Browsing by Author "Royo Royo, Santiago"
Now showing items 1-20 of 94
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3D Depth Sensing
(Arc Humanities Press, 2017-09-01)
Part of book or chapter of book
Restricted access - publisher's policy -
A full Stokes imaging polarimeter based on a consumer CMOS camera
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2019)
Conference lecture
Restricted access - publisher's policyNowadays, 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 nanometric displacement measurement system using differential optical feedback interferometry
(2013-11-01)
Article
Restricted access - publisher's policy -
A new method for the acquisition of arterial pulse wave using self-mixing interferometry
(2014-11-01)
Article
Open AccessIn 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 ... -
Activities in imaging through fog at CD6: polarimetric imaging
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyThe 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
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Restricted access - publisher's policyCurrently, 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
(2014-09-01)
Article
Restricted access - publisher's policyAn 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
(Universidad de Murcia, 2011)
Conference report
Open AccessA 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
(International Society for Photo-Optical Instrumentation Engineers (SPIE), 2011)
Conference report
Restricted access - publisher's policyA 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
(Multidisciplinary Digital Publishing Institute, 2019-10-01)
Article
Open AccessLidar 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
(2011)
Conference report
Restricted access - publisher's policy -
Application of matched digital filters to noisy fringe-patterns from complex wavefronts
(Proc.SPIE Press, 2005-06-13)
Article
Open Access -
B-spline basis for adaptive piezoelectric mirror shape reconstruction
(2009)
Conference report
Restricted access - publisher's policyIn 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 ... -
Bringing old telescopes to a new robotic life
(2017)
Article
Open AccessWe 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 ... -
Cámara Lidar para Imagen 3D de bajo coste, alta resolución y tiempo real para aplicaciones en defensa y seguridad
(2014)
Conference report
Restricted access - publisher's policy -
El CD6 de la UPC: un centre d'innovació en enginyeria òptica i fotònica que ha creat un entorn emprenedor
(Campus de Terrassa de la UPC, 2013-06-13)
Conference report
Open Access -
Comparison of B-spline and Zernike fitting techniques in complex wavefront surfaces
(Proc.SPIE Press, 2005-06-13)
Article
Open Access -
Confocal flowmeter based on self-mixing interferometry for real-time velocity profiling of turbid liquids flowing in microcapillaries
(2019-08-19)
Article
Open AccessWe propose a new confocal device for flow profiling in microcapillaries. A viewfinder system is developed using a visible light microscope, allowing focusing with high precision an 830 nm Fabry-Perot laser diode on a ... -
Cost-effective laser feedback sensor for nanometric scale acoustic perturbations
(2018-07-01)
Article
Restricted access - publisher's policy -
Current Developments on Optical Feedback Interferometry as an All-Optical Sensor for Biomedical Applications
(2016-05-13)
Article
Open AccessOptical feedback interferometry (OFI) sensors are experiencing a consistent increase in their applications to biosensing due to their contactless nature, low cost and compactness, features that fit very well with current ...
