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IEEE Transactions on Visualization and Computer Graphics

Issue 2 • March-April 2007

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Displaying Results 1 - 23 of 23
  • [Front cover]

    Publication Year: 2007, Page(s): c1
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  • [Inside front cover]

    Publication Year: 2007, Page(s): c2
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  • Volume Splitting and Its Applications

    Publication Year: 2007, Page(s):193 - 203
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2722 KB) | HTML iconHTML

    Splitting a volumetric object is a useful operation in volume graphics and its applications, but is not widely supported by existing systems for volume-based modeling and rendering. In this paper, we present an investigation into two main algorithmic approaches, namely, explicit and implicit splitting, for modeling and rendering splitting actions. We consider a generalized notion based on scalar f... View full abstract»

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  • Evaluation of a Low-Cost 3D Sound System for Immersive Virtual Reality Training Systems

    Publication Year: 2007, Page(s):204 - 212
    Cited by:  Papers (10)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1305 KB) | HTML iconHTML

    Since head mounted displays (HMD), datagloves, tracking systems, and powerful computer graphics resources are nowadays in an affordable price range, the usage of PC-based "virtual training systems" becomes very attractive. However, due to the limited field of view of HMD devices, additional modalities have to be provided to benefit from 3D environments. A 3D sound simulation can improve the capabi... View full abstract»

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  • A Survey on Hair Modeling: Styling, Simulation, and Rendering

    Publication Year: 2007, Page(s):213 - 234
    Cited by:  Papers (62)  |  Patents (13)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2849 KB) | HTML iconHTML

    Realistic hair modeling is a fundamental part of creating virtual humans in computer graphics. This paper surveys the state of the art in the major topics of hair modeling: hairstyling, hair simulation, and hair rendering. Because of the difficult, often unsolved problems that arise in alt these areas, a broad diversity of approaches is used, each with strengths that make it appropriate for partic... View full abstract»

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  • Image-Based Color Ink Diffusion Rendering

    Publication Year: 2007, Page(s):235 - 246
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2596 KB) | HTML iconHTML

    This paper proposes an image-based painterly rendering algorithm for automatically synthesizing an image with color ink diffusion. We suggest a mathematical model with a physical base to simulate the phenomenon of color colloidal ink diffusing into absorbent paper. Our algorithm contains three main parts: a feature extraction phase, a Kubelka-Munk (KM) color mixing phase, and a color ink diffusion... View full abstract»

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  • A Streaming-Based Solution for Remote Visualization of 3D Graphics on Mobile Devices

    Publication Year: 2007, Page(s):247 - 260
    Cited by:  Papers (68)  |  Patents (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2277 KB) | HTML iconHTML

    Mobile devices such as personal digital assistants, tablet PCs, and cellular phones have greatly enhanced user capability to connect to remote resources. Although a large set of applications is now available bridging the gap between desktop and mobile devices, visualization of complex 3D models is still a task hard to accomplish without specialized hardware. This paper proposes a system where a cl... View full abstract»

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  • Pose-Oblivious Shape Signature

    Publication Year: 2007, Page(s):261 - 271
    Cited by:  Papers (81)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6613 KB) | HTML iconHTML

    A 3D shape signature is a compact representation for some essence of a shape. Shape signatures are commonly utilized as a fast indexing mechanism for shape retrieval. Effective shape signatures capture some global geometric properties which are scale, translation, and rotation invariant. In this paper, we introduce an effective shape signature which is also pose-oblivious. This means that the sign... View full abstract»

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  • Caustics Mapping: An Image-Space Technique for Real-Time Caustics

    Publication Year: 2007, Page(s):272 - 280
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1367 KB) | HTML iconHTML

    In this paper, we present a simple and practical technique for real-time rendering of caustics from reflective and refractive objects. Our algorithm, conceptually similar to shadow mapping, consists of two main parts: creation of a caustic map texture, and utilization of the map to render caustics onto nonshiny surfaces. Our approach avoids performing any expensive geometric tests, such as ray-obj... View full abstract»

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  • Personality and Emotion-Based High-Level Control of Affective Story Characters

    Publication Year: 2007, Page(s):281 - 293
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1648 KB) | HTML iconHTML

    Human emotional behavior, personality, and body language are the essential elements in the recognition of a believable synthetic story character. This paper presents an approach using story scripts and action descriptions in a form similar to the content description of storyboards to predict specific personality and emotional states. By adopting the Abridged Big Five Circumplex (AB5C) Model of per... View full abstract»

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  • Graph Visualization Techniques for Web Clustering Engines

    Publication Year: 2007, Page(s):294 - 304
    Cited by:  Papers (35)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1474 KB) | HTML iconHTML

    One of the most challenging issues in mining information from the World Wide Web is the design of systems that present the data to the end user by clustering them into meaningful semantic categories. We show that the analysis of the results of a clustering engine can significantly take advantage of enhanced graph drawing and visualization techniques. We propose a graph-based user interface for Web... View full abstract»

