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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	2,003	Video visualization	10.1109/VISUAL.2003.1250401	Video data, generated by the entertainment industry, security and traffic cameras, video conferencing systems, video emails, and so on, is perhaps most time-consuming to process by human beings. In this paper, we present a novel methodology for "summarizing" video sequences using volume visualization techniques. We out...	false	false	[ "Gareth Daniel", "Min Chen 0001" ]	[]	[]	[]
Vis	2,003	Visibility based methods and assessment for detail-recovery	10.1109/VISUAL.2003.1250407	In this paper we propose a new method for the creation of normal maps for recovering the detail on simplified meshes and a set of objective techniques to metrically evaluate the quality of different recovering techniques. The proposed techniques, that automatically produces a normal-map texture for a simple 3D model th...	false	false	[ "Marco Tarini", "Paolo Cignoni", "Roberto Scopigno" ]	[]	[]	[]
Vis	2,003	Visibility culling using plenoptic opacity functions for large volume visualization	10.1109/VISUAL.2003.1250391	Visibility culling has the potential to accelerate large data visualization in significant ways. Unfortunately, existing algorithms do not scale well when parallelized, and require full re-computation whenever the opacity transfer function is modified. To address these issues, we have designed a Plenoptic Opacity Funct...	false	false	[ "Jinzhu Gao", "Jian Huang 0007", "Han-Wei Shen", "James Arthur Kohl" ]	[]	[]	[]
Vis	2,003	Visualization experiences and issues in deep space exploration	10.1109/VISUAL.2003.1250430	Visualization tools play a key role in the exploration of outer space. Since it is difficult and expensive to send humans to other planets, immersive visualization of such hostile environments is as close as we will get for some time. Visualization is also used in a variety of supporting roles for deep space missions, ...	false	false	[ "John R. Wright", "Scott C. Burleigh", "Makoto Maruya", "Scott Maxwell", "René Pischel" ]	[]	[]	[]
Vis	2,003	Visualization of noisy and biased volume data using first and second order derivative techniques	10.1109/VISUAL.2003.1250397	The quality of volume visualization depends strongly on the quality of the underlying data. In virtual colonoscopy, CT data should be acquired at a low radiation dose that results in a low signal-to-noise ratio. Alternatively, MRI data is acquired without ionizing radiation, but suffers from noise and bias (global sign...	false	false	[ "Marc P. Persoon", "Iwo Serlie", "Frits H. Post", "Roel Truyen", "Frans Vos" ]	[]	[]	[]
Vis	2,003	Visualization of steep breaking waves and thin spray sheets around a ship	10.1109/VISUAL.2003.1250419	The simulation of breaking of waves, the formation of thin spray sheets, and the entertainment of air around the next generation of naval surface combatants is an ongoing 3-year Department of Defense (DoD) Challenge Project. The goal of this project is a validated computation capability to model the full hydrodynamics ...	false	false	[ "Paul Adams", "Douglas Dommermuth" ]	[]	[]	[]
Vis	2,003	Visualization of volume data with quadratic super splines	10.1109/VISUAL.2003.1250399	We develop a new approach to reconstruct non-discrete models from gridded volume samples. As a model, we use quadratic trivariate super splines on a uniform tetrahedral partition /spl Delta/. The approximating splines are determined in a natural and completely symmetric way by averaging local data samples, such that ap...	false	false	[ "Christian Rössl", "Frank Zeilfelder", "Günther Nürnberger", "Hans-Peter Seidel" ]	[]	[]	[]
Vis	2,003	Visualization, optimization, business strategy: a case study	10.1109/VISUAL.2003.1250416	We describe a visualization application intended for operational use in formulating business strategy in the customer service arena. The visualization capability provided in this application implicitly allows the user to better formulate the objective function for large optimization runs which act to minimize costs bas...	false	false	[ "Donna L. Gresh", "Eugene I. Kelton" ]	[]	[]	[]
Vis	2,003	Visualizing industrial CT volume data for nondestructive testing applications	10.1109/VISUAL.2003.1250418	This paper describes a set of techniques developed for the visualization of high-resolution volume data generated from industrial computed tomography for nondestructive testing (NDT) applications. Because the data are typically noisy and contain fine features, direct volume rendering methods do not always give us satis...	false	false	[ "Runzhen Huang", "Kwan-Liu Ma", "Patrick S. McCormick", "William Ward" ]	[]	[]	[]
Vis	2,003	Visualizing spatial and temporal variability in coastal observatories	10.1109/VISUAL.2003.1250421	In this paper, we describe a set of 3D and 4D visualization tools and techniques for CORIE, a complex environmental observation and forecasting system (EOFS) for the Columbia River. The Columbia River, a complex and highly variable estuary, is the target of numerous cross-disciplinary ecosystem research projects and is...	false	false	[ "Walter Jiménez", "Wagner Toledo Corrêa", "Cláudio T. Silva", "António M. Baptista" ]	[]	[]	[]
Vis	2,003	Visually accurate multi-field weather visualization	10.1109/VISUAL.2003.1250383	Weather visualization is a difficult problem because it comprises volumetric multi-field data and traditional surface-based approaches obscure details of the complex three-dimensional structure of cloud dynamics. Therefore, visually accurate volumetric multi-field visualization of storm scale and cloud scale data is ne...	false	false	[ "Kirk Riley", "David S. Ebert", "Charles D. Hansen", "Jason J. Levit" ]	[]	[]	[]
Vis	2,003	Volume tracking using higher dimensional isosurfacing	10.1109/VISUAL.2003.1250374	Tracking and visualizing local features from a time-varying volumetric data allows the user to focus on selected regions of interest, both in space and time, which can lead to a better understanding of the underlying dynamics. In this paper, we present an efficient algorithm to track time-varying isosurfaces and interv...	false	false	[ "Guangfeng Ji", "Han-Wei Shen", "Rephael Wenger" ]	[]	[]	[]
