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Primary Classification:
I. Computing Methodologies
I.3 COMPUTER GRAPHICS
I.3.0 General

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Title IEEE Transactions on Visualization and Computer Graphics table of contents archive
PublisherIEEE Educational Activities Department Piscataway, NJ, USA
ISSN: 1077-2626

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IEEE Transactions on Visualization and Computer Graphics

Volume 14 Issue 6, November 2008

Table of Contents
PrePages
Pages: i-xxv
doi>10.1109/TVCG.2008.156
Available formats: Publisher SitePublisher Site

Prepages from Vis/InfoVis 2008
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A Framework of Interaction Costs in Information Visualization
Heidi Lam
Pages: 1149-1156
doi>10.1109/TVCG.2008.109
Available formats: Publisher SitePublisher Site

Interaction cost is an important but poorly understood factor in visualization design. We propose a framework of interaction costs inspired by Norman’s Seven Stages of Action to facilitate study. From 484 papers, we collected 61 interaction-related ...
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Balloon Focus: a Seamless Multi-Focus+Context Method for Treemaps
Ying Tu, Han-Wei Shen
Pages: 1157-1164
doi>10.1109/TVCG.2008.114
Available formats: Publisher SitePublisher Site

The treemap is one of the most popular methods for visualizing hierarchical data. When a treemap contains a large number of items, inspecting or comparing a few selected items in a greater level of detail becomes very challenging. In this paper, we present ...
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Multi-Focused Geospatial Analysis Using Probes
Thomas Butkiewicz, Wenwen Dou, Zachary Wartell, William Ribarsky, Remco Chang
Pages: 1165-1172
doi>10.1109/TVCG.2008.149
Available formats: Publisher SitePublisher Site

Traditional geospatial information visualizations often present views that restrict the user to a single perspective.When zoomed out, local trends and anomalies become suppressed and lost; when zoomed in for local inspection, spatial awareness and comparison ...
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Distributed Cognition as a Theoretical Framework for Information Visualization
Zhicheng Liu, Nancy Nersessian, John Stasko
Pages: 1173-1180
doi>10.1109/TVCG.2008.121
Available formats: Publisher SitePublisher Site

Even though information visualization (InfoVis) research has matured in recent years, it is generally acknowledged that the field still lacks supporting, encompassing theories. In this paper, we argue that the distributed cognition framework can be used ...
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EMDialog: Bringing Information Visualization into the Museum
Uta Hinrichs, Holly Schmidt, Sheelagh Carpendale
Pages: 1181-1188
doi>10.1109/TVCG.2008.127
Available formats: Publisher SitePublisher Site

Digital information displays are becoming more common in public spaces such as museums, galleries, and libraries. However, the public nature of these locations requires special considerations concerning the design of information visualization in terms ...
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Graphical Histories for Visualization: Supporting Analysis, Communication, and Evaluation
Jeffrey Heer, Jock Mackinlay, Chris Stolte, Maneesh Agrawala
Pages: 1189-1196
doi>10.1109/TVCG.2008.137
Available formats: Publisher SitePublisher Site

Interactive history tools, ranging from basic undo and redo to branching timelines of user actions, facilitate iterative forms of interaction. In this paper, we investigate the design of history mechanisms for information visualization. We present a ...
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Who Votes For What? A Visual Query Language for Opinion Data
Geoffrey Draper, Richard Riesenfeld
Pages: 1197-1204
doi>10.1109/TVCG.2008.187
Available formats: Publisher SitePublisher Site

Surveys and opinion polls are extremely popular in the media, especially in the months preceding a general election.However, the available tools for analyzing poll results often require specialized training. Hence, data analysis remains out of reach ...
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VisGets: Coordinated Visualizations for Web-based Information Exploration and Discovery
Marian Dörk, Sheelagh Carpendale, Christopher Collins, Carey Williamson
Pages: 1205-1212
doi>10.1109/TVCG.2008.175
Available formats: Publisher SitePublisher Site

In common Web-based search interfaces, it can be difficult to formulate queries that simultaneously combine temporal, spatial, and topical data filters. We investigate how coordinated visualizations can enhance search and exploration of information on ...
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Vispedia: Interactive Visual Exploration of Wikipedia Data via Search-Based Integration
Bryan Chan, Leslie Wu, Justin Talbot, Mike Cammarano, Pat Hanrahan
Pages: 1213-1220
doi>10.1109/TVCG.2008.178
Available formats: Publisher SitePublisher Site

