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train · 6.09k rows

Conference stringclasses 6 values	Year int64 1.99k 2.03k	Title stringlengths 8 187	DOI stringlengths 16 32	Abstract stringlengths 128 7.15k ⌀	Accessible bool 2 classes	Early bool 2 classes	AuthorNames-Deduped listlengths 1 24	Award listlengths 0 2	Resources listlengths 0 5	ResourceLinks listlengths 0 10
Vis	2,006	Detection and Visualization of Defects in 3D Unstructured Models of Nematic Liquid Crystals	10.1109/TVCG.2006.133	A method for the semi-automatic detection and visualization of defects in models of nematic liquid crystals (NLCs) is introduced; this method is suitable for unstructured models, a previously unsolved problem. The detected defects - also known as disclinations - are regions were the alignment of the liquid crystal rapi...	false	false	[ "Ketan Mehta", "T. J. Jankun-Kelly" ]	[]	[]	[]
Vis	2,006	Diffusion Tensor Visualization with Glyph Packing	10.1109/TVCG.2006.134	A common goal of multivariate visualization is to enable data inspection at discrete points, while also illustrating larger-scale continuous structures. In diffusion tensor visualization, glyphs are typically used to meet the first goal, and methods such as texture synthesis or fiber tractography can address the second...	false	false	[ "Gordon L. Kindlmann", "Carl-Fredrik Westin" ]	[]	[]	[]
Vis	2,006	Distributed Shared Memory for Roaming Large Volumes	10.1109/TVCG.2006.135	We present a cluster-based volume rendering system for roaming very large volumes. This system allows to move a gigabyte-sized probe inside a total volume of several tens or hundreds of gigabytes in real-time. While the size of the probe is limited by the total amount of texture memory on the cluster, the size of the t...	false	false	[ "Laurent Castanie", "Christophe Mion", "Xavier Cavin", "Bruno Lévy 0001" ]	[]	[]	[]
Vis	2,006	Dynamic View Selection for Time-Varying Volumes	10.1109/TVCG.2006.137	Animation is an effective way to show how time-varying phenomena evolve over time. A key issue of generating a good animation is to select ideal views through which the user can perceive the maximum amount of information from the time-varying dataset. In this paper, we first propose an improved view selection method fo...	false	false	[ "Guangfeng Ji", "Han-Wei Shen" ]	[]	[]	[]
Vis	2,006	Enhancing Depth Perception in Translucent Volumes	10.1109/TVCG.2006.139	We present empirical studies that consider the effects of stereopsis and simulated aerial perspective on depth perception in translucent volumes. We consider a purely absorptive lighting model, in which light is not scattered or reflected, but is simply absorbed as it passes through the volume. A purely absorptive ligh...	false	false	[ "Marta Kersten-Oertel", "James Stewart", "Nikolaus F. Troje", "Randy E. Ellis" ]	[]	[]	[]
Vis	2,006	Exploded Views for Volume Data	10.1109/TVCG.2006.140	Exploded views are an illustration technique where an object is partitioned into several segments. These segments are displaced to reveal otherwise hidden detail. In this paper we apply the concept of exploded views to volumetric data in order to solve the general problem of occlusion. In many cases an object of intere...	false	false	[ "Stefan Bruckner", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,006	Extensions of the Zwart-Powell Box Spline for Volumetric Data Reconstruction on the Cartesian Lattice	10.1109/TVCG.2006.141	In this article we propose a box spline and its variants for reconstructing volumetric data sampled on the Cartesian lattice. In particular we present a tri-variate box spline reconstruction kernel that is superior to tensor product reconstruction schemes in terms of recovering the proper Cartesian spectrum of the unde...	false	false	[ "Alireza Entezari", "Torsten Möller" ]	[]	[]	[]
Vis	2,006	Fast and Efficient Compression of Floating-Point Data	10.1109/TVCG.2006.143	Large scale scientific simulation codes typically run on a cluster of CPUs that write/read time steps to/from a single file system. As data sets are constantly growing in size, this increasingly leads to I/O bottlenecks. When the rate at which data is produced exceeds the available I/O bandwidth, the simulation stalls ...	false	false	[ "Peter Lindstrom 0001", "Martin Isenburg" ]	[]	[]	[]
Vis	2,006	Feature Aligned Volume Manipulation for Illustration and Visualization	10.1109/TVCG.2006.144	In this paper we describe a GPU-based technique for creating illustrative visualization through interactive manipulation of volumetric models. It is partly inspired by medical illustrations, where it is common to depict cuts and deformation in order to provide a better understanding of anatomical and biological structu...	false	false	[ "Carlos D. Correa", "Deborah Silver", "Min Chen 0001" ]	[]	[]	[]
Vis	2,006	fine-grained Visualization Pipelines and Lazy Functional Languages	10.1109/TVCG.2006.145	The pipeline model in visualization has evolved from a conceptual model of data processing into a widely used architecture for implementing visualization systems. In the process, a number of capabilities have been introduced, including streaming of data in chunks, distributed pipelines, and demand-driven processing. Vi...	false	false	[ "David J. Duke", "Malcolm Wallace", "Rita Borgo", "Colin Runciman" ]	[]	[]	[]
Vis	2,006	Full Body Virtual Autopsies using a State-of-the-art Volume Rendering Pipeline	10.1109/TVCG.2006.146	This paper presents a procedure for virtual autopsies based on interactive 3D visualizations of large scale, high resolution data from CT-scans of human cadavers. The procedure is described using examples from forensic medicine and the added value and future potential of virtual autopsies is shown from a medical and fo...	false	false	[ "Patric Ljung", "Calle Winskog", "Anders Persson", "Claes Lundström", "Anders Ynnerman" ]	[]	[]	[]
Vis	2,006	High-Level User Interfaces for Transfer Function Design with Semantics	10.1109/TVCG.2006.148	Many sophisticated techniques for the visualization of volumetric data such as medical data have been published. While existing techniques are mature from a technical point of view, managing the complexity of visual parameters is still difficult for nonexpert users. To this end, this paper presents new ideas to facilit...	false	false	[ "Christof Rezk-Salama", "Maik Keller", "Peter Kohlmann" ]	[]	[]	[]