Vis	2,003	Voxels on fire	10.1109/VISUAL.2003.1250382	We introduce a method for the animation of fire propagation and the burning consumption of objects represented as volumetric data sets. Our method uses a volumetric fire propagation model based on an enhanced distance field. It can simulate the spreading of multiple fire fronts over a specified isosurface without actua...	false	false	[ "Ye Zhao 0004", "Xiaoming Wei", "Zhe Fan", "Arie E. Kaufman", "Hong Qin" ]	[]	[]	[]
Vis	2,003	Which comes first, usability or utility?	10.1109/VISUAL.2003.1250426	Georges Grinstein Questions often asked when presenting some new model, new theory, new research or new visualization include: How useful or how usable is it? and Have you performed any tests? Visualization is an interface technology and as such includes not just software algorithms and techniques, but computer human i...	false	false	[ "Georges G. Grinstein", "Alfred Kobsa", "Catherine Plaisant", "Ben Shneiderman", "John T. Stasko" ]	[]	[]	[]
InfoVis	2,003	A model of multi-scale perceptual organization in information graphics	10.1109/INFVIS.2003.1249005	We propose a new method for assessing the perceptual organization of information graphics, based on the premise that the visual structure of an image should match the structure of the data it is intended to convey. The core of our method is a new formal model of one type of perceptual structure, based on classical mach...	false	false	[ "Martin Wattenberg", "Danyel Fisher" ]	[]	[]	[]
InfoVis	2,003	A virtual workspace for hybrid multidimensional scaling algorithms	10.1109/INFVIS.2003.1249013	In visualising multidimensional data, it is well known that different types of algorithms to process them. Data sets might be distinguished according to volume, variable types and distribution, and each of these characteristics imposes constraints upon the choice of applicable algorithms for their visualization. Previo...	false	false	[ "Greg Ross", "Matthew Chalmers" ]	[]	[]	[]
InfoVis	2,003	An experimental evaluation of continuous semantic zooming in program visualization	10.1109/INFVIS.2003.1249021	This paper presents the results of an experiment aimed at investigating how different methods of viewing visual programs affect users' understanding. The first two methods used traditional flat and semantic zooming models of program representation; the third is a new representation that uses semantic zooming combined w...	false	false	[ "Kenneth L. Summers", "Timothy E. Goldsmith", "Steve Kubica", "Thomas P. Caudell" ]	[]	[]	[]
InfoVis	2,003	BARD: A visualization tool for biological sequence analysis	10.1109/INFVIS.2003.1249029	We present BARD (biological arc diagrams), a visualization tool for biological sequence analysis. The development of BARD began with the application of Wattenberg's arc diagrams (Wattenberg, 2002) to results from sequence analysis programs, such as BLAST (Atschul et al., 1990). In this paper, we extend the initial arc ...	false	false	[ "Rhazes Spell", "Rachael Brady", "Fred Dietrich" ]	[]	[]	[]
InfoVis	2,003	Between aesthetics and utility: designing ambient information visualizations	10.1109/INFVIS.2003.1249031	Unlike traditional information visualization, ambient information visualizations reside in the environment of the user rather than on the screen of a desktop computer. Currently, most dynamic information that is displayed in public places consists of text and numbers. We argue that information visualization can be empl...	false	false	[ "Tobias Skog", "Sara Ljungblad", "Lars Erik Holmquist" ]	[]	[]	[]
InfoVis	2,003	Causality visualization using animated growing polygons	10.1109/INFVIS.2003.1249025	We present Growing Polygons, a novel visualization technique for the graphical representation of causal relations and information flow in a system of interacting processes. Using this method, individual processes are displayed as partitioned polygons with color-coded segments showing dependencies to other processes. Th...	false	false	[ "Niklas Elmqvist", "Philippas Tsigas" ]	[]	[]	[]
InfoVis	2,003	Compound brushing	10.1109/INFVIS.2003.1249024	This paper proposes a conceptual model called compound brushing for modeling the brushing techniques used in dynamic data visualization. In this approach, brushing techniques are modeled as higraphs with five types of basic entities: data, selection, device, renderer, and transformation. Using this model, a flexible vi...	false	false	[ "Hong Chen" ]	[]	[]	[]
InfoVis	2,003	Constant density displays using diversity sampling	10.1109/INFVIS.2003.1249019	The Informedia Digital Video Library user interface summarizes query results with a collage of representative keyframes. We present a user study in which keyframe occlusion caused difficulties. To use the screen space most efficiently to display images, both occlusion and wasted whitespace should be minimized. Thus opt...	false	false	[ "Mark Derthick", "Michael G. Christel", "Alex Hauptmann 0001", "Howard D. Wactlar" ]	[]	[]	[]
InfoVis	2,003	Conveying shape with texture: an experimental investigation of the impact of texture type on shape categorization judgments	10.1109/INFVIS.2003.1249022	As visualization researchers, we are interested in gaining a better understanding of how to effectively use texture to facilitate shape perception. If we could design the ideal texture pattern to apply to an arbitrary smoothly curving shape to be most accurately and effectively perceived, what would the characteristics...	false	false	[ "Sunghee Kim", "Haleh Hagh-Shenas", "Victoria Interrante" ]	[]	[]	[]
InfoVis	2,003	Coordinated graph and scatter-plot views for the visual exploration of microarray time-series data	10.1109/INFVIS.2003.1249023	Microarrays are relatively new, high-throughput data acquisition technology for investigating biological phenomena at the micro-level. One of the more common procedures for microarray experimentation is that of the microarray time-course experiment. The product of microarray time-course experiment is time-series data, ...	false	false	[ "Paul Craig", "Jessie Kennedy" ]	[]	[]	[]
