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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
Vis	1,998	Interactive out-of-core isosurface extraction	10.1109/VISUAL.1998.745299	We present a novel out-of-core technique for the interactive computation of isosurfaces from volume data. Our algorithm minimizes the main memory and disk space requirements on the visualization workstation, while speeding up isosurface extraction queries. Our overall approach is a two-level indexing scheme. First, by ...	false	false	[ "Yi-Jen Chiang", "Cláudio T. Silva", "William J. Schroeder" ]	[]	[]	[]
Vis	1,998	Interactive ray tracing for isosurface rendering	10.1109/VISUAL.1998.745713	We show that it is feasible to perform interactive isosurfacing of very large rectilinear datasets with brute-force ray tracing on a conventional (distributed) shared-memory multiprocessor machine. Rather than generate geometry representing the isosurface and render with a z-buffer, for each pixel we trace a ray throug...	false	false	[ "Steven G. Parker", "Peter Shirley", "Yarden Livnat", "Charles D. Hansen", "Peter-Pike J. Sloan" ]	[ "BP" ]	[]	[]
Vis	1,998	Interactive virtual angioscopy	10.1109/VISUAL.1998.745337	Virtual angioscopy is a non invasive medical procedure for exploring parts of the human vascular system. We have developed an interactive tool that takes as input, data acquired with standard medical imaging modalities and regards it as a virtual environment to be interactively inspected. The system supports real time ...	false	false	[ "Enrico Gobbetti", "Piero Pili", "Antonio Zorcolo", "Massimiliano Tuveri" ]	[]	[]	[]
Vis	1,998	Interpolation of triangle hierarchies	10.1109/VISUAL.1998.745328	We consider interpolation between keyframe hierarchies. We impose a set of weak constraints that allows smooth interpolation between two keyframe hierarchies in an animation or, more generally, allows the interpolation in an n-parameter family of hierarchies. We use hierarchical triangulations obtained by the Rivara el...	false	false	[ "Axel Friedrich", "Konrad Polthier", "Markus Schmies" ]	[]	[]	[]
Vis	1,998	Isosurface extraction in time-varying fields using a temporal hierarchical index tree	10.1109/VISUAL.1998.745298	Many high-performance isosurface extraction algorithms have been proposed in the past several years as a result of intensive research efforts. When applying these algorithms to large-scale time-varying fields, the storage overhead incurred from storing the search index often becomes overwhelming. This paper proposes an...	false	false	[ "Han-Wei Shen" ]	[]	[]	[]
Vis	1,998	Key Problems and Thorny Issues in Multidimensional Visualization	10.1109/VISUAL.1998.745354	Starting from early successes of visualization, like Dr. J. Snow’s dot map in 1854 showing the connection of cholera to a water pump, visualization has grown to a powerful principal as well as supportive tool for data discovery. The 1992 IEEE Visualization Conference’s Grand Challenge Panel identified fundamental probl...	false	false	[ "Georges G. Grinstein", "Sharon J. Laskowski", "Alfred Inselberg" ]	[]	[]	[]
Vis	1,998	Large scale terrain visualization using the restricted quadtree triangulation	10.1109/VISUAL.1998.745280	Real-time rendering of triangulated surfaces has attracted growing interest in the last few years. However, interactive visualization of very large scale grid digital elevation models is still difficult. The graphics load must be controlled by adaptive surface triangulation and by taking advantage of different levels o...	false	false	[ "Renato Pajarola" ]	[]	[]	[]
Vis	1,998	Level of detail visualization of scalar data sets on irregular surface meshes	10.1109/VISUAL.1998.745287	In this article, we build a multi-resolution framework intended to be used for the visualization of continuous piecewise linear functions defined over triangular planar or spherical meshes. In particular, the data set can be viewed at different level of detail, that's to say as a piecewise linear function defined over ...	false	false	[ "Georges-Pierre Bonneau", "Alexandre Gerussi" ]	[]	[]	[]
