Search Results - "Rojo Alvarez, J. L."

Safety threshold of R-wave amplitudes in patients with implantable cardioverter defibrillator by Lillo-Castellano, J M, Marina-Breysse, Manuel, Gómez-Gallanti, Alfonso, Martínez-Ferrer, J B, Alzueta, Javier, Pérez-Álvarez, Luisa, Alberola, Arcadi, Fernández-Lozano, Ignacio, Rodríguez, Anibal, Porro, Rosa, Anguera, Ignacio, Fontenla, Adolfo, González-Ferrer, J J, Cañadas-Godoy, Victoria, Pérez-Castellano, Nicasio, Garófalo, Daniel, Salvador-Montañés, Óscar, Calvo, Conrado J, Quintanilla, Jorge G, Peinado, Rafael, Mora-Jiménez, Inmaculada, Pérez-Villacastín, Julián, Rojo-Álvarez, J L, Filgueiras-Rama, David

“…A safety threshold for baseline rhythm R-wave amplitudes during follow-up of implantable cardioverter defibrillators (ICD) has not been established. We aimed…”
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Nonparametric Signal Processing Validation in T-Wave Alternans Detection and Estimation by Goya-Esteban, R., Barquero-Perez, O., Blanco-Velasco, M., Caamano-Fernandez, A. J., Garcia-Alberola, A., Rojo-Alvarez, J. L.

“…Although a number of methods have been proposed for T-Wave Alternans (TWA) detection and estimation, their performance strongly depends on their signal…”
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Traffic sign segmentation and classification using statistical learning methods by Lillo-Castellano, J.M., Mora-Jiménez, I., Figuera-Pozuelo, C., Rojo-Álvarez, J.L.

“…Traffic signs are an essential part of any circulation system, and failure detection by the driver may significantly increase the accident risk. Currently,…”
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Weaning outcome prediction from heterogeneous time series using Normalized Compression Distance and Multidimensional Scaling by Lillo-Castellano, J.M., Mora-Jiménez, I., Santiago-Mozos, R., Rojo-Álvarez, J.L., Ramiro-Bargueño, J., Algora-Weber, A.

“…► We propose a general, automated and auto-tuned system for weaning outcome prediction. ► We compare heterogeneous time series using Normalized Compression…”
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Digital recovery of biomedical signals from binary images by Sanromán-Junquera, M., Mora-Jiménez, I., Caamaño, A.J., Almendral, J., Atienza, F., Castilla, L., García-Alberola, A., Rojo-Álvarez, J.L.

“…Given the vast amount of historical clinical data to be incorporated from old hospital information systems into new emerging digital storing standards, digital…”
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Support vector machines in engineering: an overview by Salcedo-Sanz, S., Rojo-Álvarez, J. L., Martínez-Ramón, M., Camps-Valls, G.

“…This paper provides an overview of the support vector machine (SVM) methodology and its applicability to real‐world engineering problems. Specifically, the aim…”
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On the feasibility of tilt test outcome early prediction using ECG and pressure parameters by Gimeno-Blanes, FJ, Rojo-Álvarez, JL, Caamaño, AJ, Flores-Yepes, JA, García-Alberola, A

“…The tilt test is a valuable clinical tool for vasovagal syncope (VVS) diagnostic, and its early prediction from simple ECG and blood pressure-based parameters…”
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Symmetrical Compression Distance for Arrhythmia Discrimination in Cloud-Based Big-Data Services by Lillo-Castellano, J. M., Mora-Jimenez, I., Santiago-Mozos, R., Chavarria-Asso, F., Cano-Gonzalez, A., Garcia-Alberola, A., Rojo-Alvarez, J. L.

“…The current development of cloud computing is completely changing the paradigm of data knowledge extraction in huge databases. An example of this technology in…”
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Assessing the impact of temporary retail price discounts intervals using SVM semiparametric regression by Martínez-Ruiz, M. P., Mollá-Descals, A., Gómez-Borja, M. A., Rojo-Álvarez, J. L.