Vis	2,006	High-Quality Extraction of Isosurfaces from Regular and Irregular Grids	10.1109/TVCG.2006.149	Isosurfaces are ubiquitous in many fields, including visualization, graphics, and vision. They are often the main computational component of important processing pipelines (e.g., surface reconstruction), and are heavily used in practice. The classical approach to compute isosurfaces is to apply the Marching Cubes algor...	false	false	[ "John M. Schreiner", "Carlos Scheidegger", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,006	Hub-based Simulation and Graphics Hardware Accelerated Visualization for Nanotechnology Applications	10.1109/TVCG.2006.150	The Network for computational nanotechnology (NCN) has developed a science gateway at nanoHUB.org for nanotechnology education and research. Remote users can browse through online seminars and courses, and launch sophisticated nanotechnology simulation tools, all within their Web browser. Simulations are supported by a...	false	false	[ "Wei Qiao", "Michael McLennan", "Rick Kennell", "David S. Ebert", "Gerhard Klimeck" ]	[]	[]	[]
Vis	2,006	Hybrid Visualization for White Matter Tracts using Triangle Strips and Point Sprites	10.1109/TVCG.2006.151	Diffusion tensor imaging is of high value in neurosurgery, providing information about the location of white matter tracts in the human brain. For their reconstruction, streamline techniques commonly referred to as fiber tracking model the underlying fiber structures and have therefore gained interest. To meet the requ...	false	false	[ "Dorit Merhof", "Markus Sonntag", "Frank Enders", "Christopher Nimsky", "Peter Hastreiter", "Günther Greiner" ]	[]	[]	[]
Vis	2,006	Importance-Driven Focus of Attention	10.1109/TVCG.2006.152	This paper introduces a concept for automatic focusing on features within a volumetric data set. The user selects a focus, i.e., object of interest, from a set of pre-defined features. Our system automatically determines the most expressive view on this feature. A characteristic viewpoint is estimated by a novel inform...	false	false	[ "Ivan Viola", "Miquel Feixas", "Mateu Sbert", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,006	Interactive Point-based Isosurface Exploration and High-quality Rendering	10.1109/TVCG.2006.153	We present an efficient point-based isosurface exploration system with high quality rendering. Our system incorporates two point-based isosurface extraction and visualization methods: edge splatting and the edge kernel method. In a volume, two neighboring voxels define an edge. The intersection points between the activ...	false	false	[ "Haitao Zhang", "Arie E. Kaufman" ]	[]	[]	[]
Vis	2,006	Interactive Point-Based Rendering of Higher-Order Tetrahedral Data	10.1109/TVCG.2006.154	Computational simulations frequently generate solutions defined over very large tetrahedral volume meshes containing many millions of elements. Furthermore, such solutions may often be expressed using non-linear basis functions. Certain solution techniques, such as discontinuous Galerkin methods, may even produce non-c...	false	false	[ "Yuan Zhou", "Michael Garland" ]	[]	[]	[]
Vis	2,006	Interactive Visualization of Intercluster Galaxy Structures in the Horologium-Reticulum Supercluster	10.1109/TVCG.2006.155	We present GyVe, an interactive visualization tool for understanding structure in sparse three-dimensional (3D) point data. The scientific goal driving the tool's development is to determine the presence of filaments and voids as defined by inferred 3D galaxy positions within the horologium-reticulum supercluster (HRS)...	false	false	[ "Jameson Miller", "Cory Quammen", "Matthew Fleenor" ]	[]	[]	[]
Vis	2,006	Isosurface Extraction and Spatial filtering using Persistent Octree (POT)	10.1109/TVCG.2006.157	We propose a novel persistent octree (POT) indexing structure for accelerating isosurface extraction and spatial filtering from volumetric data. This data structure efficiently handles a wide range of visualization problems such as the generation of view-dependent isosurfaces, ray tracing, and isocontour slicing for hi...	false	false	[ "Qingmin Shi", "Joseph F. JáJá" ]	[]	[]	[]
Vis	2,006	Lines of Curvature for Polyp Detection in Virtual Colonoscopy	10.1109/TVCG.2006.158	Computer-aided diagnosis (CAD) is a helpful addition to laborious visual inspection for preselection of suspected colonic polyps in virtual colonoscopy. Most of the previous work on automatic polyp detection makes use of indicators based on the scalar curvature of the colon wall and can result in many false-positive de...	false	false	[ "Lingxiao Zhao", "Charl P. Botha", "Javier Oliván Bescós", "Roel Truyen", "Frans Vos", "Frits H. Post" ]	[]	[]	[]
Vis	2,006	LOD Map - A Visual Interface for Navigating Multiresolution Volume Visualization	10.1109/TVCG.2006.159	In multiresolution volume visualization, a visual representation of level-of-detail (LOD) quality is important for us to examine, compare, and validate different LOD selection algorithms. While traditional methods rely on ultimate images for quality measurement, we introduce the LOD map - an alternative representation ...	false	false	[ "Chaoli Wang 0001", "Han-Wei Shen" ]	[]	[]	[]
Vis	2,006	Mesh Layouts for Block-Based Caches	10.1109/TVCG.2006.162	Current computer architectures employ caching to improve the performance of a wide variety of applications. One of the main characteristics of such cache schemes is the use of block fetching whenever an uncached data element is accessed. To maximize the benefit of the block fetching mechanism, we present novel cache-aw...	false	false	[ "Sung-Eui Yoon", "Peter Lindstrom 0001" ]	[]	[]	[]
Vis	2,006	Multi-variate, Time Varying, and Comparative Visualization with Contextual Cues	10.1109/TVCG.2006.164	Time-varying, multi-variate, and comparative data sets are not easily visualized due to the amount of data that is presented to the user at once. By combining several volumes together with different operators into one visualized volume, the user is able to compare values from different data sets in space over time, run...	false	false	[ "Jonathan Woodring", "Han-Wei Shen" ]	[]	[]	[]
Vis	2,006	Multifield-Graphs: An Approach to Visualizing Correlations in Multifield Scalar Data	10.1109/TVCG.2006.165	We present an approach to visualizing correlations in 3D multifield scalar data. The core of our approach is the computation of correlation fields, which are scalar fields containing the local correlations of subsets of the multiple fields. While the visualization of the correlation fields can be done using standard 3D...	false	false	[ "Natascha Sauber", "Holger Theisel", "Hans-Peter Seidel" ]	[]	[]	[]
