Ara es mostren els items 1-20 de 112

    • 3D Depth Sensing 

      Pavlidis, George; Royo Royo, Santiago (Arc Humanities Press, 2017-09-01)
      Capítol de llibre
      Accés restringit per política de l'editorial
    • A full Stokes imaging polarimeter based on a consumer CMOS camera 

      Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Nowadays, taking advantage of polarization allows enhancing the contrast of a detected object and extending the information of the scene compared to conventional intensity imagery, as the information added by polarimetric ...
    • A LiDAR imaging system using temporal and polarization discrimination for turbid media 

      Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Rodríguez Aramendía, Ana; García Gómez, Pablo; Rodrigo Arcay, Noel; Royo Royo, Santiago (2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In recent times, there has been a surge of interest in LiDAR imaging systems, particularly in outdoor terrestrial applications associated with computer vision. However, a significant hurdle preventing their widespread ...
    • A nanometric displacement measurement system using differential optical feedback interferometry 

      Azcona Guerrero, Francisco Javier; Atashkhooei, Reza; Royo Royo, Santiago; Méndez Astudillo, Jorge; Jha, Ajit (2013-11-01)
      Article
      Accés restringit per política de l'editorial
    • A new method for the acquisition of arterial pulse wave using self-mixing interferometry 

      Arasanz Tena, Andrés; Azcona Guerrero, Francisco Javier; Royo Royo, Santiago; Jha, Ajit; Pladellorens Mallofré, Josep (2014-11-01)
      Article
      Accés obert
      In this paper we present a technique based on self-mixing interferometry as a method for the acquisition and reconstruction of the arterial pulse wave. A modification of the classic fringe counting reconstruction algorithm ...
    • A Preliminary study of deep learning sensor fusion for pedestrian detection 

      Chávez Plascencia, Alfredo; García Gómez, Pablo; Bernal Pérez, Eduard; Mas Giménez, Gerard de; Casas Pla, Josep Ramon; Royo Royo, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2023-04)
      Article
      Accés obert
      Most pedestrian detection methods focus on bounding boxes based on fusing RGB with lidar. These methods do not relate to how the human eye perceives objects in the real world. Furthermore, lidar and vision can have difficulty ...
    • Activities in imaging through fog at CD6: polarimetric imaging 

      Peña Gutiérrez, Sara; Ballesta Garcia, Maria; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The CD6 has recently developed a powerful line of research on polarimetric imaging. This field covers several applications in which the addition of polarization properties enables to enhance the contrast in detection. ...
    • Activities in imaging through fog at CD6: polarized light propagation modelling 

      Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Royo Royo, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Currently, in CD6, a new line of research devoted to polarimetric imaging is being developed. The use of polarization adds new information that is not reachable using other conventional imaging modes. In addition, recent ...
    • Adaptive autofocus technique for speckle control in optical feedback interferometry 

      Atashkhooei, Reza; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier (2014-09-01)
      Article
      Accés restringit per política de l'editorial
      An adaptive autofocus technique for the control of speckle effect in optical feedback interferometry (OFI) is discussed. The beam spot size effect over the OFI signal is presented, justifying the proposed approach. An ...
    • Adaptive feedback control in self-mixing interferometry using active optical elements 

      Atashkhooei, Reza; Zabit, U; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier; Sergievskaya, Irina (Universidad de Murcia, 2011)
      Text en actes de congrés
      Accés obert
      A voltage-controlled liquid lens has been used as an adaptive optical element integrated in a conventional self-mixing interferometry setup. The lens is used to control the optical feedback level and the focus position of ...
    • Adaptive optical head for industrial vibrometry applications 

      Atashkhooei, Reza; Zabit, U; Royo Royo, Santiago; Bosch, Thierry; Bony, F. (International Society for Photo-Optical Instrumentation Engineers (SPIE), 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A self-mixing laser interferometer has been combined with a compact and robust optical system including an adaptive optical element in the form of a voltage controllable liquid lens. The use of the liquid lens enables the ...
    • An overview of lidar imaging systems for autonomous vehicles 

      Royo Royo, Santiago; Ballesta Garcia, Maria (Multidisciplinary Digital Publishing Institute, 2019-10-01)
      Article
      Accés obert
      Lidar imaging systems are one of the hottest topics in the optronics industry. The need to sense the surroundings of every autonomous vehicle has pushed forward a race dedicated to deciding the final solution to be ...
    • Analysis and control of speckle effects in self-mixing interferometry 

      Atashkhooei, Reza; Royo Royo, Santiago; Azcona Guerrero, Francisco Javier; Zabit, U (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
    • Analysis of the performance of a polarized LiDAR imager in fog 

      Ballesta Garcia, Maria; Peña Gutiérrez, Sara; Rodríguez Aramendía, Ana; García Gómez, Pablo; Rodrigo Arcay, Noel; Bobi Olmo, Aleix Ramón; Royo Royo, Santiago (2022-11-07)
      Article
      Accés obert
      This paper focuses on exploring ways to improve the performance of LiDAR imagers through fog. One of the known weaknesses of LiDAR technology is the lack of tolerance to adverse environmental conditions, such as the presence ...
    • Application of matched digital filters to noisy fringe-patterns from complex wavefronts 

      Caum Aregay, Jesús; Arasa Marti, Jose; Royo Royo, Santiago; Ares Rodríguez, Miguel (Proc.SPIE Press, 2005-06-13)
      Article
      Accés obert
    • B-spline basis for adaptive piezoelectric mirror shape reconstruction 

      Sergievskaya, Irina; Royo Royo, Santiago; Ares Rodríguez, Miguel (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper we compare RMS fitting error of an experimental wavefront for its Zernike and B-spline approximations. Wavefront shapes are achieved using a commercial piezoelectric deformable mirror. Number of Zernike modes ...
    • Biaxial piezoelectric MEMS mirrors with low absorption coating for 1550 nm long-range LIDAR 

      Mollard, Laurent; Riu, Jordi; Royo Royo, Santiago; Dieppedale, Christel; Hamelin, A.; Koumela, Alexandra; Verdot, T.; Frey, Laurent; Le Rhun, Gwenael; Castellan, Gaël; Licitra, Christophe (Multidisciplinary Digital Publishing Institute (MDPI), 2023-05-09)
      Article
      Accés obert
      This paper presents the fabrication and characterization of a biaxial MEMS (MicroElectroMechanical System) scanner based on PZT (Lead Zirconate Titanate) which incorporates a low-absorption dielectric multilayer coating, ...
    • Bringing old telescopes to a new robotic life 

      Suc, Vincent; Ropert, Samuel; Jordan, Andres; Royo Royo, Santiago (2017)
      Article
      Accés obert
      We present the development from its origin to the implementation of new hardware and software for telescope control. This system has been designed to be adaptable to old decommissioned telescopes. We will show how we applied ...
    • Capítulo 4: clima, movilidad y energía 

      Royo Royo, Santiago (2022-11-30)
      Capítol de llibre
      Accés obert
      La Agenda Estratégica de Innovación es una de las herramientas clave de que dispone la comunidad relacionada con la Fotónica de dar a conocer sus necesidades y actividades. Indica cuáles son las prioridades que la industria ...
    • Cámara Lidar para Imagen 3D de bajo coste, alta resolución y tiempo real para aplicaciones en defensa y seguridad 

      Riu Gras, Jordi; Royo Royo, Santiago (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial