Now showing items 1-20 of 86

    • 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 ...
    • A general illumination model for molecular visualization 

      Hermosilla Casajús, Pedro; Vázquez Alcocer, Pere Pau; Vinacua Pla, Álvaro; Ropinski, Timo (2018-06)
      Article
      Open Access
      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 ...
    • 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 ...
    • A Web-based application for the visual exploration of colon morphology data 

      Males, Jan; Monclús Lahoya, Eva; Díaz Iriberri, José; Vázquez Alcocer, Pere Pau (European Association for Computer Graphics (Eurographics), 2019)
      Conference report
      Open Access
      The colon is an organ whose constant motility poses difficulties to its analysis. Although morphological data can be successfully extracted from Computational Tomography, its radiative nature makes it only indicated for ...
    • 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 ...
    • 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 ...
    • 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 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 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 ...