Wikipedia is an example of the collaborative, semi-structured data sets emerging on the Web.These data sets have large, non-uniform schema that require costly data integration into structured tables before visualization can begin. We present Vispedia, ...
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The Word Tree, an Interactive Visual Concordance
Martin Wattenberg, Fernanda B. Viégas
Pages: 1221-1228
doi>10.1109/TVCG.2008.172
Available formats: Publisher SitePublisher Site

We introduce the Word Tree, a new visualization and information-retrieval technique aimed at text documents. A word tree is a graphical version of the traditional "keyword-in-context" method, and enables rapid querying and exploration of bodies of text. ...
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HiPP: A Novel Hierarchical Point Placement Strategy and its Application to the Exploration of Document Collections
Fernando V. Paulovich, Rosane Minghim
Pages: 1229-1236
doi>10.1109/TVCG.2008.138
Available formats: Publisher SitePublisher Site

Point placement strategies aim at mapping data pointsrepresented in higher dimensions to bi-dimensional spaces and arefrequently used to visualize relationships amongst data instances.They have been valuable tools for analysis and exploration of datasets ...
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Particle-based labeling: Fast point-feature labeling without obscuring other visual features
Martin Luboschik, Heidrun Schumann, Hilko Cords
Pages: 1237-1244
doi>10.1109/TVCG.2008.152
Available formats: Publisher SitePublisher Site

In many information visualization techniques, labels are an essential part to communicate the visualized data. To preserve the expressiveness of the visual representation, a placed label should neither occlude other labels nor visual representatives ...
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Stacked Graphs – Geometry & Aesthetics
Lee Byron, Martin Wattenberg
Pages: 1245-1252
doi>10.1109/TVCG.2008.166
Available formats: Publisher SitePublisher Site

In February 2008, the New York Times published an unusual chart of box office revenues for 7500 movies over 21 years. The chart was based on a similar visualization, developed by the first author, that displayed trends in music listening. This paper ...
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Cerebral: Visualizing Multiple Experimental Conditions on a Graph with Biological Context
Aaron Barsky, Tamara Munzner, Jennifer Gardy, Robert Kincaid
Pages: 1253-1260
doi>10.1109/TVCG.2008.117
Available formats: Publisher SitePublisher Site

Systems biologists use interaction graphs to model the behavior of biological systems at the molecular level. In an iterative process, such biologists obser ve the reactions of living cells under various experimental conditions, view the results in the ...
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The Shaping of Information by Visual Metaphors
Caroline Ziemkiewicz, Robert Kosara
Pages: 1269-1276
doi>10.1109/TVCG.2008.171
Available formats: Publisher SitePublisher Site

The nature of an information visualization can be considered to lie in the visual metaphors it uses to structure information. The process of understanding a visualization therefore involves an interaction between these external visual metaphors and the ...
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Viz-A-Vis: Toward Visualizing Video through Computer Vision
Mario Romero, Jay Summet, John Stasko, Gregory Abowd
Pages: 1261-1268
doi>10.1109/TVCG.2008.185
Available formats: Publisher SitePublisher Site

In the established procedural model of information visualization, the first operation is to transform raw data into data tables [1]. The transforms typically include abstractions that aggregate and segment relevant data and are usually defined by a human, ...
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Geometry-Based Edge Clustering for Graph Visualization
Weiwei Cui, Hong Zhou, Huamin Qu, Pak Chung Wong, Xiaoming Li
Pages: 1277-1284
doi>10.1109/TVCG.2008.135
Available formats: Publisher SitePublisher Site

Graphs have been widely used to model relationships among data. For large graphs, excessive edge crossings make the display visually cluttered and thus difficult to explore. In this paper, we propose a novel geometry-based edge-clustering framework ...
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On the Visualization of Social and other Scale-Free Networks
Yuntao Jia, Jared Hoberock, Michael Garland, John Hart
Pages: 1285-1292
doi>10.1109/TVCG.2008.151
Available formats: Publisher SitePublisher Site

This paper proposes novel methods for visualizing specifically the large power-law graphs that arise in sociology and the sciences. In such cases a large portion of edges can be shown to be less important and removed while preserving component connectedness ...
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Exploration of Networks using overview+detail with Constraint-based cooperative layout
Tim Dwyer, Kim Marriott, Falk Schreiber, Peter Stuckey, Michael Woodward, Michael Wybrow
Pages: 1293-1300
doi>10.1109/TVCG.2008.130
Available formats: Publisher SitePublisher Site

