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Auflistung nach Autor:in "Sanchez-Reillo, Raul"

1 - 2 von 2
  • Konferenzbeitrag
    Spectral selection for a biometric recognition system based on hand veins detection through image spectrometry
    (BIOSIG 2009: biometrics and electronic signatures, 2009) Cortés, Franciso; Aranda, José M.; Sanchez-Reillo, Raul; Meléndez, Juan; López, Fernando
    This paper presents the result of a work orientated to the spectral optimization of the acquisition devices in vascular biometrics systems. Spectral windows are proposed which will allow to design a multispectral system with a few and well defined bands, obtaining a more robust and reliable device, compared with the standard single band systems. This is in accordance to general trend of electro-optical and infrared acquisition systems in the field of the detection and remote sensing, where the work focus is on obtaining optimized bands. To carry out this work a Hyperespectral Imaging System (HIS) has been used as the acquisition system. In order to analyze the large amount of information and to select the spectral bands, a Principal Component Analysis (PCA) has been done.
  • Konferenzbeitrag
    Usability analysis of dynamic signature verification in mobile environments
    (BIOSIG 2013, 2013) Blanco-Gonzalo, Ramon; Sanchez-Reillo, Raul; Liu-Jimenez, Judith
    Biometrics has experienced significant advances during the last years becoming involved in several systems. Nevertheless, many of these systems are rejected by users due to a lack of usability. This indicates that the user-system interaction is a factor which needs to be improved in biometric environments. Even less studied, are the dynamic modalities (gait, signature, voice, etc.) which include behavioural conditions which exhibit greater variability from person to person. This paper showcases some of the latest efforts made by authors in the analysis of usability in dynamic signature verification (DSV). Several outcomes (such as the importance of the styluses used or stress in users) were extracted in order to establish guidelines for future developments.