Ara es mostren els items 23688-23707 de 87955

  • Detección y tratamiento de una componente estacional estable en una serie temporal 

    Prat Bartés, Albert (Universitat Politècnica de Barcelona. Centre de Càlcul, 1982-03)
    Article
    Accés obert
    En el presente trabajo se analiza la detección de una estacionalidad casi determinista en una serie temporal, mediante la utilización de una función de verosimilitud exacta en la fase de estimación del modelo univariante ...
  • Detecting and mitigating the impact of wideband jammers in IEEE 802.11 WLANs 

    García Villegas, Eduard; Gómez, Moisés; López Aguilera, M. Elena; Casademont Serra, Jordi (2010)
    Text en actes de congrés
    Accés obert
    IEEE 802.11 Wireless LANs (WLANs) are highly sensitive to Denial of Service (DoS) attacks carried out with jamming devices. In this paper we focus on 2.4GHz wideband constant jammers. The interest in the wideband jammer ...
  • Detecting clusters and their dynamics in the Forex Market 

    Renedo Mirambell, Martí (Universitat Politècnica de Catalunya, 2016-07)
    Treball Final de Grau
    Accés obert
    This project studies and implements the clustering methods introduced by Fenn et al. to detect correlations in the foreign exchange market. To deal with the potentially non linear nature of currency time series dependance, ...
  • Detecting end-effectors on 2.5D data using geometric deformable models: application to human pose estimation 

    Suau Cuadros, Xavier; Ruiz Hidalgo, Javier; Casas Pla, Josep Ramon (2013-03)
    Article
    Accés restringit per política de l'editorial
    End-effectors are usually related to the location of limbs, and their reliable detection enables robust body tracking as well as accurate pose estimation. Recent innovation in depth cameras has re-stated the pose estimation ...
  • Detecting freezing of gait with a tri-axial accelerometer in Parkinson’s disease patients 

    Ahlrichs, Claas; Samà Monsonís, Albert; Lawo, Michael; Cabestany Moncusí, Joan; Rodríguez Martín, Daniel Manuel; Pérez López, Carlos; Quinlan, Leo R.; ÓLaighin, Gearóid; Counihan, Timothy; Lewy, Hadas; Annicchiarico, Roberta; Bayés, Àngels; Rodríguez Molinero, Alejandro (2015-10-01)
    Article
    Accés obert
    Freezing of gait (FOG) is a common motor symptom of Parkinson’s disease (PD), which presents itself as an inability to initiate or continue gait. This paper presents a method to monitor FOG episodes based only on acceleration ...
  • Detecting heterogeneity in generalized linear modeling 

    Hernández Potiomkin, Yaroslav (Universitat Politècnica de Catalunya, 2017-02)
    Projecte Final de Màster Oficial
    Accés obert
    In classical model fitting techinques, such as traditional Multiple Linear Regression models (MLR) or Generalized Linear Models (GLM), the assumption is that the individuals come from homogeneous population. However, ...
  • Detecting invariant manifolds using hyperbolic Lagrangian coherent structures 

    Pérez, Daniel; Gómez Muntané, Gerard; Masdemont Soler, Josep (2012)
    Article
    Accés obert
    Using as reference test model the Planar Circular Restricted Three Body Prob- lem, this paper explores its Lagrangian Coherent Structures, as well as its Hy- perbolic Lagrangian Coherent Structures. The purpose is to ...
  • Detecting invariant manifolds using Lagrangian coherent structures 

    Pérez, Daniel; Gómez Muntané, Gerard; Masdemont Soler, Josep (2012)
    Text en actes de congrés
    Accés obert
    Using as reference test model the Planar Circular Restricted Three Body Problem, this paper explores its Lagrangian Coherent Structures, as well as its Hyperbolic Lagrangian Coherent Structures. The purpose is to identify ...
  • Detecting long-range teleconnections in the climate network via ordinal pattern time-series analysis 

    Deza, Juan Ignacio; Barreiro, Marcelo; Masoller Alonso, Cristina (2012)
    Comunicació de congrés
    Accés obert
  • Detecting malicious profiles in Twitter 

