Ara es mostren els items 1-20 de 20

  • 3D simulation of tool machining 

    Puig Puig, Anna; Pérez Vidal, Lluís; Tost Pardell, Daniela (2001-12)
    Report de recerca
    Accés obert
    This paper describes a three-dimensional tool machining simulation system. The initial tool and the grinding wheels are integrated with the machine-tool. The application reads and interprets the CNC program code that ...
  • A Volume Visualization Algorithm using a coherent Extended Weight Matrix 

    Tost Pardell, Daniela; Puig Puig, Anna; Navazo Álvaro, Isabel (1995-01)
    Article
    Accés restringit per política de l'editorial
    Direct cell-to-cell volume visualization algorithms, also called projective rendering methods, present the advantage of allowing semi-transparencies and, additionally, as they project all the samples, they avoid the ...
  • An Adaptive Cutaway with Volume Context Preservation 

    Grau Carrion, Sergi; Puig Puig, Anna (Springer Berlin / Heidelberg, 2009-11-26)
    Capítol de llibre
    Accés restringit per política de l'editorial
    Knowledge expressiveness of scientific data is one of the most important visualization goals. However, current volume visualization systems require a lot of expertise from the final user. In this paper, we present a ...
  • Cerebral blood vessels modeling 

    Puig Puig, Anna (1998-04)
    Report de recerca
    Accés obert
    Cerebral vascular diseases are complex to analyze directly from the input data captions offered by Computer Tomographies and Magnetic Resonances because the cerebral blood vessels are small and narrow. In this report, ...
  • Design of a multimodal rendering system 

    Puig Puig, Anna; Tost Pardell, Daniela; Ferré Bergadà, Maria (2002-05)
    Report de recerca
    Accés obert
    This paper addresses the rendering of aligned regular multimodal datasets. It presents a general framework of multimodal data fusion that includes several data merging methods. We also analyze the requirements ...
  • Discrete medial axis transform for discrete objects 

    Puig Puig, Anna (1998-04)
    Report de recerca
    Accés obert
    The Medial Axis Transform MAT was defined by Blum as an alternate description of the shape of a continuous object. The MAT is the closure of the set of centers of maximal balls which can fit inside the object. A ball ...
  • Discrete medial axis transform for discrete thin and elongated objects 

    Puig Puig, Anna; Tost Pardell, Daniela; Navazo Álvaro, Isabel (1999-12)
    Report de recerca
    Accés obert
    Skeletons are compact shape descriptions of discrete images. They have been extensively studied because of their utility in various applications such as data compression, shape abstraction, navigation and features detection. ...
  • Efficient complementary viewpoint selection in volume rendering 

    Grau Carrion, Sergi; Puig Puig, Anna; Escalera, Sergio; Salamó, Maria; Amoros, Oscar (2013)
    Text en actes de congrés
    Accés obert
    A major goal of visualization is to appropriately express knowledge of scientific data. Generally, gathering visual information contained in the volume data often requires a lot of expertise from the final user to setup ...
  • Funciones en el modelado de solidos y paradigmas de diseño 

    Solano Albajés, Lluís; Vigo Anglada, Marc; Puig Puig, Anna (2001-10)
    Report de recerca
    Accés obert
    En este artículo se describen y analizan las diferentes funciones de modelado de sólidos más comunes que ofrecen los actuales sistemas de CAD. Se explican también las limitaciones e inconsistencias a qué pueden dar ...
  • Hybrid model for vascular tree structures 

    Puig Puig, Anna; Tost Pardell, Daniela; Navazo Álvaro, Isabel (1999-12)
    Report de recerca
    Accés obert
    This paper proposes a new representation scheme of the cerebral blood vessels. This model provides information on the semantics of the vascular structure: the topological relationships between vessels and the ...
  • Intelligent interactive volume classification 

    Grau Carrion, Sergi; Puig Puig, Anna; Escalera, Sergio; Salamó, Maria (2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    This paper defines an intelligent and interactive framework to classify multiple regions of interest from the original data on demand, without requiring any preprocessing or previous segmentation. The proposed intelligent ...
  • Non-homogeneous solid modeling with octrees. A geological application 

    Puig Puig, Anna; Navazo Álvaro, Isabel; Brunet Crosa, Pere (1993-03)
    Report de recerca
    Accés obert
    From an historical point of view, geometric modeling techniques usually represent the surface of solids. However, the increasing development of new fields in CAD applications like molecular systems, medicine, or geology, ...
  • Region-based illustrative visualization of multimodal datasets 

    Abellán Moreno, Pascual; Tost Pardell, Daniela; Grau Carrion, Sergi; Puig Puig, Anna (2013-06-01)
    Article
    Accés restringit per política de l'editorial
    We present as novel method for the exploration of multiple overlapping volumes that provides flexibility to merge data in different ways in different regions. In each region, either one of the modalities is rendered alone ...
  • Rendering techniques for multimodal data 

    Ferré Bergadà, Maria; Puig Puig, Anna; Tost Pardell, Daniela (2002-02)
    Report de recerca
    Accés obert
    Many different direct volume rendering methods have been developed to visualize 3D scalar fields on uniform rectilinear grids. However, little work has been done on rendering simultaneously various properties of the same ...
  • Research trends in volume modeling 

    Navazo Álvaro, Isabel; Puig Puig, Anna; Tost Pardell, Daniela (1993-09)
    Report de recerca
    Accés obert
    Volume modeling has recently emerged as a promising field of research and development. A generic scheme of volume modeling applications is proposed and applied to existing volume modeling applications. Next, volume modeling ...
  • Time-varying volume visualization 

    Ayala Vallespí, M. Dolors; Campos Miralles, Jordi; Ferré, Maria; Grau Carrion, Sergi; Puig Puig, Anna; Tost Pardell, Daniela (2005-07-22)
    Report de recerca
    Accés obert
    Volume rendering is a very active research field in Computer Graphics because of its wide range of applications in various sciences, from medicine to flow mechanics. In this report, we survey a state-of-the-art on time-varying ...
  • Visual clues in multimodal rendering 

    Tost Pardell, Daniela; Puig Puig, Anna; Ferré Bergadà, Maria (2002-05)
    Report de recerca
    Accés obert
    This report presents a comparative analysis of different multimodal rendering methods proposed in [FPT02]. It shows how relevant features of a property as well as relationships between data can be outlined by choosing ...
  • Visualization of cerebral blood vessels 

    Puig Puig, Anna (1998-04)
    Report de recerca
    Accés obert
    In order to enhance the cerebral blood vessels in the visualization, in this report, the specific problems of the medical diagnosis of vascular structures and the requirements of the visualization are presented. The ...
  • Visualization of labeled segments cross-contour surfaces 

    Puig Puig, Anna; Tost Pardell, Daniela (2000-01-08)
    Report de recerca
    Accés obert
    Cross contour surfaces are composed of sets of planar contours. They are the natural output of surface extraction algorithms based on contouring features in parallel image slices of volume models. They are ...
  • VolDmi: an open system for volume modeling and visualization 

    López, Jordi; Tost Pardell, Daniela; Puig Puig, Anna; Navazo Álvaro, Isabel (1996-01)
    Article
    Accés restringit per política de l'editorial
    The paper describes VolDmi, an open system for volume modeling and visualization defined as an interactive platform which will integrate current and future research developments, as well as specific applications. The article ...