Vis	1,998	Multi-Source Data Analysis Challenges	10.1109/VISUAL.1998.745353	Author(s): Uselton, S; Ahrens, J; Bethel, W; Treinish, L; State, A \| Abstract: The factors making multi-source data analysis pervasive in the near future are: ease and cost effectiveness of digital data acquisition; fidelity, detail and practicality of computational simulations; and networks that make data from many so...	false	false	[ "Samuel P. Uselton", "Lloyd Treinish", "James P. Ahrens", "E. Wes Bethel", "Andrei State" ]	[]	[]	[]
Vis	1,998	Pixel masks for screen-door transparency	10.1109/VISUAL.1998.745323	Rendering objects transparently gives additional insight in complex and overlapping structures. However, traditional techniques for the rendering of transparent objects such as alpha blending are not very well suited for the rendering of multiple transparent objects in dynamic scenes. Screen door transparency is a tech...	false	false	[ "Jurriaan D. Mulder", "Frans C. A. Groen", "Jarke J. van Wijk" ]	[]	[]	[]
Vis	1,998	POPTEX: Interactive ocean model visualization using texture mapping hardware	10.1109/VISUAL.1998.745346	Global circulation models are used to gain an understanding of the processes that affect the Earth's climate and may ultimately be used to assess the impact of humanity's activities on it. The POP ocean model developed at Los Alamos is an example of such a global circulation model that is being used to investigate the ...	false	false	[ "Allen McPherson", "Mathew Maltrud" ]	[]	[]	[]
Vis	1,998	Production visualization for the ASCI One TeraFLOPS machine	10.1109/VISUAL.1998.745343	The delivery of the first one tera-operations/sec computer has significantly impacted production data visualization, affecting data transfer, post processing, and rendering. Terascale computing has motivated a need to consider the entire data visualization system; improving a single algorithm is not sufficient. This pa...	false	false	[ "Philip D. Heermann" ]	[ "BCS" ]	[]	[]
Vis	1,998	Progressive tetrahedralizations	10.1109/VISUAL.1998.745329	The paper describes some fundamental issues for robust implementations of progressively refined tetrahedralizations generated through sequences of edge collapses. We address the definition of appropriate cost functions and explain on various tests which are necessary to preserve the consistency of the mesh when collaps...	false	false	[ "Oliver G. Staadt", "Markus H. Gross" ]	[]	[]	[]
Vis	1,998	Real-time techniques for 3D flow visualization	10.1109/VISUAL.1998.745317	Visualization of three-dimensional steady flow has to overcome a lot of problems to be effective. Among them are occlusion of distant details, lack of directional and depth hints and occlusion. We present methods which address these problems for real-time graphic representations applicable in virtual environments. We u...	false	false	[ "Anton L. Fuhrmann", "M. Eduard Gröller" ]	[]	[]	[]
Vis	1,998	Rear-projecting virtual data onto physical terrain: an exercise in two senses being better than one	10.1109/VISUAL.1998.745341	This paper describes a project that combined physical model fabrication and virtual computer-based data display to create a unique visualization presentation. USGS terrain information on Prince of Wales Island, Alaska was used to create a physical prototype in SDSC's TeleManufacturing Facility. This model was then used...	false	false	[ "Dru Clark", "Richard Marciano", "Rosemarie McKeon", "Michael J. Bailey" ]	[]	[]	[]
Vis	1,998	Scientific visualization and data modeling of scattered sediment contaminant data in New York/New Jersey estuaries	10.1109/VISUAL.1998.745345	Sediments in many parts of the New York and New Jersey estuary system are contaminated with toxic organic and inorganic compounds by different sources. Because of the potential environmental consequences, detailed information on the spatial distribution of sediment contaminants is essential in order to carry out routin...	false	false	[ "Hong Ma", "Keith W. Jones", "Eric A. Stern" ]	[]	[]	[]
Vis	1,998	Seabed visualization	10.1109/VISUAL.1998.745348	The development of a high speed multi-frequency continuous scan sonar at Sonar Research & Development Ltd has resulted in the acquisition of extremely accurate, high resolution bathymetric data. This rich underwater data provides new challenges and possibilities within the field of seabed visualization. This paper ...	false	false	[ "Paul Chapman", "Peter Stevens", "Derek Wills", "Graham R. Brookes" ]	[]	[]	[]
