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Visualitzant Articles (Departament de Tecnologies de la Informació i les Comunicacions) per data de publicació

Visualitzant Articles (Departament de Tecnologies de la Informació i les Comunicacions) per data de publicació

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  • Spa Carvajal, Carlos; Garriga, Adan; Escolano, José (Elsevier, 2009)
    The Pseudo-Spectral Time Domain (PSTD) method is an alternative time-marching method to classical leapfrog finite difference schemes in/nthe simulation of wave-like propagating phenomena. It is based on the fundamentals ...
  • Maestre Gómez, Esteban; Ramírez, Rafael,1966-; Kersten, Stefan; Serra, Xavier (MIT Press, 2009)
    Here we describe an approach to the expressive synthesis of jazz saxophone melodies that reuses audio recordings and carefully concatenates note samples. The aim is to generate an expressive audio sequence from the analysis ...
  • Maestre Gómez, Esteban; Ramírez, Rafael,1966- (IOS Press, 2009)
    We present a machine learning approach to modeling bowing control parameter/ncontours in violin performance. Using accurate sensing techniques/nwe obtain relevant timbre-related bowing control parameters such as bow/ntransversal ...
  • Ferradans Ramonde, Sira; Bertalmío, Marcelo; Caselles, Vicente (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Demosaicking is a particular case of interpolation problems where, from a scalar image in which each pixel has either the red, the green or the blue component, we want to interpolate the full-color image. State-of-the-art ...
  • Alvino, Serena; Asensio-Pérez, Juan I.; Dimitriadis, Yannis; Hernández Leo, Davinia (Taylor & Francis (Routledge), 2009)
    Distance and blended collaborative learning settings are usually characterized by different social structures defined in terms of groups' number, dimension, and composition; these structures are variable and can change ...
  • Angelosante, Daniele; Biglieri, Ezio; Lops, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Wireless “MIMO” systems, employing multiple transmit and receive antennas, promise a significant increase of channel capacity, while orthogonal frequency-division multiplexing (OFDM) is attracting a good deal of attention ...
  • Serrà Julià, Joan; Serra, Xavier; Andrzejak, Ralph Gregor (Institute of Physics (IOP), 2009)
    There is growing evidence that nonlinear time series analysis techniques can be used to successfully characterize, classify, or process signals derived from realworld dynamics even though these are not necessarily deterministic ...
  • Girardin, Fabien; Vaccari, Andrea; Gerber, Alexander; Biderman, Assaf; Ratti, Carlo (Joint Research Centre of the European Commission, 2009)
    In the past, sensors networks in cities have been limited to fixed sensors, embedded in particular locations, under centralised control. Today, new applications can leverage wireless devices and use them as sensors to ...
  • Chicharro Raventós, Daniel; Andrzejak, Ralph Gregor (American Physical Society, 2009)
    To detect directional couplings from time series various measures based on distances in reconstructed state spaces were introduced. These measures can, however, be biased by asymmetries in the dynamics' structure, noise ...
  • Biglieri, Ezio; Hong, Yi; Viterbo, Emanuele (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    We focus on full-rate, fast-decodable space–time block codes (STBCs) for 2 x 2 and 4 x 2 multiple-input multiple-output (MIMO) transmission. We first derive conditions and design criteria for reduced-complexity maximum-likelihood ...
  • Clerckx, Bruno; Lozano Solsona, Angel; Sesia, Stefania; van Rensburg, Cornelius; Papadias, Constantinos B. (Hindawi, 2009)
  • Angelosante, Daniele; Biglieri, Ezio; Lops, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    The problem of jointly estimating the number, the identities, and the data of active users in a time-varying multiuser environment was examined in a companion paper (IEEE Trans. Information Theory, vol. 53, no. 9, September ...
  • Sezginer, Serdar; Sari, Hikmet; Biglieri, Ezio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    The 2×2 MIMO profiles included in Mobile WiMAX specifications are Alamouti’s space-time code (STC) fortransmit diversity and spatial multiplexing (SM). The former has/nfull diversity and the latter has full rate, but neither ...
