Now showing items 225-244 of 248

    • Unbiased Light Transport Estimators for Inhomogeneous Participating Media 

      Szirmay-Kalos, László; Georgiev, Iliyan; Magdics, Milán; Molnár, Balázs; Légrády, Dávid (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      This paper presents a new stochastic particle model for efficient and unbiased Monte Carlo rendering of heterogeneous participating media. We randomly add and remove material particles to obtain a density with which free ...
    • Uncertainty Footprint: Visualization of Nonuniform Behavior of Iterative Algorithms Applied to 4D Cell Tracking 

      Wan, Yong; Hansen, Charles (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Research on microscopy data from developing biological samples usually requires tracking individual cells over time. When cells are three-dimensionally and densely packed in a time-dependent scan of volumes, tracking results ...
    • Understanding Indirect Causal Relationships in Node-Link Graphs 

      Bae, Juhee; Helldin, Tove; Riveiro, Maria (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      To find correlations and cause and effect relationships in multivariate data sets is central in many data analysis problems. A common way of representing causal relations among variables is to use node-link diagrams, where ...
    • A Unified Cloth Untangling Framework Through Discrete Collision Detection 

      Ye, Juntao; Ma, Guanghui; Jiang, Liguo; Chen, Lan; Li, Jituo; Xiong, Gang; Zhang, Xiaopeng; Tang, Min (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      We present an efficient and stable framework, called Unified Intersection Resolver (UIR), for cloth simulation systems where not only impending collisions but also pre-existing penetrations often arise. These two types of ...
    • Variance and Convergence Analysis of Monte Carlo Line and Segment Sampling 

      Singh, Gurprit; Miller, Bailey; Jarosz, Wojciech (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Recently researchers have started employing Monte Carlo-like line sample estimators in rendering, demonstrating dramatic reductions in variance (visible noise) for effects such as soft shadows, defocus blur, and participating ...
    • Video Shadow Removal Using Spatio-temporal Illumination Transfer 

      Zhang, Ling; Zhu, Yao; Liao, Bin; Xiao, Chunxia (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Shadow removal for videos is an important and challenging vision task. In this paper, we present a novel shadow removal approach for videos captured by free moving cameras using illumination transfer optimization. We first ...
    • Virtual Inflation of the Cerebral Artery Wall for the Integrated Exploration of OCT and Histology Data 

      Glaßer, S.; Hoffmann, T.; Boese, A.; Voß, S.; Kalinski, T.; Skalej, M.; Preim, B. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Intravascular imaging provides new insights into the condition of vessel walls. This is crucial for cerebrovascular diseases including stroke and cerebral aneurysms, where it may present an important factor for indication ...
    • Visual Analysis of Confocal Raman Spectroscopy Data using Cascaded Transfer Function Design 

      Schikora, Christoph Markus; Plack, Markus; Bornemann, Rainer; Bolívar, Peter Haring; Kolb, Andreas (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      2D Confocal Raman Microscopy (CRM) data consist of high dimensional per-pixel spectral data of 1000 bands and allows for complex spectral and spatial-spectral analysis tasks, i.e., in material discrimination, material ...
    • Visual Comparison of Eye Movement Patterns 

      Blascheck, Tanja; Schweizer, Markus; Beck, Fabian; Ertl, Thomas (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      In eye tracking research, finding eye movement patterns and similar strategies between participants' eye movements is important to understand task solving strategies and obstacles. In this application paper, we present a ...
    • Visual Exploration of Global Trade Networks with Time-Dependent and Weighted Hierarchical Edge Bundles on GPU 

      Hofmann, Johannes; Größler, Michael; Rubio-Sánchez, Manuel; Pichler, Peter-Paul; Lehmann, Dirk J. (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      The UN Comtrade database is the world's largest repository of bilateral trade data. Their complexity poses a challenge to visualization systems, leading to issues such as scalability and visual clutter. Thus, we propose a ...
    • Visual Narrative Flow: Exploring Factors Shaping Data Visualization Story Reading Experiences 