Vis	2,006	Occlusion-Free Animation of Driving Routes for Car Navigation Systems	10.1109/TVCG.2006.167	This paper presents a method for occlusion-free animation of geographical landmarks, and its application to a new type of car navigation system in which driving routes of interest are always visible. This is achieved by animating a nonperspective image where geographical landmarks such as mountain tops and roads are re...	false	false	[ "Shigeo Takahashi", "Kenichi Yoshida", "Kenji Shimada", "Tomoyuki Nishita" ]	[]	[]	[]
Vis	2,006	On Histograms and Isosurface Statistics	10.1109/TVCG.2006.168	In this paper, we show that histograms represent spatial function distributions with a nearest neighbour interpolation. We confirm that this results in systematic underrepresentation of transitional features of the data, and provide new insight why this occurs. We further show that isosurface statistics, which use high...	false	false	[ "Hamish A. Carr", "Brian Duffy", "Brian Denby" ]	[ "BP" ]	[]	[]
Vis	2,006	Out-of-Core Remeshing of Large Polygonal Meshes	10.1109/TVCG.2006.169	We propose an out-of-core method for creating semi-regular surface representations from large input surface meshes. Our approach is based on a streaming implementation of the MAPS remesher of Lee et al. Our remeshing procedure consists of two stages. First, a simplification process is used to obtain the base domain. Du...	false	false	[ "Minsu Ahn", "Igor Guskov", "Seungyong Lee 0001" ]	[]	[]	[]
Vis	2,006	Outlier-Preserving Focus+Context Visualization in Parallel Coordinates	10.1109/TVCG.2006.170	Focus+context visualization integrates a visually accentuated representation of selected data items in focus (more details, more opacity, etc.) with a visually deemphasized representation of the rest of the data, i.e., the context. The role of context visualization is to provide an overview of the data for improved use...	false	false	[ "Matej Novotny", "Helwig Hauser" ]	[]	[]	[]
Vis	2,006	Progressive Volume Rendering of Large Unstructured Grids	10.1109/TVCG.2006.171	We describe a new progressive technique that allows real-time rendering of extremely large tetrahedral meshes. Our approach uses a client-server architecture to incrementally stream portions of the mesh from a server to a client which refines the quality of the approximate rendering until it converges to a full quality...	false	false	[ "Steven P. Callahan", "Louis Bavoil", "Valerio Pascucci", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,006	Real-Time Illustration of Vascular Structures	10.1109/TVCG.2006.172	We present real-time vascular visualization methods, which extend on illustrative rendering techniques to particularly accentuate spatial depth and to improve the perceptive separation of important vascular properties such as branching level and supply area. The resulting visualization can and has already been used for...	false	false	[ "Felix Ritter", "Christian Hansen 0001", "Volker Dicken", "Olaf Konrad-Verse", "Bernhard Preim", "Heinz-Otto Peitgen" ]	[]	[]	[]
Vis	2,006	Representing Higher-Order Singularities in Vector fields on Piecewise Linear Surfaces	10.1109/TVCG.2006.173	Accurately representing higher-order singularities of vector fields defined on piecewise linear surfaces is a non-trivial problem. In this work, we introduce a concise yet complete interpolation scheme of vector fields on arbitrary triangulated surfaces. The scheme enables arbitrary singularities to be represented at v...	false	false	[ "Wan-Chiu Li", "Bruno Vallet", "Nicolas Ray", "Bruno Lévy 0001" ]	[]	[]	[]
Vis	2,006	Saliency-guided Enhancement for Volume Visualization	10.1109/TVCG.2006.174	Recent research in visual saliency has established a computational measure of perceptual importance. In this paper we present a visual-saliency-based operator to enhance selected regions of a volume. We show how we use such an operator on a user-specified saliency field to compute an emphasis field. We further discuss ...	false	false	[ "Young Min Kim", "Amitabh Varshney" ]	[]	[]	[]
Vis	2,006	Scalable Data Servers for Large Multivariate Volume Visualization	10.1109/TVCG.2006.175	Volumetric datasets with multiple variables on each voxel over multiple time steps are often complex, especially when considering the exponentially large attribute space formed by the variables in combination with the spatial and temporal dimensions. It is intuitive, practical, and thus often desirable, to interactivel...	false	false	[ "Markus Glatter", "Jian Huang 0007", "Jinzhu Gao", "Colin Mollenhour" ]	[]	[]	[]
Vis	2,006	Scalable WIM: Effective Exploration in Large-scale Astrophysical Environments	10.1109/TVCG.2006.176	Navigating through large-scale virtual environments such as simulations of the astrophysical Universe is difficult. The huge spatial range of astronomical models and the dominance of empty space make it hard for users to travel across cosmological scales effectively, and the problem of wayfinding further impedes the us...	false	false	[ "Yinggang Li", "Chi-Wing Fu", "Andrew J. Hanson" ]	[]	[]	[]
Vis	2,006	Subjective Quantification of Perceptual Interactions among some 2D Scientific Visualization Methods	10.1109/TVCG.2006.180	We present an evaluation of a parameterized set of 2D icon-based visualization methods where we quantified how perceptual interactions among visual elements affect effective data exploration. During the experiment, subjects quantified three different design factors for each method: the spatial resolution it could repre...	false	false	[ "Daniel Acevedo Feliz", "David H. Laidlaw" ]	[]	[]	[]
Vis	2,006	Superellipsoid-based, Real Symmetric Traceless Tensor Glyphs Motivated by Nematic Liquid Crystal Alignment Visualization	10.1109/TVCG.2006.181	A glyph-based method for visualizing the nematic liquid crystal alignment tensor is introduced. Unlike previous approaches, the glyph is based upon physically-linked metrics, not offsets of the eigenvalues. These metrics, combined with a set of superellipsoid shapes, communicate both the strength of the crystal's uniax...	false	false	[ "T. J. Jankun-Kelly", "Ketan Mehta" ]	[]	[]	[]
