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Browsing by Author "Villegas, Mauricio"

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Browsing by Author "Villegas, Mauricio"

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    An evaluation of video-to-video face verification 
    Poh, Norman; Chan, Chi Ho; Kittler, Josef; Marcel, Sébastien; McCool, Christopher; Aragonés Rúa, Enrique; Alba Castro, Jose Luis; Villegas, Mauricio; Paredes Palacios, Roberto; Struc, Vitomir; Pavesic, Nikola; Salah, Albert Ali; Fang, Hui; Costen, Nicholas (Institute of Electrical and Electronics Engineers (IEEE), 2010-12)
    [EN] Person recognition using facial features, e.g., mug-shot images, has long been used in identity documents. However, due to the widespread use of web-cams and mobile devices embedded with a camera, it is now possible ...
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    Dimensionality reduction by minimizing nearest-neighbor classification error 
    Villegas, Mauricio; Paredes Palacios, Roberto (Elsevier, 2011-03)
    There is a great interest in dimensionality reduction techniques for tackling the problem of high-dimensional pattern classification. This paper addresses the topic of supervised learning of a linear dimension reduction ...
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    Face Recognition in Color Using Complex and Hypercomplex Representation 
    Villegas, Mauricio; Paredes Palacios, Roberto (Springer Verlag (Germany), 2007)
    Color has plenty of discriminative information that can be used to improve the performance of face recognition algorithms, although it is difficult to use it because of its high variability. In this paper we investigate ...
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    Face Video Competition 
    Poh, N; Chan, CH; Kittler, J; Marcel, S; Mc Cool, C; Rua, EA; Alba Castro, JL; Villegas, Mauricio; Paredes Palacios, Roberto; Struc, V; Pavesic, N; Salah, AA; Fang, H; Costen, N (2009)
    Person recognition using facial features, e.g., mug-shot images, has long been used in identity documents. However, due to the widespread use of web-cams and mobile devices embedded with a camera, it is now possible to ...
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    General Overview of ImageCLEF at the CLEF 2016 Labs 
    Villegas, Mauricio; Mueller, Henning; Seco de Herrera, Alba Garcia; Schaer, Roger; Bromuri, Stefano; Gilbert, Andrew; Piras, Luca; Wang, Josiah; Yan, Fei; Ramisa, Arnau; Dellandrea, Emmanuel; Gaizauskas, Robert; Mikolajczyk, Krystian; Puigcerver I Pérez, Joan; Toselli, Alejandro Héctor; Sánchez Peiró, Joan Andreu; Vidal Ruiz, Enrique (Springer Verlag (Germany), 2016)
    This paper presents an overview of the ImageCLEF 2016 evaluation campaign, an event that was organized as part of the CLEF (Conference and Labs of the Evaluation Forum) labs 2016. ImageCLEF is an ongoing initiative that ...
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    ImageCLEF 2013: The vision, the data and the open challenges 
    Caputo ., Barbara; Muller ., Henning; Thomee ., Bart; Villegas, Mauricio; Paredes Palacios, Roberto; Zellhofer ., David; Goeau ., Herve; Joly ., Alexis; Bonnet, Pierre; Martínez Gómez, Jesús; García Varea, Ismael; Cazorla ., Miguel (Springer Verlag (Germany), 2013)
    This paper presents an overview of the ImageCLEF 2013 lab. Since its first edition in 2003, ImageCLEF has become one of the key initiatives promoting the benchmark evaluation of algorithms for the cross-language annotation ...
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    Restricted Boltzmann Machines for Gender Classification 
    Mansanet Sandín, Jorge; Albiol Colomer, Alberto; Paredes Palacios, Roberto; Villegas, Mauricio; Albiol Colomer, Antonio José (Springer Verlag (Germany), 2014-10-10)
    This paper deals with automatic feature learning using a generative model called Restricted Boltzmann Machine (RBM) for the problem of gender recognition in face images. The RBM is presented together with some practical ...