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Now showing items 194-213 of 249

    • Scalable Detection of Spatiotemporal Encounters in Historical Movement Data 

      Bak, Peter; Marder, Mattias; Harary, Sivan; Yaeli, Avi; Ship, Harold J. (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      The widespread adoption of location-aware devices is resulting in the generation of large amounts of spatiotemporal movement data, collected and stored in digital repositories. This forms a fertile ground for domain experts ...
    • Scalable Programmable Motion Effects on GPUs 

      Huang, Xuezhen; Hou, Qiming; Ren, Zhong; Zhou, Kun (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We present an efficient and scalable system that enables programmable motion effects on GPUs. Our system is based on the framework proposed by Schmid et al. [SSBG10] that extends the concept of a surface shader to that of ...
    • Scale Normalization for Isometric Shape Matching 

      Sahillioglu, Yusuf; Yemez, Yucel (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We address the scale problem inherent to isometric shape correspondence in a combinatorial matching framework. We consider a particular setting of the general correspondence problem where one of the two shapes to be matched ...
    • SD Models: Super-Deformed Character Models 

      Shen, Liang-Tsen; Luo, Sheng-Jie; Huang, Chun-Kai; Chen, Bing-Yu (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Super-deformed, SD, is a specific artistic style for Japanese manga and anime which exaggerates characters in the goal of appearing cute and funny. The SD style characters are widely used, and can be seen in many anime, ...
    • Selecting Coherent and Relevant Plots in Large Scatterplot Matrices 

      Lehmann, Dirk J.; Albuquerque, Georgia; Eisemann, Martin; Magnor, Marcus; Theisel, Holger (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      The scatterplot matrix (SPLOM) is a well‐established technique to visually explore high‐dimensional data sets. It is characterized by the number of scatterplots (plots) of which it consists of. Unfortunately, this number ...
    • Selective Inspection and Interactive Visualization of Light Transport in Virtual Scenes 

      Reiner, Tim; Kaplanyan, Anton; Reinhard, Marcel; Dachsbacher, Carsten (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      This paper presents novel interactive visualization techniques for inspecting the global light transport in virtual scenes. First, we propose a simple extension to photon mapping to gather required lighting information. ...
    • Semantic Wordification of Document Collections 

      Paulovich, Fernando V.; Toledo, Franklina M. B.; Telles, Guilherme P.; Minghim, Rosane; Nonato, Luis Gustavo (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Word clouds have become one of the most widely accepted visual resources for document analysis and visualization, motivating the development of several methods for building layouts of keywords extracted from textual data. ...
    • Semi-Supervised Dimensionality Reduction based on Partial Least Squares for Visual Analysis of High Dimensional Data 

      Paiva, Jose Gustavo S.; Schwartz, William Robson; Pedrini, Helio; Minghim, Rosane (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Dimensionality reduction is employed for visual data analysis as a way to obtaining reduced spaces for high dimensional data or to mapping data directly into 2D or 3D spaces. Although techniques have evolved to improve ...
    • Semi-supervised Mesh Segmentation and Labeling 

      Lv, Jiajun; Chen, Xinlei; Huang, Jin; Bao, Hujun (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Recently, approaches have been put forward that focus on the recognition of mesh semantic meanings. These methods usually need prior knowledge learned from training dataset, but when the size of the training dataset is ...
    • SHADOWPIX: Multiple Images from Self Shadowing 

      Bermano, Amit; Baran, Ilya; Alexa, Marc; Matusik, Wojciech (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      SHADOWPIX are white surfaces that display several prescribed images formed by the self-shadowing of the surface when lit from certain directions. The effect is surprising and not commonly seen in the real world. We present ...
    • Shape-Up: Shaping Discrete Geometry with Projections 

      Bouaziz, Sofien; Deuss, Mario; Schwartzburg, Yuliy; Weise, Thibaut; Pauly, Mark (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We introduce a unified optimization framework for geometry processing based on shape constraints. These constraints preserve or prescribe the shape of subsets of the points of a geometric data set, such as polygons, one-ring ...
    • Shiny Vase, Translucent Candle and Metallic Sculpture 

      Bousseau, Adrien; Chapoulie, Emmanuelle; Ramamoorthi, Ravi; Agrawala, Maneesh (The Eurographics Association and Blackwell Publishing Ltd., 2012)
    • A Significance Cache for Accelerating Global Illumination 

      Bashford-Rogers, Thomas; Debattista, Kurt; Chalmers, Alan (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Rendering using physically based methods requires substantial computational resources. Most methods that are physically based use straightforward techniques that may excessively compute certain types of light transport, ...
    • A Simple Algorithm for Maximal Poisson-Disk Sampling in High Dimensions 

      Ebeida, Mohamed S.; Mitchell, Scott A.; Patney, Anjul; Davidson, Andrew A.; Owens, John D. (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      We provide a simple algorithm and data structures for d-dimensional unbiased maximal Poisson-disk sampling. We use an order of magnitude less memory and time than the alternatives. Our results become more favorable as the ...
    • SimpleFlow: A Non-iterative, Sublinear Optical Flow Algorithm 

      Tao, Michael; Bai, Jiamin; Kohli, Pushmeet; Paris, Sylvain (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      Optical flow is a critical component of video editing applications, e.g. for tasks such as object tracking, segmentation, and selection. In this paper, we propose an optical flow algorithm called SimpleFlow whose running ...
    • Simulation Guided Hair Dynamics Modeling from Video 

      Zhang, Qing; Tong, Jing; Wang, Huamin; Pan, Zhigeng; Yang, Ruigang (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      In this paper we present a hybrid approach to reconstruct hair dynamics from multi-view video sequences, captured under uncontrolled lighting conditions. The key of this method is a refinement approach that combines ...
    • SMAA: Enhanced Subpixel Morphological Antialiasing 

      Jimenez, Jorge; Echevarria, Jose I.; Sousa, Tiago; Gutierrez, Diego (The Eurographics Association and John Wiley and Sons Ltd., 2012)
      We present a new image-based, post-processing antialiasing technique, which offers practical solutions to the common, open problems of existing filter-based real-time antialiasing algorithms. Some of the new features include ...
    • Smart Scribbles for Sketch Segmentation 

      Noris, G.; Sýkora, D.; Shamir, A.; Coros, S.; Whited, B.; Simmons, M.; Hornung, A.; Gross, M.; Sumner, R. (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      We present ‘Smart Scribbles’—a new scribble‐based interface for user‐guided segmentation of digital sketchy drawings. In contrast to previous approaches based on simple selection strategies, Smart Scribbles exploits richer ...
    • Smooth Shape-Aware Functions with Controlled Extrema 

      Jacobson, Alec; Weinkauf, Tino; Sorkine, Olga (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      Functions that optimize Laplacian-based energies have become popular in geometry processing, e.g. for shape deformation, smoothing, multiscale kernel construction and interpolation. Minimizers of Dirichlet energies, or ...
    • Soft Maps Between Surfaces 

      Solomon, Justin; Nguyen, Andy; Butscher, Adrian; Ben-Chen, Mirela; Guibas, Leonidas (The Eurographics Association and Blackwell Publishing Ltd., 2012)
      The problem of mapping between two non-isometric surfaces admits ambiguities on both local and global scales. For instance, symmetries can make it possible for multiple maps to be equally acceptable, and stretching, slippage, ...