Vis	1,998	Selective visualization of vortices in hydrodynamic flows	10.1109/VISUAL.1998.745333	Vortices are important features in many research and engineering fields. Visualization is an important step in gaining more understanding and control of vortices. Vortex detection criteria fall into two categories: point based scalar quantities, calculated at single points, and curve based geometric criteria, calculate...	false	false	[ "I. Ari Sadarjoen", "Frits H. Post", "Bing Ma", "David C. Banks", "Hans-Georg Pagendarm" ]	[]	[]	[]
Vis	1,998	Simplification of tetrahedral meshes	10.1109/VISUAL.1998.745315	We present a method for the construction of multiple levels of tetrahedral meshes approximating a trivariate function at different levels of detail. Starting with an initial, high-resolution triangulation of a three-dimensional region, we construct coarser representation levels by collapsing tetrahedra. Each triangulat...	false	false	[ "Issac J. Trotts", "Bernd Hamann", "Kenneth I. Joy", "David F. Wiley" ]	[]	[]	[]
Vis	1,998	Simplifying surfaces with color and texture using quadric error metrics	10.1109/VISUAL.1998.745312	There are a variety of application areas in which there is a need for simplifying complex polygonal surface models. These models often have material properties such as colors, textures, and surface normals. Our surface simplification algorithm, based on iterative edge contraction and quadric error metrics, can rapidly ...	false	false	[ "Michael Garland", "Paul S. Heckbert" ]	[]	[]	[]
Vis	1,998	Size preserving pattern mapping	10.1109/VISUAL.1998.745325	We introduce a new approach for mapping texture on volumetric iso-surfaces and parametric surfaces. Our approach maps 2D images on surfaces while maintaining continuity and preserving the size of the mapped images on the models. Our approach is fully automatic. It eliminates the need for manual mapping of texture maps....	false	false	[ "Yair Kurzion", "Torsten Möller", "Roni Yagel" ]	[]	[]	[]
Vis	1,998	Smooth view-dependent level-of-detail control and its application to terrain rendering	10.1109/VISUAL.1998.745282	The key to real-time rendering of large-scale surfaces is to locally adapt surface geometric complexity to changing view parameters. Several schemes have been developed to address this problem of view-dependent level-of-detail control. Among these, the view-dependent progressive mesh (VDPM) framework represents an arbi...	false	false	[ "Hugues Hoppe" ]	[ "TT" ]	[]	[]
Vis	1,998	Supporting detail-in-context for the DNA representation, H-curves	10.1109/VISUAL.1998.745339	This paper presents a tool for the visual exploration of DNA sequences represented as H-curves. Although very long sequences can be plotted using H-curves, micro-features are lost as sequences get longer. We present a new three-dimensional distortion algorithm to allow the magnification of a sub-segment of an H-curve w...	false	false	[ "M. L. Lantin", "Sheelagh Carpendale" ]	[]	[]	[]
Vis	1,998	Surface reconstruction with anisotropic density-scaled alpha shapes	10.1109/VISUAL.1998.745286	Generation of a three-dimensional model from an unorganized set of points is an active area of research in computer graphics. Alpha shapes can be employed to construct a surface which most closely reflects the object described by the points. However, no /spl alpha/-shape, for any value of /spl alpha/, can properly deta...	false	false	[ "Marek Teichmann", "Michael V. Capps" ]	[]	[]	[]
Vis	1,998	Task-specific visualization design: a case study in operational weather forecasting	10.1109/VISUAL.1998.745330	Efforts to create highly generic visualizations, both content and interface, often when applied to non research oriented or operational activities are composed of several goals. Although these goals may appear to be related, they are often composed of distinct tasks. Generic solutions, even if domain-specific, may lack...	false	false	[ "Lloyd Treinish" ]	[]	[]	[]