InfoVis	2,003	Design choices when architecting visualizations	10.1109/INFVIS.2003.1249007	In this paper, we focus on some of the key design decisions we faced during the process of architecting a visualization system and present some possible choices, with their associated advantages and disadvantages. We frame this discussion within the context of Rivet, our general visualization environment designed for r...	false	false	[ "Diane Tang", "Chris Stolte", "Robert P. Bosch Jr." ]	[]	[]	[]
InfoVis	2,003	Developing architectural lighting representations	10.1109/INFVIS.2003.1249032	This paper reports on the development of a visualization system for architectural lighting designers. It starts by motivating the problem as both complex in its physics and social organization. Three iterations of prototypes for displaying time and space varying phenomena are discussed. Fieldwork is presented to identi...	false	false	[ "Daniel C. Glaser", "Roger Tan", "John F. Canny", "Ellen Yi-Luen Do" ]	[]	[]	[]
InfoVis	2,003	Dynamic visualization of transient data streams	10.1109/INFVIS.2003.1249014	We introduce two dynamic visualization techniques using multidimensional scaling to analyze transient data streams such as newswires and remote sensing imagery. While the time-sensitive nature of these data streams requires immediate attention in many applications, the unpredictable and unbounded characteristics of thi...	false	false	[ "Pak Chung Wong", "Harlan Foote", "Dan Adams", "Wendy Cowley", "James J. Thomas" ]	[]	[]	[]
InfoVis	2,003	Edgelens: an interactive method for managing edge congestion in graphs	10.1109/INFVIS.2003.1249008	An increasing number of tasks require people to explore, navigate and search extremely complex data sets visualized as graphs. Examples include electrical and telecommunication networks, Web structures, and airline routes. The problem is that graphs of these real world data sets have many interconnected nodes, ultimate...	false	false	[ "Nelson Wong", "Sheelagh Carpendale", "Saul Greenberg" ]	[]	[]	[]
InfoVis	2,003	Empirical comparison of dynamic query sliders and brushing histograms	10.1109/INFVIS.2003.1249020	Dynamic queries facilitate rapid exploration of information by real-time visual display of both query formulation and results. Dynamic query sliders are linked to the main visualization to filter data. A common alternative to dynamic queries is to link several simple visualizations, such as histograms, to the main visu...	false	false	[ "Qing Li", "Chris North 0001" ]	[]	[]	[]
InfoVis	2,003	Exploding the frame: designing for wall-size computer displays	10.1109/INFVIS.2003.1249002	High-resolution wall-size digital displays present significant new and different visual space to show and see imagery. The author has been working with two wall-size digital displays at Princeton University for five years and directing and producing IMAX films for a decade, and he has noted some unique design considera...	false	false	[ "Ben Shedd" ]	[]	[]	[]
InfoVis	2,003	Exploring high-D spaces with multiform matrices and small multiples	10.1109/INFVIS.2003.1249006	We introduce an approach to visual analysis of multivariate data that integrates several methods from information visualization, exploratory data analysis (EDA), and geovisualization. The approach leverages the component-based architecture implemented in GeoVISTA Studio to construct a flexible, multiview, tightly (but ...	false	false	[ "Alan M. MacEachren", "Xiping Dai", "Frank Hardisty", "Diansheng Guo", "Eugene Lengerich" ]	[]	[]	[]
InfoVis	2,003	FundExplorer: supporting the diversification of mutual fund portfolios using context treemaps	10.1109/INFVIS.2003.1249027	An equity mutual fund is a financial instrument that invests in a set of stocks. Any two different funds may partially invest in some of the same stocks, thus overlap is common. Portfolio diversification aims at spreading an investment over many different stocks in search of greater returns. Helping people with portfol...	false	false	[ "Christoph Csallner", "Marcus Handte", "Othmar Lehmann", "John T. Stasko" ]	[]	[]	[]
InfoVis	2,003	IEEE Symposium on Information Visualization 2003 (IEEE Cat. No.03TH8714)	10.1109/INFVIS.2003.1249000	The following topics are dealt with: computer displays; multiscaling; graphs; high dimensionality; occlusion; visualization evaluation; linking and design studies.	false	false	[ "Tamara Munzner", "Steven C. North" ]	[]	[]	[]
InfoVis	2,003	Improving Hybrid MDS with Pivot-Based Searching	10.1109/INFVIS.2003.1249012	An algorithm is presented for the visualization of multidimensional abstract data, building on a hybrid model introduced at Info Vis 2002. The most computationally complex stage of the original model involved performing a nearest-neighbour search for every data item. The complexity of this phase has been reduced by tre...	false	false	[ "Alistair Morrison", "Matthew Chalmers" ]	[]	[]	[]
InfoVis	2,003	Information esthetics: from MoMa to wall street	10.1109/INFVIS.2003.1249003	My after-dinner talk has the goal of being a visual dessert, showing some of the information designs and explorations that I've put together in the last twenty years as a practicing designer and more recently, as an artist. I'll show the ones that people reacted to most strongly; partly to soothe and entertain, but par...	false	false	[ "W. Bradford Paley" ]	[]	[]	[]
InfoVis	2,003	Intelligently resolving point occlusion	10.1109/INFVIS.2003.1249018	Large and high-dimensional data sets mapped to low-dimensional visualizations often result in perceptual ambiguities. One such ambiguity is overlap or occlusion that occurs when the number of records exceeds the number of unique locations in the presentation or when there exist two or more records that map to the same ...	false	false	[ "Marjan Trutschl", "Georges G. Grinstein", "Urska Cvek" ]	[]	[]	[]
InfoVis	2,003	Interactive hierarchical dimension ordering, spacing and filtering for exploration of high dimensional datasets	10.1109/INFVIS.2003.1249015	Large number of dimensions not only cause clutter in multi-dimensional visualizations, but also make it difficult for users to navigate the data space. Effective dimension management, such as dimension ordering, spacing and filtering, is critical for visual exploration of such datasets. Dimension ordering and spacing e...	false	false	[ "Jing Yang 0001", "Wei Peng", "Matthew O. Ward", "Elke A. Rundensteiner" ]	[ "TT" ]	[]	[]
