Browsing by Subject "Realitat virtual"

Now showing items 1-20 of 356

    • 258. Immersió en la realitat virtual 

      Universitat Politècnica de Catalunya. Servei de Biblioteques i Documentació (Oficina de Mitjans de Comunicació, 2013-07)
      Article
      Open Access

    • 3D object interaction and manipulation in VR nursery training applications 

      García Toledo, Òscar (Universitat Politècnica de Catalunya, 2021-06-29)
      Bachelor thesis
      Open Access
      Every single day, researchers and developers find new ways where VR devices could be used to provide considerable benefits to a variety of fields. The cheap entry price, alongside with the lack of real-world consequences, ...

    • 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 ...

    • 3d virtual object tracking and registration based on marker tecnology for AR apps 

      Ibern Ortega, Lidia (Universitat Politècnica de Catalunya, 2017-02-27)
      Master thesis
      Open Access
      Covenantee:   MonDecor
      Augmented Reality is a technology based on image processing and computer graphics employed to merge a real world with virtual images. The system provides the user a real-time video feed with overlapped information generated ...

    • A comparative study of navigation meshes 

      Van Toll, Wouter; Triesscheijn, Roy; Kallmann, Marcello; Oliva Martínez, Ramon; Pelechano Gómez, Núria; Pettré, Julien; Geraerts, Roland (Association for Computing Machinery (ACM), 2017)
      Conference report
      Restricted access - publisher's policy
      A navigation mesh is a representation of a 2D or 3D virtual environment that enables path planning and crowd simulation for walking characters. Various state-of-the-art navigation meshes exist, but there is no standardized ...

    • A cost-effective approach for developing application-control GUIs for virtual environments 

      Andújar Gran, Carlos Antonio; Fairén González, Marta; Argelaguet Sanz, Fernando (2006-03)
      Conference lecture
      Open Access
      In this paper we present a new approach for fast development of application-control User Interfaces (UIs) for Virtual Environments (VEs). Our approach allows developers to build sophisticated UIs containing both simple ...

    • A critical analysis of human-subject experiments in virtual reality and 3D user interfaces 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere (Springer International Publishing, 2015)
      Part of book or chapter of book
      Open Access
      This paper is about the major peculiarities and difficulties we encounter when trying to validate research results in fields such as virtual reality (VR) and 3D user interfaces (3DUI). We review the steps in the empirical ...

    • A grid representation for distributed virtual environments 

      Morillo, P.; Fernández, M.; Pelechano Gómez, Núria (2004)
      Conference report
      Restricted access - publisher's policy
      Fast Internet connections and the widespread use of high performance graphic cards are making Distributed Virtual Environments (DVE) very common nowadays. The architecture and behavior of these systems are very similar to ...

    • A language for designing nursing training sessions 

      Tortosa Ortiz-Villajos, Sergi (Universitat Politècnica de Catalunya, 2019-07-04)
      Master thesis
      Open Access
      This master thesis aims to create a system which allows domain experts, usually non-programmers, to design and reproduce Virtual Reality simulated nurse training exercises taking advantage of end user development using ...

    • A multi-projector CAVE system with commodity hardware and gesture-based interaction 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Vinacua Pla, Álvaro; Vico Moya, Miguel Ángel; Díaz García, Jesús (2017-01-12)
      Research report
      Open Access
      Spatially-immersive systems such as CAVEs provide users with surrounding worlds by projecting 3D models on multiple screens around the viewer. Compared to alternative immersive systems such as HMDs, CAVE systems are a ...

    • 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 separate reality : An update on place Illusion and plausibility in virtual reality 

      Slater, Mel; Banakou, Domna; Beacco Porres, Alejandro; Gallego Vila, Jaime; Macia Varela, Francisco; Oliva Martínez, Ramon (2022-06-27)
      Article
      Open Access
      We review the concept of presence in virtual reality, normally thought of as the sense of “being there” in the virtual world. We argued in a 2009 paper that presence consists of two orthogonal illusions that we refer to ...

    • A unity based validation model for rendering algorithms of motion tracked binaural recordings 

      Rendé Subias, Clara (Universitat Politècnica de Catalunya, 2017-01)
      Bachelor thesis
      Open Access
      Covenantee:   Technische Universität Berlin
      In 2004, motion-tracked binaural (MTB) sound was introduced as a new method for capturing, recording and reproducing spatial sound. In November 2010, the Technische Universität Berlin (TUB) started to evaluate MTB recordings ...

    • A Virtual Reality approach to progressive lenses simulation 

      Rodríguez Celaya, José Antonio; Brunet Crosa, Pere; Ezquerra, Norberto; Palomar, J.E. (2005)
      Conference report
      Restricted access - publisher's policy
      Progressive lenses are lenses that allow focusing objects at any distance. The main problem of these lenses is the arise of marginal zones that present aberrations in which vision is defective. The interest of our research ...

    • A virtual reality front-end for city modeling 

      Randó Segura, Eduard; Andújar Gran, Carlos Antonio; Patow, Gustavo Ariel (European Association for Computer Graphics (Eurographics), 2019)
      Conference lecture
      Open Access
      Current tools for city modeling, including those supporting procedural techniques, have a steep learning curve and require substantial user input and/or skills to create realistic 3D models of cities. In this paper we ...

    • A Virtual Reality visualization of the biosonar communication channel for live in the depths of the sea 

      Gil Saavedra, Albert (Universitat Politècnica de Catalunya, 2020-06-02)
      Master thesis
      Open Access
      Underwater sound propagation is used as a means of communication by many living beings in the deep sea. It is not only used as a communication channel, but it also serves so that animals can recognize the surrounding ...

    • A Virtual Umbilical Cord 

      Pomés Freixa, Ausiàs (Universitat Politècnica de Catalunya, 2011-07-01)
      Master thesis (pre-Bologna period)
      Open Access
      English: Immersive Virtual Reality applied to study body representation in humans] Immersive Virtual Reality (IVR) techniques have been applied successfully in many areas as phobia treatment and pain alleviation. Our main ...

    • A WebXR-based plattform for experimentation on vr navigation 

      Kamal, Ahmed (Universitat Politècnica de Catalunya, 2021-07-01)
      Master thesis
      Open Access
      This project aims at building a platform for defining and evaluating different variants of major navigation metaphors (such as walking and teleportation). Variants include different configurations on aspects such as fade-in, ...

    • A WebXR-based plattform for mixed geometry-based and image-based exploration of cultural heritage models 

      Farràs Llobet, Arnau (Universitat Politècnica de Catalunya, 2021-07-01)
      Master thesis
      Open Access
      The great advances in 3D digitization and upward trend in remote services have led to a growthin demand for virtual museums and applications to explore cultural heritage. While it is true thatvirtual museums are not a ...

    • Accelerating a mixed reality applicationon the edge using a Jetson TX2 

      Oteo De Prado, Pablo (Universitat Politècnica de Catalunya, 2021-01-24)
      Bachelor thesis
      Open Access
      Mixed reality (MR) applications or Augmented Reality (AR) applications, as their names imply, are meant to unify the virtual world within the real world. This type of applications demands high computer capability and also ...