Now showing items 1-20 of 23

    • Exploring Online Learners' Interactive Dynamics by Visually Analyzing Their Time-anchored Comments 

      Sung, Ching-Ying; Huang, Xun-Yi; Shen, Yicong; Cherng, Fu-Yin; Lin, Wen-Chieh; Wang, Hao-Chuan (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      MOOCs (Massive Open Online Courses) are increasingly prevalent as an online educational resource open to everyone and have attracted hundreds of thousands learners enrolling these online courses. At such scale, there is ...
    • Photometric Stabilization for Fast-forward Videos 

      Zhang, Xuaner; Lee, Joon-Young; Sunkavalli, Kalyan; Wang, Zhaowen (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Videos captured by consumer cameras often exhibit temporal variations in color and tone that are caused by camera autoadjustments like white-balance and exposure. When such videos are sub-sampled to play fast-forward, as ...
    • Group Representation of Global Intrinsic Symmetries 

      Wang, Hui; Huang, Hui (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Global intrinsic symmetry detection of 3D shapes has received considerable attentions in recent years. However, unlike extrinsic symmetry that can be represented compactly as a combination of an orthogonal matrix and a ...
    • Modeling, Evaluation and Optimization of Interlocking Shell Pieces 

      Yao, Miaojun; Chen, Zhili; Xu, Weiwei; Wang, Huamin (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      While the 3D printing technology has become increasingly popular in recent years, it suffers from two critical limitations: expensive printing material and long printing time. An effective solution is to hollow the 3D model ...
    • Patch2Vec: Globally Consistent Image Patch Representation 

      Fried, Ohad; Avidan, Shai; Cohen-Or, Daniel (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Many image editing applications rely on the analysis of image patches. In this paper, we present a method to analyze patches by embedding them to a vector space, in which the Euclidean distance reflects patch similarity. ...
    • Rib-reinforced Shell Structure 

      Li, Wei; Zheng, Anzong; You, Lihua; Yang, Xiaosong; Zhang, Jianjun; Liu, Ligang (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Shell structures are extensively used in engineering due to their efficient load-carrying capacity relative to material volume. However, large-span shells require additional supporting structures to strengthen fragile ...
    • High-resolution 360 Video Foveated Stitching for Real-time VR 

      Lee, Wei-Tse; Chen, Hsin-I; Chen, Ming-Shiuan; Shen, I-Chao; Chen, Bing-Yu (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      In virtual reality (VR) applications, the contents are usually generated by creating a 360 video panorama of a real-world scene. Although many capture devices are being released, getting high-resolution panoramas and ...
    • Data-Driven Sparse Priors of 3D Shapes 

      Remil, Oussama; Xie, Qian; Xie, Xingyu; Xu, Kai; Wang, Jun (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      We present a sparse optimization framework for extracting sparse shape priors from a collection of 3D models. Shape priors are defined as point-set neighborhoods sampled from shape surfaces which convey important information ...
    • Modeling Cumulus Cloud Scenes from High-resolution Satellite Images 

      Zhang, Zili; Liang, Xiaohui; Yuan, Chunqiang; Li, Frederick W. B. (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      We present a reconstruction framework, which fits physically-based constraints to model large-scale cloud scenes from satellite images. Applications include weather phenomena visualization, flight simulation, and weather ...
    • A Data-Driven Approach for Sketch-Based 3D Shape Retrieval via Similar Drawing-Style Recommendation 

      Wang, Fei; Lin, Shujin; Luo, Xiaonan; Wu, Hefeng; Wang, Ruomei; Zhou, Fan (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Sketching is a simple and natural way of expression and communication for humans. For this reason, it gains increasing popularity in human computer interaction, with the emergence of multitouch tablets and styluses. In ...
    • Printable 3D Trees 

      Bo, Zhitao; Lu, Lin; Sharf, Andrei; Xia, Yang; Deussen, Oliver; Chen, Baoquan (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      With the growing popularity of 3D printing, different shape classes such as fibers and hair have been shown, driving research toward class-specific solutions. Among them, 3D trees are an important class, consisting of ...
    • Regression-Based Landmark Detection on Dynamic Human Models 

      Jang, Deok-Kyeong; Lee, Sung-Hee (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Detecting anatomical landmarks on various human models with dynamic poses remains an important and challenging problem in computer graphics research. We present a novel framework that consists of two-level regressors for ...
    • 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 ...
    • A Probabilistic Framework for Component-based Vector Graphics 

      Lieng, Henrik (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      We propose a framework for data-driven manipulation and synthesis of component-based vector graphics. Using labelled vector graphical images of a given type of object as input, our processing pipeline produces training ...
    • Albero: A Visual Analytics Approach for Probabilistic Weather Forecasting 

      Diehl, Alexandra; Pelorosso, Leandro; Delrieux, Claudio; Matkovic, Kresimir; Ruiz, Juan; Gröller, M. Eduard; Bruckner, Stefan (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Probabilistic weather forecasts are amongst the most popular ways to quantify numerical forecast uncertainties. The analog regression method can quantify uncertainties and express them as probabilities. The method comprises ...
    • Efficient Gradient-Domain Compositing Using an Approximate Curl-free Wavelet Projection 

      Ren, Xiaohua; Luan, Lyu; He, Xiaowei; Zhang, Yanci; Wu, Enhua (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Gradient-domain compositing has been widely used to create a seamless composite with gradient close to a composite gradient field generated from one or more registered images. The key to this problem is to solve a Poisson ...
    • Saliency-aware Real-time Volumetric Fusion for Object Reconstruction 

      Yang, Sheng; Chen, Kang; Liu, Minghua; Fu, Hongbo; Hu, Shi-Min (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      We present a real-time approach for acquiring 3D objects with high fidelity using hand-held consumer-level RGB-D scanning devices. Existing real-time reconstruction methods typically do not take the point of interest into ...
    • Semi-Automatic Conversion of 3D Shape into Flat-Foldable Polygonal Model 

      Miyamoto, Emi; Endo, Yuki; Kanamori, Yoshihiro; Mitani, Jun (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      This paper presents a method that can convert a given 3D mesh into a flat-foldable model consisting of rigid panels. A previous work proposed a method to assist manual design of a single component of such flat-foldable ...
    • Group-Theme Recoloring for Multi-Image Color Consistency 

      Nguyen, Rang M. H.; Price, Brian; Cohen, Scott; Brown, Michael S. (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      Modifying the colors of an image is a fundamental editing task with a wide range of methods available. Manipulating multiple images to share similar colors is more challenging, with limited tools available. Methods such ...
    • L0 Gradient-Preserving Color Transfer 

      Wang, Dong; Zou, Changqing; Li, Guiqing; Gao, Chengying; Su, Zhuo; Tan, Ping (The Eurographics Association and John Wiley & Sons Ltd., 2016)
      This paper presents a new two-step color transfer method which includes color mapping and detail preservation. To map source colors to target colors, which are from an image or palette, the proposed similarity-preserving ...