Now showing items 1-20 of 82

  • A 3D System for training in endoscopical repair of subcondylar fractures of the mandible 

    Hueto, Joan A.; Díaz, José; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Raspall, G. (Springer Verlag, 2008)
    Article
    Open Access
    Poster Session: 12th Annual Conference of Iscas. Conventional treatment of the subcondylar fractures of the mandible is challenging because of the medial and anterior displacement of the condylar fragment and the limited ...
  • A 3D virtual model for training in endoscopical repair of subcondylar fractures of the mandible 

    Hueto, J.A.; Díaz Iriberri, José; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Raspall, G. (2008-09)
    Article
    Restricted access - publisher's policy
    Conventional treatment of the subcondylar fractures of the mandible is challenging because of the medial and anterior displacement of the condylar fragment and the limited surgical field. Proximity of facial nerve, carotid ...
  • Accurate multi-modal image registration using compression 

    Vázquez Alcocer, Pere Pau; Marco Gómez, Jordi (IADIS Press, 2011)
    Conference report
    Restricted access - publisher's policy
    Image registration is an important task in medicine, especially when images have been acquired by different scanner/sensor types, since they provide information on different body structures (bones, muscles, vessels...). ...
  • Adaptive cross-sections of anatomical models 

    Díaz Iriberri, José; Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau (North-Holland, 2012-09)
    Article
    Restricted access - publisher's policy
    Medical illustrations have been used for a long time for teaching and communicating information for diagnosis or surgery planning. Illustrative visualization systems create methods and tools that adapt traditional illustration ...
  • Adaptive on-the-fly molecular ribbons generation 

    Hermosilla, Pedro; Guallar, Víctor; Vinacua Pla, Álvaro; Vázquez Alcocer, Pere Pau (European Association for Computer Graphics (Eurographics), 2015)
    Conference lecture
    Open Access
    Molecular dynamics simulations are of key importance in the drug design field. One common used representation to visualize these simulations is the Ribbons representation, which gives to the expert a good overview of the ...
  • Adaptive transfer functions: improved multiresolution visualization of medical models 

    Díaz García, Jesús; Brunet Crosa, Pere; Navazo Álvaro, Isabel; Pérez, Frederic; Vázquez Alcocer, Pere Pau (Springer, 2016-05-14)
    Article
    Open Access
    Medical datasets are continuously increasing in size. Although larger models may be available for certain research purposes, in the common clinical practice the models are usually of up to 512x512x2000 voxels. These ...
  • A general illumination model for molecular visualization 

    Hermosilla Casajús, Pedro; Vázquez Alcocer, Pere Pau; Vinacua Pla, Álvaro; Ropinski, Timo (2018-06)
    Article
    Restricted access - publisher's policy
    Several visual representations have been developed over the years to visualize molecular structures, and to enable a better understanding of their underlying chemical processes. Today, the most frequently used atom-based ...
  • An experimental study on the effects of shading in 3D perception of volumetric models 

    Díaz Iriberri, José; Ropinski, Timo; Navazo Álvaro, Isabel; Gobbetti, Enrico; Vázquez Alcocer, Pere Pau (Springer, 2017-01)
    Article
    Restricted access - publisher's policy
    Throughout the years, many shading techniques have been developed to improve the conveying of information in volume visualization. Some of these methods, usually referred to as realistic, are supposed to provide better ...
  • An interactive 3D framework for anatomical education 

    Vázquez Alcocer, Pere Pau; Götzelmann, Timo; Hartmann, Knut; Nürnberger, Andreas (2008-12)
    Article
    Restricted access - publisher's policy
    Object: This paper presents a 3D framework for Anatomy teaching. We are mainly concerned with the proper understanding of human anatomical 3D structures. Materials and methods: The main idea of our approach is taking an ...
  • Applications of information theory to computer graphics 

