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train · 6.25k 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 29	Award listlengths 0 2	Resources listlengths 0 5	ResourceLinks listlengths 0 10
EuroVis	2,007	Design of Multi-dimensional Transfer Functions Using Dimensional Reduction	10.2312/VisSym/EuroVis07/131-138	Direct volume rendering techniques allow visualization of volume data without extracting intermediate geometry. The mapping from voxel attributes to optical properties is performed by transfer functions which, consequently, play a crucial role in building informative images from the data. One-dimensional transfer funct...	false	false	[ "Francisco de Moura Pinto", "Carla M. D. S. Freitas" ]	[]	[]	[]
EuroVis	2,007	Dimensional Congruence for Interactive Visual Data Mining and Knowledge Discovery	10.2312/VisSym/EuroVis07/099-106	Many authors in the field of 3D human computer interaction have described the advantages of 3D user interfaces: Intuitive metaphors from daily life, immersive workspaces, virtual environments that closely resemble natural environments, and the usefulness of the third dimension as an additional visualization scale. Neve...	false	false	[ "Sebastian Baumgärtner", "Achim Ebert", "Matthias Deller" ]	[]	[]	[]
EuroVis	2,007	Feature Emphasis and Contextual Cutaways for Multimodal Medical Visualization	10.2312/VisSym/EuroVis07/275-282	Dense clinical data like 3D Computed Tomography (CT) scans can be visualized together with real-time imaging for a number of medical intervention applications. However, it is difficult to provide a fused visualization that allows sufficient spatial perception of the anatomy of interest, as derived from the rich pre-ope...	false	false	[ "Michael Burns", "Martin Haidacher", "Wolfgang Wein", "Ivan Viola", "M. Eduard Gröller" ]	[]	[]	[]
EuroVis	2,007	Feature Identification and Extraction in Function Fields	10.2312/VisSym/EuroVis07/195-201	We present interactive techniques for identifying and extracting features in function fields. Function fields map points in n-dimensional Euclidean space to 1-dimensional scalar functions. Visual feature identification is ac- complished by interactively rendering scalar distance fields, constructed by applying a functi...	false	false	[ "John C. Anderson", "Luke J. Gosink", "Mark A. Duchaineau", "Kenneth I. Joy" ]	[]	[]	[]
EuroVis	2,007	Flexible And Topologically Localized Segmentation	10.2312/VisSym/EuroVis07/179-186	One of the most common visualization tasks is the extraction of significant boundaries, often performed with isosurfaces or level set segmentation. Isosurface extraction is simple and can be guided by geometric and topological analysis, yet frequently does not extract the desired boundary. Level set segmentation is bet...	false	false	[ "Gunnar Johansson", "Ken Museth", "Hamish A. Carr" ]	[]	[]	[]
EuroVis	2,007	Functional Unit Maps for Data-Driven Visualization of High-Density EEG Coherence	10.2312/VisSym/EuroVis07/259-266	Synchronous electrical activity in different brain regions is generally assumed to imply functional relationships between these regions. A measure for this synchrony is electroencephalography (EEG) coherence, computed between pairs of signals as a function of frequency. Existing high-density EEG coherence visualization...	false	false	[ "Michael ten Caat", "Natasha M. Maurits", "Jos B. T. M. Roerdink" ]	[]	[]	[]
EuroVis	2,007	Grouse: Feature-Based, Steerable Graph Hierarchy Exploration	10.2312/VisSym/EuroVis07/067-074	Grouse is a feature-based approach to steerable exploration of a graph and an associated hierarchy. Steerability allows exploration to begin immediately, rather than requiring a costly layout of the entire graph as an initial step. In a feature-based approach, the subgraph inside a metanode of the graph hierarchy is la...	false	false	[ "Daniel Archambault", "Tamara Munzner", "David Auber" ]	[]	[]	[]