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  • TopoLayout: Multilevel Graph Layout by Topological Features

    Publication Year: 2007, Page(s):305 - 317
    Cited by:  Papers (44)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2645 KB) | HTML iconHTML

    We describe TopoLayout, a feature-based, multilevel algorithm that draws undirected graphs based on the topological features they contain. Topological features are detected recursively inside the graph, and their subgraphs are collapsed into single nodes, forming a graph hierarchy. Each feature is drawn with an algorithm tuned for its topology. As would be expected from a feature-based approach, t... View full abstract»

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  • Interactive Collision Detection for Deformable Models Using Streaming AABBs

    Publication Year: 2007, Page(s):318 - 329
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1616 KB) | HTML iconHTML

    We present an interactive and accurate collision detection algorithm for deformable, polygonal objects based on the streaming computational model. Our algorithm can detect all possible pairwise primitive-level intersections between two severely deforming models at highly interactive rates. In our streaming computational model, we consider a set of axis aligned bounding boxes (AABBs) that bound eac... View full abstract»

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  • Topology-Controlled Volume Rendering

    Publication Year: 2007, Page(s):330 - 341
    Cited by:  Papers (37)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1401 KB) | HTML iconHTML

    Topology provides a foundation for the development of mathematically sound tools for processing and exploration of scalar fields. Existing topology-based methods can be used to identify interesting features in volumetric data sets, to find seed sets for accelerated isosurface extraction, or to treat individual connected components as distinct entities for isosurfacing or interval volume rendering.... View full abstract»

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  • Light Scattering from Filaments

    Publication Year: 2007, Page(s):342 - 356
    Cited by:  Papers (10)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1832 KB) | HTML iconHTML

    Photorealistic visualization of a huge number of individual filaments like in the case of hair, fur, or knitwear is a challenging task: Explicit rendering approaches for simulating radiance transfer at a filament get totally impracticable with respect to rendering performance and it is also not obvious how to derive efficient scattering functions for different levels of (geometric) abstraction or ... View full abstract»

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  • A Model and Framework for Visualization Exploration

    Publication Year: 2007, Page(s):357 - 369
    Cited by:  Papers (36)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2645 KB) | HTML iconHTML

    Visualization exploration is the process of extracting insight from data via interaction with visual depictions of that data. Visualization exploration is more than presentation; the interaction with both the data and its depiction is as important as the data and depiction itself. Significant visualization research has focused on the generation of visualizations (the depiction); less effort has fo... View full abstract»

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  • Fracturing Rigid Materials

    Publication Year: 2007, Page(s):370 - 378
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1604 KB) | HTML iconHTML

    We propose a novel approach to fracturing (and denting) brittle materials. To avoid the computational burden imposed by the stringent time step restrictions of explicit methods or with solving nonlinear systems of equations for implicit methods, we treat the material as a fully rigid body in the limit of infinite stiffness. In addition to a triangulated surface mesh and level set volume for collis... View full abstract»

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  • Aura 3D Textures

    Publication Year: 2007, Page(s):379 - 389
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2132 KB) | HTML iconHTML

    This paper presents a new technique, called aura 3D textures, for generating solid textures based on input examples. Our method is fully automatic and requires no user interactions in the process. Given an input texture sample, our method first creates its aura matrix representations and then generates a solid texture by sampling the aura matrices of the input sample constrained in multiple view d... View full abstract»

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  • Fast Animation of Lightning Using an Adaptive Mesh

    Publication Year: 2007, Page(s):390 - 402
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1522 KB) | HTML iconHTML

    We present a fast method for simulating, animating, and rendering lightning using adaptive grids. The "dielectric breakdown model" is an elegant algorithm for electrical pattern formation that we extend to enable animation of lightning. The simulation can be slow, particularly in 3D, because it involves solving a large Poisson problem. Losasso et al. recently proposed an octree data structure for ... View full abstract»

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  • A Framework for Holographic Scene Representation and Image Synthesis

    Publication Year: 2007, Page(s):403 - 415
    Cited by:  Papers (4)  |  Patents (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1661 KB) | HTML iconHTML

    We present a framework for the holographic representation and display of graphics objects. As opposed to traditional graphics representations, our approach reconstructs the light wave reflected or emitted by the original object directly from the underlying digital hologram. Our novel holographic graphics pipeline consists of several stages including the digital recording of a full-parallax hologra... View full abstract»

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  • 180,000 aritlces in the IEEE Computer Society Digital Library [advertisement]

    Publication Year: 2007, Page(s): 416
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  • TVCG Information for authors

    Publication Year: 2007, Page(s): c3
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  • [Back cover]

    Publication Year: 2007, 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.

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Leila De Floriani

University of Maryland
College Park, MD 20742

ldf4tvcg@umiacs.umd.edu