Vis	1,998	The Gridfit algorithm: an efficient and effective approach to visualizing large amounts of spatial data	10.1109/VISUAL.1998.745301	In a large number of applications, data is collected and referenced by their spatial locations. Visualizing large amounts of spatially referenced data on a limited-size screen display often results in poor visualizations due to the high degree of overplotting of neighboring datapoints. We introduce a new approach to vi...	false	false	[ "Daniel A. Keim", "Annemarie Herrmann" ]	[]	[]	[]
Vis	1,998	Three-dimensional visualization of microstructures	10.1109/VISUAL.1998.745350	This case study describes a technique for the three-dimensional analysis of the internal microscopic structure (microstructure) of materials. This technique consists of incrementally polishing through a thin layer (approximately 0.2 /spl mu/m) of material, chemically etching the polished surface, applying reference mar...	false	false	[ "Marco Lanzagorta", "Milo V. Kral", "J. Edward Swan II", "George Spanos", "Robert Rosenberg", "Eddy Kuo" ]	[]	[]	[]
Vis	1,998	TOPIC ISLANDS TM - a wavelet-based text visualization system	10.1109/VISUAL.1998.745302	We present a novel approach to visualize and explore unstructured text. The underlying technology, called TOPIC-O-GRAPHY/sup TM/, applies wavelet transforms to a custom digital signal constructed from words within a document. The resultant multiresolution wavelet energy is used to analyze the characteristics of the nar...	false	false	[ "Nancy E. Miller", "Pak Chung Wong", "Mary Brewster", "Harlan Foote" ]	[]	[]	[]
Vis	1,998	Tracking scalar features in unstructured datasets	10.1109/VISUAL.1998.745288	3D time-varying unstructured and structured data sets are difficult to visualize and analyze because of the immense amount of data involved. These data sets contain many evolving amorphous regions, and standard visualization techniques provide no facilities to aid the scientist to follow regions of interest. In this pa...	false	false	[ "Deborah Silver", "Xin Wang" ]	[]	[]	[]
Vis	1,998	View dependent isosurface extraction	10.1109/VISUAL.1998.745300	We propose a new approach to polygonal isosurface extraction that is based on extracting only the visible portion of the isosurface. The visibility tests are done in two phases. First, coarse visibility tests are performed in software to determine the visible cells. These tests are based on hierarchical tiles and shear...	false	false	[ "Yarden Livnat", "Charles D. Hansen" ]	[]	[]	[]
Vis	1,998	Visual presentation of magnetic resonance images	10.1109/VISUAL.1998.745334	Medical image analysis is shifting from current film oriented light screen environments to computer environments that involve viewing and analyzing large sets of images on a computer screen. Magnetic resonance imaging (MRI) studies, in particular, can involve many images. The paper examines how best to meet the needs o...	false	false	[ "Johanna E. van der Heyden", "Sheelagh Carpendale", "Kevin B. Inkpen", "M. Stella Atkins" ]	[]	[]	[]
Vis	1,998	Visualization for multiparameter aircraft designs	10.1109/VISUAL.1998.745351	We describe an aircraft design problem in high dimensional space, with D typically being 10 to 30. In some respects this is a classic optimization problem, where the goal is to find the point that minimizes an objective function while satisfying a set of constraints. However, evaluating an individual point is expensive...	false	false	[ "Clifford A. Shaffer", "Duane L. Knill", "Layne T. Watson" ]	[]	[]	[]
Vis	1,998	Visualization in corneal topography	10.1109/VISUAL.1998.745335	The anterior surface of the eye ('cornea') is extremely important for good sight. Instruments measuring corneal shape conventionally visualize the surface characteristics by mapping the instantaneous radius of curvature onto a rainbow colour scale. This technique is known to have important drawbacks. Firstly, not corne...	false	false	[ "Frans Vos", "Hans J. W. Spoelder" ]	[]	[]	[]
Vis	1,998	Visualization of scalar topology for structural enhancement	10.1109/VISUAL.1998.745284	Scalar fields arise in every scientific application. Existing scalar visualization techniques require that the user infers the global scalar structure from what is frequently an insufficient display of information. We present a visualization technique which numerically detects the structure at all scales, removing from...	false	false	[ "Chandrajit L. Bajaj", "Valerio Pascucci", "Daniel Schikore" ]	[]	[]	[]