EuroVis	2,007	Hardware-accelerated Stippling of Surfaces derived from Medical Volume Data	10.2312/VisSym/EuroVis07/235-242	We present a fast hardware-accelerated stippling method which does not require any preprocessing for placing points on surfaces. The surfaces are automatically parameterized in order to apply stippling textures without major distortions. The mapping process is guided by a decomposition of the space in cubes. Seamless s...	false	false	[ "Alexandra Baer", "Christian Tietjen", "Ragnar Bade", "Bernhard Preim" ]	[]	[]	[]
EuroVis	2,007	Integrating Local Feature Detectors in the Interactive Visual Analysis of Flow Simulation Data	10.2312/VisSym/EuroVis07/171-178	We present smooth formulations of common vortex detectors that allow a seamless integration into the concept of interactive visual analysis of flow simulation data. We express the originally binary feature detectors as fuzzy-sets that can be combined using the linking and brushing concepts of interactive visual analysi...	false	false	[ "Raphael Buerger", "Philipp Muigg", "Martin Ilcík", "Helmut Doleisch", "Helwig Hauser" ]	[]	[]	[]
EuroVis	2,007	Interactive Visual Exploration of Unsteady 3D Flows	10.2312/VisSym/EuroVis07/251-258	In this paper we present GPU-based techniques for the interactive visualization of large unsteady 3D flow fields on uniform grids. We propose a novel dual-core approach to asynchronously stream such fields from the CPU, thus enabling the efficient exploration of large time-resolved sequences. This approach decouples vi...	false	false	[ "Kai Bürger", "Jens Schneider 0002", "Polina Kondratieva", "Jens H. Krüger", "Rüdiger Westermann" ]	[]	[]	[]
EuroVis	2,007	Interactive Visualization of Multi-Field Medical Data Using Linked Physical and Feature-Space Views	10.2312/VisSym/EuroVis07/123-130	Multi-field datasets contain multiple parameters defined over the same spatio-temporal domain. In medicine, such multi-field data is being used more often every day, and there is an urgent need for exploratory visualization approaches that are able to deal effectively with the data-analysis. In this paper, we present a...	false	false	[ "Jorik Blaas", "Charl P. Botha", "Frits H. Post" ]	[]	[]	[]
EuroVis	2,007	KeyStrokes: Personalizing Typed Text with Visualization	10.2312/VisSym/EuroVis07/043-050	With the ubiquity of typed text, the style and much of the personality of handwriting has been lost from general communication. To counter this we introduce an artistic real-time visualization of typed messages that additionally captures and encodes aspects of an individual's unique typing style. The potential of our s...	false	false	[ "Petra Neumann 0001", "Annie Tat", "Torre Zuk", "Sheelagh Carpendale" ]	[]	[]	[]
EuroVis	2,007	Manual Clustering Refinement using Interaction with Blobs	10.2312/VisSym/EuroVis07/059-066	The huge amount of different automatic clustering methods emphasizes one thing: there is no optimal clustering method for all possible cases. In certain application domains, like genomics and natural language processing, it is not even clear if any of the already known clustering methods suffice. In such cases, an auto...	false	false	[ "Christian Heine 0002", "Gerik Scheuermann" ]	[]	[]	[]
EuroVis	2,007	Model-free Surface Visualization of Vascular Trees	10.2312/VisSym/EuroVis07/283-290	Expressive and efficient visualizations of complex vascular structures are essential for medical applications, such as diagnosis and therapy planning. A variety of techniques has been developed which provide smooth high-quality visualizations of vascular structures based on rather simple model assumptions. For diagnost...	false	false	[ "Christian Schumann", "Steffen Oeltze", "Ragnar Bade", "Bernhard Preim", "Heinz-Otto Peitgen" ]	[]	[]	[]
EuroVis	2,007	Multi-Resolution Techniques for Visual Exploration of Large Time-Series Data	10.2312/VisSym/EuroVis07/027-034	Time series are a data type of utmost importance in many domains such as business management and service monitoring. We address the problem of visualizing large time-related data sets which are difficult to visualize effectively with standard techniques given the limitations of current display devices. We propose a fra...	false	false	[ "Ming C. Hao", "Umeshwar Dayal", "Daniel A. Keim", "Tobias Schreck" ]	[]	[]	[]