A standard approach to large network visualization is to provide an overview of the network and a detailed view of a small component of the graph centred around a focal node.The user explores the network by changing the focal node in the detailed view ...
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Rapid Graph Layout Using Space Filling Curves
Chris Muelder, Kwan-Liu Ma
Pages: 1301-1308
doi>10.1109/TVCG.2008.158
Available formats: Publisher SitePublisher Site

Network data frequently arises in a wide variety of fields, and node-link diagrams are a very natural and intuitive represen- tation of such data. In order for a node-link diagram to be effective, the nodes must be arranged well on the screen. While ...
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Evaluating the Use of Data Transformation for Information Visualization
Zhen Wen, Michelle Zhou
Pages: 1309-1316
doi>10.1109/TVCG.2008.129
Available formats: Publisher SitePublisher Site

Data transformation, the process of preparing raw data for effective visualization, is one of the key challenges in information visualization. Although researchers have developed many data transformation techniques, there is little empirical study of ...
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Improving the Readability of Clustered Social Networks using Node Duplication
Nathalie y Henr, Anastasia Bezerianos, Jean-Daniel Fekete
Pages: 1317-1324
doi>10.1109/TVCG.2008.141
Available formats: Publisher SitePublisher Site

Exploring communities is an impor tant task in social network analysis. Such communities are currently identified using clustering methods to group actors. This approach often leads to actors belonging to one and only one cluster, whereas in real life ...
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Effectiveness of Animation in Trend Visualization
George Robertson, Roland Fernandez, Danyel Fisher, Bongshin Lee, John Stasko
Pages: 1325-1332
doi>10.1109/TVCG.2008.125
Available formats: Publisher SitePublisher Site

Animation has been used to show trends in multi-dimensional data. This technique has recently gained new prominence for presentations, most notably with Gapminder Trendalyzer. In Trendalyzer, animation together with interesting data and an engaging presenter ...
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Perceptual Organization in User-Generated Graph Layouts
Frank van Ham, Bernice Rogowitz
Pages: 1333-1339
doi>10.1109/TVCG.2008.155
Available formats: Publisher SitePublisher Site

Many graph layout algorithms optimize visual characteristics to achieve useful representations. Implicitly, their goal is to create visual representations that are more intuitive to human observers. In this paper, we asked users to explicitly manipulate ...
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Interactive Visual Analysis of Set-Typed Data
Wolfgang Freiler, Kresimir Matkovic, Helwig Hauser
Pages: 1340-1347
doi>10.1109/TVCG.2008.144
Available formats: Publisher SitePublisher Site

While it is quite typical to deal with attributes of different data types in the visualization of heterogeneous and multivariate datasets, most existing techniques still focus on the most usual data types such as numerical attributes or strings. In this ...
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Spatially Ordered Treemaps
Jo Wood, Jason Dykes
Pages: 1348-1355
doi>10.1109/TVCG.2008.165
Available formats: Publisher SitePublisher Site

Existing treemap layout algorithms suffer to some extent from poor or inconsistent mappings between data order and visual ordering in their representation, reducing their cognitive plausibility. While attempts have been made to quantify this mismatch, ...
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Visualizing Incomplete and Partially Ranked Data
Paul Kidwell, Guy Lebanon, William Cleveland
Pages: 1356-1363
doi>10.1109/TVCG.2008.181
Available formats: Publisher SitePublisher Site

Ranking data, which result from m raters ranking n items, are difficult to visualize due to their discrete algebraic structure, and the computational difficulties associated with them when n is large. This problem becomes worse when raters provide tied ...
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Texture-based Transfer Functions for Direct Volume Rendering
Jesus J. Caban, Penny Rheingans
Pages: 1364-1371
doi>10.1109/TVCG.2008.169
Available formats: Publisher SitePublisher Site

Visualization of volumetric data faces the difficult task of finding effective parameters for the transfer functions. Those parameters can determine the effectiveness and accuracy of the visualization. Frequently, volumetric data includes multiple structures ...
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Volume MLS Ray Casting
Christian Ledergerber, Gaël Guennebaud, Miriah Meyer, Moritz Bächer, Hanspeter Pfister
Pages: 1372-1379
doi>10.1109/TVCG.2008.186
Available formats: Publisher SitePublisher Site

The method of Moving Least Squares (MLS) is a popular framework for reconstructing continuous functions from scattered data due to its rich mathematical properties and well-understood theoretical foundations. This paper applies MLS to volume rendering, ...
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Size-based Transfer Functions: A New Volume Exploration Technique
Carlos Correa, Kwan-Liu Ma
Pages: 1380-1387
doi>10.1109/TVCG.2008.162
Available formats: Publisher SitePublisher Site

