Now showing items 10015-10034 of 14380

    • A Qualitative Study on the Exploration of Temporal Changes in Flow Maps with Animation and Small-Multiples 

      Boyandin, Ilya; Bertini, Enrico; Lalanne, Denis (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We present a qualitative user study analyzing findings made while exploring changes over time in spatial interactions. We analyzed findings made by the study participants with flow maps, one of the most popular representations ...
    • Quality Assurance Based on Descriptive and Parsimonious Appearance Models 

      Nielsen, J. B.; Eiriksson, E. R.; Kristensen, R. L.; Wilm, J.; Frisvad, J. R.; Conradsen, K.; Aanæs, H. (The Eurographics Association, 2015)
      In this positional paper, we discuss the potential benefits of using appearance models in additive manufacturing, metal casting, wind turbine blade production, and 3D content acquisition. Current state of the art in ...
    • Quality Control of an Interpolation Method for Discontinuous Parametric Surfaces 

      Seron, F.J.; Torrens, J.J; Magallon, J.A. (Blackwell Science Ltd and the Eurographics Association, 1993)
      In this paper we study a finite element interpolation method for fitting discontinuous parametric surfaces when the data points are the nodes of a curvilinear grid. Quality control of the interpolating surfaces is also ...
    • Quality Enhancement of Direct Volume Rendered Images 

      Chan, Ming-Yuen; Wu, Yingcai; Qu, Huamin (The Eurographics Association, 2007)
      In this paper, we propose a new method for enhancing the quality of direct volume rendered images. Unlike the typical image enhancement techniques which perform transformations in the image domain, we take the volume data ...
    • Quality Isosurface Mesh Generation Using an Extended Marching Cubes Lookup Table 

      Raman, Sundaresan; Wenger, Rephael (The Eurographics Association and Blackwell Publishing Ltd., 2008)
    • Quality Metrics for Information Visualization 

      Behrisch, Michael; Blumenschein, Michael; Kim, Nam Wook; Shao, Lin; El-Assady, Mennatallah; Fuchs, Johannes; Seebacher, Daniel; Diehl, Alexandra; Brandes, Ulrik; Pfister, Hanspeter; Schreck, Tobias; Weiskopf, Daniel; Keim, Daniel A. (The Eurographics Association and John Wiley & Sons Ltd., 2018)
      The visualization community has developed to date many intuitions and understandings of how to judge the quality of views in visualizing data. The computation of a visualization's quality and usefulness ranges from measuring ...
    • Quality Metrics to Guide Visual Analysis of High Dimensional Genomics Data 

      Fernstad, Sara Johansson; Macquisten, Alexander; Berrington, Janet; Embleton, Nicholas; Stewart, Christopher (The Eurographics Association, 2020)
      Studies of genome sequenced data are increasingly common in many domains. Technological advances enable detection of hundreds of thousands of biological entities in samples, resulting in extremely high dimensional data. ...
    • Quality of Service Management for a Media-Enhanced Virtual Meeting Place 

      Pappas-Katsiafas, Evangelos; Smith, Alan; Khan, Kashaf (The Eurographics Association, 2000)
      This paper details work in progress to produce a Media-enhanced virtual meeting place using Quality of Service Management components to cope with heterogeneous networks and end-systems. In recent years there have been great ...
    • A Quality-Preserving Cartesian to Body-Centered Cubic Downsampling Transform 

      Alim, Usman R.; Oliveira, Thiago Valentin de (The Eurographics Association, 2015)
      The body-centered cubic lattice is the optimal sampling lattice in three dimensions. However, most volumetric datasets are acquired on the well-known Cartesian cubic lattice. In order to leverage the approximation capabilities ...
    • Quantifying 3D Shape Similarity Using Maps: Recent Trends, Applications and Perspectives 

      Biasotti, S.; Cerri, A.; Bronstein, A.; Bronstein, M. (The Eurographics Association, 2014)
      Shape similarity is an acute issue in Computer Vision and Computer Graphics that involves many aspects of human perception of the real world, including judged and perceived similarity concepts, deterministic and probabilistic ...
    • Quantifying the Error of Light Transport Algorithms 

