Now showing items 1-20 of 25

    • Accurate Computation of Single Scattering in Participating Media with Refractive Boundaries 

      Holzschuch, N. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Volume caustics are high‐frequency effects appearing in participating media with low opacity, when refractive interfaces are focusing the light rays. Refractions make them hard to compute, since screen locality does not ...
    • AppFusion: Interactive Appearance Acquisition Using a Kinect Sensor 

      Wu, Hongzhi; Zhou, Kun (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      We present an interactive material acquisition system for average users to capture the spatially varying appearance of daily objects. While an object is being scanned, our system estimates its appearance on‐the‐fly and ...
    • Computing Minimum Area Homologies 

      Chambers, Erin Wolf; Vejdemo‐Johansson, Mikael (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Calculating and categorizing the similarity of curves is a fundamental problem which has generated much recent interest. However, to date there are no implementations of these algorithms for curves on surfaces with provable ...
    • Convolution Filtering of Continuous Signed Distance Fields for Polygonal Meshes 

      Sanchez, Mathieu; Fryazinov, Oleg; Fayolle, Pierre‐Alain; Pasko, Alexander (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Signed distance fields obtained from polygonal meshes are commonly used in various applications. However, they can have discontinuities causing creases to appear when applying operations such as blending or metamorphosis. ...
    • Emotion Analysis and Classification: Understanding the Performers' Emotions Using the LMA Entities 

      Aristidou, Andreas; Charalambous, Panayiotis; Chrysanthou, Yiorgos (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      The increasing availability of large motion databases, in addition to advancements in motion synthesis, has made motion indexing and classification essential for better motion composition. However, in order to achieve good ...
    • Erratum 

      Deussen, Oliver and Zhang, Hao (Richard) (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
    • Fast Rendering of Image Mosaics and ASCII Art 

      Markuš, Nenad; Fratarcangeli, Marco; Pandžić, Igor S.; Ahlberg, Jörgen (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      An image mosaic is an assembly of a large number of small images, usually called , taken from a specific dictionary/codebook. When viewed as a whole, the appearance of a single large image emerges, i.e. each tile approximates ...
    • Forecast Verification and Visualization based on Gaussian Mixture Model Co‐estimation 

      Wang, Y. H.; Fan, C. R.; Zhang, J.; Niu, T.; Zhang, S.; Jiang, J. R. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Precipitation forecast verification is essential to the quality of a forecast. The Gaussian mixture model (GMM) can be used to approximate the precipitation of several rain bands and provide a concise view of the data, ...
    • Interactive Procedural Modelling of Coherent Waterfall Scenes 

      Emilien, Arnaud; Poulin, Pierre; Cani, Marie‐Paule; Vimont, Ulysse (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Combining procedural generation and user control is a fundamental challenge for the interactive design of natural scenery. This is particularly true for modelling complex waterfall scenes where, in addition to taking charge ...
    • Issue Information 

      Deussen, Oliver and Zhang, Hao (Richard) (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
    • Non‐Local Image Inpainting Using Low‐Rank Matrix Completion 

      Li, Wei; Zhao, Lei; Lin, Zhijie; Xu, Duanqing; Lu, Dongming (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      .In this paper, we propose a highly accurate inpainting algorithm which reconstructs an image from a fraction of its pixels. Our algorithm is inspired by the recent progress of non‐local image processing techniques following ...
    • Optimization‐Based Gradient Mesh Colour Transfer 

      Xiao, Yi; Wan, Liang; Leung, Chi Sing; Lai, Yu‐Kun; Wong, Tien‐Tsin (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      In vector graphics, gradient meshes represent an image object by one or more regularly connected grids. Every grid point has attributes as the position, colour and gradients of these quantities specified. Editing the ...
    • Outdoor Human Motion Capture by Simultaneous Optimization of Pose and Camera Parameters 

      Elhayek, A.; Stoll, C.; Kim, K. I.; Theobalt, C. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      We present a method for capturing the skeletal motions of humans using a sparse set of potentially moving cameras in an uncontrolled environment. Our approach is able to track multiple people even in front of cluttered and ...
    • Position‐Based Skinning for Soft Articulated Characters 

      Abu Rumman, Nadine; Fratarcangeli, Marco (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      In this paper, we introduce a two‐layered approach addressing the problem of creating believable mesh‐based skin deformation. For each frame, the skin is first deformed with a classic linear blend skinning approach, which ...
    • A Review of Eye Gaze in Virtual Agents, Social Robotics and HCI: Behaviour Generation, User Interaction and Perception 

      Ruhland, K.; Peters, C. E.; Andrist, S.; Badler, J. B.; Badler, N. I.; Gleicher, M.; Mutlu, B.; McDonnell, R. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      A person's emotions and state of mind are apparent in their face and eyes. As a Latin proverb states: ‘The face is the portrait of the mind; the eyes, its informers’. This presents a significant challenge for Computer ...
    • Saliency‐Preserving Slicing Optimization for Effective 3D Printing 

      Wang, Weiming; Chao, Haiyuan; Tong, Jing; Yang, Zhouwang; Tong, Xin; Li, Hang; Liu, Xiuping; Liu, Ligang (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      We present an adaptive slicing scheme for reducing the manufacturing time for 3D printing systems. Based on a new saliency‐based metric, our method optimizes the thicknesses of slicing layers to save printing time and ...
    • Separable Subsurface Scattering 

      Jimenez, Jorge; Zsolnai, Károly; Jarabo, Adrian; Freude, Christian; Auzinger, Thomas; Wu, Xian‐Chun; der Pahlen, Javier; Wimmer, Michael; Gutierrez, Diego (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      In this paper, we propose two real‐time models for simulating subsurface scattering for a large variety of translucent materials, which need under 0.5 ms per frame to execute. This makes them a practical option for real‐time ...
    • Shading Curves: Vector-Based Drawing With Explicit Gradient Control 

      Lieng, Henrik; Tasse, Flora; Kosinka, Jiří; Dodgson, Neil A. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      A challenge in vector graphics is to define primitives that offer flexible manipulation of colour gradients. We propose a new primitive, called a shading curve, that supports explicit and local gradient control. This is ...
    • Specular Lobe‐Aware Filtering and Upsampling for Interactive Indirect Illumination 

      Tokuyoshi, Y. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      Although geometry‐aware filtering and upsampling have often been used for interactive or real‐time rendering, they are unsuitable for glossy surfaces because shading results strongly depend on the bidirectional reflectance ...
    • Structure‐Aware Mesh Decimation 

      Salinas, D.; Lafarge, F.; Alliez, P. (Copyright © 2015 The Eurographics Association and John Wiley & Sons Ltd., 2015)
      We present a novel approach for the decimation of triangle surface meshes. Our algorithm takes as input a triangle surface mesh and a set of planar proxies detected in a pre‐processing analysis step, and structured via an ...