EuroVis	2,007	Multiresolution MIP Rendering of Large Volumetric Data Accelerated on Graphics Hardware	10.2312/VisSym/EuroVis07/243-250	This paper is concerned with a multiresolution representation for maximum intensity projection (MIP) volume rendering based on morphological pyramids which allows progressive refinement. We consider two algorithms for progressive rendering from the morphological pyramid: one which projects detail coefficients level by ...	false	false	[ "Wladimir J. van der Laan", "Andrei C. Jalba", "Jos B. T. M. Roerdink" ]	[]	[]	[]
EuroVis	2,007	Multiscale Visualization of Dynamic Software Logs	10.2312/VisSym/EuroVis07/011-018	We present a set of techniques and design principles for the visualization of large dynamic software logs consisting of attributed change events, such as obtained from instrumenting programs or mining software repositories. We enhance the visualization scalability with importance-based antialiasing techniques that guar...	false	false	[ "Sergio Moreta", "Alexandru C. Telea" ]	[]	[]	[]
EuroVis	2,007	Online Dynamic Graph Drawing	10.2312/VisSym/EuroVis07/075-082	This paper presents an algorithm for drawing a sequence of graphs online. The algorithm strives to maintain the global structure of the graph and thus the user's mental map, while allowing arbitrary modifications between consecutive layouts. The algorithm works online and uses various execution culling methods in order...	false	false	[ "Yaniv Frishman", "Ayellet Tal" ]	[ "BP" ]	[]	[]
EuroVis	2,007	Parametric Visualization of High Resolution Correlated Multi-spectral Features Using PCA	10.2312/VisSym/EuroVis07/203-210	An imaging mass spectrometer is an analytical instrument that can determine the spatial distribution of chemical compounds on complex surfaces. The output of the device is a multi-spectral datacube; a three-dimensional (3D) dataset in which the xy-dimension represents the surface position and the z-dimension represents...	false	false	[ "Alexander Broersen", "Robert van Liere", "Ron M. A. Heeren" ]	[]	[]	[]
EuroVis	2,007	Path Visualization for Adjacency Matrices	10.2312/VisSym/EuroVis07/083-090	For displaying a dense graph, an adjacency matrix is superior than a node-link diagram because it is more compact and free of visual clutter. A node-link diagram, however, is far better for the task of path finding because a path can be easily traced by following the corresponding links, provided that the links are not...	false	false	[ "Zeqian Shen", "Kwan-Liu Ma" ]	[]	[]	[]
EuroVis	2,007	Priority Streamlines: A context-based Visualization of Flow Fields	10.2312/VisSym/EuroVis07/227-234	Flow vector fields contain a wealth of information that needs to be visualized. As an extension of the well-known streamline technique, we have developed a context-based method for visualizing steady flow vector fields in two and three dimensions. We call our method "Priority Streamlines". In our approach, the density ...	false	false	[ "Michael Schlemmer", "Ingrid Hotz", "Bernd Hamann", "Florian Morr", "Hans Hagen" ]	[]	[]	[]
EuroVis	2,007	Relevance Driven Visualization of Financial Performance Measures	10.2312/VisSym/EuroVis07/019-026	Visual data analysis has received a lot of research interest in recent years, and a wide variety of new visualization techniques and applications have been developed to improve insight into the various application domains. In financial data analysis, however, analysts still primarily rely on a set of statistical perfor...	false	false	[ "Hartmut Ziegler", "Tilo Nietzschmann", "Daniel A. Keim" ]	[]	[]	[]
EuroVis	2,007	See What You Know: Analyzing Data Distribution to Improve Density Map Visualization	10.2312/VisSym/EuroVis07/163-170	Density maps allow for visually rendering density differences, usually mapping density values to a grey or color scale. The paper analyzes the drawbacks arising from the commonly used strategies and introduces a novel technique able to improve the overall mapping process. The technique is driven by statistical knowledg...	false	false	[ "Enrico Bertini", "Alessio Di Girolamo", "Giuseppe Santucci" ]	[]	[]	[]
