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Mostrando ítems 1-10 de 10
Artículo
Digital predistortion of power amplifiers using structured compressed-sensing Volterra series
(The Institution of Engineering and Technology, 2017-01)
Digital predistortion has become an attractive technique for power amplifier linearisation whose limiting factor for using Volterra series as the underlying model is its computational complexity, since the number of ...
Artículo
Automatic CDR Estimation for Early Glaucoma Diagnosis
(Hindawi, 2017)
Glaucoma is a degenerative disease that constitutes the second cause of blindness in developed countries. Although it cannot be cured, its progression can be prevented through early diagnosis. In this paper, we propose a ...
Ponencia
Algoritmo de segmentación de lesiones pigmentadas de la piel basado en minimización de energías
(Sociedad Española de Ingeniería Biomédica, 2017)
El objetivo de este trabajo ha sido el desarrollo de un nuevo algoritmo de segmentación de lesiones pigmentadas de la piel basado en minimización de energía mediante relajación convexa [1], utilizando imágenes ...
Artículo
Transmitter Linearization Adaptable to Power-Varying Operation
(IEEE, 2017-10)
This paper presents the design of a power-scalable digital predistorter (DPD) for transmitter architectures. The target is to accomplish the joint compensation of impairments due to the I/Q modulator and nonlinearities ...
Artículo
Optimization of Alpha-Beta Log-Det Divergences and their Application in the Spatial Filtering of Two Class Motor Imagery Movements
(MDPI, 2017-02-25)
The Alpha-Beta Log-Det divergences for positive definite matrices are flexible divergences that are parameterized by two real constants and are able to specialize several relevant classical cases like the squared Riemannian ...
Artículo
Smart Device for the Determination of Heart Rate Variability in Real Time
(Hindawi, 2017-11)
This work presents a first approach to the design, development, and implementation of a smart device for the real-time measurement and detection of alterations in heart rate variability (HRV). The smart device follows a ...
Artículo
Design and implementation of a standardised framework for the management of a wireless body network in an Mobile Health environment
(IET (Institution of Engineering and Technology), 2017-05-01)
The design and implementation of a framework that facilitates the development of Mobile Health applications to manage the communications with biomedical sensors in compliance with the CEN ISO/IEEE 11073 standard family are ...
Artículo
Formal deduction of a Volterra series model for complex-valued systems
(Elsevier, 2017-02)
This paper demonstrates a general model for nonlinear systems with complex-valued inputs and its application to communication systems modeling. Based on Wirtinger calculus and a double Volterra series approach, the proposed ...
Ponencia
Detección y clasificación de patrones globales en lesiones pigmentadas
(Sociedad Española de Ingeniería Biomédica, 2017)
El objetivo principal del trabajo es clasificar una lesión pigmentada dada en tres tipos de patrones globales: reticulado, globular y homogéneo. Para ello, primero se ha procedido a buscar el método óptimo de segmentación ...
Tesis Doctoral
Segmentación de tejidos con contornos difusos en imágenes radiológicas
(2017-06-26)
En la presente tesis se han desarrollado dos algoritmos innovadores para la segmentación de tumores retroperitoneales en imágenes radiológicas en 3D, ambos basados en la metodología de relajación convexa. Un algoritmo hace ...