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Aproximadamente 33 registro(s) hasta el momento: (journal)

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Newton additive and multiplicative Schwarz iterative methods
Arnal García, Josep - Migallón Gomis, Violeta - Penadés Martínez, José - Szyld, Daniel B.

Formato:	info:eu-repo/semantics/preprint
Enlaces:	Convergence properties are presented for Newton additive and multiplicative Schwarz (AS and MS) iterative methods for the solution of nonlinear systems in several variables. These methods consist of approximate solutions of the linear Newton step using either AS or MS…
Fecha:	2007-10-03
Recurso:	RUA Docencia

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X Workshop of Physical Agents (WAF'2009)
Bustos García de Castro, Pablo - Bachiller Burgos, Pilar

Formato:	info:eu-repo/semantics/article
Enlaces:	The Workshop of Physical Agents intends to be a forum for information and experience exchange in different areas regarding the concept of embodied agents, especially applied to the control and coordination of autonomous system: robots, mobile robots, industrial processes or…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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Multi-cue visual obstacle detection for mobile robots
Manso Fernández-Arguelles, Luis Jesús - Bustos García de Castro, Pablo - Bachiller Burgos, Pilar - Moreno del Pozo, José

Formato:	info:eu-repo/semantics/article
Enlaces:	Autonomous navigation is one of the most essential capabilities of autonomous robots. In order to navigate autonomously, robots need to detect obstacles. While many approaches achieve good results tackling this problem with lidar sensor devices, vision based approaches are cheaper…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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Large scale egomotion and error analysis with visual features
Cazorla Quevedo, Miguel Ángel - Viejo Hernando, Diego - Hernández Gutiérrez, Andrés - Nieto, Juan - Nebot, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	Several works deal with 3D data in SLAM problem but many of them are focused on short scale maps. In this paper, we propose a method that can be used for computing the 6DoF trajectory performed by a robot from…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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Mission specification in underwater robotics
Fernández Perdomo, Enrique - Cabrera Gámez, Jorge - Domínguez Brito, Antonio Carlos - Hernández Sosa, Daniel

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper describes the utilization of software design patterns and plan-based mission specification in the definition of AUVs missions. Within this approach, a mission is described in terms of a set of task-oriented plans in order to simplify mission definition…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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Balanced multi-robot exploration through a global optimization strategy
Wu, Ling - Puig Valls, Domenec - García García, Miguel Ángel

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper reviews the state of the art in coordinated multi-robot exploration and proposes a new exploration objective based on a practical scenery, reducing the difference of waiting time among different regions of a workspace, which has not been still…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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Design an evaluation of RoboCup humanoid goalie
García Sierra, Juan Felipe - Rodríguez Lera, Francisco Javier - Fernández Llamas, Camino - Matellán Olivera, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	In this article we describe the ethological inspired architecture we have developed and how it has been used to implement a humanoid goalkeeper according to the regulations of the two-legged Standard Platform League of the RoboCup Federation. We present relevant…
Fecha:	2010-06-11
Recurso:	RUA Docencia

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Nonstationary multisplittings with general weighting matrices
Migallón Gomis, Violeta - Penadés Martínez, José - Szyld, Daniel B.

Formato:	info:eu-repo/semantics/article
Enlaces:	In the convergence theory of multisplittings for symmetric positive definite (s.p.d.) matrices it is usually assumed that the weighting matrices are scalar matrices, i.e., multiples of the identity. In this paper, this restrictive condition is eliminated. In its place it…
Fecha:	2007-10-04
Recurso:	RUA Docencia

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XII Workshop of Physical Agents (WAF'2011)
García Varea, Ismael - Rodríguez Ruiz, Luis

Formato:	info:eu-repo/semantics/article
Enlaces:	The Workshop of Physical Agents intends to be a forum for information and experience exchange in different areas regarding the concept of agent in physical environments, especially applied to the control and coordination of autonomous systems: robots, mobile robots, industrial…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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10.

Recognition of standard platform RoboCup goals
Cañas Plaza, José María - Perdices García, Eduardo - González Sánchez, Tomás - Puig Valls, Domenec

Formato:	info:eu-repo/semantics/article
Enlaces:	RoboCup provides a common research framework where a wide range of problems closely related to robotics and artificial intelligence must be addressed. The main focus of the RoboCup activities is competitive soccer. Thus, the visual identification of players and play-field…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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11.

Affine image region detection and description
Vázquez Martín, Ricardo - Marfil Robles, Rebeca - Bandera Rubio, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper describes a novel approach for affine invariant region detection and description. At the detection stage, a hierarchical clustering mechanism is employed to group image pixels into regions. This process is based on the Bounded Irregular Pyramid (BIP) and…
Fecha:	2010-02-11
Recurso:	RUA Docencia

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12.

Determining high safety risk scenarios by applying context information
Worrall, Stewart - Orchansky, David - Masson, Favio - Nieto, Juan - Nebot, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	When mining vehicle operators take risks, there is a increased probability of an accident that can cause injuries, fatalities and large financial costs to the mine operators. It can be assumed that the operators do not intentially take unnecessarily high…
Fecha:	2010-06-11
Recurso:	RUA Docencia

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13.

