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Visualization and Computer Graphics, IEEE Transactions on

Issue 4 • Date July-Aug. 2009

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Displaying Results 1 - 21 of 21
  • [Front cover]

    Publication Year: 2009 , Page(s): c1
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  • [Inside front cover]

    Publication Year: 2009 , Page(s): c2
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  • Guest Editor's Introduction: Special Section on Shape, Solid, and Physical Modeling

    Publication Year: 2009 , Page(s): 529
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  • Performing Efficient NURBS Modeling Operations on the GPU

    Publication Year: 2009 , Page(s): 530 - 543
    Cited by:  Papers (7)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2738 KB) |  | HTML iconHTML  

    We present algorithms for evaluating and performing modeling operations on NURBS surfaces using the programmable fragment processor on the Graphics Processing Unit (GPU). We extend our GPU-based NURBS evaluator that evaluates NURBS surfaces to compute exact normals for either standard or rational B-spline surfaces for use in rendering and geometric modeling. We build on these calculations in our n... View full abstract»

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  • ICCD: Interactive Continuous Collision Detection between Deformable Models Using Connectivity-Based Culling

    Publication Year: 2009 , Page(s): 544 - 557
    Cited by:  Papers (7)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1750 KB) |  | HTML iconHTML  

    We present an interactive algorithm for continuous collision detection between deformable models. We introduce multiple techniques to improve the culling efficiency and the overall performance of continuous collision detection. First, we present a novel formulation for continuous normal cones and use these normal cones to efficiently cull large regions of the mesh as part of self-collision tests. ... View full abstract»

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  • Surface Mapping Using Consistent Pants Decomposition

    Publication Year: 2009 , Page(s): 558 - 571
    Cited by:  Papers (11)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2377 KB) |  | HTML iconHTML  

    Surface mapping is fundamental to shape computing and various downstream applications. This paper develops a pants decomposition framework for computing maps between surfaces with arbitrary topologies. The framework first conducts pants decomposition on both surfaces to segment them into consistent sets of pants patches (a pants patch is intuitively defined as a genus-0 surface with three boundari... View full abstract»

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  • Bandwidth Selection and Reconstruction Quality in Point-Based Surfaces

    Publication Year: 2009 , Page(s): 572 - 582
    Cited by:  Papers (3)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1616 KB) |  | HTML iconHTML  

    We investigate the influence of bandwidth selection in the reconstruction quality of point-based surfaces. While the problem has received relatively little attention in the literature, we show that appropriate selection plays a significant role in the quality of reconstructed surfaces. We show how to compute optimal bandwidths for one class of moving least-squares surfaces by formulating the polyn... View full abstract»

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  • A Minimal Contouring Approach to the Computation of the Reeb Graph

    Publication Year: 2009 , Page(s): 583 - 595
    Cited by:  Papers (10)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4009 KB) |  | HTML iconHTML  

    Given a manifold surface M and a continuous scalar function f:Mrarr IR, the Reeb graph of (M, f) is a widely used high-level descriptor of M and its usefulness has been demonstrated for a variety of applications, which range from shape parameterization and abstraction to deformation and comparison. In this context, we propose a novel contouring algorithm for the construction of a discrete Reeb gra... View full abstract»

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  • An Efficient Solution to Systems of Multivariate Polynomial Using Expression Trees

    Publication Year: 2009 , Page(s): 596 - 604
    Cited by:  Papers (3)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1146 KB) |  | HTML iconHTML  

    In recent years, several quite successful attempts have been made to solve systems of polynomial constraints, using geometric design tools, exploiting the availability of subdivision-based solvers [7], [11], [12], [15]. This broad range of methods includes both binary domain subdivision as well as the projected polyhedron method of Sherbrooke and Patrikalakis [15]. A prime obstacle in using subdiv... View full abstract»

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  • A Compute Unified System Architecture for Graphics Clusters Incorporating Data Locality

    Publication Year: 2009 , Page(s): 605 - 617
    Cited by:  Papers (11)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1966 KB) |  | HTML iconHTML  

    We present a development environment for distributed GPU computing targeted for multi-GPU systems, as well as graphics clusters. Our system is based on CUDA and logically extends its parallel programming model for graphics processors to higher levels of parallelism, namely, the PCI bus and network interconnects. While the extended API mimics the full function set of current graphics hardware-inclu... View full abstract»