Vis	2,006	Techniques for the Visualization of Topological Defect Behavior in Nematic Liquid Crystals	10.1109/TVCG.2006.182	We present visualization tools for analyzing molecular simulations of liquid crystal (LC) behavior. The simulation data consists of terabytes of data describing the position and orientation of every molecule in the simulated system over time. Condensed matter physicists study the evolution of topological defects in the...	false	false	[ "Vadim A. Slavin", "Robert Pelcovits", "George Loriot", "Andrew Callan-Jones", "David H. Laidlaw" ]	[]	[]	[]
Vis	2,006	Texturing of Layered Surfaces for Optimal Viewing	10.1109/TVCG.2006.183	This paper is a contribution to the literature on perceptually optimal visualizations of layered three-dimensional surfaces. Specifically, we develop guidelines for generating texture patterns, which, when tiled on two overlapped surfaces, minimize confusion in depth-discrimination and maximize the ability to localize ...	false	false	[ "Alethea Bair", "Donald H. House", "Colin Ware" ]	[]	[]	[]
Vis	2,006	Understanding the Structure of the Turbulent Mixing Layer in Hydrodynamic Instabilities	10.1109/TVCG.2006.186	When a heavy fluid is placed above a light fluid, tiny vertical perturbations in the interface create a characteristic structure of rising bubbles and falling spikes known as Rayleigh-Taylor instability. Rayleigh-Taylor instabilities have received much attention over the past half-century because of their importance in...	false	false	[ "David E. Laney", "Peer-Timo Bremer", "Ajith Mascarenhas", "Paul L. Miller", "Valerio Pascucci" ]	[ "BA" ]	[]	[]
Vis	2,006	Using Difference Intervals for Time-Varying Isosurface Visualization	10.1109/TVCG.2006.188	We present a novel approach to out-of-core time-varying isosurface visualization. We attempt to interactively visualize time-varying datasets which are too large to fit into main memory using a technique which is dramatically different from existing algorithms. Inspired by video encoding techniques, we examine the data...	false	false	[ "Kenneth W. Waters", "Christopher S. Co", "Kenneth I. Joy" ]	[]	[]	[]
Vis	2,006	Using Visual Cues of Contact to Improve Interactive Manipulation of Virtual Objects in Industrial Assembly/Maintenance Simulations	10.1109/TVCG.2006.189	This paper describes a set of visual cues of contact designed to improve the interactive manipulation of virtual objects in industrial assembly/maintenance simulations. These visual cues display information of proximity, contact and effort between virtual objects when the user manipulates a part inside a digital mock-u...	false	false	[ "Jean Sreng", "Anatole Lécuyer", "Christine Mégard", "Claude Andriot" ]	[]	[]	[]
Vis	2,006	Visual Signatures in Video Visualization	10.1109/TVCG.2006.194	Video visualization is a computation process that extracts meaningful information from original video data sets and conveys the extracted information to users in appropriate visual representations. This paper presents a broad treatment of the subject, following a typical research pipeline involving concept formulation,...	false	false	[ "Min Chen 0001", "Ralf P. Botchen", "Rudy Hashim", "Daniel Weiskopf", "Thomas Ertl", "Ian M. Thornton" ]	[]	[]	[]
Vis	2,006	Visualization and Analysis of Large Data Collections: a Case Study Applied to Confocal Microscopy Data	10.1109/TVCG.2006.195	In this paper we propose an approach in which interactive visualization and analysis are combined with batch tools for the processing of large data collections. Large and heterogeneous data collections are difficult to analyze and pose specific problems to interactive visualization. Application of the traditional inter...	false	false	[ "Wim C. de Leeuw", "Pernette J. Verschure", "Robert van Liere" ]	[]	[]	[]
Vis	2,006	Visualization of fibrous and Thread-like Data	10.1109/TVCG.2006.197	Thread-like structures are becoming more common in modern volumetric data sets as our ability to image vascular and neural tissue at higher resolutions improves. The thread-like structures of neurons and micro-vessels pose a unique problem in visualization since they tend to be densely packed in small volumes of tissue...	false	false	[ "Zeki Melek", "David Mayerich", "Cem Yuksel", "John Keyser" ]	[]	[]	[]
Vis	2,006	Visualization Tools for Vorticity Transport Analysis in Incompressible Flow	10.1109/TVCG.2006.199	Vortices are undesirable in many applications while indispensable in others. It is therefore of common interest to understand their mechanisms of creation. This paper aims at analyzing the transport of vorticity inside incompressible flow. The analysis is based on the vorticity equation and is performed along pathlines...	false	false	[ "Filip Sadlo", "Ronald Peikert", "Mirjam Sick" ]	[]	[]	[]
Vis	2,006	Vortex Visualization for Practical Engineering Applications	10.1109/TVCG.2006.201	In order to understand complex vortical flows in large data sets, we must be able to detect and visualize vortices in an automated fashion. In this paper, we present a feature-based vortex detection and visualization technique that is appropriate for large computational fluid dynamics data sets computed on unstructured...	false	false	[ "Monika Jankun-Kelly", "Ming Jiang 0005", "David S. Thompson", "Raghu Machiraju" ]	[]	[]	[]
VAST	2,006	A Visual Interface for Multivariate Temporal Data: Finding Patterns of Events across Multiple Histories	10.1109/VAST.2006.261421	Finding patterns of events over time is important in searching patient histories, Web logs, news stories, and criminal activities. This paper presents PatternFinder, an integrated interface for query and result-set visualization for search and discovery of temporal patterns within multivariate and categorical data sets...	false	false	[ "Jerry Alan Fails", "Amy K. Karlson", "Layla Shahamat", "Ben Shneiderman" ]	[ "TT" ]	[]	[]
VAST	2,006	Accelerating Network Traffic Analytics Using Query-Driven Visualization	10.1109/VAST.2006.261437	Realizing operational analytics solutions where large and complex data must be analyzed in a time-critical fashion entails integrating many different types of technology. This paper focuses on an interdisciplinary combination of scientific data management and visualization/analysis technologies targeted at reducing the...	false	false	[ "E. Wes Bethel", "Scott Campbell", "Eli Dart", "Kurt Stockinger", "Kesheng Wu" ]	[]	[]	[]
VAST	2,006	Avian Flu Case Study with nSpace and GeoTime	10.1109/VAST.2006.261427	GeoTime and nSpace are new analysis tools that provide innovative visual analytic capabilities. This paper uses an epidemiology analysis scenario to illustrate and discuss these new investigative methods and techniques. In addition, this case study is an exploration and demonstration of the analytical synergy achieved ...	false	false	[ "Pascale Proulx", "Sumeet Tandon", "Adam Bodnar", "David Schroh", "Robert Harper 0002", "William Wright" ]	[]	[]	[]