  • Villa-Uriol, Maria-Cruz; Larrabide, Ignacio, 1978-; Pozo Soler, José Ma. (José María); Kim, Minsuok; Camara, Oscar; De Craene, Mathieu; Zhang, Chong; Geers, Arjan; Morales, Hernán G.; Bogunovic, Hrvoje; Cardenes, Rubén; Frangi Caregnato, Alejandro (Royal Society, 2010)
    In the last few years, some of the visionary concepts behind the virtual physiological human began to be demonstrated on various clinical domains, showing great promise for improving healthcare management. In the current ...
  • Balocco, Simone; Basset, Olivier; Courbebaisse, Guy; Boni, Enrico; Frangi Caregnato, Alejandro; Tortoli, Piero; Cachard, Christian (Institute of Physics (IOP), 2010)
    Human arteries affected by atherosclerosis are characterized by altered wall viscoelastic properties. The possibility of noninvasively assessing arterial viscoelasticity in vivo would significantly contribute to the early ...
  • Bogunovic, Hrvoje; Pozo Soler, José Ma. (José María); Villa-Uriol, Maria-Cruz; Majoie, Charles B. L. M.; van den Berg, Rene; Gratama van Andel, Hugo A. F.; Macho, Juan M.; Blasco, Jordi; San Román, Luis; Frangi Caregnato, Alejandro (American Association of Physicists in Medicine (AAPM), 2010)
    Purpose: To evaluate the suitability of an improved version of an automatic segmentation method based on geodesic active regions (GAR) for segmenting cerebral vasculature with aneurysms from 3D X-ray reconstruc-/ntion ...
  • Benkner, Siegfried; Arbona, Antonio; Berti, Guntram; Chiarini, Alessandro; Dunlop, Robert; Engelbrecht, Gerhard; Frangi Caregnato, Alejandro; Friedrich, Christoph M.; Hanser, Susanne; Hasselmeyer, Peer; Hose, D. Rodney; Iavindrasana, Jimison; Köhler, Martin; Lo Iacono, Luigi; Lonsdale, Guy; Meyer, Rodolphe; Moore, Bob; Rajasekaran, Hariharan; Summers, Paul E.; Wöhrer, Alexander; Wood, Steven (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    The increasing volume of data describing human/ndisease processes and the growing complexity of understanding, managing, and sharing such data presents a huge challenge for clinicians and medical researchers. This paper ...
  • Ortega-Garcia, Javier; Fierrez, Julian; Alonso-Fernández, Fernando; Galbally, Javier; Freire, Manuel R.; González-Rodríguez, Joaquín; García-Mateo, Carmen; Alba-Castro, José-Luís; González-Agulla, Elisardo; Otero-Muras, Enrique; García-Salicetti, Sonia; Allano, Lorene; Ly-Van, Bao; Dorizzi, Bernadette; Kittler, Josef; Bourlai, Thirimachos; Poh, Norman; Deravi, Farzin; Ng, Ming W.R.; Fairhurst, Michael; Hennebert, Jean; Humm, Andreas; Tistarelli, Massimo; Brodo, Linda; Richiardi, Jonas; Drygajlo, Andrzej; Ganster, Harald; Sukno, Federico M.; Pavani, Sri-Kaushik; Frangi Caregnato, Alejandro; Akarun, Lale; Savran, Arman (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    A new multimodal biometric database designed and acquired within the framework of the European BioSecure Network of Excellence is presented. It is comprised of more than 600 individuals acquired simultaneously in three ...
  • Laufer, Shlomi; Ivorra Cano, Antoni, 1974-; Reuter, Victor E.; Rubinsky, Boris; Solomon, Stephen B. (IOP Publishing, 2010)
    The four-electrode method was used to measure the ex-vivo complex electrical impedance of tissues from14 hepatic tumors and the surrounding normal liver from 6 patients. Measurements were done in the frequency range of 1 ...
  • Faridi, Azadeh; Palattella, Maria Rita; Lozano Solsona, Angel; Dohler, Mischa; Boggia, Gennaro; Grieco, Luigi Alfredo; Camarda, Pietro (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Supported by IEEE 802.15.4 standardization activities, embedded networks have been gaining popularity in recent years. The focus of this paper is to quantify the behavior of key networking metrics of IEEE 802.15.4 ...