The visualization of complex 3D images remains a challenge, a fact that is magnified by the difficulty to classify or segment volume data. In this paper, we introduce size-based transfer functions, which map the local scale of features to color and opacity. ...
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Direct Volume Editing
Kai Bürger, Jens Krüger, Rüdiger Westermann
Pages: 1388-1395
doi>10.1109/TVCG.2008.120
Available formats: Publisher SitePublisher Site

In this work we present basic methodology for interactive volume editing on GPUs, and we demonstrate the use of these methods to achieve a number of different effects. We present fast techniques to modify the appearance and structure of volumetric scalar ...
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Smoke Surfaces: An Interactive Flow Visualization Technique Inspired by Real-World Flow Experiments
Wolfram von Funck, Tino Weinkauf, Holger Theisel, Hans-Peter Seidel
Pages: 1396-1403
doi>10.1109/TVCG.2008.163
Available formats: Publisher SitePublisher Site

Smoke rendering is a standard technique for flow visualization. Most approaches are based on a volumetric, par ticle based, or image based representation of the smoke. This paper introduces an alternative representation of smoke structures: as semi-transparent ...
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Generation of Accurate Integral Surfaces in Time-Dependent Vector Fields
Christoph Garth, Han Krishnan, Xavier Tricoche, Tom Tricoche, Kenneth I. Joy
Pages: 1404-1411
doi>10.1109/TVCG.2008.133
Available formats: Publisher SitePublisher Site

We present a novel approach for the direct computation of integral surfaces in time-dependent vector fields. As opposed to previous work, which we analyze in detail, our approach is based on a separation of integral surface computation into two stages: ...
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Visualizing Particle/Flow Structure Interactions in the Small Bronchial Tubes
Bela Soni, David Thompson, Raghu Machiraju
Pages: 1412-1427
doi>10.1109/TVCG.2008.183
Available formats: Publisher SitePublisher Site

Particle deposition in the small bronchial tubes (generations six through twelve) is strongly influenced by the vortex-dominated secondary flows that are induced by axial curvature of the tubes. In this paper, we employ particle destination maps in conjunction ...
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Interactive Visualization and Analysis of Transitional Flow
Gregory P. Johnson, Victor M. Calo, Kelly P. Gaither
Pages: 1420-1427
doi>10.1109/TVCG.2008.146
Available formats: Publisher SitePublisher Site

A stand-alone visualization application has been developed by a multi-disciplinary, collaborative team with the sole purpose of creating an interactive exploration environment allowing turbulent flow researchers to experiment and validate hypotheses ...
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Continuous Scatterplots
Sven Bachthaler, Daniel Weiskopf
Pages: 1428-1435
doi>10.1109/TVCG.2008.119
Available formats: Publisher SitePublisher Site

Scatterplots are well established means of visualizing discrete data values with two data variables as a collection of discrete points. We aim at generalizing the concept of scatterplots to the visualization of spatially continuous input data by a continuous ...
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Extensions of Parallel Coordinates for Interactive Exploration of Large Multi-Timepoint Data Sets
Jorik Blaas, Charl Botha, Frits Post
Pages: 1436-1451
doi>10.1109/TVCG.2008.131
Available formats: Publisher SitePublisher Site

Parallel coordinate plots (PCPs) are commonly used in information visualization to provide insight into multi-variate data. These plots help to spot correlations between variables. PCPs have been successfullyapplied to unstructured datasets up to a few ...
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Vectorized Radviz and Its Application to Multiple Cluster Datasets
John Sharko, Georges Grinstein, Kenneth A. Marx
Pages: 1444-1427
doi>10.1109/TVCG.2008.173
Available formats: Publisher SitePublisher Site

Radviz is a radial visualization with dimensions assigned to points called dimensional anchors (DAs) placed on the circumference of a circle. Records are assigned locations within the circle as a function of its relative attraction to each of the DAs. ...
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Effective Visualization of Short Routes
Patrick Degener, Ruwen Schnabel, Christopher Schwartz, Reinhard Klein
Pages: 1452-1458
doi>10.1109/TVCG.2008.124
Available formats: Publisher SitePublisher Site

In this work we develop a new alternative to conventional maps for visualization of relatively short paths as they are frequently encountered in hotels, resorts or museums. Our approach is based on a warped rendering of a 3D model of the ...
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Brushing of Attribute Clouds for the Visualization of Multivariate Data
Heike Jänicke, Michael Böttinger, Gerik Scheuermann
Pages: 1459-1466
doi>10.1109/TVCG.2008.116
Available formats: Publisher SitePublisher Site

