Browsing by Subject "Three-dimensional imaging"

Now showing items 1-20 of 179

    • 360 graus de música 

      Pla Alonso, Oriol (Universitat Politècnica de Catalunya, 2016-09-11)
      Bachelor thesis
      Open Access
      Aquest es un projecte en el que s’ha realitzat un videoclip d’una cançó de música electrònica experimental. El videoclip es un vídeo en 360º realitzat amb programes per a crear entorns 3D. Es buscava crear una experiència ...

    • 3D modelling of the Danube river and the floods during March and April of 2006 in Nagymaros and Szob 

      Marco Figuera, Ramiro (Universitat Politècnica de Catalunya, 2010-12-07)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Eötvös Loránd Tudományegyetem

    • 3D modelling of transversal grates comparison of numerical result with experimental data 

      Paindelli, Andrea (Universitat Politècnica de Catalunya, 2017-06)
      Master thesis
      Restricted access - author's decision
      The full scale (1:1) test platform located at the UPC (Universitat Politècnica de Catalunya) allows us to reproduce the local runoff process and the study of inlet grates or other types of capture systems. Over the last ...

    • 3D Optical microscopy for “ex-vivo” whole brain imaging 

      Vazquez Quintian, Angela (Universitat Politècnica de Catalunya, 2010)
      Master thesis
      Open Access
      The work presented in this paper focuses in understanding a light sheet microscope. Light sheet microscopy consists in a thin sheet of light which illuminates the observed sample in the plane orthogonal to the objective, ...

    • 3D point cloud video segmentation based on interaction analysis 

      Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Springer, 2016-11-24)
      Part of book or chapter of book
      Open Access
      Given the widespread availability of point cloud data from consumer depth sensors, 3D segmentation becomes a promising building block for high level applications such as scene understanding and interaction analysis. It ...

    • 3D point cloud video segmentation based on interaction analysis 

      Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Springer, 2016)
      Conference lecture
      Open Access
      Given the widespread availability of point cloud data from consumer depth sensors, 3D segmentation becomes a promising building block for high level applications such as scene understanding and interaction analysis. It ...

    • 3D point cloud video segmentation oriented to the analysis of interactions 

      Lin, Xiao; Casas Pla, Josep Ramon; Pardàs Feliu, Montse (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference lecture
      Open Access
      Given the widespread availability of point cloud data from consumer depth sensors, 3D point cloud segmentation becomes a promising building block for high level applications such as scene understanding and interaction ...

    • 3D reconstruction using video sequence & implementation of free view video player embedded in web browser 

      Mirza, Tahir Ahmed (Universitat Politècnica de Catalunya, 2009-09-16)
      Master thesis
      Open Access
      In computer vision, the process of 3D reconstruction consists of rebuilding a 3D scene from a set of images. The frames (images) can be extracted from a video sequence to reconstruct the captured scene. This research study ...

    • 3D scene reconstruction and understanding from single shot pictures 

      García González, Alfredo (Universitat Politècnica de Catalunya, 2012-09)
      Master thesis
      Open Access
      Augmented reality mixes computer generated graphics with real imaging using computer vision techniques. However, nowadays, augmented reality is still a very young field of research, and its applications usually involve ...

    • 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 ...

    • A framework for rendering, simulation and animation of crowds 

      Pelechano Gómez, Núria; Spanlang, Bernhard; Beacco Porres, Alejandro (2009)
      Conference report
      Restricted access - publisher's policy
      Real-time crowd simulation for virtual environment applications requires not only navigation and locomotion in large environments while avoiding obstacles and agents, but also rendering high quality 3D fully articulated ...

    • A hybrid rugosity mesostructure (HRM) for faster rendering of fine haptic detail 

      Theoktisto, Víctor; Fairén González, Marta; Navazo Álvaro, Isabel (2009)
      Conference report
      Restricted access - publisher's policy
      We propose a faster method for surface haptic rendering using image-based Hybrid Rugosity Mesostructures (HRMs), paired maps with per-face height eld displacements and normalmaps, which are layered on top of a much decimated ...

    • A near field 3D radar imaging technique 

      Broquetas Ibars, Antoni (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Conference report
      Open Access
      The paper presents an algorithm which recovers a 3D reflectivity image of a target from near-field scattering measurements. Spherical wave nearfield illumination is used, in order to avoid a costly compact range installation ...

    • A parametric-space-based scan-line algorithm for rendering of bicubic surfaces 

      Pueyo Sánchez, Xavier; Brunet Crosa, Pere (1987)
      Article
      Open Access
      A novel scan-line algorithm for displaying bicubic surfaces is presented. Patches are decomposed on regions of constant sign of the z component of the normal before the scan process. Most of the computations are done in ...

    • A platform for developing and fine tuning adaptive 3D navigation techniques for the immersive web 

      Kamal, Ahmed; Andújar Gran, Carlos Antonio (Association for Computing Machinery (ACM), 2021)
      Conference report
      Open Access
      Navigating through a virtual environment is one of the major user tasks in the 3D web. Although hundreds of interaction techniques have been proposed to navigate through 3D scenes in desktop, mobile and VR headset systems, ...

    • A portable three-dimensional object slicer 

      Willemsen, Luuk (Universitat Politècnica de Catalunya, 2019-06-27)
      Bachelor thesis
      Open Access
      OpenSlicer is a portable three-dimensional object slicer. Its purpose is to be run in a web browser, possibly on mobile devices, as a convenient way to 3D print objects without needing a computer.

    • A Study of Osona's Medieval Castles 

      Pessarrodona Silvestre, Laura (Universitat Politècnica de Catalunya, 2017-07-18)
      Bachelor thesis
      Open Access
      Since ancient times, humans have been fascinated with past cultures. Unlike other material culture, getting hold of the architectural legacy of past civilizations is often difficult, as buildings have been demolished, build ...

    • A topological comparison of surface extraction algorithms 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Fairén González, Marta; Navazo Álvaro, Isabel; Vinacua Pla, Álvaro (2006-01)
      Research report
      Open Access
      In many application areas, it is useful to convert the discrete information stored in the nodes of a regular grid into a continuous boundary model. Isosurface extraction algorithms di er on how the discrete information in ...

    • A topological comparison of surface extraction algorithms 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Fairén González, Marta; Navazo Álvaro, Isabel; Vinacua Pla, Álvaro (2021-10-22)
      Research report
      Open Access
      In many application areas, it is useful to convert the discrete information stored in the nodes of a regular grid into a continuous boundary model. Isosurface extraction algorithms differ on how the discrete information ...

    • A virtual model of Barcelona in the XVIII century 

      Muñoz Salinas, Francisco (Centro de Política de Suelo y Valoraciones (CPSV), 2004)
      Conference report
      Open Access