VAST	2,006	Beyond Usability: Evaluation Aspects of Visual Analytic Environments	10.1109/VAST.2006.261416	A new field of research, visual analytics, has been introduced. This has been defined as "the science of analytical reasoning facilitated by interactive visual interfaces" (Thomas and Cook, 2005). Visual analytic environments, therefore, support analytical reasoning using visual representations and interactions, with d...	false	false	[ "Jean Scholtz" ]	[]	[]	[]
VAST	2,006	Collaborative Visual Analytics: Inferring from the Spatial Organization and Collaborative Use of Information	10.1109/VAST.2006.261415	We introduce a visual analytics environment for the support of remote-collaborative sense-making activities. Team members use their individual graphical interfaces to collect, organize and comprehend task-relevant information relative to their areas of expertise. A system of computational agents infers possible relatio...	false	false	[ "Paul E. Keel" ]	[]	[]	[]
VAST	2,006	D-Dupe: An Interactive Tool for Entity Resolution in Social Networks	10.1109/VAST.2006.261429	Visualizing and analyzing social networks is a challenging problem that has been receiving growing attention. An important first step, before analysis can begin, is ensuring that the data is accurate. A common data quality problem is that the data may inadvertently contain several distinct references to the same underl...	false	false	[ "Mustafa Bilgic 0001", "Louis Licamele", "Lise Getoor", "Ben Shneiderman" ]	[]	[]	[]
VAST	2,006	Enhancing Visual Analysis of Network Traffic Using a Knowledge Representation	10.1109/VAST.2006.261436	This paper presents a network traffic analysis system that couples visual analysis with a declarative knowledge representation. The system supports multiple iterations of the sense-making loop of analytic reasoning by allowing users to save discoveries as they are found and to reuse them in future iterations. We show h...	false	false	[ "Ling Xiao", "John Gerth", "Pat Hanrahan" ]	[]	[]	[]
VAST	2,006	Exploratory Visualization of Multivariate Data with Variable Quality	10.1109/VAST.2006.261424	Real-world data is known to be imperfect, suffering from various forms of defects such as sensor variability, estimation errors, uncertainty, human errors in data entry, and gaps in data gathering. Analysis conducted on variable quality data can lead to inaccurate or incorrect results. An effective visualization system...	false	false	[ "Zaixian Xie", "Shiping Huang", "Matthew O. Ward", "Elke A. Rundensteiner" ]	[]	[]	[]
VAST	2,006	Exploring Large-Scale Video News via Interactive Visualization	10.1109/VAST.2006.261433	In this paper, we have developed a novel visualization framework to enable more effective visual analysis of large-scale news videos, where keyframes and keywords are automatically extracted from news video clips and visually represented according to their interestingness measurement to help audiences rind news stories...	false	false	[ "Hangzai Luo", "Jianping Fan 0001", "Jing Yang 0001", "William Ribarsky", "Shin'ichi Satoh 0001" ]	[]	[]	[]
VAST	2,006	Have Green - A Visual Analytics Framework for Large Semantic Graphs	10.1109/VAST.2006.261432	A semantic graph is a network of heterogeneous nodes and links annotated with a domain ontology. In intelligence analysis, investigators use semantic graphs to organize concepts and relationships as graph nodes and links in hopes of discovering key trends, patterns, and insights. However, as new information continues t...	false	false	[ "Pak Chung Wong", "George Chin", "Harlan Foote", "Patrick Mackey", "James J. Thomas" ]	[]	[]	[]
VAST	2,006	Interactive Visual Synthesis of Analytic Knowledge	10.1109/VAST.2006.261430	A visual investigation involves both the examination of existing information and the synthesis of new analytic knowledge. This is a progressive process in which newly synthesized knowledge becomes the foundation for future discovery. In this paper, we present a novel system supporting interactive, progressive synthesis...	false	false	[ "David Gotz", "Michelle X. Zhou", "Vikram Aggarwal" ]	[]	[]	[]
VAST	2,006	Interactive Visualization and Analysis of Network and Sensor Data on Mobile Devices	10.1109/VAST.2006.261434	Mobile devices are rapidly gaining popularity due to their small size and their wide range of functionality. With the constant improvement in wireless network access, they are an attractive option not only for day to day use. but also for in-field analytics by first responders in widespread areas. However, their limite...	false	false	[ "Avin Pattath", "Brian D. Bue", "Yun Jang", "David S. Ebert", "Xuan Zhong", "Aaron Ault", "Edward J. Coyle" ]	[]	[]	[]
VAST	2,006	Interactive Wormhole Detection in Large Scale Wireless Networks	10.1109/VAST.2006.261435	Wormhole attacks in wireless networks can severely deteriorate the network performance and compromise the security through spoiling the routing protocols and weakening the security enhancements. This paper develops an approach, interactive visualization of wormholes (IVoW), to monitor and detect such attacks in large s...	false	false	[ "Weichao Wang", "Aidong Lu" ]	[]	[]	[]
VAST	2,006	Monitoring Network Traffic with Radial Traffic Analyzer	10.1109/VAST.2006.261438	Extensive spread of malicious code on the Internet and also within intranets has risen the user's concern about what kind of data is transferred between her or his computer and other hosts on the network. Visual analysis of this kind of information is a challenging task, due to the complexity and volume of the data typ...	false	false	[ "Daniel A. Keim", "Florian Mansmann", "Jörn Schneidewind", "Tobias Schreck" ]	[]	[]	[]
VAST	2,006	NetLens: Iterative Exploration of Content-Actor Network Data	10.1109/VAST.2006.261426	Networks have remained a challenge for information retrieval and visualization because of the rich set of tasks that users want to accomplish. This paper offers an abstract content-actor network data model, a classification of tasks, and a tool to support them. The NetLens interface was designed around the abstract con...	false	false	[ "Hyunmo Kang", "Catherine Plaisant", "Bongshin Lee", "Benjamin B. Bederson" ]	[]	[]	[]