InfoVis	2,003	Mapping nominal values to numbers for effective visualization	10.1109/INFVIS.2003.1249016	Data sets with a large number of nominal variables, some with high cardinality, are becoming increasingly common and need to be explored. Unfortunately, most existing visual exploration displays are designed to handle numeric variables only. When importing data sets with nominal values into such visualization tools, mo...	false	false	[ "Geraldine E. Rosario", "Elke A. Rundensteiner", "David C. Brown", "Matthew O. Ward" ]	[]	[]	[]
InfoVis	2,003	MoireGraphs: radial focus+context visualization and interaction for graphs with visual nodes	10.1109/INFVIS.2003.1249009	Graph and tree visualization techniques enable interactive exploration of complex relations while communicating topology. However, most existing techniques have not been designed for situations where visual information such as images is also present at each node and must be displayed. This paper presents MoireGraphs to...	false	false	[ "T. J. Jankun-Kelly", "Kwan-Liu Ma" ]	[]	[]	[]
InfoVis	2,003	Multiscale Visualization of Small World Networks	10.1109/INFVIS.2003.1249011	Many networks under study in information visualization are "small world" networks. These networks first appeared in the study of social networks and were shown to be relevant models in other application domains such as software reverse engineering and biology. Furthermore, many of these networks actually have a multisc...	false	false	[ "David Auber", "Yves Chiricota", "Fabien Jourdan", "Guy Melançon" ]	[]	[]	[]
InfoVis	2,003	Smooth and efficient zooming and panning	10.1109/INFVIS.2003.1249004	Large 2D information spaces, such as maps, images, or abstract visualizations, require views at various level of detail: close ups to inspect details, overviews to maintain (literally) an overview. Users often switch between these views. We discuss how smooth animations from one view to another can be defined. To this ...	false	false	[ "Jarke J. van Wijk", "Wim A. A. Nuij" ]	[ "BP" ]	[]	[]
InfoVis	2,003	Thinking with visualization	10.1109/INFVIS.2003.1249001	Visualizations help us to solve problems by finding patterns in graphical displays of data. For example, finding a pattern of highly connected components in a node link diagram can help us understand the architecture of a software system. Finding a long, red, fairly straight line on a map can show us the best way of dr...	false	false	[ "Colin Ware" ]	[]	[]	[]
InfoVis	2,003	Thread Arcs: an email thread visualization	10.1109/INFVIS.2003.1249028	This paper describes Thread Arcs, a novel interactive visualization technique designed to help people use threads found in email. Thread Arcs combine the chronology of messages with the branching tree structure of a conversational thread in a mixed-model visualization by Venolia and Neustaedter (2003) that is stable an...	false	false	[ "Bernard Kerr" ]	[]	[]	[]
InfoVis	2,003	Using multilevel call matrices in large software projects	10.1109/INFVIS.2003.1249030	Traditionally, node link diagrams are the prime choice when it comes to visualizing software architectures. However, node link diagrams often fall short when used to visualize large graph structures. In this paper we investigate the use of call matrices as visual aids in the management of large software projects. We ar...	false	false	[ "Frank van Ham" ]	[]	[]	[]
InfoVis	2,003	Visualization of Labeled Data Using Linear Transformation	10.1109/INFVIS.2003.1249017	We present a novel family of data-driven linear transformations, aimed at visualizing multivariate data in a low-dimensional space in a way that optimally preserves the structure of the data. The well-studied PCA and Fisher's LDA (linear discriminant analysis) are shown to be special members in this family of transform...	false	false	[ "Yehuda Koren", "Liran Carmel" ]	[]	[]	[]
InfoVis	2,003	Visualization of large-scale customer satisfaction surveys using a parallel coordinate tree	10.1109/INFVIS.2003.1249026	Satisfaction surveys are an important measurement tool in fields such as market research or human resources management. Serious studies consist of numerous questions and contain answers from large population samples. Aggregation on both sides, the questions asked as well as the answers received, turns the multidimensio...	false	false	[ "Dominique Brodbeck", "Luc Girardin" ]	[]	[]	[]
InfoVis	2,003	Visualizing evolving networks: minimum spanning trees versus pathfinder networks	10.1109/INFVIS.2003.1249010	Network evolution is an ubiquitous phenomenon in a wide variety of complex systems. There is an increasing interest in statistically modeling the evolution of complex networks such as small-world networks and scale-free networks. In this article, we address a practical issue concerning the visualizations of co-citation...	false	false	[ "Chaomei Chen", "Steven A. Morris" ]	[]	[]	[]
EuroVis	2,003	A Robust Level-Set Algorithm for Centerline Extraction	10.2312/VisSym/VisSym03/185-194	We present a robust method for extracting 3D centerlines from volumetric datasets. We start from a 2D skeletonization method to locate voxels centered with respect to three orthogonal slicing directions. Next, we introduce a new detection criterion to extract the centerline voxels from the above skeletons, followed by ...	false	false	[ "Alexandru C. Telea", "Anna Vilanova" ]	[]	[]	[]
EuroVis	2,003	Accelerated Force Computation for Physics-Based Information Visualization	10.2312/VisSym/VisSym03/059-066	Visualization of similarity is an emerging technique for analyzing relation-based data sets. A common way of computing the respective layouts in an information space is to employ a physics-based mass-spring system. Force computation, however, is costly and of order N2. In this paper, we propose a new acceleration metho...	false	false	[ "Ming C. Hao", "Umeshwar Dayal", "Daniel Cotting", "Thomas Holenstein", "Markus H. Gross" ]	[]	[]	[]
