Ara es mostren els items 88-107 de 114

    • Real-time exploration of the virtual reconstruction of the entrance of the Ripoll Monastery 

      Besora Vilardaga, Isaac; Brunet Crosa, Pere; Chica Calaf, Antonio; Morales, Daniel; Moyés, Jordi (Eurographics association, 2008-09-30)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the project of the virtual reconstruction and inspection of the "Portalada", the entrance of the Ripoll Monastery. In a first step, the monument of 7 x 11 meters was acquired using triangulation laser ...
    • Relief impostor selection for large scale urban rendering 

      Andújar Gran, Carlos Antonio; Díaz Iriberri, José; Brunet Crosa, Pere (2008)
      Comunicació de congrés
      Accés obert
      Image-based rendering techniques are often the preferred choice to accelerate the exploration of massive outdoor models and complex human-made structures. In the last few years, relief mapping has been shown to be extremely ...
    • Research issues in data modeling for scientific visualization 

      Nielson, Gregory M; Brunet Crosa, Pere; Gross, Markus; Hagen, Hans; Klimenko, S.V. (1994-02)
      Article
      Accés obert
      This article summarizes some topics of modeling as they impinge on the future development of scientific data visualization. The benefits from visualization techniques in analyzing data are well established, but to build ...
    • Robust topology simplification 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Ayala Vallespí, M. Dolors (2000-05)
      Report de recerca
      Accés obert
      This paper deals with simplification algorithms for generating coarse-level approximations of both geometrically and topologically complex models. Our main contribution is a new framework called DPS which models a family ...
    • Satisfacció de restriccions geomètriques de distància per relaxació restricció a restricció 

      Solano Albajés, Lluís; Brunet Crosa, Pere (1998-06)
      Report de recerca
      Accés obert
      En aquest report es presenta un algorisme de satisfacció de restriccions geomètriques de distancia basat en la relaxació restricció a restricció en models 2D on només hi hagi restriccions de distància. En primer lloc es ...
    • Satisfacció de restriccions geomètriques de distància per relaxació restricció a restricció 

      Solano Albajés, Lluís; Brunet Crosa, Pere (1998-06-01)
      Report de recerca
      Accés obert
      In this report an algorithm for the satisfaction of geometric constraints of distance in 2D models is proposed. It is based on the step-by-step relaxation of each constraint and, under well-bounded conditions, ...
    • Sistema avanzado de CAD Distribuido: integracion final del software 

      Brunet Crosa, Pere; Solano Albajés, Lluís; Monclús Lahoya, Eva; Fairén González, Marta; Vivo Lorenzo, Manuel; Vinacua Pla, Álvaro; Pueyo Sánchez, Xavier; Navazo Álvaro, Isabel; Joan Arinyo, Robert; Vázquez Alcocer, Pere Pau (1999-01-13)
      Report de recerca
      Accés obert
      El presente documento es un resumen de los resultados obtenidos en el marco del proyecto TIC95-0630. Proyecto conjunto entre la Universitat Politecnica de Catalunya y la Universidad de Girona. La integracion de los ...
    • Smooth contour line construction with spline interpolation 

      Brunet Crosa, Pere; Pérez Vidal, Lluís (Universitat Politècnica de Barcelona. Centre de Càlcul, 1984-09)
      Article
      Accés obert
      Contour maps are frequently used to represent three-dimensional surfaces from geographical applications or experimental results. In this paper two new algorithms for the generation and display of such contours are ...
    • Solid modelling for manufacturing: from Voelcker's boundary evaluation to discrete paradigms 

      Andújar Gran, Carlos Antonio; Brunet Crosa, Pere; Chica Calaf, Antonio; Navazo Álvaro, Isabel; Vinacua Pla, Álvaro (2022-11-01)
      Article
      Accés obert
      Herb Voelcker and his research team laid the foundations of Solid Modelling, on which Computer-Aided Design is based. He founded the ambitious Production Automation Project, that included Constructive Solid Geometry (CSG) ...
    • Solid representation and operation using extended octrees 