EuroVis	2,007	Segmentation of DT-MRI Anisotropy Isosurfaces	10.2312/VisSym/EuroVis07/187-194	While isosurfaces of anisotropy measures for data from diffusion tensor magnetic resonance imaging (DT-MRI) are known to depict major anatomical structures, the anisotropy metric reduces the rich tensor data to a simple scalar field. In this work, we suggest that the part of the data which has been ignored by the metri...	false	false	[ "Thomas Schultz 0001", "Holger Theisel", "Hans-Peter Seidel" ]	[]	[]	[]
EuroVis	2,007	Sonar Explorer: A New Tool for Visualization of Fish Schools from 3D Sonar Data	10.2312/VisSym/EuroVis07/155-162	We present a novel framework for analysis and visualization of fish schools in 3D sonar surveys. The 3D sonar technology is new and there have not been applications to visualize the data in 3D. We have created an application called Sonar Explorer that satisfies the requirements of domain scientists. Sonar Explorer prov...	false	false	[ "Jean-Paul Balabanian", "Ivan Viola", "Egil Ona", "Ruben Patel", "M. Eduard Gröller" ]	[]	[]	[]
EuroVis	2,007	Story Telling for Presentation in Volume Visualization	10.2312/VisSym/EuroVis07/091-098	In this paper we present a novel approach to volume visualization for presentation purposes that improves both the comprehensibility and credibility of the intended visualization message. Therefore, we combine selected aspects from storytelling as well as from interactive volume visualization to create a guided but at ...	false	false	[ "Michael Wohlfart", "Helwig Hauser" ]	[]	[]	[]
EuroVis	2,007	Subdivision Volume Splatting	10.2312/VisSym/EuroVis07/139-146	Volumetric Subdivision (VS) is a powerful paradigm that enables volumetric sculpting and realistic volume deformations that give rise to the concept of "virtual clay". In VS, volumes are commonly represented as a space-filling set of deformed polyhedra, which can be further decomposed into a mesh of tetrahedra for rend...	false	false	[ "Kevin T. McDonnell", "Neophytos Neophytou", "Klaus Mueller 0001", "Hong Qin" ]	[]	[]	[]
EuroVis	2,007	The CoMIRVA Toolkit for Visualizing Music-Related Data	10.2312/VisSym/EuroVis07/147-154	We present CoMIRVA, which is an abbreviation for Collection of Music Information Retrieval and Visualization Applications. CoMIRVA is a Java framework and toolkit for information retrieval and visualization. It is licensed under the GNU GPL and can be downloaded from http://www.cp.jku.at/comirva/. At the moment, the ma...	false	false	[ "Markus Schedl", "Peter Knees", "Klaus Seyerlehner", "Tim Pohle" ]	[]	[]	[]
EuroVis	2,007	TrustNeighborhoods: Visualizing Trust in Distributed File Sharing Systems	10.2312/VisSym/EuroVis07/107-114	We present TrustNeighborhoods, a security trust visualization for situational awareness on the Internet aimed at novice and intermediate users of a distributed file sharing system. The TrustNeighborhoods technique uses the metaphor of a multi-layered city or fortress to intuitively represent trust as a simple geographi...	false	false	[ "Niklas Elmqvist", "Philippas Tsigas" ]	[]	[]	[]
EuroVis	2,007	Viewpoint Selection for Intervention Planning	10.2312/VisSym/EuroVis07/267-274	Viewpoint selection is crucial for medical intervention planning. The interactive exploration of a scene with 3d objects involves the systematic analysis of several anatomic structures. Viewpoint selection techniques enhance the display of the currently selected structure. For animations in collaborative intervention p...	false	false	[ "Konrad Mühler", "Mathias Neugebauer", "Christian Tietjen", "Bernhard Preim" ]	[]	[]	[]
