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Computer Graphics and Applications, IEEE

Issue 5 • Date Sept.-Oct. 2010

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Displaying Results 1 - 19 of 19
  • [Front cover]

    Publication Year: 2010 , Page(s): c1
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  • Raise your standards [advertisement]

    Publication Year: 2010 , Page(s): c2
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  • [Masthead]

    Publication Year: 2010 , Page(s): 1
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  • Table of contents

    Publication Year: 2010 , Page(s): 2 - 3
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  • A Vehicle through Which to Travel

    Publication Year: 2010 , Page(s): 4 - 5
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  • Editorial Board: Additions and Subtractions

    Publication Year: 2010 , Page(s): 6
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  • Beyond Bertin: Seeing the Forest despite the Trees

    Publication Year: 2010 , Page(s): 7 - 11
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (875 KB) |  | HTML iconHTML  

    Visualization is at a point in its development where its practitioners frequently find themselves grappling with big questions about its nature and purpose. These include fundamental questions about how visualization works-that is, how do people interpret visual forms as information? However, the answers to this question haven't evolved greatly since visualization's early days. The classical view is that visualization is a process of encoding numerical or categorical values as visual (or retinal) variables such as size, distance, or color, which the viewer then decodes to reconstruct the original information. This variable-encoding model is the simplified essence of Jacques Bertin's Semiology of Graphics and the years of visualization theory that have built upon it, including Jock Mackinlay's work on automated presentation design and Leland Wilkinson's The Grammar of Graphics. View full abstract»

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  • Understanding and Interpreting Multivalued Astronomical Data

    Publication Year: 2010 , Page(s): 12 - 17
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (4005 KB) |  | HTML iconHTML  

    This article discusses how data visualization can help us understand the kinematics of ionized gas in the nuclear regions of Seyfert galaxies, the most common active galactic nuclei (AGN). The goal is to compare spectroscopic analysis results with the expectations from various gas flow models to determine the dominant acceleration mechanism. We focus here on galaxy NGC 1068 because we need further study to solidify theories obtained from previous analysis of this galaxy. However, we can use our visualization system to analyze many different galaxies' nuclear regions. View full abstract»

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  • Guest Editors' Introduction: Multimedia Analytics

    Publication Year: 2010 , Page(s): 18 - 19
    Cited by:  Papers (1)
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  • Spatial Navigation for Context-Aware Video Surveillance

    Publication Year: 2010 , Page(s): 20 - 31
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (7758 KB) |  | HTML iconHTML  

    Interactive spatial navigation for video surveillance networks can be difficult. This is especially true for live tracking of complex events along many cameras, in which operators must make quick, accurate navigation decisions on the basis of the actual situation. The proposed spatial navigation interface facilitates such video surveillance tasks. View full abstract»

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  • Newdle: Interactive Visual Exploration of Large Online News Collections

    Publication Year: 2010 , Page(s): 32 - 41
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (11238 KB) |  | HTML iconHTML  

    Newdle is a visual-analytics system for exploring tagged online news collections. Newdle automatically constructs an article network and article-tag network for a collection and conducts clustering and path analyses on them. Using the analysis results, the system builds visualizations and supports user interaction with the networks. A topic overview lets users grasp a large collection's contents at a glance. It intuitively displays significant article clusters' semantics and temporal features in the collection. Users can also conduct in-depth analyses on topics, tags, and articles. A working prototype of Newdle uses New York Times RSS feeds as its example data input. Case studies with this prototype illustrate Newdle's effectiveness and efficiency. View full abstract»

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  • MediaTable: Interactive Categorization of Multimedia Collections

    Publication Year: 2010 , Page(s): 42 - 51
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (6028 KB) |  | HTML iconHTML  

    Many multimedia collections include only metadata such as date created and file size and remain largely unannotated. So, browsing them is cumbersome. Automatic content-analysis techniques yield metadata in the form of high-level content-based descriptors. However, these techniques' accuracy is insufficient to automate collection categorization. A human is essential to validate and organize automated techniques' results. MediaTable helps users efficiently categorize an image or video collection. A tabular interface gives an overview of multimedia items and associated metadata, and a bucket list lets users quickly categorize materials. MediaTable uses familiar interface techniques for sorting, filtering, selection, and visualization. Evaluations with expert and nonexpert users indicate that MediaTable supports efficient categorization and provides valuable insight into the collection. View full abstract»

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  • Multimedia Analysis + Visual Analytics = Multimedia Analytics

    Publication Year: 2010 , Page(s): 52 - 60
    Cited by:  Papers (2)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (4281 KB) |  | HTML iconHTML  

    To deal with the extent and variety of digital media, researchers are combining multimedia analysis and visual analytics to form the new field of multimedia analytics. This article gives some historical background, discusses surveys of related research, describes initial multimedia analytics research, and reports on benchmark datasets. View full abstract»

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  • AniViz: A Template-Based Animation Tool for Volume Visualization

    Publication Year: 2010 , Page(s): 61 - 71
    Cited by:  Papers (3)
    Multimedia
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (7842 KB) |  | HTML iconHTML  

    Interactive visualization is the key to insightful exploration. Animation can effectively convey a complex process or structure. Deriving a sequence of desired keyframes is a painstaking process entailing much trial and error. To help alleviate this problem, we developed AniViz-a tool for making visualization animations of time-varying, multivariate volume data. AniViz is an animation tool following two principles. First, it's desirable to directly turn the results of data exploration and visualization into animation content. Second, users can create a complex animation sequence by combining several simple effects. Such effects, and operators to combine them, are fine-tuned via an intuitive user interface. View full abstract»

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  • iFeel_IM!: Augmenting Emotions during Online Communication

    Publication Year: 2010 , Page(s): 72 - 80
    Cited by:  Papers (3)
    Multimedia
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (6633 KB) |  | HTML iconHTML  

    The iFeel_IM! system employs six haptic devices and visual stimulation to augment the emotions experienced during online conversations. The Web extra is a video that shows the authors' system, iFeel_IM!, which employs haptic devices and visual stimulation to convey and augment the emotions experienced during online conversations. View full abstract»

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  • Experimental Platforms for Computational Photography

    Publication Year: 2010 , Page(s): 81 - 87
    Cited by:  Papers (1)
    Multimedia
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1413 KB) |  | HTML iconHTML  

    In this article, take a look at the lack of experimental platforms for computational photography (that is, cameras that are programmable), and talk about one possible solution-the Frankencamera architecture designed in the laboratory at Stanford as part of our Camera 2.0 project. View full abstract»

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  • Notes from Siggraph 2010

    Publication Year: 2010 , Page(s): 88
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  • Jobs Board [advertisement]

    Publication Year: 2010 , Page(s): c3
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  • Morgan Kaufmann Publishers, Inc. [advertisement]

    Publication Year: 2010 , Page(s): c4
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Aims & Scope

IEEE Computer Graphics and Applications bridges the theory and practice of computer graphics.

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Meet Our Editors

Editor-in-Chief
L. Miguel Encarnação
University of Iowa