The visualization and exploration of multivariate data is still a challenging task. Methods either try to visualize all variables simultaneously at each position using glyph-based approaches or use linked views for the interaction between attribute ...
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Visualizing Temporal Patterns in Large Multivariate Data using Modified Globbing
Markus Glatter, Jian Huang, Sean Ahern, Jamison Daniel, Aidong Lu
Pages: 1467-1474
doi>10.1109/TVCG.2008.184
Available formats: Publisher SitePublisher Site

Extracting and visualizing temporal patterns in large scientific data is an open problem in visualization research. First, there are few proven methods to flexibly and concisely define general temporal patterns for visualization. Second, with large time-dependent ...
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Interactive Comparison of Scalar Fields Based on Largest Contours with Applications to Flow Visualization
Dominic Schneider, Alexander Wiebel, Hamish Carr, Mario Hlawitschka, Gerik Scheuermann
Pages: 1475-1482
doi>10.1109/TVCG.2008.143
Available formats: Publisher SitePublisher Site

Understanding fluid flow data, especially vortices, is still a challenging task. Sophisticated visualization tools help to gain insight. In this paper, we present a novel approach for the interactive comparison of scalar fields using isosurfaces, and ...
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Surface Extraction from Multi-field Particle Volume Data Using Multi-dimensional Cluster Visualization
Lars Linsen, Tran Van Long, Paul Rosenthal, Stephan Rosswog
Pages: 1483-1490
doi>10.1109/TVCG.2008.167
Available formats: Publisher SitePublisher Site

Data sets resulting from physical simulations typically contain a multitude of physical variables. It is, therefore, desirable that visualization methods take into account the entire multi-field volume data rather than concentrating on one variable. ...
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Sinus Endoscopy - Application of Advanced GPU Volume Rendering for Virtual Endoscopy
Arno Krueger, Christoph Kubisch, Bernhard Preim, Gero Strauss
Pages: 1491-1498
doi>10.1109/TVCG.2008.161
Available formats: Publisher SitePublisher Site

For difficult cases in endoscopic sinus surgery, a careful planning of the intervention is necessary. Due to the reduced field of view during the intervention, the surgeons have less information about the surrounding structures in the working area compared ...
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Glyph-Based SPECT Visualization for the Diagnosis of Coronary Artery Disease
Jennis Meyer-Spradow, Lars Stegger, Christian Döring, Timo Ropinski, Klaus Hinrichs
Pages: 1499-1506
doi>10.1109/TVCG.2008.136
Available formats: Publisher SitePublisher Site

Myocardial perfusion imaging with single photon emission computed tomography (SPECT) is an established method for the detection and evaluation of coronary artery disease (CAD). State-of-the-art SPECT scanners yield a large number of regional parameters ...
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Interactive Volume Exploration for Feature Detection and Quantification in Industrial CT Data
Markus Hadwiger, Fritz Laura, Christof Rezk-Salama, Thomas Höllt, Georg Geier, Thomas Pabel
Pages: 1507-1514
doi>10.1109/TVCG.2008.147
Available formats: Publisher SitePublisher Site

This paper presents a novel method for interactive exploration of industrial CT volumes such as cast metal parts, with the goal of interactively detecting, classifying, and quantifying features using a visualization-driven approach. The standard approach ...
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Interactive Blood Damage Analysis for Ventricular Assist Devices
Bernd Hentschel, Irene Tedjo, Markus Probst, Marc Wolter, Marek Behr, Christian Bischof, Torsten Kuhlen
Pages: 1515-1522
doi>10.1109/TVCG.2008.142
Available formats: Publisher SitePublisher Site

Ventricular Assist Devices (VADs) support the heart in its vital task of maintaining circulation in the human body when the heart alone is not able to maintain a sufficient flow rate due to illness or degenerative diseases. However, the engineering ...
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Box Spline Reconstruction On The Face-Centered Cubic Lattice
Minho Kim, Alireza Entezari, Jörg Peters
Pages: 1523-1530
doi>10.1109/TVCG.2008.115
Available formats: Publisher SitePublisher Site

We introduce and analyze an efficient reconstruction algorithm for FCC-sampled data. The reconstruction is based on the 6-direction box spline that is naturally associated with the FCC lattice and shares the continuity and approximation order of the ...
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Smooth Surface Extraction from Unstructured Point-based Volume Data Using PDEs
Paul Rosenthal, Lars Linsen
Pages: 1531-1546
doi>10.1109/TVCG.2008.164
Available formats: Publisher SitePublisher Site

