Publicaciones en Revistas

Altuve, M., & Severeyn, E. (2024). Cluster analysis based on fasting and postprandial plasma glucose and insulin concentrations. International Journal of Diabetes in Developing Countries, 1-8.

Altuve, M., Alvarez, A. J., & Severeyn, E. (2021). Multiclass classification of metabolic conditions using fasting plasma levels of glucose and insulin. Health and Technology, 11(4), 953-962.

Altuve, M., & Severeyn, E. (2019). Joint analysis of fasting and postprandial plasma glucose and insulin concentrations in venezuelan women. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 13(3), 2242-2248.

Altuve, M., Severeyn, E., & Wong, S. (2019). Optimized fasting and OGTT-based simple surrogate methods for assessing insulin sensitivity. Diabetes & Metabolic Syndrome: Clinical Research & Reviews, 13(4), 2683-2687.

Velasquez, Jesus; Severeyn, Erika; Herrera, Héctor ; Wong, Sara; Encalada, Lorena. "Valor diagnóstico de variables lipídicas y antropométricas en las disfunciones metabólicas ". ACTA BIOQUIMICA CLINICA LATINOAMERICANA. 2018. Vol 52, numero 3, pp 293-301. 

Perpiñan, Gilberto; Erika Severeyn; Altuve, Miguel; Wong, Sara. (2018). "Cardiac autonomic modulation in response to a glucose stimulus". MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING. 2018.  Vol. 2018, pp. 1 - 10. 

Velasquez, Jesus; Herrera, Héctor ; Wong, Sara; Severeyn, Erika .(2017). "Análisis dimensional de variables antropométricas y bioquímicas para diagnosticar el síndrome metabólico". Maskana. Congreso TIC-EC. 2017. Indexada en el Latindex Catálogo. pp 57-67.

Vintimilla Christian; Astudillo Fabián; Erika Severeyn; Encalada Lorena; Wong Sara. (2017)."Agrupamiento de K-medias para estimación de insulino-resistencia en Adultos Mayores de Cuenca". Maskana. Congreso TIC-EC. Indexada en el Latindex Catálogo. pp. 31-39. 

Vintimilla Christian; Astudillo Darwin; Severeyn Erika; Encalada Lorena; Wong Sara. (2017). Normalización de entradas de una red de Kohonen para clasificación de Síndrome Metabólico en Adultos Mayores de la ciudad de Cuenca. Maskana. Indexada en el Latindex Catálogo. Vol. 8, pp. 1 - 10.​

Severeyn, E., Wong, S., Passariello, G., Cevallos, J. L., & Almeida, D. (2012). Methodology for the study of metabolic syndrome by heart rate variability and insulin sensitivity. Revista Brasileira de Engenharia Biomédica, 28(3), 272-277.


Conferencias Internacionales

Herrera, L., Cortes, J., La Cruz, A., García-León, A., & Severeyn, E. (2023, November). Evaluation of Heuristic Approaches for Resource Allocation Scheduling with Conflicting Constraints in University Environments. In 2023 IEEE Colombian Caribbean Conference (C3) (pp. 1-6). IEEE.

La Cruz, A., Severeyn, E., García-León, A., Cabrera, J., Cigala, M., & Nino, I. (2023, November). Gradient Descent-Based Optimization for Personalized Nutritional Needs and Health/Activity Goals. In 2023 IEEE Colombian Caribbean Conference (C3) (pp. 1-6). IEEE.

Severeyn, E., La Cruz, A., & Huerta, M. (2023, November). Neural Network-Based Diagnosis of Abnormal Waist-to-Hip Ratio Values. In 2023 IEEE Colombian Caribbean Conference (C3) (pp. 1-6). IEEE.

Severeyn, E., La Cruz, A., Huerta, M., Matute, R., & Estrada, J. (2023, November). Prediction of Clients Based on Google Analytics Income Using Support Vector Machines. In 2023 IEEE Colombian Caribbean Conference (C3) (pp. 1-6). IEEE.

Severeyn, E., La Cruz, A., & Huerta, M. (2023, October). Enhancing Impaired Waist-to-height Ratio Classification Using Neural Networks. In Workshop on Engineering Applications (pp. 216-227). Cham: Springer Nature Switzerland.

De La Campa, M. Á. D., Severeyn, E., La Cruz, A., & Ordoñez, E. (2023, October). Application of Neural Networks in the Classification of Obesity Using Deurenberg Equation. In 2023 IEEE Seventh Ecuador Technical Chapters Meeting (ECTM) (pp. 1-6). IEEE.

Severeyn, E., La Cruz, A., Matute, R., & Estrada, J. (2023, October). Neural Networks for Customer Classification Through Clickstream Analysis. In 2023 IEEE Seventh Ecuador Technical Chapters Meeting (ECTM) (pp. 1-6). IEEE.

La Cruz, A., Santacruz, C. A. D., Polo, L., & Severeyn, E. (2022, October). Breast Cancer Screening Using Deep Learning. In 2022 IEEE Sixth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-6). IEEE.

Aguilar, E., La Cruz, A., Albertti, R., Carnier, M., Gavidia, L., & Severeyn, E. (2022). Detection of Respiratory Disease Patterns Using Mask R-CNN. In Proceedings of Seventh International Congress on Information and Communication Technology (pp. 739-750). Springer, Singapore.

La Cruz, A., Severeyn, E., Matute, R., & Estrada, J. (2021, November). Users Segmentation Based on Google Analytics Income Using K-Means. In Conference on Information and Communication Technologies of Ecuador (pp. 225-235). Springer, Cham.

