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IEEE Transactions on Visualization and Computer Graphics

Issue 1 • Date Jan. 2012

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Displaying Results 1 - 24 of 24
  • [Front cover]

    Publication Year: 2012, Page(s): c1
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  • [Cover 2]

    Publication Year: 2012, Page(s): c2
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  • Editor's Note

    Publication Year: 2012, Page(s):1 - 2
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  • Editor's Note

    Publication Year: 2012, Page(s): 2
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  • Guest Editor's Introduction: Special Section on the Eurographics Symposium on Parallel Graphics and Visualization (EGPGV)

    Publication Year: 2012, Page(s):3 - 4
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  • Raytracing Dynamic Scenes on the GPU Using Grids

    Publication Year: 2012, Page(s):5 - 16
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1419 KB) | HTML iconHTML Multimedia Media

    Raytracing dynamic scenes at interactive rates have received a lot of attention recently. We present a few strategies for high performance raytracing on a commodity GPU. The construction of grids needs sorting, which is fast on today's GPUs. The grid is thus the acceleration structure of choice for dynamic scenes as per-frame rebuilding is required. We advocate the use of appropriate data structur... View full abstract»

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  • Hybrid Parallelism for Volume Rendering on Large-, Multi-, and Many-Core Systems

    Publication Year: 2012, Page(s):17 - 29
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1023 KB) | HTML iconHTML

    With the computing industry trending toward multi- and many-core processors, we study how a standard visualization algorithm, raycasting volume rendering, can benefit from a hybrid parallelism approach. Hybrid parallelism provides the best of both worlds: using distributed-memory parallelism across a large numbers of nodes increases available FLOPs and memory, while exploiting shared-memory parall... View full abstract»

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  • Drawing-Based Procedural Modeling of Chinese Architectures

    Publication Year: 2012, Page(s):30 - 42
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3813 KB) | HTML iconHTML

    This paper presents a novel modeling framework to build 3D models of Chinese architectures from elevation drawing. Our algorithm integrates the capability of automatic drawing recognition with powerful procedural modeling to extract production rules from elevation drawing. First, different from the previous symbol-based floor plan recognition, based on the novel concept of repetitive pattern trees... View full abstract»

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  • Shape Measures for Triangles

    Publication Year: 2012, Page(s):43 - 46
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (330 KB) | HTML iconHTML

    We compare a variety of triangle shape measures using concepts such as smoothness and convexity. We show that one of these measures, the elongation measure, lends itself to an intuitive geometric interpretation. View full abstract»

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  • Fast Construction of SAH BVHs on the Intel Many Integrated Core (MIC) Architecture

    Publication Year: 2012, Page(s):47 - 57
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB) | HTML iconHTML

    We investigate how to efficiently build bounding volume hierarchies (BVHs) with surface area heuristic (SAH) on the Intel Many Integrated Core (MIC) Architecture. To achieve maximum performance, we use four key concepts: progressive 10-bit quantization to reduce cache footprint with negligible loss in BVH quality; an AoSoA data layout that allows efficient streaming and SIMD processing; high-perfo... View full abstract»

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  • Video Painting Based on a Stabilized Time-Varying Flow Field

    Publication Year: 2012, Page(s):58 - 67
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3581 KB) | HTML iconHTML Multimedia Media

    We present a method for constructing 3D feature flow from video and its application to video stylization. Our method extracts smoothly aligned 3D vectors that describe the smallest variation of colors within a spatiotemporal video cube, and thus effectively preserves both spatial and temporal coherence in a relatively inexpensive manner. As an application of this flow field we present a particle-b... View full abstract»

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  • A Framework for 3D Model-Based Visual Tracking Using a GPU-Accelerated Particle Filter

    Publication Year: 2012, Page(s):68 - 80
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2876 KB) | HTML iconHTML Multimedia Media

    A novel framework for acceleration of particle filtering approaches to 3D model-based, markerless visual tracking in monocular video is described. Specifically, we present a methodology for partitioning and mapping the computationally expensive weight-update stage of a particle filter to a graphics processing unit (GPU) to achieve particle- and pixel-level parallelism. Nvidia CUDA and Direct3D are... View full abstract»

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  • Graph Drawing Aesthetics—Created by Users, Not Algorithms

