Browsing by Subject "Imatges -- Processament -- Tècniques digitals"

Now showing items 1-20 of 252

    • 3D arrayed microwave tomographic system for medical imaging 

      Guardiola Garcia, Marta; Jofre Roca, Lluís; Gedda, F.; Capdevila Cascante, Santiago; Romeu Robert, Jordi; Blanch Boris, Sebastián (2010)
      Conference report
      Open Access
      In this paper, a combined tomographic imaging system comprising the rotation of a multiplexed linear antenna array around the object under test is designed. With this system a cylindrical sampling is obtained, allowing to ...

    • 3D Reconstruction of vegetation from orthophotos 

      Comino Trinidad, Marc (Universitat Politècnica de Catalunya, 2013-06-21)
      Bachelor thesis
      Open Access
      [CATALÀ] Mitjançant tècniques de Visió per Computador som capaços de detectar i classificar la flora present en una ortofoto. A partir d'aquesta informació, i d'un conjunt de models de plantes en 3D que generem, elaborem ...

    • A compact 3D representation for multi-view video 

      Salvador Marcos, Jordi; Casas Pla, Josep Ramon (2011)
      Conference report
      Restricted access - publisher's policy
      This paper presents a methodology for obtaining a 3D reconstruction of a dynamic scene in multi-camera settings. Our target is to derive a compact representation of the 3D scene which is effective and accurate, whatever ...

    • A deep analysis on age estimation 

      Huerta Casado, Iván; Fernandez Tena, Carles; Segura, Carlos; Hernando Pericás, Francisco Javier; Prati, Andrea (2015-12-15)
      Article
      Open Access
      The automatic estimation of age from face images is increasingly gaining attention, as it facilitates applications including advanced video surveillance, demographic statistics collection, customer profiling, or search ...

    • A feature-based subband coding scheme 

      Casas Pla, Josep Ramon; Torres Urgell, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 1996)
      Conference report
      Restricted access - publisher's policy
      A feature-based subband coding scheme is presented. It is intended for the coding of the texture component of a two-component image model. The primary component contains the strong edges, individually described by their ...

    • A new algorithm for number of holes attribute filtering of grey-level images 

      Climent Vilaró, Joan; Oliveira, Luiz S (2015-02-01)
      Article
      Open Access
      In this paper we present a new algorithm for filtering a grey-level image using as attribute the number of holes of its connected components. Our approach is based on the max-tree data structure, that makes it possible to ...

    • A new strategy of ICT integrated methodologies for 3D documentation : a case study of the projected wooden windows (The Roshans) in the historical city of Jeddah (Saudi Arabia) 

      Alitany, Ayman (Universitat Politècnica de Catalunya, 2014-05-08)
      Doctoral thesis
      Open Access
      The Roshan represents one of the most characteristic aspects of traditional architecture in Hejaz region in Saudi Arabia and a frequent feature in most of the Historical Jeddah’s heritage buildings. The old city has witnessed ...

    • A platform for automatic 3D object reconstruction through multi-view stereo techniques for mobile devices 

      De La Torre García, Javier (Universitat Politècnica de Catalunya, 2013-12-18)
      Master thesis
      Open Access
      The goal of the project aims to generate a 3D model thanks to a set of images of it. With this purpose in mind, the project is composed of a client-based Android application and a web server-based Java application to ...

    • A recurrent neural network approach for 3d vision-based force estimation 

      Avilés Rivero, Angélica Ivone; Marbán González, Arturo; Sobrevilla Frisón, Pilar; Casals Gelpí, Alicia; Fernández Ruzafa, José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Robotic-assisted minimally invasive surgery has demonstrated its benefits in comparison with traditional procedures. However, one of the major drawbacks of current robotic system approaches is the lack of force feedback. ...

    • A system for robust iris recognition 

      Pérez Parera, Dídac (Universitat Politècnica de Catalunya, 2012-02-13)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      [ANGLÈS] Biometric technologies are becoming important due to the increasing demand for flexible and robust systems for identification and verification of individuals. In recent years, some biometrics has been proposed ...

    • Action tube extraction based 3D-CNN for RGB-D action recognition 

      Xu, Zhengyu; Vilaplana Besler, Verónica; Morros Rubió, Josep Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Open Access
      In this paper we propose a novel action tube extractor for RGB-D action recognition in trimmed videos. The action tube extractor takes as input a video and outputs an action tube. The method consists of two parts: spatial ...

    • Advanced visual rendering, gesture-based interaction and distributed delivery for immersive and interactive media services 

      Niamut, O.A.; Kochale, A.; Ruiz Hidalgo, Javier; Macq, J.; Kienast, G. (2011)
      Conference report
      Open Access
      The media industry is currently being pulled in the often-opposing directions of increased realism (high resolution, stereoscopic, large screen) and personalisation (selection and control of content, availability on many ...

    • An application oriented short course in image recognition 

      Tarrés Ruiz, Francisco; Bertran Albertí, Eduardo; Montoro López, Gabriel; Barbosa de Souza, Alisson (1998)
      Conference report
      Open Access
      An experimental course on Digital Image Processing and Recognition, together with its associated implementation, are described. The program is a user-friendly interface running under Matlab 4.0, which allows easy-control ...

    • An interactive lifelog search engine for LSC2018 

      Alsina, Adrià; Giró Nieto, Xavier; Gurrin, Cathal (Association for Computing Machinery (ACM), 2018)
      Conference lecture
      Open Access
      In this work, we describe an interactive lifelog search engine developed for the LSC 2018 search challenge at ACM ICMR 2018. The paper introduces the four-step process required to support lifelog search engines and describes ...

    • An Interactive Lifelog Search Engine for LSC2018 

      Alsina Torra, Adrià (Universitat Politècnica de Catalunya, 2018-06-25)
      Bachelor thesis
      Open Access
      Covenantee:   Dublin City University
      This thesis consists on developing an interactive lifelog search engine for the LSC 2018 search challenge at ACM ICMR 2018. This search engine is created in order to browse for images from a given lifelog dataset and display ...

    • Analysis of Invariant Motion Components in Dynamic Video Content 

      Molina Leiva, Jose Antonio (Universitat Politècnica de Catalunya, 2011-07-12)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   École polytechnique fédérale de Lausanne
      English: The fast expansion of Internet and DVB channels has brought a fast increase of video footage which needs to be indexed for efficient and easy retrieval. A novel video structural dissimilarity metric based on ...

    • Anàlisi audiovisual mitjançant descriptors MPEG-7 

      Bosch Anglarill, Enric (Universitat Politècnica de Catalunya, 2006-02-24)
      Master thesis (pre-Bologna period)
      Open Access

    • Anàlisi de tècniques de processament d'imatge en un sistema de detecció d'incendis forestals 

      Delgado Treviño, Sergi (Universitat Politècnica de Catalunya, 2013-05-27)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] In this work, two different image processing techniques are compares to detect foreground objects in a scene. In addition, these techniques are compared in a wildfire detection system

    • Anàlisi interferomètric de la conca potàssica catalana 

      Rodríguez Quipusco, Juan (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Restricted access - author's decision
      Aquest treball consisteix en l’estudi de subsidència amb el processat d’imatges amb el mètode DInSAR de les zones de Sallent i Súria on es du a terme una activitat minera subterrània. Les dades de partida que es faran ...

    • Anotaciones de las bases de datos 

      Mindan, Pere J.; Raventós, Arnau; Mur, Olga; Tarrés Ruiz, Francisco; Torres Urgell, Lluís (2011-11-30)
      Research report
      Restricted access - confidentiality agreement
      Entregable 1.2.2