Smooth surface extraction using PDEs is a well-known and widely used technique for visualizing volume data. Existing approaches operate on gridded data and mainly on regular structured grids. When considering unstructured point-based volume data where ...
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Particle-based Sampling and Meshing of Surfaces in Multimaterial Volumes
Miriah Meyer, Ross Whitaker, Robert M. Kirby, Christian Ledergerber, Hanspeter Pfister
Pages: 1539-1546
doi>10.1109/TVCG.2008.154
Available formats: Publisher SitePublisher Site

Methods that faithfully and robustly capture the geometry of complex material interfaces in labeled volume data are important for generating realistic and accurate visualizations and simulations of real-world objects. The generation of such multimaterial ...
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Importance-Driven Time-Varying Data Visualization
Chaoli Wang, Hongfeng Yu, Kwan-Liu Ma
Pages: 1547-1554
doi>10.1109/TVCG.2008.140
Available formats: Publisher SitePublisher Site

The ability to identify and present the most essential aspects of time-varying data is critically important in many areas of science and engineering. This paper introduces an importance-driven approach to time-varying volume data visualization for enhancing ...
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Visualizing Multiwavelength Astrophysical Data
Hongwei Li, Chi-Wing Fu, Andrew Hanson
Pages: 1555-1562
doi>10.1109/TVCG.2008.182
Available formats: Publisher SitePublisher Site

With recent advances in the measurement technology for allsky astrophysical imaging, our view of the sky is no longer limited to the tiny visible spectral range over the 2D Celestial sphere.We now can access a third dimension corresponding to a broad ...
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Visiting the Gödel Universe
Frank Grave, Michael Buser
Pages: 1563-1570
doi>10.1109/TVCG.2008.177
Available formats: Publisher SitePublisher Site

Visualization of general relativity illustrates aspects of Einstein's insights into the curved nature of space and time to the expert as well as the layperson. One of the most interesting models which came up with Einstein's theory was developed by Kurt ...
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The Seismic Analyzer: Interpreting and Illustrating 2D Seismic Data
Daniel Patel, Christopher Giertsen, John Thurmond, John Gjelberg, Eduard Grøller
Pages: 1571-1578
doi>10.1109/TVCG.2008.170
Available formats: Publisher SitePublisher Site

We present a toolbox for quickly interpreting and illustrating 2D slices of seismic volumetric reflection data. Searching for oil and gas involves creating a structural overview of seismic reflection data to identify hydrocarbon reservoirs. We improve ...
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Hypothesis Generation in Climate Research with Interactive Visual Data Exploration
Johannes Kehrer, Florian Ladstädter, Philipp Muigg, Helmut Doleisch, Andrea Steiner, Helwig Hauser
Pages: 1579-1586
doi>10.1109/TVCG.2008.139
Available formats: Publisher SitePublisher Site

One of the most prominent topics in climate research is the investigation, detection, and allocation of climate change. In this paper, we aim at identifying regions in the atmosphere (e.g., certain height layers) which can act as sensitive and robust ...
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Novel interaction techniques for neurosurgical planning and stereotactic navigation
Alark Joshi, Dustin Scheinost, Kenneth Vives, Dennis Spencer, Lawrence Staib, Xenophon Papademetris
Pages: 1587-1594
doi>10.1109/TVCG.2008.150
Available formats: Publisher SitePublisher Site

Neurosurgical planning and image guided neurosurgery require the visualization of multimodal data obtained from various functional and structural image modalities, such as Magnetic Resonance Imaging (MRI), Computed Tomography (CT), functional MRI, Single ...
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Visualization of Myocardial Perfusion Derived from Coronary Anatomy
Maurice Termeer, Javier Oliván Bescós, Marcel Breeuwer, Anna Vilanova, Frans Gerritsen, M. Eduard Gröller, Eike Nagel
Pages: 1595-1602
doi>10.1109/TVCG.2008.180
Available formats: Publisher SitePublisher Site

Visually assessing the effect of the coronary artery anatomy on the perfusion of the heart muscle in patients with coronary artery disease remains a challenging task. We explore the feasibility of visualizing this effect on perfusion using a numerical ...
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Effective visualization of complex vascular structures using a non-parametric vessel detection method
Alark Joshi, Xiaoning Qian, Donald Dione, Ketan Bulsara, Christopher Breuer, Albert Sinusas, Xenophon Papademetris
Pages: 1603-1610
doi>10.1109/TVCG.2008.123
Available formats: Publisher SitePublisher Site

