual de la Sociedad Española de Ingeniería Biomedica. Valencia, España. 1998. pp. 119 - 122.


Año 1997

Bravo, R; Escalona, O; Mora, F.; Passariello, G. Late Potential Analysis in Chagas Disease Using the Vector Spectral Combination of Orthogonal Leads. 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Chicago, Estados Unidos de América. 1997. pp. 78 - 80.