    Díaz, Vicente (Universitat Politècnica de Catalunya, 2012-09-13)
    Projecte Final de Màster Oficial
    Accés obert
    The popularity of Social Networks during the last years has caught the attention of cybercriminals for the distribution of Spam and malicious contents. In order to do that, they create fake ...
  • Detecting network issues in wireless community networks 

    Andrés Rodríguez, Alberto (Universitat Politècnica de Catalunya, 2013-03-13)
    Projecte Final de Màster Oficial
    Accés obert
    The possibilities that wireless technology offers have facilitated that multiple Internet communities have been built, independent of new business models on networks. These network communities had the aim to connect users ...
  • Detecting opportunities: neighbourhood data dynamics for urban regeneration in Valladolid (Spain) 

    Rivas Sanz, Juan Luis de las; Fernández-Maroto, Miguel; Rodrigo González, Enrique; Pérez-Eguíluz, Victor (Centre de Política de Sòl i Valoracions, 2016-07)
    Text en actes de congrés
    Accés obert
    Urban regeneration has become a priority for urban planning in Spain, because it is one of the best ways to foster a more sustainable, compact and mixed-use urban model, founded in the improvement of existing city. The ...
  • Detecting price and search discrimination on the Internet 

    Mikians, Jakub; Gyarmati, Laszlo; Erramilli, Vijay; Laoutaris, Nikolaos (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Price discrimination, setting the price of a given product for each customer individually according to his valuation for it, can benefit from extensive information collected online on the customers and thus contribute to ...
  • Detecting sentiment change in twitter streaming data 

    Bifet Figuerol, Albert Carles; Holmes, Geoffrey; Pfahringer, Bernhard; Gavaldà Mestre, Ricard (2011)
    Text en actes de congrés
    Accés obert
    MOA-TweetReader is a real-time system to read tweets in real time, to detect changes, and to fi nd the terms whose frequency changed. Twitter is a micro-blogging service built to discover what is happening at any moment ...
  • Detecting thread clusters in high-performance computing applications 

    Boixaderas Coderch, Isaac (Universitat Politècnica de Catalunya, 2015-05-25)
    Treball Final de Grau
    Accés obert
    [CATALÀ] Aquest projecte proposa una manera de detectar si existeixen diferències significatives entre els threads involucrats en l'execució d'una aplicació de "hihg-performance computing (HPC)", així com també un algorisme ...
  • Detecting unilateral phrenic paralysis by acoustic respiratory analysis 

    Fiz, José Antonio; Jané Campos, Raimon; Lozano, Manuel; Gomez, Rosa; Ruiz, Juan (2014-04-09)
    Article
    Accés obert
    The consequences of phrenic nerve paralysis vary from a considerable reduction in respiratory function to an apparently normal state. Acoustic analysis of lung sound intensity (LSI) could be an indirect non-invasive ...
  • Detecting which teaching competences should be reinforced in an engineering lecturer training program 

    López Álvarez, David; Pérez Poch, Antoni (European Society for Engineering Education (SEFI), 2016)
    Text en actes de congrés
    Accés obert
    In Catalonia (Spain), each university is required by law to offer lecturers a learning framework. This requirement is met by specialized centers: at our technical university, Universitat Politècnica de Catalunya (UPC) this ...
  • Detection and characterization of amplitude defects using spectral kurtosis 

    Sierra-Fernandez, Jose Maria; González de la Rosa, Juan José; Palomares-Salas, José Carlos; Agüera-Pérez, Agustín (SARTI, 2013)
    Article
    Accés obert
  • Detection and characterization of oscillatory transient using Spectral Kurtosis 

    Sierra-Fernandez, Jose Maria; González de la Rosa, Juan José; Agüera-Pérez, Agustín; Palomares-Salas, José Carlos (SARTI, 2013)
    Article
    Accés obert
  • Detection and handling of overlapping speech for speaker diarization 

    Zelenák, Martin (Universitat Politècnica de Catalunya, 2012-01-31)
    Tesi
    Accés obert
    For the last several years, speaker diarization has been attracting substantial research attention as one of the spoken language technologies applied for the improvement, or enrichment, of recording transcriptions. ...