      Celarek, Adam; Jakob, Wenzel; Wimmer, Michael; Lehtinen, Jaakko (The Eurographics Association and John Wiley & Sons Ltd., 2019)
      This paper proposes a new methodology for measuring the error of unbiased physically based rendering algorithms. The current state of the art includes mean squared error (MSE) based metrics and visual comparisons of ...
    • Quantifying Uncertainty in Multivariate Time Series Pre-Processing 

      Bors, Christian; Bernard, Jürgen; Bögl, Markus; Gschwandtner, Theresia; Kohlhammer, Jörn; Miksch, Silvia (The Eurographics Association, 2019)
      In multivariate time series analysis, pre-processing is integral for enabling analysis, but inevitably introduces uncertainty into the data. Enabling the assessment of the uncertainty and allowing uncertainty-aware analysis, ...
    • Quantifying Visual Abstraction ality for Stipple Drawings 

      Spicker, Marc; Hahn, Franz; Lindemeier, Thomas; Saupe, Dietmar; Deussen, Oliver (Association for Computing Machinery, Inc (ACM), 2017)
      We investigate how the perceived abstraction quality of stipple illustrations is related to the number of points used to create them. Since it is di cult to nd objective functions that quantify the visual quality of such ...
    • QuantiScale: A Study in Redesigning Interactions for Multi-Touch 

      Ritter, Felix; Issawi, Jumana Al; Benten, Simon (The Eurographics Association, 2015)
      We investigate the performance of QuantiScale, a new multi-touch interaction technique for the quantification of distances in medical images and discuss the benefits and prospects of redesigning interactions with multi-touch ...
    • Quantitative + Qualitative Information for Heritage Conservation An Open Science Research for paving 'collaboratively' the way to Historical-BIM 

      Fernandez, Jorge Garcia; Anssi, Joutsiniemi; Ahn, Yushin; Fernandez, Juan Jose (IEEE, 2015)
      Quantitative + Qualitative Information for Heritage Conservation An Open Science Research for paving 'collaboratively' the way to Historical-BIM
    • Quantitative Analysis of Voxel Raytracing Acceleration Structures 

      Chajdas, Matthäus G.; Westermann, Rüdiger (The Eurographics Association, 2014)
      In this work, we provide a comprehensive analysis of GPU acceleration structures for voxel raytracing. We compare the commonly used octrees to BVH and KD trees, which are the standard in GPU triangle raytracing. Evaluating ...
    • Quantitative and Qualitative Analysis of the Perception of Semi‐Transparent Structures in Direct Volume Rendering 

      Englund, R.; Ropinski, T. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)
      Direct Volume Rendering (DVR) provides the possibility to visualize volumetric data sets as they occur in many scientific disciplines. With DVR semi‐transparency is facilitated to convey the complexity of the data. ...
    • A Quantitative Assessment of the Impact on Spatial Understanding of Exploring a Complex Immersive Virtual Environment using Augmented Real Walking versus Flying 

      Interrante, Victoria; O'Rourke, Eleanor; Gray, Leanne; Anderson, Lee; Ries, Brian (The Eurographics Association, 2007)
      When an immersive virtual environment spans an area that is larger than the available physical space for real walking, one may use an augmented walking method such as Seven League Boots to enable participants to explore ...
    • Quantitative Comparison of Hole Filling Methods for 3D Object Search 

      Rojas, Mario A.; Sukno, Federico M.; Waddington, John L.; Whelan, Paul F. (The Eurographics Association, 2014)
      Retrieval of 3D models has become an important issue due to the increase in the number of digitized objects that are available in many different fields. When stored data present defects such as holes, accurate and reliable ...
    • Quantitative Comparison of Time-Dependent Treemaps 

      Vernier, Eduardo; Sondag, Max; Comba, João; Speckmann, Bettina; Telea, Alexandru; Verbeek, Kevin (The Eurographics Association and John Wiley & Sons Ltd., 2020)
      Rectangular treemaps are often the method of choice to visualize large hierarchical datasets. Nowadays such datasets are available over time, hence there is a need for (a) treemaps that can handle time-dependent data, and ...