Now showing items 1-20 of 291

  • 3D pose estimation using convolutional neural networks 

    Rubio Romano, Antonio (Universitat Politècnica de Catalunya, 2015-10)
    Master thesis
    Open Access
    The present Master Thesis describes a new Pose Estimation method based on Convolutional Neural Networks (CNN). This method divides the three-dimensional space in several regions and, given an input image, returns the ...
  • 3D reconstruction and recognition of objects using a kinect camera 

    Luján Rossell, Alba (Universitat Politècnica de Catalunya, 2016-09)
    Bachelor thesis
    Open Access
    Covenantee:  Technische Universität München
    This project is based on the recent advances of 3D depth cameras, one being the Microsoft Kinect sensors. Nowadays, this technology enables to create really accurate 3D figures and scenes simplifying difficult tasks in ...
  • 3D shape from multi-camera views by error projection minimization 

    Haro, Gloria; Pardàs Feliu, Montse (2010)
    Conference report
    Open Access
    Traditional shape from silhouette methods compute the 3D shape as the intersection of the back-projected silhouettes in the 3D space, the so called visual hull. However, silhouettes that have been obtained with background ...
  • 3D surface reconstruction in telepresence systems 

    Mora Ballestar, Laura (Universitat Politècnica de Catalunya, 2017-06)
    Bachelor thesis
    Open Access
    Registering three-dimensional models is possible thanks to the use of multi view captures or the readings provided by depth sensors, which can be applied in Augmented or Virtual Reality systems. In this sense, this project ...
  • 4D Cardiac MRI Segmentation and Surface Reconstruction 

    Pons Moll, Gerard (Universitat Politècnica de Catalunya, 2008-10-10)
    Master thesis (pre-Bologna period)
    Open Access
  • 4D Cardiac Segmentation and Respiratory Motion Modeling of the Human Heart 

    Crosas Cano, Guillem (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis (pre-Bologna period)
    Open Access
    Atrial Fibrillation (AF) is a growing problem in modern societies with an enormous impact in both short term quality of life and long term survival. A recently developed promising approach to cure AF uses radiofrequency ...
  • Accelerating super-resolution for 4K upscaling 

    Pérez-Pellitero, Eduardo; Salvador, Jordi; Ruiz Hidalgo, Javier; Rosenhahn, Bodo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    This paper presents a fast Super-Resolution (SR) algorithm based on a selective patch processing. Motivated by the observation that some regions of images are smooth and unfocused and can be properly upscaled with fast ...
  • Accurate video object tracking using a region-based particle filter 

    Girbau Xalabarder, Andreu (Universitat Politècnica de Catalunya, 2017-02-06)
    Master thesis
    Open Access
    Usually, in particle filters applied to video tracking, a simple geometrical shape, typically an ellipse, is used in order to bound the object being tracked. Although it is a good tracker, it tends to a bad object ...
  • A comparison of contrast enhancement methods for 2D radiographic images: Applied to patient positioning in proton therapy 

    Nespereira González, Alejandro (Universitat Politècnica de Catalunya, 2015-05-08)
    Master thesis (pre-Bologna period)
    Open Access
    Different methods for radiographic image contrast enhancement are studied, implemented and compared. The efficiency of the techniques in improving image contrast is then evaluated both on a subjective evaluation from ...
  • A comparison of contrast enhancement methods for 2D radiographic images: Applied to patient positioning in proton therapy. 

    Nespereira González, Alejandro (Universitat Politècnica de Catalunya, 2015-05-08)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Université Catholique de Louvain
    [ANGLES] Different methods for radiographic image contrast enhancement are studied, implemented and compared. The efficiency of the techniques in improving image contrast is then evaluated both on a subjective evaluation ...
  • A contour based approach for bilateral mammogram registration using discrete wavelet analysis 

    Reig Bolano, Ramon; Parisi Baradad, Vicenç; Marti Puig, Pere (2009)
    Article
    Restricted access - publisher's policy
    Registration of mammograms is an essential step to increase the effectiveness of all screening programs planned to early detect breast cancer in asymptomatic women. New techniques based on data fusion of different spatial ...
  • Action recognition using the Rf Transform on optical flow images 

    Carmona Leyva, José María; Climent Vilaró, Joan (SCITEPRESS, 2017)
    Conference report
    Open Access
    The objective of this paper is the automatic recognition of human actions in video sequences. The use of spatio-temporal features for action recognition has become very popular in recent literature Instead of extracting ...
  • A digital image processing method for urban scenes brightness assessment 

    López Besora, Judit; Isalgue Buxeda, Antonio; Coch Roura, Helena (Centre de Política del Sòl i Valoracions - Universitat Politècnica de Catalunya, 2016-10)
    Article
    Open Access
    The appearance of the city is strongly linked to many aspects such as climate, culture and sociological background. In cities with a prevalence of clear skies, one of the determining aspects is the climatic condition, which ...
  • A discrete labelling approach to attributed graph matching using SIFT features 

    Sanromà Güell, Gerard; Alquézar Mancho, René; Serratosa Casanelles, Francesc (2010)
    Conference report
    Open Access
    Local invariant feature extraction methods are widely used for image-features matching. There exist a number of approaches aimed at the refinement of the matches between image-features. It is a common strategy among these ...
  • A generalized seasonal persistent model for video traffic 

    Zuraniewski, Piotr; Rincón Rivera, David (Springer Berlin / Heidelberg, 2009-09)
    Conference lecture
    Restricted access - confidentiality agreement
    Video tra±c generated with modern codecs is known to possess a complex statistical structure that includes short memory, long memory, and seasonal components. We propose a k-factor Generalized Autoregressive Moving Average ...
  • Algoritmos de reconstrucción de escenas 3D paralelizados en GPU para aplicaciones en tiempo real 

    Oriol Bermúdez, Enrique (Universitat Politècnica de Catalunya, 2010-01-21)
    Master thesis (pre-Bologna period)
    Open Access
    Se presenta una adaptación de algoritmos de reconstrucción 3D en escenarios multi-cámara a un entorno multiprocesador que permita aprovechar la capacidad de cálculo de los nuevos procesadores gráficos (GPUs), con el objetivo ...
  • Anàlisi SAR per missions de rescat utilitzant vehicles aeris no tripulats 

    Gallego Jiménez, Francisco Javier (Universitat Politècnica de Catalunya, 2016-10)
    Master thesis (pre-Bologna period)
    48 months embargo
  • Analysis and mitigation of the reconstruction error in interferometric radiometry 

    Díez García, Raul (Universitat Politècnica de Catalunya, 2014-12-05)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] The European Space Agency (ESA) Soil Moisture and Ocean Salinity mission (SMOS) provides continuous global maps of soil moisture and ocean surface salinity. Its payload MIRAS (Microwave Imaging Radiometer with ...
  • 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
    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 ...
  • Analysis of MVD and color edge detection for depth maps enhacement 

    Bayo Singla, Jordi (Universitat Politècnica de Catalunya, 2010-01-01)
    Master thesis (pre-Bologna period)
    Open Access
    MVD (Multiview Video plus Depth) data consists of two components: color video and depth maps sequences. Depth maps represent the spatial arrangement (or three dimensional geometry) of the scene. The MVD representation is ...