Browsing by Title

Now showing items 12439-12458 of 17315

    • Real-Time Volume Rendering for Virtual ColonoscopyS 

      Li, Wei; Kaufman, Arie; Kreeger, Kevin (The Eurographics Association, 2001)
      We present a volume rendering system that is capable of generating high-quality images of large volumetric data (e.g., 512<sup>3</sup>) in real time (30 frames or more per second). The system is particularly ...

    • Real-Time Volume Visualization on Low-End Hardware 

      Mroz, Lukas (Mroz, 2001-05)
      Die Visualisierung von Volumsdaten ist ein wichtiges Werkzeug zur Untersuchung und Präsentation von Daten innerhalb zahlreicher Anwendungsgebiete. Bildgebende Verfahren innerhalb der Medizin sowie numerische Simulationen, ...

    • Real-time Volumetric Deformable Models for Surgery Simulation using Finite Elements and Condensation 

      Bro-Nielsen, Morten; Cotin, Stephane (Blackwell Science Ltd and the Eurographics Association, 1996)
      This paper discusses the application of 3D solid volumetric Finite Element models to surgery simulation. In particular it introduces three new ideas for solving the problem of achieving real-time performance for these ...

    • Real-time Volumetric Lighting in Participating Media 

      Toth, Balazs; Umenhoffer, Tamas (The Eurographics Association, 2009)
      Simulating light scattering in participating media, such as dust, fog or smoke, can greatly improve the overall realism of the images. This volumetric effect has been well studied in the context of off-line rendering but ...

    • Real-Time Volumetric Tests Using Layered Depth Images 

      Trapp, Matthias; Doellner, Juergen (The Eurographics Association, 2008)
      This paper presents a new approach for performing efficiently 3D point-in-volume tests for solid and arbitrary complex shapes. It classifies a 3D point as inside or outside of a solid specified by 3D polygonal geometry. ...

    • Real-Time Weighted Pose-Space Deformation on the GPU 

      Rhee, Taehyun; Lewis, J.P.; Neumann, Ulrich (The Eurographics Association and Blackwell Publishing, Inc, 2006)
      WPSD (Weighted Pose Space Deformation) is an example based skinning method for articulated body animation. The per-vertex computation required in WPSD can be parallelized in a SIMD (Single Instruction Multiple Data) manner ...

    • Real-time, Photo-realistic, Physically Based Rendering of Fine Scale Human Skin Structure 

      Haroy, Antonio; Guenterz, Brian; Essay, Irfan (The Eurographics Association, 2001)
      Skin is noticeably bumpy in character, which is clearly visible in close-up shots in a film or game. Methods that rely on simple texture-mapping of faces lack such high frequency shape detail, which makes them look ...

    • RealFind: ''Onde estão as Actas do Interacção 2006?'' 

      Cˆamara, Leonel; Guerreiro, Tiago; Gonçalves, Daniel (The Eurographics Association, 2021)
      Nos últimos anos tem sido feito algum esforço para ajudar os utilizadores a gerir a informação pessoal armazenada nos seus computadores. No entanto pouco tem sido feito para encontrar formas úteis de os ajudar a organizar ...

    • Realidade Aumentada com Dados Científicos em Dispositivos Móveis 

      Pedrosa, José Nunes; Carmo, Maria Beatriz; Cláudio, Ana Paula; Afonso, Ana Paula; Ferreira, António; Redweik, Paula; Catita, Cristina (The Eurographics Association, 2020)
      A Realidade Aumentada (RA) tem vindo a atingir grandes desenvolvimentos aplicacionais na última década, em parte devido à expansão da indústria de dispositivos móveis e ao bom compromisso que apresentam entre a portabilidade, ...

    • Realidade Aumentada para Caça ao Tesouro em Larga Escala 

      Fonseca, João; Felgueiras, Gilberto; Moreira, Pedro Miguel (The Eurographics Association, 2021)
      Este artigo apresenta e descreve a implementação de uma aplicação móvel que faz uso de dois sistemas de realidade aumentada para assistir o utilizador numa modalidade de cac¸a ao tesouro. Esta actividade lúdica, conhecida ...