Vis	1,998	Visualizing differences in movies of cortical activity	10.1109/VISUAL.1998.745306	This paper discusses techniques for visualizing structure in video data and other data sets that represent time snapshots of physical phenomena. Individual frames of a movie are treated as vectors and projected onto a low-dimensional subspace spanned by principal components. Movies can be compared and their differences...	false	false	[ "Kay A. Robbins", "David M. Senseman" ]	[]	[]	[]
Vis	1,998	Visualizing diffusion tensor images of the mouse spinal cord	10.1109/VISUAL.1998.745294	Within biological systems, water molecules undergo continuous stochastic Brownian motion. The diffusion rate can give clues to the structure of the underlying tissues. In some tissues, the rate is anisotropic. Diffusion-rate images can be calculated from diffusion-weighted MRI. A 2D diffusion tensor image (DTI) and an ...	false	false	[ "David H. Laidlaw", "Eric T. Ahrens", "David Kremers", "Matthew J. Avalos", "Russell E. Jacobs", "Carol Readhead" ]	[]	[]	[]
Vis	1,998	Visualizing Hilbert curves	10.1109/VISUAL.1998.745340	A computer animated movie was produced, illustrating both 2D and 3D Hilbert curves, and showing the transition from 2D to 3D with the help of volume rendering.	false	false	[ "Nelson L. Max" ]	[]	[]	[]
Vis	1,998	Volumetric modeling of acoustic fields in CNMAT's sound spatialization theatre	10.1109/VISUAL.1998.745338	A new tool for real time visualization of acoustic sound fields has been developed for a new sound spatialization theatre. The theatre is described and several applications of the acoustic and volumetric modeling software are presented. The visualization system described is a valuable tool for spatial sound researchers...	false	false	[ "Sami Khoury", "Adrian Freed", "David Wessel" ]	[]	[]	[]
Vis	1,998	Wavelets over curvilinear grids	10.1109/VISUAL.1998.745318	We develop multiresolution models for analyzing and visualizing two-dimensional flows over curvilinear grids. Our models are based upon nested spaces of piecewise defined functions defined over nested curvilinear grid domains. The nested domains are selected so as to maintain the original geometry of the inner boundary...	false	false	[ "Gregory M. Nielson", "Il-Hong Jung", "Junwon Sung" ]	[]	[]	[]
Vis	1,998	Why is Real-Time Volume Rendering No Longer a Year Away?	10.1109/VISUAL.1998.745352	Something new is happening in computer graphics. Volume rendering matured as a method for visualizing 3D sampled, simulated, and synthetic datasets. With a booming interest in real-time interactive volume rendering, and with a volume rendering chip being fabricated, volume rendering is a technology whose time has come....	false	false	[ "Arie E. Kaufman", "Marty Brady", "William E. Lorensen", "Frederick L. Kitson", "Hanspeter Pfister" ]	[]	[]	[]
InfoVis	1,998	Algorithm visualization for distributed environments	10.1109/INFVIS.1998.729561	The paper investigates the visualization of distributed algorithms. We present a conceptual model and a system, VADE, that realizes this model. Since in asynchronous distributed systems there is no way of knowing (let alone, visualizing) the "real" execution, we show how to generate a visualization which is consistent ...	false	false	[ "Yoram Moses", "Zvi Polunsky", "Ayellet Tal", "Leonid Ulitsky" ]	[]	[]	[]
InfoVis	1,998	An interactive view for hierarchical clustering	10.1109/INFVIS.1998.729556	The paper describes a visualization of a general hierarchical clustering algorithm that allows the user to manipulate the number of classes produced by the clustering method without requiring a radical re-drawing of the clustering tree. The visual method used, a space filling recursive division of a rectangular area, k...	false	false	[ "Graham J. Wills" ]	[]	[]	[]
InfoVis	1,998	An operator interaction framework for visualization systems	10.1109/INFVIS.1998.729560	Information visualization encounters a wide variety of different data domains. The visualization community has developed representation methods and interactive techniques. As a community, we have realized that the requirements in each domain are often dramatically different. In order to easily apply existing methods, r...	false	false	[ "Ed H. Chi", "John Riedl" ]	[ "TT" ]	[]	[]