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  • Vectorizing Cartoon Animations

    Publication Year: 2009 , Page(s): 618 - 629
    Cited by:  Papers (12)  |  Patents (2)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (3533 KB) |  | HTML iconHTML  

    We present a system for vectorizing 2D raster format cartoon animations. The output animations are visually flicker free, smaller in file size, and easy to edit. We identify decorative lines separately from colored regions. We use an accurate and semantically meaningful image decomposition algorithm, supporting an arbitrary color model for each region. To ensure temporal coherence in the output, w... View full abstract»

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  • The Lattice-Boltzmann Method on Optimal Sampling Lattices

    Publication Year: 2009 , Page(s): 630 - 641
    Cited by:  Papers (5)
    Multimedia
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1171 KB) |  | HTML iconHTML  

    In this paper, we extend the single relaxation time lattice-Boltzmann method (LBM) to the 3D body-centered cubic (BCC) lattice. We show that the D3bQ15 lattice defined by a 15 neighborhood connectivity of the BCC lattice is not only capable of more accurately discretizing the velocity space of the continuous Boltzmann equation as compared to the D3Q15 Cartesian lattice, it also achieves a comparab... View full abstract»

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  • Bas-Relief Generation Using Adaptive Histogram Equalization

    Publication Year: 2009 , Page(s): 642 - 653
    Cited by:  Papers (15)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (2658 KB) |  | HTML iconHTML  

    An algorithm is presented to automatically generate bas-reliefs based on adaptive histogram equalization (AHE), starting from an input height field. A mesh model may alternatively be provided, in which case a height field is first created via orthogonal or perspective projection. The height field is regularly gridded and treated as an image, enabling a modified AHE method to be used to generate a ... View full abstract»

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  • Photorealistic Large-Scale Urban City Model Reconstruction

    Publication Year: 2009 , Page(s): 654 - 669
    Cited by:  Papers (4)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (5091 KB) |  | HTML iconHTML  

    The rapid and efficient creation of virtual environments has become a crucial part of virtual reality applications. In particular, civil and defense applications often require and employ detailed models of operations areas for training, simulations of different scenarios, planning for natural or man-made events, monitoring, surveillance, games, and films. A realistic representation of the large-sc... View full abstract»

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  • Hardware Accelerated Segmentation of Complex Volumetric Filament Networks

    Publication Year: 2009 , Page(s): 670 - 681
    Cited by:  Papers (5)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (4119 KB) |  | HTML iconHTML  

    We present a framework for segmenting and storing filament networks from scalar volume data. Filament networks are encountered more and more commonly in biomedical imaging due to advances in high-throughput microscopy. These data sets are characterized by a complex volumetric network of thin filaments embedded in a scalar volume field. High-throughput microscopy volumes are also difficult to manag... View full abstract»

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  • Using PVsolve to Analyze and Locate Positions of Parallel Vectors

    Publication Year: 2009 , Page(s): 682 - 695
    Cited by:  Papers (4)
    Multimedia
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1184 KB) |  | HTML iconHTML  

    A new method for finding the locus of parallel vectors is presented, called PVsolve. A parallel-vector operator has been proposed as a visualization primitive, as several features can be expressed as the locus of points where two vector fields are parallel. Several applications of the idea have been reported, so accurate and efficient location of such points is an important problem. Previously pub... View full abstract»

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  • An Evaluation of Space Time Cube Representation of Spatiotemporal Patterns

    Publication Year: 2009 , Page(s): 696 - 702
    Cited by:  Papers (8)
    Request Permissions | Click to expandAbstract | PDF file iconPDF (1705 KB) |  | HTML iconHTML  

    Space time cube representation is an information visualization technique where spatiotemporal data points are mapped into a cube. Information visualization researchers have previously argued that space time cube representation is beneficial in revealing complex spatiotemporal patterns in a data set to users. The argument is based on the fact that both time and spatial information are displayed sim... View full abstract»

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  • The IEEE Computer Society Career Center

    Publication Year: 2009 , Page(s): 703
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  • Build Your Career in Computing [advertisement]

    Publication Year: 2009 , Page(s): 704
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  • TVCG Information for authors

    Publication Year: 2009 , Page(s): c3
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  • [Back cover]

    Publication Year: 2009 , 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