Probabilistic estimation of unmarked roads using radar
Nieto, Juan - Hernández Gutiérrez, Andrés - Nebot, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper presents a probabilistic framework for unmarked roads estimation using radar sensors. The algorithm models the sensor likelihood function as a Gaussian mixture model. This sensor likelihood is used in a Bayesian approach to estimate the road edges probability…
Fecha:	2010-06-11
Recurso:	RUA Docencia

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14.

Task reallocation in multi-robot formations
Agmon, Noa - Kaminka, Gal A. - Kraus, Sarit - Traub, Meytal

Formato:	info:eu-repo/semantics/article
Enlaces:	This paper considers the task reallocation problem, where k robots are to be extracted from a coordinated group of N robots in order to perform a new task. The interaction between the team members and the cost associated with this…
Fecha:	2010-06-11
Recurso:	RUA Docencia

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15.

Large scale environment partitioning in mobile robotics recognition tasks
Bonev, Boyan - Cazorla Quevedo, Miguel Ángel

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper we present a scalable machine learning approach to mobile robots visual localization. The applicability of machine learning approaches is constrained by the complexity and size of the problem’s domain. Thus, dividing the problem becomes necessary and two…
Fecha:	2010-06-11
Recurso:	RUA Docencia

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16.

Learning in real robots from environment interaction
Quintía Vidal, Pablo - Iglesias Rodríguez, Roberto - Rodríguez González, Miguel Ángel - Vázquez Regueiro, Carlos - Valdés Villarrubia, Fernando

Formato:	info:eu-repo/semantics/article
Enlaces:	This article describes a proposal to achieve fast robot learning from its interaction with the environment. Our proposal will be suitable for continuous learning procedures as it tries to limit the instability that appears every time the robot encounters a…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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17.

Engaging human-to-robot attention using conversational gestures and lip-synchronization
Cid Burgos, Felipe - Manso Fernández-Arguelles, Luis Jesús - Calderita, Luis V. - Sánchez, Agustín - Núñez Trujillo, Pedro

Formato:	info:eu-repo/semantics/article
Enlaces:	Human-Robot Interaction (HRI) is one of the most important subfields of social robotics. In several applications, text-to-speech (TTS) techniques are used by robots to provide feedback to humans. In this respect, a natural synchronization between the synthetic voice and the…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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18.

Obstacle avoidance in underwater glider path planning
Isern González, Josep - Hernández Sosa, Daniel - Fernández Perdomo, Enrique - Cabrera Gámez, Jorge - Domínguez Brito, Antonio Carlos - Prieto Marañón, Víctor

Formato:	info:eu-repo/semantics/article
Enlaces:	Underwater gliders have revealed as a valuable scientific platform, with a growing number of successful environmental sampling applications. They are specially suited for long range missions due to their unmatched autonomy level, although their low surge speed make them strongly…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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19.

Local robot navigation based on an active visual short-term memory
Vega Pérez, Julio - Cañas Plaza, José María - Perdices García, Eduardo

Formato:	info:eu-repo/semantics/article
Enlaces:	Vision devices are today one of the most often used sensory elements in autonomous robots. Some of their hindrances are the difficulty in extracting useful information from the captured images and the small visual field of regular cameras. Visual attention…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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20.

Multi-agent system for fast deployment of a guide robot in unknown environments
Canedo Rodríguez, Adrián - Álvarez Santos, Víctor - Vázquez Regueiro, Carlos - Pardo López, Xose Manuel - Iglesias Rodríguez, Roberto

Formato:	info:eu-repo/semantics/article
Enlaces:	Nowadays, deploying service robots and adapting their services to a new environment is a task which might require several days. This is an important problem of robotics in general, but specially when the goal is to bring robots to our…
Fecha:	2012-03-15
Recurso:	RUA Docencia

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21.

A grammatical approach to the modeling of an autonomous robot
López García, Gabriel - Gallego Sánchez, Antonio Javier - Dalmau Espert, J. Luis - Molina Carmona, Rafael - Compañ Rosique, Patricia

Formato:	info:eu-repo/semantics/article
Enlaces:	Virtual Worlds Generator is a grammatical model that is proposed to define virtual worlds. It integrates the diversity of sensors and interaction devices, multimodality and a virtual simulation system. Its grammar allows the definition and abstraction in symbols strings of…
Fecha:	2012-10-15
Recurso:	RUA Docencia

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22.

Jde-neoc: component oriented software architecture for robotics
Cañas Plaza, José María - Ruiz Ayúcar, Jesús - Agüero Durán, Carlos - Martín Rico, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper we present our software framework for robotic applications, jde-neoc. This is the second implementation of our cognitive behavior-based architecture JDE, and it is aimed to overcome some of the limitations observed in three years using the first…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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23.