InfoVis	1,998	BiblioMapper: a cluster-based information visualization technique	10.1109/INFVIS.1998.729569	The purpose of the paper is to develop a visualization system of a document space, called BiblioMapper, for CISI collections, one of the bibliographic databases available on the Internet. The major function of BiblioMapper is to visualize the document space with a cluster-based visualization technique. The cluster-base...	false	false	[ "Min Song" ]	[]	[]	[]
InfoVis	1,998	Comparative visualization of protein structure-sequence alignments	10.1109/INFVIS.1998.729566	Protein fold recognition (threading) involves the prediction of a protein's three-dimensional shape based on its similarity to a protein whose structure is known. Fold predictions are low resolution; no effort is made to rotate the protein's component amino acid side chains into their correct spatial orientations. Rath...	false	false	[ "Marc D. Hansen", "Doanna Meads", "Alex T. Pang" ]	[]	[]	[]
InfoVis	1,998	Dynamic aggregation with circular visual designs	10.1109/INFVIS.1998.729557	One very effective method for managing large data sets is aggregation or binning. We consider two aggregation methods that are tightly coupled with interactive manipulation and the visual representation of the data. Through this integration we hope to provide effective support for the aggregation process, specifically ...	false	false	[ "Mei C. Chuah" ]	[]	[]	[]
InfoVis	1,998	Geographic visualization: designing manipulable maps for exploring temporally varying georeferenced statistics	10.1109/INFVIS.1998.729563	Geographic visualization, sometimes called cartographic visualization, is a form of information visualization in which principles from cartography, geographic information systems (GIS), exploratory data analysis (EDA), and information visualization more generally are integrated in the development and assessment of visu...	false	false	[ "Alan M. MacEachren", "Francis P. Boscoe", "Daniel Haug", "Linda Pickle" ]	[]	[]	[]
InfoVis	1,998	IVORY-an object-oriented framework for physics-based information visualization in Java	10.1109/INFVIS.1998.729562	We present IVORY a newly developed, platform-independent framework for physics based visualization. IVORY is especially designed for information visualization applications and multidimensional graph layout. It is fully implemented in Java 1.1 and its architecture features client server setup, which allows us to run the...	false	false	[ "Thomas C. Sprenger", "Markus H. Gross", "Daniel Bielser", "Tobias Strasser" ]	[]	[]	[]
InfoVis	1,998	LensBar-visualization for browsing and filtering large lists of data	10.1109/INFVIS.1998.729567	The author proposes a simple and powerful graphical interface tool called the LensBar for filtering and visualizing large lists of data. Browsing and querying are the most important tasks in retrieving information and LensBar integrates the two techniques into a simple scroll window with slider. While it looks familiar...	false	false	[ "Toshiyuki Masui" ]	[]	[]	[]
InfoVis	1,998	Multi-faceted insight through interoperable visual information analysis paradigms	10.1109/INFVIS.1998.729570	To gain insight and understanding of complex information collections, users must be able to visualize and explore many facets of the information. The paper presents several novel visual methods from an information analyst's perspective. The authors present a sample scenario, using the various methods to gain a variety ...	false	false	[ "Elizabeth G. Hetzler", "Paul Whitney", "Lou Martucci", "James J. Thomas" ]	[]	[]	[]
InfoVis	1,998	Reconfigurable disc trees for visualizing large hierarchical information space	10.1109/INFVIS.1998.729555	We present a new visualization technique, called RDT (Reconfigurable Disc Tree) which can alleviate the disadvantages of cone trees significantly for large hierarchies while maintaining its context of using 3D depth. In RDT, each node is associated with a disc, around which its children are placed. Using discs instead ...	false	false	[ "Chang-Sung Jeong", "Alex T. Pang" ]	[]	[]	[]