The effective visualization of vascular structures is critical for diagnosis, surgical planning as well as treatment evaluation. In recent work, we have developed an algorithm for vessel detection that examines the intensity profile around each voxel ...
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Visualization of Cellular and Microvascular Relationships
David Mayerich, Louise Abbott, John Keyser
Pages: 1611-1618
doi>10.1109/TVCG.2008.179
Available formats: Publisher SitePublisher Site

Understanding the structure of microvasculature structures and their relationship to cells in biological tissue is an important and complex problem. Brain microvasculature in particular is known to play an important role in chronic diseases. However, ...
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A Practical Approach to Morse-Smale Complex Computation: Scalability and Generality
Attila Gyulassy, Peer-Timo Bremer, Bernd Hamann, Valerio Pascucci
Pages: 1619-1626
doi>10.1109/TVCG.2008.110
Available formats: Publisher SitePublisher Site

The Morse-Smale (MS) complex has proven to be a useful tool in extracting and visualizing features from scalar-valued data. However, efficient computation of the MS complex for large scale data remains a challenging problem. We describe a new algorithm ...
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Invariant Crease Lines for Topological and Structural Analysis of Tensor Fields
Xavier Tricoche, Gordon Kindlmann, Carl-Fredrik Westin
Pages: 1627-1634
doi>10.1109/TVCG.2008.148
Available formats: Publisher SitePublisher Site

We introduce a versatile framework for characterizing and extracting salient structures in three-dimensional symmetric second-order tensor fields.The key insight is that degenerate lines in tensor fields, as defined by the standard topological approach, ...
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Estimating Crossing Fibers: A Tensor Decomposition Approach
Thomas Schultz, Hans-Peter Seidel
Pages: 1635-1642
doi>10.1109/TVCG.2008.128
Available formats: Publisher SitePublisher Site

Diffusion weighted magnetic resonance imaging is a unique tool for non-invasive investigation of major nerve fiber tracts. Since the popular diffusion tensor (DT-MRI) model is limited to voxels with a single fiber direction, a number of high angular ...
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Geodesic Distance-weighted Shape Vector Image Diffusion
Jing Hua, Zhaoqiang Lai, Ming Dong, Xianfeng Gu, Hong Qin
Pages: 1643-1650
doi>10.1109/TVCG.2008.134
Available formats: Publisher SitePublisher Site

This paper presents a novel and efficient surface matching and visualization framework through the geodesic distance-weighted shape vector image diffusion. Based on conformal geometry, our approach can uniquely map a 3D surface to a canonical rectangular ...
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Edge Groups: An Approach to Understanding the Mesh Quality of Marching Methods
Carlos A. Dietrich, Carlos Scheidegger, João Comba, Luciana Nedel, Cláudio Silva
Pages: 1651-1666
doi>10.1109/TVCG.2008.122
Available formats: Publisher SitePublisher Site

Marching Cubes is the most popular isosurface extraction algorithm due to its simplicity, efficiency and robustness. It has been widely studied, improved, and extended. While much early work was concerned with efficiency and correctness issues, lately ...
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Revisiting Histograms and Isosurface Statistics
Carlos E. Scheidegger, John M. Schreiner, Brian Duffy, Hamish Carr, Cláudio T. Silva
Pages: 1659-1666
doi>10.1109/TVCG.2008.160
Available formats: Publisher SitePublisher Site

Recent results have shown a link between geometric properties of isosurfaces and statistical properties of the underlying sampled data. However, this has two defects: not all of the properties described converge to the same solution, and the statistics ...
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Visibility-driven Mesh Analysis and Visualization through Graph Cuts
Kaichi Zhou, Eugene Zhang, Jiří Bittner, Peter Wonka
Pages: 1667-1674
doi>10.1109/TVCG.2008.176
Available formats: Publisher SitePublisher Site

In this paper we present an algorithm that operates on a triangular mesh and classifies each face of a triangle as either inside or outside. We present three example applications of this core algorithm: normal orientation, inside removal, and layer-based ...
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Text Scaffolds for Effective Surface Labeling
Gregory Cipriano, Michael Gleicher
Pages: 1675-1682
doi>10.1109/TVCG.2008.168
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In this paper we introduce a technique for applying textual labels to 3D surfaces. An effective labeling must balance the conflicting goals of conveying the shape of the surface while being legible from a range of viewing directions. Shape can be conveyed ...
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Relation-Aware Volume Exploration Pipeline
Ming-Yuen Chan, Huamin Qu, Ka-Kei Chung, Wai-Ho Mak, Yingcai Wu
Pages: 1683-1690
doi>10.1109/TVCG.2008.159
Available formats: Publisher SitePublisher Site

