Now showing items 714-733 of 758

    • Variations on Image Reconstruction:Weighted Back Projection and Fourier Expectation Maximization 

      Ryan, Andrew; Mora, B. (The Eurographics Association, 2014)
      Expectation Maximization and Filtered Back Projection are two common techniques for Tomographic reconstruction of images and volumes. While papers often demonstrat that EM produces higher quality reconstructions, particularly ...
    • Ventricular Puncture Trainer 

      Pandiella, Imanol Muñoz; Monclús, Eva; Brunet, Pere; Conesa, Gerard (The Eurographics Association, 2012)
      The learning process in neurosurgery is a large and difficult task based on experimentation, being ventriculostomy not an exception. We have developed a virtual reality system to help training novel surgeons on this kind ...
    • View-dependent Hierarchical Rendering of Massive Point Clouds through Textured Splats 

      Trinidad, Marc Comino; Calaf, Antonio Chica; Gran, Carlos Andújar (The Eurographics Association, 2019)
      Nowadays, there are multiple available range scanning technologies which can capture extremely detailed models of realworld surfaces. The result of such process is usually a set of point clouds which can contain billions ...
    • ViewFusion: Correlating Structure and Activity Views for Execution Traces 

      Trümper, Jonas; Telea, Alexandru; Döllner, Jürgen (The Eurographics Association, 2012)
      Visualization of data on structure and related temporal activity supports the analysis of correlations between the two types of data. This is typically done by linked views. This has shortcomings with respect to efficient ...
    • Viewing 0.3Tb Heart Simulation Data At Your Desk 

      Grimstead, I. J.; Kharche, S.; Zhang, H.; Avis, N. J.; Walker, D. W. (The Eurographics Association, 2007)
      Atrial fibrillation (AF) affects a large section of the aged population, accounting for nearly 1% of total National Health Service (NHS) expenditure. Modelling of this condition to promote further understanding is hence ...
    • A Virtual Character Posing System based on Reconfigurable Tangible User Interfaces and Immersive Virtual Reality 

      Cannavò, A.; Lamberti, F. (The Eurographics Association, 2018)
      Computer animation and, particularly, virtual character animation, are very time consuming and skill-intensive tasks, which require animators to work with sophisticated user interfaces. Tangible user interfaces (TUIs) ...
    • A Virtual Design Museum 

      Morlando, Giorgia; Guidi, Gabriele (The Eurographics Association, 2011)
      The "Virtual Design Museum" is a research that aims to investigate the possibilities of representating a virtual product with high cultural content, such as Industrial Design Products, using Virtual Reality techniques and ...
    • Virtual Femoral Palpation Simulation for Interventional Radiology Training 

      Coles, Timothy R.; Gould, Derek A.; John, Nigel W.; Caldwell, Darwin G. (The Eurographics Association, 2010)
      A femoral palpation simulation for training purposes has been developed to simulate the initial steps of the Seldinger technique which is currently neglected in both commercial and academic medical training simulations. ...
    • Virtual Reality Callouts - Demonstrating Knowledge With Spatial-Related Textual Information 

      Horst, Robin; Degreif, Anika; Mathy, Marvin; Dörner, Ralf (The Eurographics Association, 2019)
      Virtual (VR) and augmented reality (AR) can bring an added value during the demonstration of knowledge, as for example within an interactive research demo. Callouts are strings of text which are connected by a line to a ...
    • A Virtual Reality Front-end for City Modeling 

      Rando, Eduard; Andujar, Carlos; Patow, Gustavo A. (The Eurographics Association, 2019)
      Current tools for city modeling, including those supporting procedural techniques, have a steep learning curve and require substantial user input and/or skills to create realistic 3D models of cities. In this paper we ...
    • A Virtual Reality Front-End for Earthquake Simulation 

      Fita, Josep Lluis; Besuievsky, Gonzalo; Patow, Gustavo A. (The Eurographics Association, 2019)
      Virtual Reality has traditionally been used in Cultural Heritage for giving to the final user an immersive experience over recreated scenarios, which usually have been designed and focused on static environment recreation. ...
    • Virtual Reality: A Literature Review and Metrics-based Classification 

      Ankomah, Peter; Vangorp, Peter (The Eurographics Association, 2018)
      This paper presents a multi-disciplinary overview of research evaluating virtual reality (VR). The main aim is to review and classify VR research based on several metrics: presence and immersion, navigation and interaction, ...
    • Virtual Sculpting Using Implicit Surfaces with Scattered Data Interpolation 

      Zhang, K.; Noble, R. A.; McDermott, R. J.; Wilson, A. (The Eurographics Association, 2005)
      This paper presents a virtual sculpting system that shows an approach to the interactive deformation of soft objects. The soft objects are represented by implicit surfaces which are visualized using a constrained particle ...
    • A Virtual-Reality-based Evaluation Environment for Wheelchair-mounted Manipulators 

      Santis, Agostino De; Gironimo, Giuseppe Di; Marzano, Adelaide; Siciliano, Bruno; Tarallo, Andrea (The Eurographics Association, 2008)
      The design of solutions for robotic extenders of wheelchairs must take into account both objective and subjective metrics for everyday activities in human environments. Virtual Reality (VR) constitutes a useful tool to ...
    • Visibility-Weighted Saliency for Volume Visualization 

      Luo, Shengzhou; Dingliana, John (The Eurographics Association, 2015)
      Volume visualization has been widely used to depict complicated 3D structures in volume data sets. However, obtaining clear visualization of the features of interest in a volume is still a major challenge. The clarity of ...
    • Visiting Ancient Rome with a Serious Game 

      Galí, Carlos; Remolar, Inmaculada; Rebollo, Cristina (The Eurographics Association, 2019)
      The current rise of video games has made that different fields of research feel attracted to these new technologies in order to enhance their works and make their results more attractive. It is for this reason that so-called ...
    • Visual Analysis of Glycogen Derived Lactate Absorption in Dense and Sparse Surface Reconstructions of Rodent Brain Structures 

      Calì, Corrado; Agus, Marco; Gagnon, Nicholas; Hadwiger, Markus; Magistretti, Pierre J. (The Eurographics Association, 2017)
      Astrocytes are the most abundant type of glial cells of the central nervous system; their involvement in brain functioning, from synaptic to network level, is to date a matter of intense research. A well-established function ...
    • Visual Analysis of Hurricane Data Using Joint Contour Net 

      Geng, Zhao; Duke, David; Carr, Hamish; Chattopadhyay, Amit (The Eurographics Association, 2014)
      Topology provides a rigorous foundation for identifying features and transitions within data. However, computing and presenting topological features in multi-dimensional range space is still a difficult problem. The Joint ...
    • Visual Analysis of Packing Process for 3D Container 

      Yue, Y.; Middleton, M.; Liu, J. (The Eurographics Association, 2006)
      The cutting and packing problem has been encountered in many industrial sectors, and become a research focus in operations research. Because of its nature, it is a commendable goal to visualise the process of cutting and ...
    • Visual Enhancements for Improved Interactive Rendering on Light Field Displays 

      Agus, Marco; Pintore, Giovanni; Marton, Fabio; Gobbetti, Enrico; Zorcolo, Antonio (The Eurographics Association, 2011)
      Rendering of complex scenes on a projector-based light field display requires 3D content adaptation in order to provide comfortable viewing experiences in all conditions. In this paper we report about our approach to improve ...