EuroVis	2,003	Adaptive Smooth Scattered Data Approximation for Large-scale Terrain Visualization	10.2312/VisSym/VisSym03/177-184	We present a fast method that adaptively approximates large-scale functional scattered data sets with hierarchical B-splines. The scheme is memory efficient, easy to implement and produces smooth surfaces. It combines adaptive clustering based on quadtrees with piecewise polynomial least squares approximations. The res...	false	false	[ "Martin Bertram 0001", "Xavier Tricoche", "Hans Hagen" ]	[]	[]	[]
EuroVis	2,003	Analysis of HDAF for Interpolation and Noise Suppression in Volume Rendering	10.2312/VisSym/VisSym03/095-104	In this paper, we evaluate the HDAF (Hermite Distributed Approximating Functionals) family of interpolation and derivative functions, with respect to their accuracy for reliable volume rendering, and compare them with other interpolation and derivative estimation filters. We utilize several different evaluation methods...	false	false	[ "K. Anderson", "Ioannis A. Kakadiaris", "Manos Papadakis", "Donald J. Kouri", "David K. Hoffman" ]	[]	[]	[]
EuroVis	2,003	Anti-Aliased Volume Extraction	10.2312/VisSym/VisSym03/113-122	We present a technique to extract regions from a volumetric dataset without introducing any aliasing so that the extracted volume can be explored using direct volume rendering techniques. Extracting regions using binary masks generated by contemporary segmentation approaches typically introduces aliasing at the boundar...	false	false	[ "Sarang Lakare", "Arie E. Kaufman" ]	[]	[]	[]
EuroVis	2,003	Case Study: Cellar Scaffold Extraction Using Crest Point for Volume Rendering	10.2312/VisSym/VisSym03/123-128	null	false	false	[ "Jiuxiang Hu", "D. Page Baluch", "Anshuman Razdan", "Gregory M. Nielson", "Gerald E. Farin", "David G. Capco" ]	[]	[]	[]
EuroVis	2,003	Case Study: Comparing Two Methods for Filtering External Motion in 4D Confocal Microscopy Data	10.2312/VisSym/VisSym03/129-134	null	false	false	[ "Wim C. de Leeuw", "Robert van Liere" ]	[]	[]	[]
EuroVis	2,003	Contouring Curved Quadratic Elements	10.2312/VisSym/VisSym03/167-176	We show how to extract a contour line (or isosurface) from quadratic elements---specifically from quadratic triangles and tetrahedra. We also devise how to transform the resulting contour line (or surface) into a quartic curve (or surface) based on a curved-triangle (curved-tetrahedron) mapping. A contour in a bivariat...	false	false	[ "David F. Wiley", "Henry R. Childs", "Benjamin F. Gregorski", "Bernd Hamann", "Kenneth I. Joy" ]	[]	[]	[]
EuroVis	2,003	Detecting Critical Regions in Scalar Fields	10.2312/VisSym/VisSym03/085-094	Trivariate data is commonly visualized using isosurfaces or direct volume rendering. When exploring scalar fields by isosurface extraction it is often difficult to choose isovalues that convey "useful" information. The significance of visualizations using direct volume rendering depends on the choice of good transfer f...	false	false	[ "Gunther H. Weber", "Gerik Scheuermann", "Bernd Hamann" ]	[]	[]	[]
EuroVis	2,003	Detection of constrictions on closed polyhedral surfaces	10.2312/VisSym/VisSym03/067-074	We define constrictions on a surface as simple closed geodesic curves, i.e. curves whose length is locally minimal. They can be of great interests in order to cut the surface in smaller parts. In this paper, we present a method to detect constrictions on closed triangulated surfaces. Our algorithm is based on a progres...	false	false	[ "Franck Hétroy", "Dominique Attali" ]	[]	[]	[]
EuroVis	2,003	Efficient Visualization of Large Medical Image Datasets on Standard PC Hardware	10.2312/VisSym/VisSym03/135-140	Fast and accurate algorithms for medical image processing and visualization are becoming increasingly important due to routine acquisition and processing of rapidly growing amounts of data in clinical practice. At the same time, standard computer hardware is becoming sufficiently powerful to be used in applications whi...	false	false	[ "Vladimir Pekar", "Daniel Hempel", "Gundolf Kiefer", "Marc Busch", "Jürgen Weese" ]	[]	[]	[]
EuroVis	2,003	Feature Flow Fields	10.2312/VisSym/VisSym03/141-148	Feature tracking algorithms for instationary vector fields are usually based on a correspondence analysis of the features at different time steps. This paper introduces a method for feature tracking which is based on the integration of stream lines of a certain vector field called feature flow field. We analyze for whi...	false	false	[ "Holger Theisel", "Hans-Peter Seidel" ]	[]	[]	[]
EuroVis	2,003	Hardware-assisted View-dependent Isosurface Extraction using Spherical Partition	10.2312/VisSym/VisSym03/267-276	Extracting only the visible portion of an isosurface can improve both the computation efficiency and the rendering speed. However, the visibility test overhead can be quite high for large scale data sets. In this paper, we present a view-dependent isosurface extraction algorithm utilizing occlusion query hardware to ac...	false	false	[ "Jinzhu Gao", "Han-Wei Shen" ]	[]	[]	[]
EuroVis	2,003	Hierarchical Isosurface Segmentation Based on Discrete Curvature	10.2312/VisSym/VisSym03/249-258	A high-level approach to describe the characteristics of a surface is to segment it into regions of uniform curvature behavior and construct an abstract representation given by a (topology) graph. We propose a surface segmentation method based on discrete mean and Gaussian curvature estimates. The surfaces are obtained...	false	false	[ "Fabien Vivodtzev", "Lars Linsen", "Georges-Pierre Bonneau", "Bernd Hamann", "Kenneth I. Joy", "Bruno A. Olshausen" ]	[]	[]	[]
EuroVis	2,003	Improving Topological Segmentation of Three-dimensional Vector Fields	10.2312/VisSym/VisSym03/203-212	We present three enhancements to accelerate the extraction of separatrices of three-dimensional vector fields, using intelligently selected "sample" streamlines. These enhancements reduce the number of needed sample streamlines and their propagation length. Inflow/outflow matching supports the simultaneous extraction o...	false	false	[ "Karim Mahrous", "Janine Bennett", "Bernd Hamann", "Kenneth I. Joy" ]	[]	[]	[]
EuroVis	2,003	Interaction of Light and Tensor Fields	10.2312/VisSym/VisSym03/157-166	We present three new ways of looking at tensor volumes. All three methods are based on the interaction of simulated light and the tensor field. Conceptually, rays are shot from a certain direction into the tensor volume. These rays are influenced by the surrounding tensor field and bent as they traverse through the vol...	false	false	[ "Xiaoqiang Zheng", "Alex Pang" ]	[]	[]	[]