“…Although the marketing literature has found that temporary retail price discounts cause a significant sales increase, little is known about the specific…”
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Support vector machines framework for linear signal processing by Rojo-Álvarez, J.L., Camps-Valls, G., Martínez-Ramón, M., Soria-Olivas, E., Navia-Vázquez, A., Figueiras-Vidal, A.R.

“…This paper presents a support vector machines (SVM) framework to deal with linear signal processing (LSP) problems. The approach relies on three basic steps…”
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Optimal Axes for Data Value Estimation in Star Coordinates and Radial Axes Plots by Rubio‐Sánchez, M., Lehmann, D. J., Sanchez, A., Rojo‐Álvarez, J. L.

“…Radial axes plots are projection methods that represent high‐dimensional data samples as points on a two‐dimensional plane. These techniques define mappings…”
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Feature selection of seismic waveforms for long period event detection at Cotopaxi Volcano by Lara-Cueva, R.A., Benítez, D.S., Carrera, E.V., Ruiz, M., Rojo-Álvarez, J.L.

“…Volcano Early Warning Systems (VEWS) have become a research topic in order to preserve human lives and material losses. In this setting, event detection…”
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Fuzzy sigmoid kernel for support vector classifiers by Camps-Valls, G., Martín-Guerrero, J.D., Rojo-Álvarez, J.L., Soria-Olivas, E.

“…This Letter proposes the use of the fuzzy sigmoid function presented in (IEEE Trans. Neural Networks 14(6) (2003) 1576) as non-positive semi-definite kernel in…”
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Using daily store-level data to understand price promotion effects in a semiparametric regression model by Martínez-Ruiz, M.P., Mollá-Descals, A., Gómez-Borja, M.A., Rojo-Álvarez, J.L.

“…Though it has been widely reported in the marketing literature that temporary price discounts generate substantial short-term sales increase, the shape of the…”
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Support vector analysis of color-Doppler images: a new approach for estimating indices of left ventricular function by Rojo-Alvarez, J.L., Bermejo, J., Juarez-Caballero, V.M., Yotti, R., Cortina, C., Garcia-Fernandez, M.A., Antoranz, J.C.

“…Reliable noninvasive estimators of global left ventricular (LV) chamber function remain unavailable. We have previously demonstrated a potential relationship…”
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Classifying cardiac arrhythmic episodes via data compression by Lillo-Castellano, J.M., Rojo-Álvarez, J.L., Chavarría-Asso, F., García-García, A., Martín-Méndez, M., García-Alberola, A., Mora-Jiménez, I.

“…The rapid development of the cloud computing technology is favoring the emergence of new platforms offering a new broad range of possibilities for data…”
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Heart Rate Turbulence modeling using Boosted Regression Trees by Barquero-Perez, O., Goya-Esteban, R., Garcia-Alberola, A., Rojo-Alvarez, J. L.

“…Heart Rate Turbulence (HRT) is a relevant cardiac risk stratification criterion. It is accepted the baroreflex hypothesis as a source of the HRT. However,…”
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Big-data analytics for Arrhythmia Classification using data compression and kernel methods by Lillo-Castellano, J. M., Mora-Jimenez, I., Moreno-Gonzalez, R., Montserrat-Garcia-de-Pablo, M., Garcia-Alberola, A., Rojo-Alvarez, J. L.

“…Big data analytics is broadly used today in multiple research fields to discover and analyze hidden patterns and other useful information in large databases…”
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Support vector method for robust ARMA system identification by Rojo-Alvarez, J.L., Martinez-Ramon, M., de Prado-Cumplido, M., Artes-Rodriguez, A., Figueiras-Vidal, A.R.

“…This paper presents a new approach to auto-regressive and moving average (ARMA) modeling based on the support vector method (SVM) for identification…”
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Analysis of heart rate variability influence on heart rate turbulence using boosted regression trees in heart failure patients by Barquero-Perez, O, Cantero, S, Goya-Esteban, R, Figuera-Pozuelo, C, Garcia-Alberola, A, Rojo-Alvarez, J L

“…Heart Rate Turbulence (HRT) is a physiological phenomenon used as cardiac risk stratification criterion. The relationship between Heart Rate Variability (HRV)…”
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