EuroVis	2,007	Visualization Methods for Vortex Rings and Vortex Breakdown Bubbles	10.2312/VisSym/EuroVis07/211-218	Vortex breakdown bubbles are a subject which is of interest in many disciplines such as aeronautics, mixing, and combustion. Existing visualization methods are based on stream surfaces, direct volume rendering, tensor field visualization, and vector field topology. This paper presents a topological approach which is mo...	false	false	[ "Ronald Peikert", "Filip Sadlo" ]	[]	[]	[]
EuroVis	2,007	Visualization of Uncertainty in Lattices to Support Decision-Making	10.2312/VisSym/EuroVis07/051-058	Lattice graphs are used as underlying data structures in many statistical processing systems, including natural language processing. Lattices compactly represent multiple possible outputs and are usually hidden from users. We present a novel visualization intended to reveal the uncertainty and variability inherent in s...	false	false	[ "Christopher Collins 0001", "Sheelagh Carpendale", "Gerald Penn" ]	[]	[]	[]
CHI	2,007	An empirical study of the use of visually enhanced voip audio conferencing: the case of IEAC	10.1145/1240624.1240780	IBM Enhanced Audio Conferencing (IEAC) is a VoIP-based audio conferencing system that, like several other systems, provides a visualization showing who is present and their states (e.g., speaking, muted). This paper presents the first study of the use of such a system. Drawing on log files collected over six weeks of u...	false	false	[ "Xianghua Ding", "Thomas Erickson", "Wendy A. Kellogg", "Stephen Levy", "Jim Christensen", "Jeremy B. Sussman", "Tracee Vetting Wolf", "William E. Bennett" ]	[]	[]	[]
CHI	2,007	Beyond visual acuity: the perceptual scalability of information visualizations for large displays	10.1145/1240624.1240639	The scalability of information visualizations has typically been limited by the number of available display pixels. As displays become larger, the scalability limit may shift away from the number of pixels and toward human perceptual abilities. This work explores the effect of using large, high resolution displays to s...	false	false	[ "Beth Yost", "Yonca Haciahmetoglu", "Chris North 0001" ]	[]	[]	[]
CHI	2,007	CAAD: an automatic task support system	10.1145/1240624.1240731	Recent HCI research shows strong interest in task management systems (e.g. [19, 27]) that support the multi-tasked nature of information work [13]. These systems either require users to manually create and maintain task representations or they depend on explicit user cues to guide the creation and maintenance process. ...	false	false	[ "Tye Rattenbury", "John F. Canny" ]	[]	[]	[]
CHI	2,007	ExperiScope: an analysis tool for interaction data	10.1145/1240624.1240826	We present ExperiScope, an analytical tool to help designers and experimenters explore the results of quantitative evaluations of interaction techniques. ExperiScope combines a new visualization incorporating aspects of the KLM and the three-state model with an interface helping users to rapidly cluster similar pattern...	false	false	[ "François Guimbretière", "Morgan Dixon", "Ken Hinckley" ]	[]	[]	[]
CHI	2,007	FASTDash: a visual dashboard for fostering awareness in software teams	10.1145/1240624.1240823	Software developers spend significant time gaining and maintaining awareness of fellow developers' activities. FASTDash is a new interactive visualization that seeks to improve team activity awareness using a spatial representation of the shared code base that highlights team members' current activities. With FASTDash,...	false	false	[ "Jacob T. Biehl", "Mary Czerwinski", "Greg Smith", "George G. Robertson" ]	[]	[]	[]
CHI	2,007	Improving recognition and characterization in groupware with rich embodiments	10.1145/1240624.1240627	Embodiments are visual representations of people in a groupware system. Embodiments convey awareness information such as presence, location, and movement -- but they provide far less information than what is available from a real body in a face-to-face setting. As a result, it is often difficult to recognize and charac...	false	false	[ "Tadeusz Stach", "Carl Gutwin", "David Pinelle", "Pourang Irani" ]	[]	[]	[]