    • Realidade Virtuaáplicada ao Tratamento da Ansiedade Social 

      Pinheiro, Tânia; Cláudio, Ana Paula; Carmo, Maria Beatriz; Esteves, Francisco (The Eurographics Association, 2021)
      A ansiedade, cada vez mais frequente na nossa sociedade, pode ser muito debilitante em situações extremas e até mesmo conduzir a problemas de saúde sérios, se não for tratada de forma adequada. Este artigo descreve uma ...

    • Realidade Virtual em Subvisão 

      Antunes, Cláudia; Lynce, Inês; Pereira, João Madeiras; Martins, João Pavão (The Eurographics Association, 2023)
      Neste artigo descrevemos um projecto desenvolvido no âmbito da Realidade Virtual que integra vários exercícios de reabilitação para crianças com Subvisão. As limitações a nível visual, já perto da cegueira, convertem as ...

    • Realising Real Time Multimedia Groupware on the Web 

      Allison, Colin; Bateman, Martin; Ruddle, Alan (The Eurographics Association, 2001)
      Real-time audio and video conferencing has not yet been satisfactorily integrated into web-based groupware environments. Conferencing tools are at best only loosely linked to other parts of a shared working environment. ...

    • Realistic and Interactive Visualization of High-Density Plant Ecosystems 

      Dietrich, Andreas; Colditz, Carsten; Deussen, Oliver; Slusallek, Philipp (The Eurographics Association, 2005)
      Modeling and visualization of natural and realistic outdoor ecosystems like forests or meadows remains a highly challenging task in computer graphics. Convincing and non-artificial scenes require many thousands to millions ...

    • Realistic Animation of Fluid with Splash and Foam 

      Takahashi, Tsunemi; Fujii, Hiroko; Kunimatsu, Atsushi; Hiwada, Kazuhiro; Saito, Takahiro and Tanaka, Ken and Ueki, Heihachi (Blackwell Publishers, Inc and the Eurographics Association, 2003)
      In this paper we describe a method for modeling and rendering dynamic behavior of fluids withsplashes and foam. A particle system is built into a fluid simulation system to represent an ocean wavecresting and spraying over ...

    • Realistic Buoyancy Model for Real‐Time Applications 

      Bajo, J. M.; Patow, G.; Delrieux, C. A. (© 2020 Eurographics ‐ The European Association for Computer Graphics and John Wiley & Sons Ltd, 2020)
      Following Archimedes' Principle, any object immersed in a fluid is subject to an upward buoyancy force equal to the weight of the fluid displaced by the object. This simple description is the origin of a set of effects ...

    • Realistic Collision Avoidance of Upper Limbs Based on Neuroscience Models 

      Nebel, Jean-Christophe (Blackwell Publishers Ltd and the Eurographics Association, 2000)

    • Realistic Following Behaviors for Crowd Simulation 

      Lemercier, Samuel; Jelic, Asja; Kulpa, Richard; Hua, Jiale; Fehrenbach, Jérôme; Degond, Pierre; Appert-Rolland, Cécile; Donikian, Stéphane; Pettré, Julien (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      While walking through a crowd, a pedestrian experiences a large number of interactions with his neighbors. The nature of these interactions is varied, and it has been observed that macroscopic phenomena emerge from the ...

    • A Realistic Gamification Attempt for the Ancient Agora of Athens 

      Kontogianni, Georgia; Georgopoulos, Andreas (IEEE, 2015)
      Digital technologies have affected significantly many fields of computer graphics such as Serious Games. These games are used for educational proposes in many scientific areas one of which is Digital Cultural Heritage. 3D ...

    • Realistic Generation and Real Time Animation of Images of the Human Colon 

      Haritsis, Angelo; Gillies, Duncan; Williams, Christopher (Blackwell Science Ltd and the Eurographics Association, 1992)
      A simulator has been built to teach doctors the skill of handling a flexible endoscope for gastrointestinal investigations. Trainees use a dummy endoscope in which the control actions are transduced into voltages and sensed ...