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Listar por autor "Ortega Ramírez, Juan Antonio"
Mostrando ítems 21-40 de 191
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Ponencia
A Sensor Grid for Pressure and Movement Detection Supporting Sleep Phase Analysis
Gaiduk, Maksym; Kuhn, Ina; Seepold, Ralf; Ortega Ramírez, Juan Antonio; Martínez Madrid, Natividad (SpringerLink, 2017-04)Sleep quality and in general, behavior in bed can be detected using a sleep state analysis. These results can help a subject ...
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Artículo
A similarity measure between videos using alignment, graphical and speech features
Fuentes, D.; Bardeli, R.; Ortega Ramírez, Juan Antonio; González Abril, Luis (ScienceDirect, 2012)A novel video similarity measure is proposed by using visual features, alignment distances and speech transcripts. First, ...
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Artículo
A study of thematic areas in economy by a measure of similarities based on a Kernel
Velasco Morente, Francisco; González Abril, Luis; Ortega Ramírez, Juan Antonio; Álvarez García, Juan Antonio (Asociación Interciencia, 2010)Some results on the similarities among thirteen subjects in the Economy area between 1990 and 2003 are presented and a ...
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Artículo
A study on output normalization in multiclass SVMs
González Abril, Luis; Velasco Morente, Francisco; Angulo, C.; Ortega Ramírez, Juan Antonio (ScienceDirect, 2013-02)The use of binary support vector machines (SVMs) in multi-classification is addressed in this paper. Margins associated ...
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Artículo
A study on saving energy in artificial lighting by making smart use of wireless sensor networks and actuators
Fernández Montes González, Alejandro; González Abril, Luis; Ortega Ramírez, Juan Antonio; Velasco Morente, Francisco (IEEE Computer Society, 2009)This article is focused on adapting lighting conditions to user lighting preferences. A theoretical analysis of lighting ...
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Artículo
A Study on Saving Energy in Artificial Lighting by Making Smart Use of Wireless Sensor Networks and Actuators
Fernández Montes González, Alejandro; González Abril, Luis; Ortega Ramírez, Juan Antonio; Velasco Morente, Francisco (IEEE, 2009-12)This article is focused on adapting lighting conditions to user lighting preferences. A theoretical analysis of lighting ...
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Ponencia
A Video Similarity Measure Combining Alignment, Graphical and Speech Features
Fuentes Brenes, Daniel; Bardeli, R.; Ortega Ramírez, Juan Antonio; González Abril, Luis (Universidad de Sevilla, 2011-06)A large volume of video content on the web is available today, which demands efficient management. To effectively manage, ...
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Ponencia
Activity Recognition System Using AMEVA Method
Soria Morillo, Luis Miguel; González Abril, Luis; Álvarez de la Concepción, Miguel Ángel; Ortega Ramírez, Juan Antonio (Springer, 2012)This article aims to develop a minimally intrusive system of care and monitoring. Furthermore, the goal is to get a cheap, ...
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Ponencia
Activity Recognition System Using Non-intrusive Devices through a Complementary Technique Based on Discrete Methods
Álvarez de la Concepción, Miguel Ángel; Soria Morillo, Luis Miguel; González Abril, Luis; Ortega Ramírez, Juan Antonio (Springer, 2013)This paper aims to develop a cheap, comfortable and, spe cially, efficient system which controls the physical activity ...
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Ponencia
Advertising Liking Recognition Technique Applied to Neuromarketing by Using Low-Cost EEG Headset
Soria Morillo, Luis Miguel; Álvarez García, Juan Antonio; González Abril, Luis; Ortega Ramírez, Juan Antonio (Springer, 2015)In this paper a new neuroscience technique is applied into Marketing, which is becoming commonly known as the field of ...
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Artículo
Ameva: An autonomous discretization algorithm
González Abril, Luis; Cuberos, Francisco Javier; Velasco Morente, Francisco; Ortega Ramírez, Juan Antonio (ScienceDirect, 2009-04)This paper describes a new discretization algorithm, called Ameva, which is designed to work with supervised learning ...
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Tesis Doctoral
An adaptive and rule based driving system for energy-e cient and safe driving behaviour
Yay, Emre (2016-05-17)Saving energy and protecting the environment became fundamental for society and politics, why several laws were enacted ...
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Artículo
An adaptive methodology to discretize and select features
Álvarez de la Concepción, Miguel Ángel; González Abril, Luis; Soria Morillo, Luis Miguel; Ortega Ramírez, Juan Antonio (SciEdu Press, 2013)A lot of significant data describing the behavior or/and actions of systems can be collected in several domains. These ...
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Ponencia
An approach for saving energy in smart environments
Fernández Montes González, Alejandro; Ortega Ramírez, Juan Antonio; González Abril, Luis; Vilchez Lobato, María Luisa; Soria Morillo, Luis Miguel (Universidad de Sevilla, 2009-06)This article is focused on adapting lighting conditions to user lighting preferences. A theoretical analysis of lighting ...
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Ponencia
An approach to a reference model for a sentient smart city
Sánchez Venzalá, José I.; Fernández Montes González, Alejandro; Ortega Ramírez, Juan Antonio (Universidad de Sevilla, 2013)The interest about Smart City concept has in creased in recent years. In fact, Smart Cities is ex pected to improve cityzens ...
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Ponencia
An aprroximation to the features of smart home prediction algorithms
Fernández Montes González, Alejandro; Cruz, M. R.; Álvarez García, Juan Antonio; Ortega Ramírez, Juan Antonio; Torres Valderrama, Jesús; Velasco Morente, Francisco; González Abril, Luis (Universidad de Girona: Servei de Publicacions, 2007-06)This paper reviews the goals of the Domoweb project and the solutions adopted to achieve them. As a result we enjoy a ...
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Ponencia
An extended chronicle discovery approach to find temporal patterns between sequences
Álvarez, M.A.; Subias, A.; Travé-Massuyès, L.; González Abril, Luis; Ortega Ramírez, Juan Antonio (Colectivo ARCA: Automatización del Razonamiento Cualitativo y Aplicaciones, 2012-06)Sequences of events describing the behavior and actions of users or systems can be collected in several domains. An episode ...
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Ponencia
An extended chronicle discovery approach to find temporal patterns between sequences
Álvarez, M. A.; Subias, A.; Travé-Massuyés, L.; González Abril, Luis; Ortega Ramírez, Juan Antonio (Colectivo ARCA: Automatización del Razonamiento Cualitativo y Aplicaciones, 2012)Sequences of events describing the behavior and actions of users or systems can be collected in sev eral domains. An ...
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Artículo
An object-oriented approach for learning of algorithm design with sequential devices and schemas
Ortega Ramírez, Juan Antonio; Martínez Gasca, Rafael; Toro Bonilla, Miguel (2001) -
Ponencia
An Orientation Service for Dependent People Based on an Open Service Architecture
Fernández Montes González, Alejandro; Álvarez García, Juan Antonio; Ortega Ramírez, Juan Antonio; Martínez Madrid, Natividad; Seepold, Ralf (Springer, 2007)This article describes a service architecture for ambient assisted liv ing and in particular an orientation navigation ...