CHI	2,007	Let's go to the whiteboard: how and why software developers use drawings	10.1145/1240624.1240714	Software developers are rooted in the written form of their code, yet they often draw diagrams representing their code. Unfortunately, we still know little about how and why they create these diagrams, and so there is little research to inform the design of visual tools to support developers' work. This paper presents ...	false	false	[ "Mauro Cherubini", "Gina Venolia", "Robert DeLine", "Amy J. Ko" ]	[]	[]	[]
CHI	2,007	Perception of elementary graphical elements in tabletop and multi-surface environments	10.1145/1240624.1240701	Information shown on a tabletop display can appear distorted when viewed by a seated user. Even worse, the impact of this distortion is different depending on the location of the information on the display. In this paper, we examine how this distortion affects the perception of the basic graphical elements of informati...	false	false	[ "Daniel Wigdor", "Chia Shen", "Clifton Forlines", "Ravin Balakrishnan" ]	[]	[]	[]
CHI	2,007	Seconds matter: improving distributed coordination bytracking and visualizing display trajectories	10.1145/1240624.1240822	Pauses in distributed groupware activity can indicate anything from technical latency through infrastructure failure to a participant's thoughtful contemplation. Unraveling these ambiguities highlights mismatches between unseen off-screen activities and on-screen cursor behaviors. In this paper we suggest that groupwar...	false	false	[ "Mike Fraser 0001", "Michael R. McCarthy", "Muneeb Shaukat", "Phillip Smith" ]	[]	[]	[]
CHI	2,007	Senspectra: a computationally augmented physical modeling toolkit for sensing and visualization of structural strain	10.1145/1240624.1240744	We present Senspectra, a computationally augmented physical modeling toolkit designed for sensing and visualization of structural strain. Senspectra seeks to explore a new direction in computational materiality, incorporating the material quality of malleable elements of an interface into its digital control structure....	false	false	[ "Vincent Leclerc", "Amanda J. Parkes", "Hiroshi Ishii 0001" ]	[]	[]	[]
CHI	2,007	Task and social visualization in software development: evaluation of a prototype	10.1145/1240624.1240716	As open source development has evolved, differentiation of roles and increased sophistication of collaborative processes has occurred. Recently, we described coordination issues in software development and an interactive visualization tool called the Social Health Overview (SHO) developed to address them [12]. This pap...	false	false	[ "Jason B. Ellis", "Shahtab Wahid", "Catalina Danis", "Wendy A. Kellogg" ]	[]	[]	[]
CHI	2,007	Voyagers and voyeurs: supporting asynchronous collaborative information visualization	10.1145/1240624.1240781	This paper describes mechanisms for asynchronous collaboration in the context of information visualization, recasting visualizations as not just analytic tools, but social spaces. We contribute the design and implementation of sense.us, a web site supporting asynchronous collaboration across a variety of visualization ...	false	false	[ "Jeffrey Heer", "Fernanda B. Viégas", "Martin Wattenberg" ]	[]	[]	[]
CHI	2,007	White rooms and morphing don't mix: setting and the evaluation of visualization techniques	10.1145/1240624.1240640	The results presented in this paper illustrate how a specific map visualization technique is sensitive to setting: a comparative evaluation of the technique gives conflicting results depending on where it takes place. While prior research has explored the impact of factors other than basic visual perception on visualiz...	false	false	[ "Derek F. Reilly", "Kori M. Inkpen" ]	[]	[]	[]
Vis	2,006	A Generic and Scalable Pipeline for GPU Tetrahedral Grid Rendering	10.1109/TVCG.2006.110	Recent advances in algorithms and graphics hardware have opened the possibility to render tetrahedral grids at interactive rates on commodity PCs. This paper extends on this work in that it presents a direct volume rendering method for such grids which supports both current and upcoming graphics hardware architectures,...	false	false	[ "Joachim Georgii", "Rüdiger Westermann" ]	[]	[]	[]
