Now showing items 1-20 of 40

    • 3D modelling of leaves from color and ToF data for robotized plant measuring 

      Alenyà Ribas, Guillem; Dellen, Babette; Torras, Carme (2011)
      Conference report
      Restricted access - publisher's policy
      Supervision of long-lasting extensive botanic experiments is a promising robotic application that some recent technological advances have made feasible. Plant modelling for this application has strong demands, particularly ...
    • 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)
      Conference lecture
      Restricted access - publisher's policy
      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 new technique based on mini-UAS for estimating water and bottom radiance contributions in optically shallow waters 

      Montes Hugo, J. M.; Barrado Muxí, Cristina; Pastor Llorens, Enric (International Society for Photogrammetry and Remote Sensing (ISPRS), 2015)
      Conference report
      Open Access
      The mapping of nearshore bathymetry based on spaceborne radiometers is commonly used for QC ocean colour products in littoral waters. However, the accuracy of these estimates is relatively poor with respect to those derived ...
    • Analogies i diferències entre la càmera del telèfon mòbil i la càmera fotogràfica. Comparació de les imatges obtingudes mitjançant aquests dispositius 

      Mercader Da Silva, Lorena (Universitat Politècnica de Catalunya, 2023-01-16)
      Bachelor thesis
      Open Access
      Avui dia gairebé totes les persones tenen un mòbil dotat d’una càmera per fer fotografies (sent aquesta de major o menor qualitat depenent de la marca, model, etc. del mòbil de la persona). Per aquest motiu la gent s’està ...
    • Android App for taking pictures automatically with a trigger sensor 

      Carrillo De Albornoz Loriente, Pablo (Universitat Politècnica de Catalunya, 2017-06-15)
      Bachelor thesis
      Restricted access - confidentiality agreement
    • Array de cámaras cenitales sincronizadas por wifi. Montaje y preparación de un array de cámaras cenitales para sistemas de adquisición de imagen y detección 

      Sánchez Aguilar, Víctor (Universitat Politècnica de Catalunya, 2016-01)
      Bachelor thesis
      Restricted access - author's decision
    • Calibració d'un càmera semimètrica i una de digital 

      Buscà Suau, Elisenda (Universitat Politècnica de Catalunya, 2003)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Aquest treball vol desenvolupar una aplicació de l’equació de colinealitat i l’equació de la transformació lineal directa per fer calibracions de càmeres. Estudia el procés de la calibració per a una càmera semimètrica i ...
    • La cámara fotográfica y la cámara móvil. Comparación de características y prestaciones. Análisis de parámetros de calidad. 

      Ananenko Ananenko, Yulia (Universitat Politècnica de Catalunya, 2016-06-03)
      Bachelor thesis
      Open Access
      Cada día es mayor la tendencia a usar la cámara de un Smartphone como la herramienta principal a la hora de hacer fotografías. Esa tendencia viene dada, entre otros motivos, por la calidad fotográfica y de video que ...
    • Coagulation time detection by means of a real-time image processing 

      Gasull Llampallas, Antoni; Vallverdú Bayés, Sisco; Marqués Acosta, Fernando (. IEEE, 1992)
      Conference report
      Open Access
      Several techniques for semi-automatic or automatic detection of coagulation time in blood or in plasma analysis are available in the literature. However, these techniques are either complex and demand for specialized ...
    • Comparison of joint kinematics, dynamics and power obtained with an optical camera system and a depth camera 

      Correa De Cabo, Ihona Maria (Universitat Politècnica de Catalunya, 2023-06-28)
      Bachelor thesis
      Restricted access - confidentiality agreement
      La telerehabilitació és un tipus de telemedicina que, gràcies als avenços tecnològics i digitals dels últims anys, ha conseguit desenvolupar-se i ésser, cada cop més, una realitat que apropa la rehabilitació a l’abast ...
    • Comparison study of the lower-limb joint kinematics between an optical system of movement capture and a depth camera 