Volume exploration is an important issue in scientific visualization. Research on volume exploration has been focused on revealing hidden structures in volumetric data.While the information of individual structures or features is useful in practice, ...
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VisComplete: Automating Suggestions for Visualization Pipelines
David Koop
Pages: 1691-1698
doi>10.1109/TVCG.2008.174
Available formats: Publisher SitePublisher Site

Building visualization and analysis pipelines is a large hurdle in the adoption of visualization and workflow systems by domain scientists. In this paper, we propose techniques to help users construct pipelines by consensus—automatically suggesting ...
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Interactive Visual Steering - Rapid Visual Prototyping of a Common Rail Injection System
Kresimir Matkovic, Denis Gracanin, Mario Jelovic, Helwig Hauser
Pages: 1699-1706
doi>10.1109/TVCG.2008.145
Available formats: Publisher SitePublisher Site

Interactive steering with visualization has been a common goal of the visualization research community for twenty years, but it is rarely ever realized in practice. In this paper we describe a successful realization of a tightly coupled steering loop, ...
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AD-Frustum: Adaptive Frustum Tracing for Interactive Sound Propagation
Anish Chandak, Christian Lauterbach, Micah Taylor, Zhimin Ren, Dinesh Manocha
Pages: 1707-1722
doi>10.1109/TVCG.2008.111
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We present an interactive algorithm to compute sound propagation paths for transmission, specular reflection and edge diffraction in complex scenes. Our formulation uses an adaptive frustum representation that is automatically sub-divided to accurately ...
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Query-Driven Visualization of Time-Varying Adaptive Mesh Refinement Data
Luke J. Gosink, John C. Anderson, E. Wes Bethel, Kenneth I. Joy
Pages: 1715-1722
doi>10.1109/TVCG.2008.157
Available formats: Publisher SitePublisher Site

The visualization and analysis of AMR-based simulations is integral to the process of obtaining new insight in scientific research. We present a new method for performing query-driven visualization and analysis on AMR data, with specific emphasis on ...
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A Comparison of the Perceptual Benefits of Linear Perspective and Physically-Based Illumination for Display of Dense 3D Streamtubes
Chris Weigle, David Banks
Pages: 1723-1730
doi>10.1109/TVCG.2008.108
Available formats: Publisher SitePublisher Site

Large datasets typically contain coarse features comprised of finer sub-features. Even if the shapes of the small structures are evident in a 3D display, the aggregate shapes they suggest may not be easily inferred. From previous studies in shape perception, ...
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Focus+Context Visualization with Distortion Minimization
Yu-Shuen Wang, Tong-Yee Lee, Chiew-Lan Tai
Pages: 1731-1738
doi>10.1109/TVCG.2008.132
Available formats: Publisher SitePublisher Site

The need to examine and manipulate large surface models is commonly found in many science, engineering, and medical applications. On a desktop monitor, however, seeing the whole model in detail is not possible. In this paper, we present a new, interactive ...
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Color Design for Illustrative Visualization
Lujin Wang, Joachim Giesen, Kevin T. McDonnell, Peter Zolliker, Klaus Mueller
Pages: 1739-1754
doi>10.1109/TVCG.2008.118
Available formats: Publisher SitePublisher Site

Professional designers and artists are quite cognizant of the rules that guide the design of effective color palettes, from both aesthetic and attention-guiding points of view. In the field of visualization, however, the use of systematic rules embracing ...
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An Efficient Naturalness-Preserving Image-Recoloring Method for Dichromats
Giovane R. Kuhn, Manuel M. Oliveira, Leandro A. F. Fernandes
Pages: 1747-1754
doi>10.1109/TVCG.2008.112
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We present an efficient and automatic image-recoloring technique for dichromats that highlights important visual details that would otherwise be unnoticed by these individuals. While previous techniques approach this problem by potentially changing all ...
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Effects of Video Placement and Spatial Context Presentation on Path Reconstruction Tasks with Contextualized Videos
Yi Wang, Doug Bowman, David Krum, Enylton Coalho, Tonya Smith-Jackson, David Bailey, Sarah Peck, Swethan Anand, Trevor Kennedy, Yernar Abdrazakov
Pages: 1755-1762
doi>10.1109/TVCG.2008.126
Available formats: Publisher SitePublisher Site

Many interesting and promising prototypes for visualizing video data have been proposed, including those that combine videos with their spatial context (contextualized videos). However, relatively little work has investigated the fundamental design factors ...
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Back matter
Pages: xxvii-xxviii
doi>10.1109/TVCG.2008.113
Available formats: Publisher SitePublisher Site

Back matter from Vis/InfoVis 2008
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