VAST	2,006	Pixnostics: Towards Measuring the Value of Visualization	10.1109/VAST.2006.261423	During the last two decades a wide variety of advanced methods for the visual exploration of large data sets have been proposed. For most of these techniques user interaction has become a crucial element, since there are many situations in which a user or an analyst has to select the right parameter settings from among...	false	false	[ "Jörn Schneidewind", "Mike Sips", "Daniel A. Keim" ]	[]	[]	[]
VAST	2,006	Scentindex: Conceptually Reorganizing Subject Indexes for Reading	10.1109/VAST.2006.261418	A great deal of analytical work is done in the context of reading, in digesting the semantics of the material, the identification of important entities, and capturing the relationship between entities. Visual analytic environments, therefore, must encompass reading tools that enable the rapid digestion of large amount ...	false	false	[ "Ed H. Chi", "Lichan Hong", "Julie Heiser", "Stuart K. Card" ]	[]	[]	[]
VAST	2,006	Semantic Image Browser: Bridging Information Visualization with Automated Intelligent Image Analysis	10.1109/VAST.2006.261425	Browsing and retrieving images from large image collections are becoming common and important activities. Semantic image analysis techniques, which automatically detect high level semantic contents of images for annotation, are promising solutions toward this problem. However, few efforts have been made to convey the a...	false	false	[ "Jing Yang 0001", "Jianping Fan 0001", "Daniel Hubball", "Yuli Gao", "Hangzai Luo", "William Ribarsky", "Matthew O. Ward" ]	[]	[]	[]
VAST	2,006	Time Tree: Exploring Time Changing Hierarchies	10.1109/VAST.2006.261450	Intelligence analysis often involves the task of gathering information about an organization. Knowledge about individuals in an organization and their relationships, often represented as a hierarchical organization chart, is crucial for understanding the organization. However, it is difficult for intelligence analysts ...	false	false	[ "Stuart K. Card", "Bongwon Suh", "Bryan A. Pendleton", "Bryan Heer", "John W. Bodnar" ]	[]	[]	[]
VAST	2,006	Toward a Multi-Analyst, Collaborative Framework for Visual Analytics	10.1109/VAST.2006.261439	We describe a framework for the display of complex, multidimensional data, designed to facilitate exploration, analysis, and collaboration among multiple analysts. This framework aims to support human collaboration by making it easier to share representations, to translate from one point of view to another, to explain ...	false	false	[ "Susan Brennan", "Klaus Mueller 0001", "Gregory J. Zelinsky", "I. V. Ramakrishnan", "David Scott Warren", "Arie E. Kaufman" ]	[]	[]	[]
VAST	2,006	User Interfaces for the Exploration of Hierarchical Multi-dimensional Data	10.1109/VAST.2006.261422	A variety of user interfaces have been developed to support the querying of hierarchical multi-dimensional data in an OLAP setting such as pivot tables and Polaris. They are used to regularly check portions of a dataset and to explore a new dataset for the first time. In this paper, we establish criteria for OLAP user ...	false	false	[ "Mark Sifer" ]	[]	[]	[]
VAST	2,006	VAST 2006 Contest - A Tale of Alderwood	10.1109/VAST.2006.261420	Visual analytics experts realize that one effective way to push the field forward and to develop metrics for measuring the performance of various visual analytics components is to hold an annual competition. The first visual analytics science and technology (VAST) contest was held in conjunction with the 2006 IEEE VAST...	false	false	[ "Georges G. Grinstein", "Theresa A. O'Connell", "Sharon J. Laskowski", "Catherine Plaisant", "Jean Scholtz", "Mark A. Whiting" ]	[]	[]	[]
VAST	2,006	Visual Analysis of Conflicting Opinions	10.1109/VAST.2006.261431	Understanding the nature and dynamics of conflicting opinions is a profound and challenging issue. In this paper we address several aspects of the issue through a study of more than 3,000 Amazon customer reviews of the controversial bestseller The Da Vinci Code, including 1,738 positive and 918 negative reviews. The st...	false	false	[ "Chaomei Chen", "Fidelia Ibekwe-Sanjuan", "Eric SanJuan", "Chris E. Weaver" ]	[]	[]	[]
VAST	2,006	Visual Analysis of Historic Hotel Visitation Patterns	10.1109/VAST.2006.261428	Understanding the space and time characteristics of human interaction in complex social networks is a critical component of visual tools for intelligence analysis, consumer behavior analysis, and human geography. Visual identification and comparison of patterns of recurring events is an essential feature of such tools....	false	false	[ "Chris E. Weaver", "David Fyfe", "Anthony C. Robinson", "Deryck W. Holdsworth", "Donna Peuquet", "Alan M. MacEachren" ]	[]	[]	[]
VAST	2,006	Visual Analytics of Paleoceanographic Conditions	10.1109/VAST.2006.261452	Decade scale oceanic phenomena like El Nino are correlated with weather anomalies all over the globe. Only by understanding the events that produced the climatic conditions in the past will it be possible to forecast abrupt climate changes and prevent disastrous consequences for human beings and their environment. Pale...	false	false	[ "Roberto Therón" ]	[]	[]	[]
VAST	2,006	Visual Exploration of Spatio-temporal Relationships for Scientific Data	10.1109/VAST.2006.261451	Spatio-temporal relationships among features extracted from temporally-varying scientific datasets can provide useful information about the evolution of an individual feature and its interactions with other features. However, extracting such useful relationships without user guidance is cumbersome and often an error pr...	false	false	[ "Bryan Mehta", "Srinivasan Parthasarathy 0001", "Raghu Machiraju" ]	[]	[]	[]
VAST	2,006	Visualizing the Performance of Computational Linguistics Algorithms	10.1109/VAST.2006.261417	We have built a visualization system and analysis portal for evaluating the performance of computational linguistics algorithms. Our system focuses on algorithms that classify and cluster documents by assigning weights to words and scoring each document against high dimensional reference concept vectors. The visualizat...	false	false	[ "Stephen G. Eick", "Justin Mauger", "Alan Ratner" ]	[]	[]	[]