    Sbert Cassasayas, Mateu; Feixas, Miquel; Rigau, Jaume; Castro, Francesc; Vázquez Alcocer, Pere Pau (2002)
    Conference report
    Restricted access - publisher's policy
    We present in this talk several applications of Information Theory concepts to Computer Graphics. Mutual information will be applied to Radiosity to obtain the better scene discretization. The concept of entropy will be ...
  • A software framework for the development of projection-based augmented reality systems 

    Sunet Pérez, Marc; Comino Trinidad, Marc; Karatzas, Dìmosthenis; Chica Calaf, Antonio; Vázquez Alcocer, Pere Pau (2010)
    Conference lecture
    Open Access
    Despite the large amount of methods and applications of augmented reality, there is little homogenization on the software platforms that support them. An exception may be the low level control software that is provided by ...
  • Automatic generation of exploration paths for medical models 

    Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Herrero Jover, Javier; López, Jordi (2008)
    Article
    Open Access
    Although the visualization techniques are becoming faster and faster, the datasets also increase, and the time the radiologists are able to devote to a single analysis is limited. In this sense, we propose some techniques ...
  • Automatic generation of exploration paths for medical models 

    Monclús Lahoya, Eva; Navazo Álvaro, Isabel; Vázquez Alcocer, Pere Pau; Herrero, Javier; López, Jordi (Springer Verlag, 2008)
    Article
    Open Access
    In Supplement 1. Proceedings of the 22nd International Congress and Exhibition, Barcelona, Spain, June 25-28, 2008. Category: Image Processing and Display
  • Automatic indoor scene exploration 

    Vázquez Alcocer, Pere Pau; Sbert Cassasayas, Mateu (2003)
    Conference report
    Restricted access - publisher's policy
    Automatic computation of best views of objects are very useful. For example, they can be used as the starting point of a scene exploration, or to enrich galleries of objects available through Internet by adding an image a ...
  • Automatic keyframe selection for high-quality image-based walkthrough animation using viewpoint entropy 

    Vázquez Alcocer, Pere Pau; Sbert Cassasayas, Mateu (2002-02)
    Article
    Open Access
    The computation of high quality animation sequences is expensive. Generation time for each frame can take a few hours Recently, Image-Based Rendering methods have been proposed to solve this problem. As these techniques ...
  • Automatic light source placement for maximum visual information recovery 

    Vázquez Alcocer, Pere Pau (North Holland, 2007-06)
    Article
    Open Access
    The automatic selection of good viewing parameters is a very complex problem. In most cases, the notion of good strongly depends on the concrete application. Moreover, when an intuitive definition of good view is available, ...
  • Automatic view selection through depth-based view stability analysis 

    Vázquez Alcocer, Pere Pau (Springer, 2009-05)
    Article
    Restricted access - publisher's policy
    Although the real world is composed of three-dimensional objects, we communicate information using two-dimensional media. The initial 2D view we see of an object has great importance on how we perceive it. Deciding which ...
  • Automatic view selection using viewpoint entropy and its application to image-based modelling 

    Vázquez Alcocer, Pere Pau; Feixas, Miquel; Sbert Cassasayas, Mateu; Heidrich, Wolfgang (North Holland, 2003)
    Article
    Restricted access - publisher's policy
    In the last decade a new family of methods, namely Image-Based Rendering, has appeared. These techniques rely on the use of precomputed images to totally or partially substitute the geometric representation of the scene. ...
  • Bandwidth reduction for remote navigation systems through view prediction and progressive transmission 

    Vázquez Alcocer, Pere Pau; Sbert Cassasayas, Mateu (Elsevier Science Direct, 2004)
    Article
    Restricted access - publisher's policy
    Remote navigation systems, such as exploration of virtual 3D worlds or remote surgery, usually require higher bandwidth than the Internet connection commonly available at home. In this paper,we explore a set of techniques ...
  • Bandwidth reduction techniques for remote navigation systems 

    Vázquez Alcocer, Pere Pau; Sbert Cassasayas, Mateu (2002)
    Conference report
    Restricted access - publisher's policy
    In this paper we explore a set of techniques to reduce the bandwidth in remote navigation systems. These systems, such as exploration of virtual 3D worlds or remote surgery, usually require higher bandwidth than the common ...