Vis	2,006	A Novel Visualization Model for Web Search Results	10.1109/TVCG.2006.111	This paper presents an interactive visualization system, named WebSearchViz, for visualizing the Web search results and facilitating users' navigation and exploration. The metaphor in our model is the solar system with its planets and asteroids revolving around the sun. Location, color, movement, and spatial distance o...	false	false	[ "Tien Nguyen", "Jun Zhang" ]	[]	[]	[]
Vis	2,006	A Pipeline for Computer Aided Polyp Detection	10.1109/TVCG.2006.112	We present a novel pipeline for computer-aided detection (CAD) of colonic polyps by integrating texture and shape analysis with volume rendering and conformal colon flattening. Using our automatic method, the 3D polyp detection problem is converted into a 2D pattern recognition problem. The colon surface is first segme...	false	false	[ "Wei Hong 0006", "Feng Qiu", "Arie E. Kaufman" ]	[]	[]	[]
Vis	2,006	A Spectral Analysis of Function Composition and its Implications for Sampling in Direct Volume Visualization	10.1109/TVCG.2006.113	In this paper we investigate the effects of function composition in the form g(f(x)) = h(x) by means of a spectral analysis of h. We decompose the spectral description of h(x) into a scalar product of the spectral description of g(x) and a term that solely depends on f(x) and that is independent of g(x). We then use th...	false	false	[ "Steven Bergner", "Torsten Möller", "Daniel Weiskopf", "David J. Muraki" ]	[]	[]	[]
Vis	2,006	A Trajectory-Preserving Synchronization Method for Collaborative Visualization	10.1109/TVCG.2006.114	In the past decade, a lot of research work has been conducted to support collaborative visualization among remote users over the networks, allowing them to visualize and manipulate shared data for problem solving. There are many applications of collaborative visualization, such as oceanography, meteorology and medical ...	false	false	[ "Lewis W. F. Li", "Frederick W. B. Li", "Rynson W. H. Lau" ]	[]	[]	[]
Vis	2,006	Ambient Occlusion and Edge Cueing for Enhancing Real Time Molecular Visualization	10.1109/TVCG.2006.115	The paper presents a set of combined techniques to enhance the real-time visualization of simple or complex molecules (up to order of 10<sup>6</sup> atoms) space fill mode. The proposed approach includes an innovative technique for efficient computation and storage of ambient occlusion terms, a small set of...	false	false	[ "Marco Tarini", "Paolo Cignoni", "Claudio Montani" ]	[ "TT" ]	[]	[]
Vis	2,006	An Advanced Evenly-Spaced Streamline Placement Algorithm	10.1109/TVCG.2006.116	This paper presents an advanced evenly-spaced streamline placement algorithm for fast, high-quality, and robust layout of flow lines. A fourth-order Runge-Kutta integrator with adaptive step size and error control is employed for rapid accurate streamline advection. Cubic Hermite polynomial interpolation with large sam...	false	false	[ "Zhanping Liu", "Robert J. Moorhead II", "Joe Groner" ]	[]	[]	[]
Vis	2,006	An Atmospheric Visual Analysis and Exploration System	10.1109/TVCG.2006.117	Meteorological research involves the analysis of multi-field, multi-scale, and multi-source data sets. Unfortunately, traditional atmospheric visualization systems only provide tools to view a limited number of variables and small segments of the data. These tools are often restricted to 2D contour or vector plots or 3...	false	false	[ "Yuyan Song", "Jing Ye", "Nikolai A. Svakhine", "Sonia Lasher-Trapp", "Mike Baldwin", "David S. Ebert" ]	[]	[]	[]