InfoVis	2,006	ASK-graphView: a large scale graph visualization system	10.1109/TVCG.2006.120	We describe ASK-GraphView, a node-link-based graph visualization system that allows clustering and interactive navigation of large graphs, ranging in size up to 16 million edges. The system uses a scalable architecture and a series of increasingly sophisticated clustering algorithms to construct a hierarchy on an arbit...	false	false	[ "James Abello", "Frank van Ham", "Neeraj Krishnan" ]	[]	[]	[]
InfoVis	2,006	Balancing Systematic and Flexible Exploration of Social Networks	10.1109/TVCG.2006.122	Social network analysis (SNA) has emerged as a powerful method for understanding the importance of relationships in networks. However, interactive exploration of networks is currently challenging because: (1) it is difficult to find patterns and comprehend the structure of networks with many nodes and links, and (2) cu...	false	false	[ "Adam Perer", "Ben Shneiderman" ]	[]	[]	[]
InfoVis	2,006	Complex Logarithmic Views for Small Details in Large Contexts	10.1109/TVCG.2006.126	Commonly known detail in context techniques for the two-dimensional Euclidean space enlarge details and shrink their context using mapping functions that introduce geometrical compression. This makes it difficult or even impossible to recognize shapes for large differences in magnification factors. In this paper we pro...	false	false	[ "Joachim Böttger", "Michael Balzer", "Oliver Deussen" ]	[]	[]	[]
InfoVis	2,006	Dynamic Map Labeling	10.1109/TVCG.2006.136	We address the problem of filtering, selecting and placing labels on a dynamic map, which is characterized by continuous zooming and panning capabilities. This consists of two interrelated issues. The first is to avoid label popping and other artifacts that cause confusion and interrupt navigation, and the second is to...	false	false	[ "Ken Been", "Eli Daiches", "Chee-Keng Yap" ]	[]	[]	[]
InfoVis	2,006	Enabling Automatic Clutter Reduction in Parallel Coordinate Plots	10.1109/TVCG.2006.138	We have previously shown that random sampling is an effective clutter reduction technique and that a sampling lens can facilitate focus+context viewing of particular regions. This demands an efficient method of estimating the overlap or occlusion of large numbers of intersecting lines in order to automatically adjust t...	false	false	[ "Geoffrey P. Ellis", "Alan J. Dix" ]	[]	[]	[]
InfoVis	2,006	FacetMap: A Scalable Search and Browse Visualization	10.1109/TVCG.2006.142	The dominant paradigm for searching and browsing large data stores is text-based: presenting a scrollable list of search results in response to textual search term input. While this works well for the Web, there is opportunity for improvement in the domain of personal information stores, which tend to have more heterog...	false	false	[ "Greg Smith", "Mary Czerwinski", "Brian Meyers", "Daniel C. Robbins", "George G. Robertson", "Desney S. Tan" ]	[]	[]	[]
InfoVis	2,006	Hierarchical Edge Bundles: Visualization of Adjacency Relations in Hierarchical Data	10.1109/TVCG.2006.147	A compound graph is a frequently encountered type of data set. Relations are given between items, and a hierarchy is defined on the items as well. We present a new method for visualizing such compound graphs. Our approach is based on visually bundling the adjacency edges, i.e., non-hierarchical edges, together. We real...	false	false	[ "Danny Holten" ]	[ "TT", "BP" ]	[]	[]
InfoVis	2,006	IPSep-CoLa: An Incremental Procedure for Separation Constraint Layout of Graphs	10.1109/TVCG.2006.156	We extend the popular force-directed approach to network (or graph) layout to allow separation constraints, which enforce a minimum horizontal or vertical separation between selected pairs of nodes. This simple class of linear constraints is expressive enough to satisfy a wide variety of application-specific layout req...	false	false	[ "Tim Dwyer", "Yehuda Koren", "Kim Marriott" ]	[]	[]	[]
InfoVis	2,006	MatrixExplorer: a Dual-Representation System to Explore Social Networks	10.1109/TVCG.2006.160	MatrixExplorer is a network visualization system that uses two representations: node-link diagrams and matrices. Its design comes from a list of requirements formalized after several interviews and a participatory design session conducted with social science researchers. Although matrices are commonly used in social ne...	false	false	[ "Nathalie Henry Riche", "Jean-Daniel Fekete" ]	[]	[]	[]
InfoVis	2,006	Measuring Data Abstraction Quality in Multiresolution Visualizations	10.1109/TVCG.2006.161	Data abstraction techniques are widely used in multiresolution visualization systems to reduce visual clutter and facilitate analysis from overview to detail. However, analysts are usually unaware of how well the abstracted data represent the original dataset, which can impact the reliability of results gleaned from th...	false	false	[ "Qingguang Cui", "Matthew O. Ward", "Elke A. Rundensteiner", "Jing Yang 0001" ]	[]	[]	[]
InfoVis	2,006	Multi-Scale Banking to 45 Degrees	10.1109/TVCG.2006.163	In his text Visualizing Data, William Cleveland demonstrates how the aspect ratio of a line chart can affect an analyst's perception of trends in the data. Cleveland proposes an optimization technique for computing the aspect ratio such that the average absolute orientation of line segments in the chart is equal to 45 ...	false	false	[ "Jeffrey Heer", "Maneesh Agrawala" ]	[]	[]	[]
InfoVis	2,006	Network Visualization by Semantic Substrates	10.1109/TVCG.2006.166	Networks have remained a challenge for information visualization designers because of the complex issues of node and link layout coupled with the rich set of tasks that users present. This paper offers a strategy based on two principles: (1) layouts are based on user-defined semantic substrates, which are non-overlappi...	false	false	[ "Ben Shneiderman", "Aleks Aris" ]	[]	[]	[]
InfoVis	2,006	Smashing Peacocks Further: Drawing Quasi-Trees from Biconnected Components	10.1109/TVCG.2006.177	Quasi-trees, namely graphs with tree-like structure, appear in many application domains, including bioinformatics and computer networks. Our new SPF approach exploits the structure of these graphs with a two-level approach to drawing, where the graph is decomposed into a tree of biconnected components. The low-level bi...	false	false	[ "Daniel Archambault", "Tamara Munzner", "David Auber" ]	[]	[]	[]
InfoVis	2,006	Software Design Patterns for Information Visualization	10.1109/TVCG.2006.178	Despite a diversity of software architectures supporting information visualization, it is often difficult to identify, evaluate, and re-apply the design solutions implemented within such frameworks. One popular and effective approach for addressing such difficulties is to capture successful solutions in design patterns...	false	false	[ "Jeffrey Heer", "Maneesh Agrawala" ]	[]	[]	[]
