Now showing items 470-489 of 777

    • 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 ...
    • Pantalla multitáctil portátil de bajo coste 

      Re, Armando de la; Abad, Francisco; Camahort, Emilio; Lluch, Javier (The Eurographics Association, 2009)
      La tecnología multitáctil ha comenzado a introducirse en nuestra vida cotidiana, impulsada principalmente por los smartphones. Algunas compañías han lanzado al mercado pantallas de ordenador multitáctiles, presentando ...
    • Path Tracing on Massively Parallel Neuromorphic Hardware 

      Richmond, Paul; Allerton, David J. (The Eurographics Association, 2012)
      Ray tracing on parallel hardware has recently benefit from significant advances in the graphics hardware and associated software tools. Despite this, the SIMD nature of graphics card architectures is only able to perform ...
    • Pattern Recognition in Cytopathology for Papanicolaou Screening 

      Blackledge, Jonathan; Dubovitskiy, D. A. (The Eurographics Association, 2010)
      A unique space oriented filer is presented in order to detect and isolate the cell of a nucleus for applications in cytopathology. A classification method for nuclei is then considered based on the application of a set of ...
    • Patterns of Creativity in Design 

      Bilotta, E.; Pantano, P. (The Eurographics Association, 2007)
      One of the most remarkable features of the human mind is its creativity. During the course of this talk we shall be presenting some examples of the creative use of scientific models such as Chua's attractors and Cellular ...
    • PED: Pedestrian Environment Designer 

      McIlveen, James; Maddock, Steve; Heywood, Peter; Richmond, Paul (The Eurographics Association, 2016)
      Pedestrian simulations have many uses, from pedestrian planning for architecture design through to games and entertainment. However, it is still challenging to efficiently author such simulations, especially for non-technical ...
    • Perceived Quality of Simplified Polygonal Meshes: Evaluation using Observer Studies 

      Silva, Samuel; Ferreira, Carlos; Madeira, Joaquim; Santos, Beatriz Sousa (The Eurographics Association, 2006)
      The complexity of a polygonal mesh model is usually reduced by applying a simplification method, resulting in a similar mesh having less vertices and faces. Although several such methods have been developed, it is not yet ...
    • Perceived Rendering Thresholds for High-Fidelity Graphics on Small Screen Devices 

      Aranha, M.; Debattista, K.; Chalmers, A.; Hill, S. (The Eurographics Association, 2006)
      Small screen devices, also known as small-form-factor (SFF) devices including mobile phones and ultra mobile PCs are increasingly ubiquitous. Their uses includes gaming, navigation and interactive visualisation. SFF devices ...
    • Perception of Clones in Forest Rendering 

      Purvis, Alan; Sundstedt, Veronica (The Eurographics Association, 2010)
      The application of instanced clones represents a powerful technique for reducing the time and space requirements of the storage and visualization of large populations of similar objects. This paper presents the results of ...
    • Perception-based Lighting Design 

      Ha, Hai Nam; Olivier, Patrick (The Eurographics Association, 2006)
      Perception-based lighting design approaches model image quality using a cognitively grounded objective function which is in turn optimised through manipulation of the lighting parameters of a scene. We present, and ...