Now showing items 461-480 of 777

    • A New Approach for Perceptually-based Fitting Strokes into Straight Segments 

      Plumed, Raquel; Company, Pedro; Varley, Peter A. C. (The Eurographics Association, 2015)
      Fitting the strokes of a sketch into geometrical primitives is still an open problem, even for sketches which depict bare line-drawings without annotations. Such sketches comprise only discrete strokes, sequences of points ...
    • A New Approach to Explore Integral Field Spectroscopy Data 

      Romo, Celia; Torres, Juan Carlos; León, Alejandro J.; Pérez, E. (The Eurographics Association, 2012)
      Integral field spectroscopy (IFS) is a technique that is widely used in astronomy. It gives simultaneously the spectra of each spatial sampling element of a given field, generating a large amount of information that is ...
    • A New Descreening Technique in the Frequency Domain 

      Battiato, S.; Stanco, F. (The Eurographics Association, 2006)
      In this paper a new algorithm to obtain a continuous tone image starting from a halftoned one is proposed. This descreening technique is based on Butterworth filtering in the frequency domain. It removes the pattern of the ...
    • A New Method for Interacting with Multi-Window Applications on Large, High Resolution Displays 

      Rooney, Chris; Ruddle, Roy A. (The Eurographics Association, 2008)
      Physically large display walls can now be constructed using off-the-shelf computer hardware. The high resolution of these displays (e.g., 50 million pixels) means that a large quantity of data can be presented to users, ...
    • A new Potential-based SPH Method 

      Perea, Juan J.; Cordero, Juan M. (The Eurographics Association, 2016)
      In Computer Graphics the fluid simulation plays a relevant role. Amongst the existing methods, the SPH method is highlighted by its simplicity, versatility and adaptability. Nevertheless, several research show some limitations ...
    • NikVision: Desarrollo de Videojuegos basados en Interfaces Naturales 

      Marco, J.; Cerezo, E.; Baldassarri, S. (The Eurographics Association, 2008)
      En este artículo se presenta una videoconsola experimental para niños basada en el uso de elementos tangibles. No requiere sofisticados elementos tecnológicos, instalaciones grandes o complejas, ni condiciones ambientales ...
    • Noise Reduction Automation of LiDAR Point Clouds for Modeling and Representation of High Voltage Lines in a 3D Virtual Globe 

      Santana, Jaisiel; Ortega, Sebastián; Santana, José Miguel; Trujillo, Agustin; Suárez, Jose Pablo (The Eurographics Association, 2018)
      Due to the importance of electricity supply, electric companies must inspect their infrastructure in order to guarantee the reliability of the service. In this scenario, many companies use LiDAR technology for modeling the ...
    • Non-rigid 3D Faces Registration using Geodesic Distance Maps 

      Gurguí, T.; Poveda, F.; Martí, E. (The Eurographics Association, 2012)
      3D facial mesh registration is a key step in 3D facial analisys. This process calculates a mapping between faces in order to put in correspondence each point of both faces. In this poster we introduce a new approach for ...
    • A Novel Control Mechanism for Distributed Stream Rendering 

      O'Brien, J. T.; Kalawsky, R. S. (The Eurographics Association, 2007)
      This paper describes a new control mechanism for distributed rendering. Control mechanisms have previously been widely used in many fields from autonomous robots to video streaming. Their use in video streaming has allowed ...
    • NURBS-based Inverse Reflector Design 

      Anson, Oscar; Seron, Francisco J.; Gutierrez, Diego (The Eurographics Association, 2008)
      Commonly used direct rendering techniques simulate light transport for a complete scene, specified in terms of light sources, geometry, materials, participating media, etc. On the other hand, inverse rendering problems ...
    • Object Interaction Using Tabulated Spheres Subsets 

      Newball, Andres A. Navarro; Wyvill, Geoff; McCane, Brendan (The Eurographics Association, 2009)
      Tabulated Sphere Subsets (TSSs) provide a fast way to approximate collision tests between objects whose motion is constrained. A TSS is a subset of a set of spheres that approximate the shape of two objects that might ...
    • Occlusion Ratio: a new Query Parameter for GPUs 

      Mansa, Ignacio; Amundarain, Aiert; Matey, Luis; García-Alonso, Alex (The Eurographics Association, 2009)
      This work suggests improvements that can be added to current GPUs and graphic rendering APIs to increase occlusion culling performance, that is, to raise the frame rate that can be achieved using hardware occlusion queries. ...
    • On Estimating the Effectiveness of Temporal and Spatial Coherence in Parallel Ray Tracing 

      Cosenza, Biagio; Cordasco, Gennaro; Chiara, Rosario De; Erra, Ugo; Scarano, Vittorio (The Eurographics Association, 2008)
      In this paper we estimate the effectiveness of exploiting coherence in Parallel Ray Tracing. We present a load- balancing technique which divides the original rendering problem in balanced subtasks and distribute them to ...
    • On the Design of a Mixed-Reality Annotations Tool for the Inspection of Pre-fab Buildings 

      García-Pereira, Inma; Gimeno, Jesús; Portalés, Cristina; Vidal-González, María; Morillo, Pedro (The Eurographics Association, 2018)
      The introduction of Augmented Reality (AR) and Virtual Reality (VR) in the inspection works carried out during the construction of prefabricated buildings can allow the early detection and elimination of deviations in their ...
    • On the Fractal Behaviour of AA Patterns 

      Ahmed, Abdalla G. M. (The Eurographics Association, 2012)
      ''AA Patterns'' is a recently discovered kind of algorithmic art in the form of pixel patterns; where each pixel in a 2D bitmap is set or unset according to a simple test applied to its coordinates pair. In spite of their ...
    • Optimising Underwater Environments for Mobile VR 

      Cenydd, Llyr ap; Headleand, Christopher (The Eurographics Association, 2019)
      Mobile Virtual Reality (VR) has advanced considerably in the last few years, driven by advances in smartphone technology. There are now a number of commercial offerings available, from smartphone powered headsets to ...
    • Optimización del Cálculo de Colisiones para Mallas Deformables mediante Voxelización de Primitivas 

      Gascon, J.; Otaduy, M. A.; Espadero, J. M.; Rodríguez, A. (The Eurographics Association, 2008)
      Este artículo propone una optimización para la detección de colisiones de objetos deformables, consistente en la voxelización eficiente de primitivas en particiones espaciales. Nuestra técnica tiene aplicabilidad en el ...
    • An Optimized Marker Layout for 3D Facial Motion Capture 

      Will, A. D.; Martino, J. M. De; Bezerra, J. (The Eurographics Association, 2018)
      Facial motion capture (Facial Mocap) has gained increasing attention from researchers and professionals from different areas of interest, including entertainment, face-to-face communication, and training. Facial Mocap ...
    • Ordering Triangles in Triangulated Terrains Over Regular Grids 

      Alonso, Jesús; Joan-Arinyo, Robert (The Eurographics Association, 2016)
      In this work we report on a set of rules to visit triangles in triangulated height fields defined over regular grids in a back-to- front order with respect to an arbitrary viewpoint. With the viewpoint, we associate an ...
    • Out of core Polyhedral Union and its Application to Interactive Shadow Rendering 

      Fedorkiw, J.; Smith, C.; Ghali, S. (The Eurographics Association, 2006)
      Four methods for storing a set of points using a computer are currently known: Boundary representations, Constructive Solid Geometry, Binary Space Partitioning trees, and Nef polyhedra. We describe a time and spaceefficient ...