InfoVis	2,006	Spatial Analysis of News Sources	10.1109/TVCG.2006.179	People in different places talk about different things. This interest distribution is reflected by the newspaper articles circulated in a particular area. We use data from our large-scale newspaper analysis system (Lydia) to make entity datamaps, a spatial visualization of the interest in a given named entity. Our goal...	false	false	[ "Andrew Mehler", "Yunfan Bao", "Xin Li 0003", "Yue Wang", "Steven Skiena" ]	[]	[]	[]
InfoVis	2,006	The Perceptual Scalability of Visualization	10.1109/TVCG.2006.184	Larger, higher resolution displays can be used to increase the scalability of information visualizations. But just how much can scalability increase using larger displays before hitting human perceptual or cognitive limits? Are the same visualization techniques that are good on a single monitor also the techniques that...	false	false	[ "Beth Yost", "Chris North 0001" ]	[]	[]	[]
InfoVis	2,006	Topographic Visualization of Prefix Propagation in the Internet	10.1109/TVCG.2006.185	We propose a new metaphor for the visualization of prefixes propagation in the Internet. Such a metaphor is based on the concept of topographic map and allows to put in evidence the relative importance of the Internet Service Providers (ISPs) involved in the routing of the prefix. Based on the new metaphor we propose a...	false	false	[ "Pier Francesco Cortese", "Giuseppe Di Battista", "Antonello Moneta", "Maurizio Patrignani", "Maurizio Pizzonia" ]	[]	[]	[]
InfoVis	2,006	User Interaction with Scatterplots on Small Screens - A Comparative Evaluation of Geometric-Semantic Zoom and Fisheye Distortion	10.1109/TVCG.2006.187	Existing information-visualization techniques that target small screens are usually limited to exploring a few hundred items. In this article we present a scatterplot tool for Personal Digital Assistants that allows the handling of many thousands of items. The application's scalability is achieved by incorporating two ...	false	false	[ "Thorsten Büring", "Jens Gerken", "Harald Reiterer" ]	[]	[]	[]
InfoVis	2,006	Visual Analysis of Multivariate State Transition Graphs	10.1109/TVCG.2006.192	We present a new approach for the visual analysis of state transition graphs. We deal with multivariate graphs where a number of attributes are associated with every node. Our method provides an interactive attribute-based clustering facility. Clustering results in metric, hierarchical and relational data, represented ...	false	false	[ "A. Johannes Pretorius", "Jarke J. van Wijk" ]	[]	[]	[]
InfoVis	2,006	Visual Exploration of Complex Time-Varying Graphs	10.1109/TVCG.2006.193	Many graph drawing and visualization algorithms, such as force-directed layout and line-dot rendering, work very well on relatively small and sparse graphs. However, they often produce extremely tangled results and exhibit impractical running times for highly non-planar graphs with large edge density. And very few grap...	false	false	[ "Gautam Kumar", "Michael Garland" ]	[]	[]	[]
InfoVis	2,006	Visualization of Barrier Tree Sequences	10.1109/TVCG.2006.196	Dynamical models that explain the formation of spatial structures of RNA molecules have reached a complexity that requires novel visualization methods that help to analyze the validity of these models. We focus on the visualization of so-called folding landscapes of a growing RNA molecule. Folding landscapes describe t...	false	false	[ "Christian Heine 0002", "Gerik Scheuermann", "Christoph Flamm", "Ivo L. Hofacker", "Peter F. Stadler" ]	[]	[]	[]
InfoVis	2,006	Visualization of Geo-spatial Point Sets via Global Shape Transformation and Local Pixel Placement	10.1109/TVCG.2006.198	In many applications, data is collected and indexed by geo-spatial location. Discovering interesting patterns through visualization is an important way of gaining insight about such data. A previously proposed approach is to apply local placement functions such as PixelMaps that transform the input data set into a solu...	false	false	[ "Christian Panse", "Mike Sips", "Daniel A. Keim", "Stephen C. North" ]	[]	[]	[]
InfoVis	2,006	Visualizing Business Data with Generalized Treemaps	10.1109/TVCG.2006.200	Business data is often presented using simple business graphics. These familiar visualizations are effective for providing overviews, but fall short for the presentation of large amounts of detailed information. Treemaps can provide such detail, but are often not easy to understand. We present how standard treemap algo...	false	false	[ "Roel Vliegen", "Jarke J. van Wijk", "Erik-Jan van der Linden" ]	[]	[]	[]
InfoVis	2,006	Worldmapper: The World as You've Never Seen it Before	10.1109/TVCG.2006.202	This paper describes the Worldmapper project, which makes use of novel visualization techniques to represent a broad variety of social and economic data about the countries of the world. The goal of the project is to use the map projections known as cartograms to depict comparisons and relations between different terri...	false	false	[ "Danny Dorling", "Anna Barford", "Mark Newman" ]	[]	[]	[]
EuroVis	2,006	3D Soft Segmentation and Visualization of Medical Data Based on Nonlinear Diffusion and Distance Functions	10.2312/VisSym/EuroVis06/331-338	Visualization of medical 3D data is a complex problem, since the raw data is often unsuitable for standard techniques like Direct Volume Rendering. Some kind of pre-treatment is necessary, usually segmentation of the structures of interest, which in turn is a difficult task. Most segmentation techniques yield a model w...	false	false	[ "Bernhard Petersch", "O. Serrano-Serrano", "Dieter Hönigmann" ]	[]	[]	[]
EuroVis	2,006	A Case Study: Visualizing Material Point Method Data	10.2312/VisSym/EuroVis06/299-306	The Material Point Method is used for complex simulation of solid materials represented using many individual particles. Visualizing such data using existing polygonal or volumetric methods does not accurately encapsulate both the particle and macroscopic properties of the data. In this case study we present various me...	false	false	[ "James Bigler", "James Guilkey", "Christiaan P. Gribble", "Charles D. Hansen", "Steven G. Parker" ]	[]	[]	[]

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