Robot navigation behaviors based on omnidirectional vision and information theory
Bonev, Boyan - Cazorla Quevedo, Miguel Ángel - Escolano Ruiz, Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	In this work we present a reactive autonomous robot navigation system based only on omnidirectional vision. It does not rely on any prior knowledge about the environment apart from assuming a structured one, like indoor corridors or outdoor avenues. The…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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24.

Indoor fuzzy self-localization using fuzzy segments
Herrero Pérez, David - Martínez Barberá, Humberto

Formato:	info:eu-repo/semantics/article
Enlaces:	The research presented in this paper approaches the issue of indoor localization using the fuzzy logic framework for modeling and dealing with the uncertainty of the position measurements. Fuzzy logic presents properties that make it suitable tool to represent and…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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25.

P2P audio/video protocol with global positioning data in real time for mobile devices
Aguirre Pastor, José Vicente - Álvarez Sánchez, Rafael Ignacio - Tortosa Grau, Leandro - Vicent Francés, José Francisco

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper, we propose an original method to geoposition an audio/video stream with multiple emitters that are at the same time receivers of the mixed signal. The obtained method is suitable when a list of positions within a known…
Fecha:	2012-11-23
Recurso:	RUA Docencia

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26.

A secret sharing scheme based on exponentiation in Galois fields
Gallardo Calero, Clara M. - Tortosa Grau, Leandro - Vicent Francés, José Francisco - Zamora Gómez, Antonio

Formato:	info:eu-repo/semantics/article
Enlaces:	To provide more efficient and flexible alternatives for the applications of secret sharing schemes, this paper describes a threshold sharing scheme based on exponentiation of matrices in Galois fields. A significant characteristic of the proposed scheme is that each participant…
Fecha:	2012-11-23
Recurso:	RUA Docencia

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27.

Learning and adaptation in physical heterogeneous teams of robots
Rosa Esteva, Josep Lluis de la - Muñoz Moreno, Israel

Formato:	info:eu-repo/semantics/article
Enlaces:	In this paper we present a novel approach to assigning roles to robots in a team of physical heterogeneous robots. Its members compete for these roles and get rewards for them. The rewards are used to determine each agent’s preferences…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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28.

Voronoi-based space partitioning for coordinated multi-robot exploration
Wu, Ling - García García, Miguel Ángel - Puig Valls, Domenec - Solé Ribalta, Albert

Formato:	info:eu-repo/semantics/article
Enlaces:	Recent multi-robot exploration algorithms usually rely on occupancy grids as their core world representation. However, those grids are not appropriate for environments that are very large or whose boundaries are not well delimited from the beginning of the exploration. In…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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29.

MACSimJX: a tool for enabling agent modelling with Simulink using JADE
Robinson, Charles R. - Mendham, Peter - Clarke, Tim

Formato:	info:eu-repo/semantics/article
Enlaces:	MACSimJX provides the means for advanced modelling and development of multiagent driven control systems. This is achieved by drawing together two modelling tools used extensively in their respective communities. These are Simulink, a tool used for control systems development and…
Fecha:	2011-03-15
Recurso:	RUA Docencia

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30.

Children’s relationships with robots: robot is child’s new friend
Fior, Meghann - Nugent, Sarah - Beran, Tanya N. - Ramírez-Serrano, Alejandro - Kuzyk, Roman

Formato:	info:eu-repo/semantics/article
Enlaces:	The purpose of this study was to examine how children think about and attribute features of friendship to a robot after a brief interaction with one. Children visiting a science centre located in a major Western Canadian city were randomly…
Fecha:	2011-03-15
Recurso:	RUA Docencia

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31.

A fuzzy system for detection of interaction demanding and nodding assent based on stereo vision
Aguirre Molina, Eugenio - García Silvente, Miguel - González Muñoz, Antonio - Paúl Oliveira, Rui - Muñoz Salinas, Rafael

Formato:	info:eu-repo/semantics/article
Enlaces:	Despite of the advances achieved in the past years in order to design more natural interfaces between intelligent systems and humans, there is still a great effort to be done. Considering a robot as an intelligent system, the determination of…
Fecha:	2009-11-23
Recurso:	RUA Docencia

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32.

Towards semi-supervised learning of semantic spatial concepts for mobile robots
Martínez Gómez, Jesús - Caputo, Barbara

Formato:	info:eu-repo/semantics/article
Enlaces:	The ability of building robust semantic space representations of environments is crucial for the development of truly autonomous robots. This task, inherently connected with cognition, is traditionally achieved by training the robot with a supervised learning phase. We argue that…
Fecha:	2011-03-15
Recurso:	RUA Docencia

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33.

GPGPU implementation of growing neural gas: application to 3D scene reconstruction
Orts Escolano, Sergio - García Rodríguez, José - Viejo Hernando, Diego - Cazorla Quevedo, Miguel Ángel - Morell Giménez, Vicente

Formato:	info:eu-repo/semantics/article
Enlaces:	Self-organising neural models have the ability to provide a good representation of the input space. In particular the Growing Neural Gas (GNG) is a suitable model because of its flexibility, rapid adaptation and excellent quality of representation. However, this type…
Fecha:	2013-11-27
Recurso:	RUA Docencia