      McKenna, Sean; Riche, Nathalie Henry; Lee, Bongshin; Boy, Jeremy; Meyer, Miriah (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Many factors can shape the flow of visual data-driven stories, and thereby the way readers experience those stories. Through the analysis of 80 existing stories found on popular websites, we systematically investigate and ...
    • Visual Quantification of the Circle of Willis: An Automated Identification and Standardized Representation 

      Miao, H.; Mistelbauer, G.; Našel, C.; Gröller, M. E. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      This paper presents a method for the visual quantification of cerebral arteries, known as the Circle of Willis (CoW). It is an arterial structure with the responsibility of supplying the brain with blood, however, dysfunctions ...
    • Visual Text Analysis in Digital Humanities 

      Jänicke, S.; Franzini, G.; Cheema, M. F.; Scheuermann, G. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      In 2005, Franco Moretti introduced Distant Reading to analyse entire literary text collections. This was a rather revolutionary idea compared to the traditional Close Reading, which focuses on the thorough interpretation ...
    • Visual Verification of Cancer Staging for Therapy Decision Support 

      Cypko, Mario A.; Wojdziak, Jan; Stoehr, Matthaeus; Kirchner, Bettina; Preim, Bernhard; Dietz, Andreas; Lemke, Heinz U.; Oeltze-Jafra, Steffen (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      It is generally accepted practice that each cancer patient case should be discussed in a clinical expert meeting, the so-called tumor board. A central role in finding the best therapy options for patients with solid tumors ...
    • Visualization and Quantification for Interactive Analysis of Neural Connectivity in Drosophila 

      Swoboda, N.; Moosburner, J.; Bruckner, S.; Yu, J. Y.; Dickson, B. J.; Bühler, K. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Neurobiologists investigate the brain of the common fruit fly to discover neural circuits and link them to complex behaviour. Formulating new hypotheses about connectivity requires potential connectivity information between ...
    • Visualization of Biomolecular Structures: State of the Art Revisited 

      Kozlíková, B.; Krone, M.; Falk, M.; Lindow, N.; Baaden, M.; Baum, D.; Viola, I.; Parulek, J.; Hege, H.‐C. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Structural properties of molecules are of primary concern in many fields. This report provides a comprehensive overview on techniques that have been developed in the fields of molecular graphics and visualization with a ...
    • Visualization of Delay Uncertainty and its Impact on Train Trip Planning: A Design Study 

      Wunderlich, Marcel; Ballweg, Kathrin; Fuchs, Georg; Landesberger, Tatiana von (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      Uncertainty about possible train delays has an impact on train trips, as the exact arrival time is unknown during trip planning. Delays can lead to missing a connecting train at the transfer station, or to coming too late ...
    • Visualization of Eye Tracking Data: A Taxonomy and Survey 

      Blascheck, T.; Kurzhals, K.; Raschke, M.; Burch, M.; Weiskopf, D.; Ertl, T. (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      This survey provides an introduction into eye tracking visualization with an overview of existing techniques. Eye tracking is important for evaluating user behaviour. Analysing eye tracking data is typically done quantitatively, ...
    • A Visualization‐Based Analysis System for Urban Search & Rescue Mission Planning Support 

      Bock, Alexander; Svensson, Åsa; Kleiner, Alexander; Lundberg, Jonas; Ropinski, Timo (© 2017 The Eurographics Association and John Wiley & Sons Ltd., 2017)
      We propose a visualization system for incident commanders (ICs) in urban search and rescue scenarios that supports path planning in post‐disaster structures. Utilizing point cloud data acquired from unmanned robots, we ...
    • Visualizing a Sequence of a Thousand Graphs (or Even More) 

      Burch, Michael; Hlawatsch, Marcel; Weiskopf, Daniel (The Eurographics Association and John Wiley & Sons Ltd., 2017)
      The visualization of dynamic graphs demands visually encoding at least three major data dimensions: vertices, edges, and time steps. Many of the state-of-the-art techniques can show an overview of vertices and edges but ...