Vis	2,006	Analyzing Complex FTMS Simulations: a Case Study in High-Level Visualization of Ion Motions	10.1109/TVCG.2006.118	Current practice in particle visualization renders particle position data directly onto the screen as points or glyphs. Using a camera placed at a fixed position, particle motions can be visualized by rendering trajectories or by animations. Applying such direct techniques to large, time dependent particle data sets of...	false	false	[ "Wojciech Burakiewicz", "Robert van Liere" ]	[]	[]	[]
Vis	2,006	Analyzing Vortex Breakdown Flow Structures by Assignment of Colors to Tensor Invariants	10.1109/TVCG.2006.119	Topological methods are often used to describe flow structures in fluid dynamics and topological flow field analysis usually relies on the invariants of the associated tensor fields. A visual impression of the local properties of tensor fields is often complex and the search of a suitable technique for achieving this i...	false	false	[ "Markus Rütten", "Min S. Chong" ]	[]	[]	[]
Vis	2,006	Asynchronous Distributed Calibration for Scalable and Reconfigurable Multi-Projector Displays	10.1109/TVCG.2006.121	Centralized techniques have been used until now when automatically calibrating (both geometrically and photometrically) large high-resolution displays created by tiling multiple projectors in a 2D array. A centralized server managed all the projectors and also the camera(s) used to calibrate the display. In this paper,...	false	false	[ "Ezekiel S. Bhasker", "Pinaki Sinha", "Aditi Majumder" ]	[]	[]	[]
Vis	2,006	Caricaturistic Visualization	10.1109/TVCG.2006.123	Caricatures are pieces of art depicting persons or sociological conditions in a non-veridical way. In both cases caricatures are referring to a reference model. The deviations from the reference model are the characteristic features of the depicted subject. Good caricatures exaggerate the characteristics of a subject i...	false	false	[ "Peter Rautek", "Ivan Viola", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,006	ClearView: An Interactive Context Preserving Hotspot Visualization Technique	10.1109/TVCG.2006.124	Volume rendered imagery often includes a barrage of 3D information like shape, appearance and topology of complex structures, and it thus quickly overwhelms the user. In particular, when focusing on a specific region a user cannot observe the relationship between various structures unless he has a mental picture of the...	false	false	[ "Jens H. Krüger", "Jens Schneider 0002", "Rüdiger Westermann" ]	[]	[]	[]
Vis	2,006	Comparative Visualization for Wave-based and Geometric Acoustics	10.1109/TVCG.2006.125	We present a comparative visualization of the acoustic simulation results obtained by two different approaches that were combined into a single simulation algorithm. The first method solves the wave equation on a volume grid based on finite elements. The second method, phonon tracing, is a geometric approach that we ha...	false	false	[ "Eduard Deines", "Martin Hering-Bertram", "Jan Mohring", "Jevgenijs Jegorovs", "Frank Michel 0001", "Hans Hagen", "Gregory M. Nielson" ]	[]	[]	[]
Vis	2,006	Composite Rectilinear Deformation for Stretch and Squish Navigation	10.1109/TVCG.2006.127	We present the first scalable algorithm that supports the composition of successive rectilinear deformations. Earlier systems that provided stretch and squish navigation could only handle small datasets. More recent work featuring rubber sheet navigation for large datasets has focused on rendering and on application-sp...	false	false	[ "James Slack", "Tamara Munzner" ]	[]	[]	[]
Vis	2,006	Concurrent Visualization in a Production Supercomputing Environment	10.1109/TVCG.2006.128	We describe a concurrent visualization pipeline designed for operation in a production supercomputing environment. The facility was initially developed on the NASA Ames "Columbia" supercomputer for a massively parallel forecast model (GEOS4). During the 2005 Atlantic hurricane season, GEOS4 was run 4 times a day under ...	false	false	[ "David Ellsworth", "Bryan Green", "Chris Henze", "Patrick J. Moran", "Timothy Sandstrom" ]	[]	[]	[]
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" ]	[]	[]	[]

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