    Publication Year: 2012, Page(s):81 - 92
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1725 KB) | HTML iconHTML

    Prior empirical work on layout aesthetics for graph drawing algorithms has concentrated on the interpretation of existing graph drawings. We report on experiments which focus on the creation and layout of graph drawings: participants were asked to draw graphs based on adjacency lists, and to lay them out "nicely.” Two interaction methods were used for creating the drawings: a sketch interfa... View full abstract»

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  • EventRiver: Visually Exploring Text Collections with Temporal References

    Publication Year: 2012, Page(s):93 - 105
    Cited by:  Papers (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1957 KB) | HTML iconHTML

    Many text collections with temporal references, such as news corpora and weblogs, are generated to report and discuss real life events. Thus, event-related tasks, such as detecting real life events that drive the generation of the text documents, tracking event evolutions, and investigating reports and commentaries about events of interest, are important when exploring such text collections. To in... View full abstract»

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  • Visual Reasoning about Social Networks Using Centrality Sensitivity

    Publication Year: 2012, Page(s):106 - 120
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1675 KB) | HTML iconHTML

    In this paper, we study the sensitivity of centrality metrics as a key metric of social networks to support visual reasoning. As centrality represents the prestige or importance of a node in a network, its sensitivity represents the importance of the relationship between this and all other nodes in the network. We have derived an analytical solution that extracts the sensitivity as the derivative ... View full abstract»

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  • Modified Dendrogram of Attribute Space for Multidimensional Transfer Function Design

    Publication Year: 2012, Page(s):121 - 131
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1932 KB) | HTML iconHTML

    We introduce a modified dendrogram (MD) (with subtrees to represent clusters) and display it in 2D for multidimensional transfer function design. Such a transfer function for direct volume rendering employs a multidimensional space, termed attribute space. The MD reveals the hierarchical structure information of the attribute space. The user can design a transfer function in an intuitive and infor... View full abstract»

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  • Automated Illustration of Molecular Flexibility

    Publication Year: 2012, Page(s):132 - 145
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1081 KB) | HTML iconHTML

    In this paper, we present an approach to creating illustrations of molecular flexibility using normal mode analysis (NMA). The output of NMA is a collection of points corresponding to the locations of atoms and associated motion vectors, where a vector for each point is known. Our approach abstracts the complex object and its motion by grouping the points, models the motion of each group as an aff... View full abstract»

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  • Output-Sensitive Construction of Reeb Graphs

    Publication Year: 2012, Page(s):146 - 159
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1320 KB) | HTML iconHTML Multimedia Media

    The Reeb graph of a scalar function represents the evolution of the topology of its level sets. This paper describes a near-optimal output-sensitive algorithm for computing the Reeb graph of scalar functions defined over manifolds or non-manifolds in any dimension. Key to the simplicity and efficiency of the algorithm is an alternate definition of the Reeb graph that considers equivalence classes ... View full abstract»

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  • The Topological Effects of Smoothing

    Publication Year: 2012, Page(s):160 - 172
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2106 KB) | HTML iconHTML

    Scientific data sets generated by numerical simulations or experimental measurements often contain a substantial amount of noise. Smoothing the data removes noise but can have potentially drastic effects on the qualitative nature of the data, thereby influencing its characterization and visualization via topological analysis, for example. We propose a method to track topological changes throughout... View full abstract»

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  • 2011 Reviewers List

    Publication Year: 2012, Page(s):173 - 175
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  • 2011 Annual Index

    Publication Year: 2012, Page(s): not in print
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  • Call for Participation: IEEE Virtual Reality 2012

    Publication Year: 2012, Page(s): 176
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  • TVCG Information for authors

    Publication Year: 2012, Page(s): c3
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  • [Cover 4]

    Publication Year: 2012, Page(s): c4
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Aims & Scope

Visualization techniques and methodologies; visualization systems and software; volume visualization; flow visualization; multivariate visualization; modeling and surfaces; rendering; animation; user interfaces; visual progranuning; applications.

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Meet Our Editors

Editor-in-Chief
Leila De Floriani
Department of Computer Science, Bioengineering, Robotics and Systems Engineering
University of Genova
16146 Genova (Italy)
ldf4tvcg@umiacs.umd.edu