EuroVis	2,003	Interactive Feature Specification for Focus+Context Visualization of Complex Simulation Data	10.2312/VisSym/VisSym03/239-248	Visualization of high-dimensional, large data sets, resulting from computational simulation, is one of the most challenging fields in scientific viualization. When visualization aims at supporting the analysis of such data sets, feature-based approches are very useful to reduce the amount of data which is shown at each...	false	false	[ "Helmut Doleisch", "Martin Gasser", "Helwig Hauser" ]	[]	[]	[]
EuroVis	2,003	ISOSLIDER: A System for Interactive Exploration of Isosurfaces	10.2312/VisSym/VisSym03/259-266	We present ISOSLIDER, a system for interactive exploration of isosurfaces of a scalar field. Our algorithm focuses on fast update of isosurfaces for interactive display as a user makes small changes to the isovalue of the desired surface. We exploit the coherence of this update. Larger changes are supported as well. Th...	false	false	[ "Jatin Chhugani", "Sudhir Vishwanath", "Jonathan D. Cohen 0001", "Subodh Kumar 0001" ]	[]	[]	[]
EuroVis	2,003	Isosurfaces on Optimal Regular Samples	10.2312/VisSym/VisSym03/039-048	Volumetric samples on Cartesian lattices are less efficient than samples on body-centred cubic (BCC) lattices. We show how to construct isosurfaces on BCC lattices using several different algorithms. Since the mesh that arises from BCC lattices involves a large number of cells, we show two alternate methods of reducing...	false	false	[ "Hamish A. Carr", "Thomas Theußl", "Torsten Möller" ]	[]	[]	[]
EuroVis	2,003	MCMR: A Fluid View on Time Dependent Volume Data	10.2312/VisSym/VisSym03/149-156	Mass Conservative Motion Reconstruction is a new method for estimating motion in time dependent volume data. A time dependent vector field representing the movement of the data is computed from a sequence of scalar volume data sets. The principle of mass conservation in a continuum is used during the reconstruction. St...	false	false	[ "Wim C. de Leeuw", "Robert van Liere" ]	[]	[]	[]
EuroVis	2,003	Path Seeds and Flexible Isosurfaces - Using Topology for Exploratory Visualization	10.2312/VisSym/VisSym03/049-058	Morse theory and the Reeb graph give topological summaries of the behaviour of continuous scalar functions. The contour tree augments the Reeb graph for the isosurfaces in a volume to store seed sets, which are starting points for extracting isosurfaces by the continuation method. We replace the minimal seed sets of va...	false	false	[ "Hamish A. Carr", "Jack Snoeyink" ]	[]	[]	[]
EuroVis	2,003	Post-convolved Splatting	10.2312/VisSym/VisSym03/223-230	One of the most expensive operations in volume rendering is the interpolation of samples in volume space. The number of samples, in turn, depends on the resolution of the final image. Hence, viewing the volume at high magnification will incur heavy computation. In this paper, we explore an approach that limits the numb...	false	false	[ "Neophytos Neophytou", "Klaus Mueller 0001" ]	[]	[]	[]
EuroVis	2,003	Rendering Vector Data over Global, Multiresolution 3D Terrain	10.2312/VisSym/VisSym03/213-222	Modern desktop PCs are capable of taking 2D Geographic Information System (GIS) applications into the realm of interactive 3D virtual worlds. In prior work we developed and presented graphics algorithms and data management methods for interactive viewing of a 3D global terrain system for desktop and virtual reality sys...	false	false	[ "Zachary Wartell", "Eunjung Kang", "Tony Wasilewski", "William Ribarsky", "Nickolas Faust" ]	[]	[]	[]
EuroVis	2,003	ShellSplatting: Interactive Rendering of Anisotropic Volumes	10.2312/VisSym/VisSym03/105-112	This work presents an extension of shell rendering that is moreflexible and yields higher quality volume renderings. Shell rendering consists of efficient data-structures and methods to manipulate and render structures with non-precise boundaries in volume data. We have updated these algorithms by creating an implement...	false	false	[ "Charl P. Botha", "Frits H. Post" ]	[]	[]	[]
EuroVis	2,003	Shrouds: Optimal Separating Surfaces for Enumerated Volumes	10.2312/VisSym/VisSym03/075-084	We describe new techniques for computing a smooth triangular mesh surface that surrounds an enumerated volume consisting of a collection of points from a 3D rectilinear grid. The surface has the topology of an isosurface computed by a marching cubes method applied to a field function that has the value one at the point...	false	false	[ "Gregory M. Nielson", "Gary Graf", "Ryan Holmes", "Adam Huang", "Mariano Phielipp" ]	[]	[]	[]
EuroVis	2,003	Smart Hardware-Accelerated Volume Rendering	10.2312/VisSym/VisSym03/231-238	For volume rendering of regular grids the display of view-plane aligned slices has proven to yield both good quality and performance. In this paper we demonstrate how to merge the most important extensions of the original 3D slicing approach, namely the pre-integration technique, volumetric clipping, and advanced light...	false	false	[ "Stefan Röttger", "Stefan Guthe", "Daniel Weiskopf", "Thomas Ertl", "Wolfgang Straßer" ]	[]	[]	[]
EuroVis	2,003	Using Graphs for Fast Error Term Approximation of Time-varying Datasets	10.2312/VisSym/VisSym03/009-018	We present a method for the efficient computation and storage of approximations of error tables used for error estimation of a region between different time steps in time-varying datasets. The error between two time steps is defined as the distance between the data of these time steps. Error tables are used to look up ...	false	false	[ "Christof Nuber", "Eric LaMar", "Valerio Pascucci", "Bernd Hamann", "Kenneth I. Joy" ]	[]	[]	[]
EuroVis	2,003	Vector field visualization using Markov Random Field texture synthesis	10.2312/VisSym/VisSym03/195-202	Vector field visualization aims at generating images in order to convey the information existing in the data. We use Markov Random Field (MRF) texture synthesis methods to generate the visualization from a set of sample textures. MRF texture synthesis methods allow generating images that are locally similar to a given ...	false	false	[ "Francesca Taponecco", "Marc Alexa" ]	[]	[]	[]