      Brunet Crosa, Pere; Navazo Álvaro, Isabel (1990-04)
      Article
      Accés restringit per política de l'editorial
      Solid modelers must be based on reliable and fast algorithms for Boolean operations. The octree model, as well as several generalizations (polytrees, integrated polytrees, extended octrees), is specially well suited for ...
    • Spain: computer graphics education evolves with curricula structure 

      Brunet Crosa, Pere; Navazo Álvaro, Isabel (1996-08)
      Article
      Accés restringit per política de l'editorial
      Computer graphics education is becoming more and more relevant in technical studies in Spain. This positive evolution is partly due to the changes in the curricula structure in the undergraduate studies in Spain in recent ...
    • Surface fairing for ship hull design application. 

      Brunet Crosa, Pere; Vinacua Pla, Álvaro; Vivo Lorenzo, Manuel; Pla García, Núria; Rodríguez, A (1998-06)
      Report de recerca
      Accés obert
      This paper describes the design and implementation of a fairing module for a ship hull design application. This module is part of a large project on ship design, including facilities for piping, hull design and virtual ...
    • Sweep encoding: Serializing space subdivision schemes for optimal slicing 

      Comino Trinidad, Marc; Vinacua Pla, Álvaro; Carruesco Llorens, Àlex; Chica Calaf, Antonio; Brunet Crosa, Pere (Elsevier, 2022-05)
      Article
      Accés obert
      Slicing a model (computing thin slices of a geometric or volumetric model with a sweeping plane) is necessary for several applications ranging from 3D printing to medical imaging. This paper introduces a technique designed ...
    • Temari IB1 

      Brunet Crosa, Pere; Martínez Parra, Conrado; Merenciano Saladrigas, Josep Maria; Pueyo Sánchez, Xavier; Solano Albajés, Lluís; Soto Riera, Antoni; Vila Marta, Sebastià (1996-09-10)
      Report de recerca
      Accés obert
    • The discretized polyhedra simplification (DPS): a framework for polyhedra simplification based on decomposition schemes 

      Andújar Gran, Carlos Antonio; Ayala Vallespí, M. Dolors; Brunet Crosa, Pere (1999-01)
      Report de recerca
      Accés obert
      This work discusses simplification algorithms for the generation of a multiresolution family of solid representations from an initial polyhedral solid. We introduce the Discretized Polyhedra Simplification (DPS), a framework ...
    • The geometric modelling system DMI 

      Brunet Crosa, Pere; Joan Arinyo, Robert; Planas, Pau; Torres i Ferrer, Enric (1990)
      Report de recerca
      Accés obert
    • The Multientity Definition Textual Language (MDTL) geometric format: specification and API 

      Vázquez Alcocer, Pere Pau; Brunet Crosa, Pere (1999-01-13)
      Report de recerca
      Accés obert
      MDTL is a textual language created by the Computer Graphics Section of the Language and Information Systems of the Universitat Politecnica de Catalunya. The Computer Graphics Section has several research groups which use ...
    • The Visibility octree. A data structure for 3D navigation 

      Saona Vázquez, Carlos Luis; Navazo Álvaro, Isabel; Brunet Crosa, Pere (1999-06)
      Report de recerca
      Accés obert
      This paper describes the Visibility Octree, a data structure to accelerate 3D navigation through very complex scenes. A conservative visibility algorithm that computes and hierarchically stores the structure at a preprocessing ...
    • The visibility octree: a data structure for 3D navigation 

      Saona Vázquez, Carlos Luis; Navazo Álvaro, Isabel; Brunet Crosa, Pere (1999-05)
      Article
      Accés restringit per política de l'editorial
      This paper describes the visibility octree, a data structure to accelerate 3D navigation through very complex scenes. A conservative visibility algorithm that computes and hierarchically stores the structure at a preprocessing ...
    • Topological constraints in ship design 

      Solano Albajés, Lluís; Gurrea, I; Brunet Crosa, Pere (2000-04)
      Report de recerca
      Accés obert
      In this paper we propose a generic and integrated data structure that is decoupled form the product model database in order to manage and update the geometric elements (parts) related with topological constraints. We ...