• Re‐Weighting Firefly Samples for Improved Finite‐Sample Monte Carlo Estimates 

  Zirr, Tobias; Hanika, Johannes; Dachsbacher, Carsten (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Samples with high contribution but low probability density, often called fireflies, occur in all practical Monte Carlo estimators and are part of computing unbiased estimates. For finite‐sample estimates, however, they can ...

• Data Reduction Techniques for Simulation, Visualization and Data Analysis 

  Li, S.; Marsaglia, N.; Garth, C.; Woodring, J.; Clyne, J.; Childs, H. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Data reduction is increasingly being applied to scientific data for numerical simulations, scientific visualizations and data analyses. It is most often used to lower I/O and storage costs, and sometimes to lower in‐memory ...

• PencilArt: A Chromatic Penciling Style Generation Framework 

  Gao, Chengying; Tang, Mengyue; Liang, Xiangguo; Su, Zhuo; Zou, Changqing (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Non‐photorealistic rendering has been an active area of research for decades whereas few of them concentrate on rendering chromatic penciling style. In this paper, we present a framework named as PencilArt for the chromatic ...

• Data‐Driven Crowd Motion Control With Multi‐Touch Gestures 

  Shen, Yijun; Henry, Joseph; Wang, He; Ho, Edmond S. L.; Komura, Taku; Shum, Hubert P. H. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Controlling a crowd using multi‐touch devices appeals to the computer games and animation industries, as such devices provide a high‐dimensional control signal that can effectively define the crowd formation and movement. ...

• Issue Information 

  Chen, Min and Benes, Bedrich (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

• Reproducing Spectral Reflectances From Tristimulus Colours 

  Otsu, H.; Yamamoto, M.; Hachisuka, T. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Physically based rendering systems often support spectral rendering to simulate light transport in the real world. Material representations in such simulations need to be defined as spectral distributions. Since commonly ...

• On‐The‐Fly Tracking of Flame Surfaces for the Visual Analysis of Combustion Processes 

  Oster, T.; Abdelsamie, A.; Motejat, M.; Gerrits, T.; Rössl, C.; Thévenin, D.; Theisel, H. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  The visual analysis of combustion processes is one of the challenges of modern flow visualization. In turbulent combustion research, the behaviour of the flame surface contains important information about the interactions ...

• Field‐Aligned Isotropic Surface Remeshing 

  Du, Xingyi; Liu, Xiaohan; Yan, Dong‐Ming; Jiang, Caigui; Ye, Juntao; Zhang, Hui (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  We present a novel isotropic surface remeshing algorithm that automatically aligns the mesh edges with an underlying directional field. The alignment is achieved by minimizing an energy function that combines both centroidal ...

• State of the Art on Stylized Fabrication 

  Bickel, Bernd; Cignoni, Paolo; Malomo, Luigi; Pietroni, Nico (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Digital fabrication devices are powerful tools for creating tangible reproductions of 3D digital models. Most available printing technologies aim at producing an accurate copy of a tridimensional shape. However, fabrication ...

• A Study of the Effect of Doughnut Chart Parameters on Proportion Estimation Accuracy 

  Cai, X.; Efstathiou, K.; Xie, X.; Wu, Y.; Shi, Y.; Yu, L. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Pie and doughnut charts nicely convey the part–whole relationship and they have become the most recognizable chart types for representing proportions in business and data statistics. Many experiments have been carried out ...

• Direct Position‐Based Solver for Stiff Rods 

  Deul, Crispin; Kugelstadt, Tassilo; Weiler, Marcel; Bender, Jan (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  In this paper, we present a novel direct solver for the efficient simulation of stiff, inextensible elastic rods within the position‐based dynamics (PBD) framework. It is based on the XPBD algorithm, which extends PBD to ...

• Viewing Visual Analytics as Model Building 

  Andrienko, N.; Lammarsch, T.; Andrienko, G.; Fuchs, G.; Keim, D.; Miksch, S.; Rind, A. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  To complement the currently existing definitions and conceptual frameworks of visual analytics, which focus mainly on activities performed by analysts and types of techniques they use, we attempt to define the expected ...

• A Survey of Surface‐Based Illustrative Rendering for Visualization 

  Lawonn, Kai; Viola, Ivan; Preim, Bernhard; Isenberg, Tobias (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  In this paper, we survey illustrative rendering techniques for 3D surface models. We first discuss the field of illustrative visualization in general and provide a new definition for this sub‐area of visualization. For the ...

• Part‐Based Mesh Segmentation: A Survey 

  Rodrigues, Rui S. V.; Morgado, José F. M.; Gomes, Abel J. P. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  This paper surveys mesh segmentation techniques and algorithms, with a focus on part‐based segmentation, that is, segmentation that divides a mesh (featuring a 3D object) into meaningful parts. Part‐based segmentation ...

• Sketching in Gestalt Space: Interactive Shape Abstraction through Perceptual Reasoning 

  Kratt, J.; Niese, T.; Hu, R.; Huang, H.; Pirk, S.; Sharf, A.; Cohen‐Or, D.; Deussen, O. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  We present an interactive method that allows users to easily abstract complex 3D models with only a few strokes. The key idea is to employ well‐known Gestalt principles to help generalizing user inputs into a full model ...

• The State of the Art in Vortex Extraction 

  Günther, Tobias; Theisel, Holger (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Vortices are commonly understood as rotating motions in fluid flows. The analysis of vortices plays an important role in numerous scientific applications, such as in engineering, meteorology, oceanology, medicine and many ...

• 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. ...

• Temporally Consistent Motion Segmentation From RGB‐D Video 

  Bertholet, P.; Ichim, A.E.; Zwicker, M. (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  Temporally consistent motion segmentation from RGB‐D videos is challenging because of the limitations of current RGB‐D sensors. We formulate segmentation as a motion assignment problem, where a motion is a sequence of rigid ...

• An Implicit SPH Formulation for Incompressible Linearly Elastic Solids 

  Peer, Andreas; Gissler, Christoph; Band, Stefan; Teschner, Matthias (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  We propose a novel smoothed particle hydrodynamics (SPH) formulation for deformable solids. Key aspects of our method are implicit elastic forces and an adapted SPH formulation for the deformation gradient that—in contrast ...

• Laplace–Beltrami Operator on Point Clouds Based on Anisotropic Voronoi Diagram 

  Qin, Hongxing; Chen, Yi; Wang, Yunhai; Hong, Xiaoyang; Yin, Kangkang; Huang, Hui (© 2018 The Eurographics Association and John Wiley & Sons Ltd., 2018)

  The symmetrizable and converged Laplace–Beltrami operator () is an indispensable tool for spectral geometrical analysis of point clouds. The , introduced by Liu et al. [LPG12] is guaranteed to be symmetrizable, but its ...

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