EuroVis	2,003	Visual Hierarchical Dimension Reduction for Exploration of High Dimensional Datasets	10.2312/VisSym/VisSym03/019-028	Traditional visualization techniques for multidimensional data sets, such as parallel coordinates, glyphs, and scatterplot matrices, do not scale well to high numbers of dimensions. A common approach to solving this problem is dimensionality reduction. Existing dimensionality reduction techniques usually generate lower...	false	false	[ "Jing Yang 0001", "Matthew O. Ward", "Elke A. Rundensteiner", "Shiping Huang" ]	[]	[]	[]
EuroVis	2,003	Visualizing Spatial Distribution Data Sets	10.2312/VisSym/VisSym03/029-038	null	false	false	[ "Alison Luo", "David L. Kao", "Jennifer L. Dungan", "Alex Pang" ]	[]	[]	[]
CHI	2,003	Designing novel interactional workspaces to support face to face consultations	10.1145/642611.642623	This paper describes the design and deployment of a novel interactional workspace, intended to provide more effective support for face-to-face consultations between two parties. We focus on the initial consultations between customer and agent that take place during the development of complex products. Findings from an ...	false	false	[ "Tom Rodden", "Yvonne Rogers", "John Halloran 0001", "Ian Taylor" ]	[]	[]	[]
CHI	2,003	Halo: a technique for visualizing off-screen objects	10.1145/642611.642695	As users pan and zoom, display content can disappear into off-screen space, particularly on small-screen devices. The clipping of locations, such as relevant places on a map, can make spatial cognition tasks harder. Halo is a visualization technique that supports spatial cognition by showing users the location of off-s...	false	false	[ "Patrick Baudisch", "Ruth Rosenholtz" ]	[]	[]	[]
CHI	2,003	Recommending collaboration with social networks: a comparative evaluation	10.1145/642611.642714	Studies of information seeking and workplace collaboration often find that social relationships are a strong factor in determining who collaborates with whom. Social networks provide one means of visualizing existing and potential interaction in organizational settings. Groupware designers are using social networks to ...	false	false	[ "David W. McDonald" ]	[]	[]	[]
CHI	2,003	Understanding sequence and reply relationships within email conversations: a mixed-model visualization	10.1145/642611.642674	It has been proposed that email clients could be improved if they presented messages grouped into conversations. An email conversation is the tree of related messages that arises from the use of the reply operation. We propose two models of conversation. The first model characterizes a conversation as a chronological s...	false	false	[ "Gina Danielle Venolia", "Carman Neustaedter" ]	[]	[]	[]
Vis	2,002	A case study in selective visualization of unsteady 3D flow	10.1109/VISUAL.2002.1183821	In this case study, we explore techniques for the purpose of visualizing isolated flow structures in time-dependent data. Our primary industrial application is the visualization of the vortex rope, a rotating helical structure which builds up in the draft tube of a water turbine. The vortex rope can be characterized by...	false	false	[ "Dirk Bauer", "Ronald Peikert", "Mie Sato", "Mirjam Sick" ]	[]	[]	[]
Vis	2,002	A case study on automatic camera placement and motion for visualizing historical data	10.1109/VISUAL.2002.1183826	In this paper, we address the problem of automatic camera positioning and automatic camera path generation in the context of historical data visualization. After short description of the given data, we elaborate on the constraints for the positioning of a virtual camera in such a way that not only the projected area is...	false	false	[ "Stanislav L. Stoev", "Wolfgang Straßer" ]	[]	[]	[]
Vis	2,002	A case study on multiresolution visualization of local rainfall from weather radar measurements	10.1109/VISUAL.2002.1183823	Weather radars can measure the backscatter from rain drops in the atmosphere. A complete radar scan provides three-dimensional precipitation information. For the understanding of the underlying atmospheric processes interactive visualization of these data sets is necessary. This is a challenging task due to the size, s...	false	false	[ "Thomas Gerstner", "Dirk Meetschen", "Susanne Crewell", "Michael Griebel", "Clemens Simmer" ]	[]	[]	[]
Vis	2,002	A case study on the applications of a generic library for low-cost polychromatic passive stereo	10.1109/VISUAL.2002.1183829	Active stereo has been used by engineers and industrial designers for several years to enhance the perception of computer generated three-dimensional images. Unfortunately, active stereo requires specialized hardware. Therefore, as ubiquitous computing and teleworking gain importance, using active stereo becomes a prob...	false	false	[ "Simon Stegmaier", "Dirc Rose", "Thomas Ertl" ]	[]	[]	[]
Vis	2,002	A model for the visualization exploration process	10.1109/VISUAL.2002.1183791	The current state of the art in visualization research places strong emphasis on different techniques to derive insight from disparate types of data. However, little work has investigated the visualization process itself. The information content of the visualization process - the results, history, and relationships bet...	false	false	[ "T. J. Jankun-Kelly", "Kwan-Liu Ma", "Michael Gertz 0001" ]	[]	[]	[]
Vis	2,002	A multiphase approach to efficient surface simplification	10.1109/VISUAL.2002.1183765	We present a new multiphase method for efficiently simplifying polygonal surface models of arbitrary size. It operates by combining an initial out-of-core uniform clustering phase with a subsequent in-core iterative edge contraction phase. These two phases are both driven by quadric error metrics, and quadrics are used...	false	false	[ "Michael Garland", "Eric Shaffer" ]	[]	[]	[]
Vis	2,002	A new object-order ray-casting algorithm	10.1109/VISUAL.2002.1183776	Many direct volume rendering algorithms have been proposed during the last decade to render 256/sup 3/ voxels interactively. However a lot of limitations are inherent to all of them, like low-quality images, a small viewport size or a fixed classification. In contrast, interactive high quality algorithms are still a ch...	false	false	[ "Benjamin Mora", "Jean-Pierre Jessel", "René Caubet" ]	[]	[]	[]