Severeyn, E., La Cruz, A., & Huerta, M. (2021, October). Classification of Impaired Waist to Height Ratio and Waist to Hip Ratio Using Support Vector Machine. In 2021 IEEE Fifth Ecuador Technical Chapters Meeting (ETCM) (pp. 1-6). IEEE.

La Cruz, A., Severeyn, E., Huerta, M., & Wong, S. (2021). Support Vector Machine Technique as Classifier of Impaired Body Fat Percentage. In Fuzzy Systems and Data Mining VII (pp. 175-182). IOS Press.

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.

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. 

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. 

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. 

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. 

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 VariabilityrnParameters 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.

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.

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.

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.

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). 

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

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

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.

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. 


Conferencias Nacionales

Severeyn David; Segura Julio, Velasquez Jesus; Severeyn Erika; Herrera Héctor.  (2017). "Influencia de los factores ambientales en el proceso de termorregulación corporal" . Memorias del VI Congreso Venezolano de Bioingeniería BIOVEN 2017. Cabimas, Venezuela. Octubre 2017. CD: "Memorias BIOVEN 2017". pp. 95 - 99.

Perpiñán, G., Severeyn, E., Altuve, M., Wong, S.  (2016). Influencia de la insulina y la glucosa en la variabilidad de la frecuencia cardíaca en sujetos con síndrome metabólico​. En XIII Congreso Internacional de Métodos Numéricos en Ingeniería y Ciencias Aplicadas, pp. 877-888.

Rivera G., Perpiñán, G., Severeyn, E., Wong, S., Altuve, M.  (2016). Diseño y desarrollo de un prototipo de un módulo móvil de mediciones médicas usando Arduino​. En XIII Congreso Internacional de Métodos Numéricos en Ingeniería y Ciencias Aplicadas, pp. 1005-1016.

Severeyn, E., ​Velasquez JM., Perpiñán, G., Pacheco M., Herrera H., Wong, S. (2016). Análisis de la variabilidad de frecuencia cardiaca durante un protocolo de deshidratación en sujetos deportistas​. En XIII Congreso Internacional de Métodos Numéricos en Ingeniería y Ciencias Aplicadas, pp. 819-830.

Velasquez JM; Severeyn E; Wong S; Herrera H. Indices para la caracterización de sujetos con disfunción metabólica, utilizando variables bioquímicas y antropométricas. V Congreso Venezolano de Bioingeniería-BIOVEN2015. Mérida, Venezuela. Mayo 2015. CD: "Memorias del V Congreso Venezolano de Bioingeniería". pp. 122 - 125.

Perpiñán, G., Severeyn, E., Wong, S., Altuve, M. (2015). Variabilidad de la frecuencia cardíaca durante la prueba oral de tolerancia a la glucosa en sujetos con síndrome metabólico, sedentarios y deportistas. En V Congreso Venezolano de Bioingeniería (BIOVEN), pp. 135-138

Velasquez JM; Severeyn E; Altuve M; Wong S; Herrera H. Índice de masa proporcional: Un concepto unificado en la evaluación de la obesidad . Modalidad: Oral. LXIV Convención Anual de la Asociación Venezolana para el Avance de la Ciencia. Caracas, Venezuela. Noviembre 2014. Financiamiento: Decanato de Investigación y Desarrollo.

Severeyn, E., Wong, S., Altuve, M., Gabriela, A., Cevallos, JL. (Marzo 2014). Parámetros de la Variabilidad de la Frecuencia Cardíaca Durante la Prueba Oral de Tolerancia a la Glucosa: Un Análisis de Componentes Simples. En XII Congreso Internacional de Métodos Numéricos en Ingeniería y Ciencias Aplicadas. pp. 79-84.

Rodríguez, M.G., Altuve, M., Severeyn, É., Wong, S. (Noviembre 2013). Análisis del balance simpatovagal en sujetos diabéticos usando dos técnicas de estimación espectral. En  LXIII Convención Anual de AsoVAC. pp. 1-10.

Severeyn, E., Wong, S., Altuve, M., Passariello, G., Cevallos, JL (Noviembre 2012). Estudio de los Métodos que Cuantifican la Sensibilidad a la Insulina en Sujetos con Síndrome Metabólico. En  LXII Convención Anual de AsoVAC. 

Severeyn, E., Wong, S., Altuve, M., Passariello, G. (2012). Estudio comparativo de los modelos indirectos de sensibilidad a la insulina en sujetos con síndrome metabólico. In VI Seminario Internacional de Ingeniería Biomédica, Bogotá, Colombia,  pp. 108

Severeyn, E; Wong, S; Passariello, G; Cevallos, JL; Almeida D. (2010). Estudio de la Variabilidad de la Frecuencia Cardiaca durante la Prueba Oral de Tolerancia a la Glucosa en Pacientes con Síndrome Metabólico. CIMENICS. Merida, Venezuela. pp. 91 - 96.   


Capítulos de Libros

Severeyn, Erika; Velasquez, Jesus; Herrera, Héctor ; Wong, Sara.  Random Sub-sampling Cross Validation for Empirical Correlation between Heart Rate Variability, Biochemical and Anthropometrics Parameters. pp. 1 - 12. "Advances in Intelligent Systems and Computing". Editores: Springer Nature. Springer. Switzerland, Suiza. 2018. ISBN: 978-3-030-02827-5.