      Pallarés Quinn, Marc (Universitat Politècnica de Catalunya, 2022-10-20)
      Bachelor thesis
      Open Access
      Actualment vivim en una era digital, on la presencialitat de les activitats rutinàries s’està veient substituïda a través d’una comunicació en remot, gràcies sobretot a l’internet i als mitjans i l’accessibilitat cada ...
    • Complete instrumentation requirements for performance analysis of web based technologies 

      Carrera Pérez, David; Guitart Fernández, Jordi; Torres Viñals, Jordi; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José (Institute of Electrical and Electronics Engineers (IEEE), 2003)
      Conference report
      Open Access
      In this paper we present the eDragon environment, a research platform created to perform complete performance analysis of new Web-based technologies. eDragon enables the understanding of how application servers work in ...
    • Compressed sensing and approximate message passing for the single-pixel camera 

      Biosca Caro, Jordi (Universitat Politècnica de Catalunya, 2018-06)
      Bachelor thesis
      Open Access
      This thesis is based on the technology of Compressed Sensing and the study of the algorithms of Approximate Message Passing for the single-pixel camera. This thesis has been developed in the institute of telecommunication ...
    • Correcting image blurring induced by the ADCS jitter in cubesats 

      Llaveria Godoy, David; Camps Carmona, Adriano José; Hyuk, Park (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference report
      Restricted access - publisher's policy
      Attitude determination and control systems (ADCS) are critical in many satellite missions, especially when high pointing accuracy is needed, such as in optical imagers. Current actuators used to control the platform's ...
    • Correcting the ADCS jitter induced blurring in small satellite imagery 

      Llaveria Godoy, David; Camps Carmona, Adriano José; Hyuk, Park (2020-09)
      Article
      Open Access
      Earth Observation missions have increasingly demanding requirements, i.e., higher spatial resolutions and SNR, and lower revisit times, etc. High-resolution images have to be captured with precise pointing accuracy which ...
    • D-NeRF: neural radiance fields for dynamic scenes 

      Pumarola Peris, Albert; Corona Puyane, Enric; Pons-Moll, Gerard; Moreno-Noguer, Francesc (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Neural rendering techniques combining machine learning with geometric reasoning have arisen as one of the most promising approaches for synthesizing novel views of a scene from a sparse set of images. Among these, stands ...
    • Demonstration of latency-aware 5G network slicing on optical metro networks 

      Shariati, Mohammad Behnam; Velasco Esteban, Luis Domingo; Pedreno Manresa, José Juan; Dochhan, Annika; Casellas Regi, Ramon; Siddique Muqaddas, Abubakar; González de Dios, Oscar; Luque Canto, L.; Lent, Bodo; Ruiz Ramírez, Marc (Optical Society of American (OSA), 2022-01-01)
      Article
      Open Access
      The H2020 METRO-HAUL European project has architected a latency-aware, cost-effective, agile, and programmable optical metro network. This includes the design of semi-disaggregated metro nodes with compute and storage ...
    • Event-IMU fusion strategies for faster-than-IMU estimation throughput 

      Chamorro Hernández, William Oswaldo; Solà Ortega, Joan; Andrade-Cetto, Juan (2023)
      Conference lecture
      Open Access
      This study presents new methods for integrating event data and IMU readings to achieve ultra-fast camera pose estimates. The conventional predict-with-IMU-correct-with-vision approach is no longer optimal because events ...
    • Fotografia amb càmera pinhole 

      Núñez Giménez, Marina (Universitat Politècnica de Catalunya, 2017-06-26)
      Bachelor thesis
      Open Access
      La càmera pinhole és un dispositiu que, malgrat la seva senzillesa, permet prendre unes fotografies que no deixen de sorprendre’ns. En aquest treball s’han realitzat fotografies amb quatre càmeres pinhole diferents: Una ...
    • Fotografia analògica i fotografia digital. Similituds i diferències 

      Ramírez Garrido, Marta (Universitat Politècnica de Catalunya, 2018-06-15)
      Bachelor thesis
      Open Access
      La càmera fotogràfica és un sistema de captació d’imatges. Aquesta, pot ser analògica o digital. La principal diferència entre totes dues càmeres és el suport sensible. En el cas de la càmera analògica, la forma d’enregistrar ...