Vis	2,002	A radial focus+context visualization for multi-dimensional functions	10.1109/VISUAL.2002.1183806	The analysis of multidimensional functions is important in many engineering disciplines, and poses a major problem as the number of dimensions increases. Previous visualization approaches focus on representing three or fewer dimensions at a time. This paper presents a new focus+context visualization that provides an in...	false	false	[ "Sanjini Jayaraman", "Chris North 0001" ]	[]	[]	[]
Vis	2,002	Approximating normals for marching cubes applied to locally supported isosurfaces	10.1109/VISUAL.2002.1183808	We present some new methods for computing estimates of normal vectors at the vertices of a triangular mesh surface approximation to an isosurface which has been computed by the marching cube algorithm. These estimates are required for the smooth rendering of triangular mesh surfaces. The conventional method of computin...	false	false	[ "Gregory M. Nielson", "Adam Huang", "Steve Sylvester" ]	[]	[]	[]
Vis	2,002	Assisted navigation for large information spaces	10.1109/VISUAL.2002.1183803	This paper presents a new technique for visualizing large, complex collections of data. The size and dimensionality of these datasets make them challenging to display in an effective manner. The images must show the global structure of spatial relationships within the dataset, yet at the same time accurately represent ...	false	false	[ "Brent M. Dennis", "Christopher G. Healey" ]	[]	[]	[]
Vis	2,002	BLIC: Bi-Level Isosurface Compression	10.1109/VISUAL.2002.1183807	In this paper we introduce a new and simple algorithm to compress isosurface data. This is the data extracted by isosurface algorithms from scalar functions defined on volume grids, and used to generate polygon meshes or alternative representations. In this algorithm the mesh connectivity and a substantial proportion o...	false	false	[ "Gabriel Taubin" ]	[]	[]	[]
Vis	2,002	BM3D: motion estimation in time dependent volume data	10.1109/VISUAL.2002.1183804	This paper describes BM3D: a method for the analysis of motion in time dependent volume data. From a sequence of volume data sets a sequence of vector data sets representing the movement of the data is computed. A block matching technique is used for the reconstruction of data movement. The derived vector field can be ...	false	false	[ "Wim C. de Leeuw", "Robert van Liere" ]	[]	[]	[]
Vis	2,002	Bounded-distortion piecewise mesh parameterization	10.1109/VISUAL.2002.1183795	Many computer graphics operations, such as texture mapping, 3D painting, remeshing, mesh compression, and digital geometry processing, require finding a low-distortion parameterization for irregular connectivity triangulations of arbitrary genus 2-manifolds. This paper presents a simple and fast method for computing pa...	false	false	[ "Olga Sorkine-Hornung", "Daniel Cohen-Or", "Rony Goldenthal", "Dani Lischinski" ]	[]	[]	[]
Vis	2,002	Case study on the adaptation of interactive visualization applications to Web-based production for operational mesoscale weather models	10.1109/VISUAL.2002.1183827	Visualization is required for the effective utilization of data from a weather simulation. Appropriate mapping of user goals to the design of pictorial content has been useful in the development of interactive applications with sufficient bandwidth for timely access to the model data. When remote access to the model vi...	false	false	[ "Lloyd Treinish" ]	[]	[]	[]
Vis	2,002	Case study: A look of performance expression	10.1109/VISUAL.2002.1183815	For most of the time, we enjoy and appreciate music performances as they are. Once we try to understand the performance not in subjective terms but in an objective way and share it with other people, visualizing the performance parameters is indispensable. In this paper, a figure for visualizing performance expressions...	false	false	[ "Rumi Hiraga" ]	[]	[]	[]
Vis	2,002	Case study: A virtual environment for genomic data visualization	10.1109/VISUAL.2002.1183818	With the completion of the human genome sequence, and with the proliferation of genome-related annotation data, the need for scalable and more intuitive means for analysis becomes critical, At Variagenics and Small Design Firm, we have addressed this problem with a coherent three-dimensional space in which all data can...	false	false	[ "R. Mark Adams", "Blaze Stancampiano", "Michael McKenna", "David Small" ]	[]	[]	[]
Vis	2,002	Case study: hardware-accelerated selective LIC volume rendering	10.1109/VISUAL.2002.1183811	Line Integral Convolution (LIC) is a promising method for visualizing 2D dense flow fields. Direct extensions of the LIC method to 3D have not been considered very effective, because optical integration in viewing directions tends to spoil the coherent structures along 3D local streamlines. In our previous reports, we ...	false	false	[ "Yasuko Suzuki", "Issei Fujishiro", "Li Chen", "Hiroko Nakamura" ]	[]	[]	[]
Vis	2,002	Case study: Interactive rendering of adaptive mesh refinement data	10.1109/VISUAL.2002.1183820	Adaptive mesh refinement (AMR) is a popular computational simulation technique used in various scientific and engineering fields. Although AMR data is organized in a hierarchical multi-resolution data structure, the traditional volume visualization algorithms such as ray-casting and splatting cannot handle the form wit...	false	false	[ "Sanghun Park", "Chandrajit L. Bajaj", "Vinay Siddavanahalli" ]	[]	[]	[]
Vis	2,002	Case study: Interactive visualization for Internet security	10.1109/VISUAL.2002.1183816	Internet connectivity is defined by a set of routing protocols which let the routers that comprise the Internet backbone choose the best route for a packet to reach its destination. One way to improve the security and performance of Internet is to routinely examine the routing data. In this case study, we show how inte...	false	false	[ "Soon Tee Teoh", "Kwan-Liu Ma", "Shyhtsun Felix Wu", "Xiaoliang Zhao" ]	[]	[]	[]

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