InfoVis	1,998	Saying it in graphics: from intentions to visualizations	10.1109/INFVIS.1998.729564	The authors propose a methodology for automatically realizing communicative goals in graphics. It features a task model that mediates the communicative intent and the selection of graphical techniques. The methodology supports the following functions: isolating assertions presentable in graphics; mapping such assertion...	false	false	[ "Stephan M. Kerpedjiev", "Giuseppe Carenini", "Nancy L. Green", "Johanna D. Moore", "Steven F. Roth" ]	[]	[]	[]
InfoVis	1,998	Similarity clustering of dimensions for an enhanced visualization of multidimensional data	10.1109/INFVIS.1998.729559	The order and arrangement of dimensions (variates) is crucial for the effectiveness of a large number of visualization techniques such as parallel coordinates, scatterplots, recursive pattern, and many others. We describe a systematic approach to arrange the dimensions according to their similarity. The basic idea is t...	false	false	[ "Mihael Ankerst", "Stefan Berchtold", "Daniel A. Keim" ]	[]	[]	[]
InfoVis	1,998	The generalized detail in-context problem	10.1109/INFVIS.1998.729558	The paper describes a general formulation of the "detail-in-context" problem, which is a central issue of fundamental importance to a wide variety of nonlinear magnification systems. A number of tools are described for dealing with this problem effectively. These tools can be applied to any continuous nonlinear magnifi...	false	false	[ "Alan Keahey" ]	[]	[]	[]
InfoVis	1,998	The shape of Shakespeare: visualizing text using implicit surfaces	10.1109/INFVIS.1998.729568	Information visualization focuses on the use of visual means for exploring non-visual information. While free-form text is a rich, common source of information, visualization of text is a challenging problem since text is inherently non-spatial. The paper explores the use of implicit surface models for visualizing text...	false	false	[ "Randall M. Rohrer", "John L. Sibert", "David S. Ebert" ]	[]	[]	[]
InfoVis	1,998	Traversal-based visualization of data structures	10.1109/INFVIS.1998.729554	Algorithm animation systems and graphical debuggers perform the task of translating program state into visual representations. While algorithm animations typically rely on user augmented source code to produce visualizations, debuggers make use of symbolic information in the target program. As a result, visualizations ...	false	false	[ "Jeffrey L. Korn", "Andrew W. Appel" ]	[]	[]	[]
InfoVis	1,998	Visualizing decision table classifiers	10.1109/INFVIS.1998.729565	Decision tables, like decision trees or neural nets, are classification models used for prediction. They are induced by machine learning algorithms. A decision table consists of a hierarchical table in which each entry in a higher level table gets broken down by the values of a pair of additional attributes to form ano...	false	false	[ "Barry G. Becker" ]	[]	[]	[]
InfoVis	1,998	WEBPATH-a three dimensional Web history	10.1109/INFVIS.1998.729553	A number of usability studies report that many users of the WWW cannot find pages already visited, additionally many users cannot visualise where they are, or where they have been browsing. Currently, readily available WWW browsers provide history mechanisms that offer little or no support in the presentation and manip...	false	false	[ "Emmanuel Frécon", "Gareth Smith" ]	[]	[]	[]
CHI	1,998	DIVA: Exploratory Data Analysis with Multimedia Streams	10.1145/274644.274701	DIVA supports exploratory data analysis of multimedia streams, enabling users to visualize, explore and evaluate patterns in data that change over time. The underlying stream algebra provides the mathematical basis for operating on diverse kinds of streams. The streamer visualization technique provides a smooth transit...	false	false	[ "Wendy E. Mackay", "Michel Beaudouin-Lafon" ]	[]	[]	[]
CHI	1,998	Finding and Visualizing Inter-Site Clan Graphs	10.1145/274644.274705	For many purposes, the Web page is too small a unit of interaction. Users often want to interact with larger-scale entities, particularly collections of topically related items. We report three innovations that address this user need. l We replaced the web page with the web sire as the basic unit of interaction and ana...	false	false	[ "Loren G. Terveen", "William C. Hill" ]	[]	[]	[]
CHI	1,998	Information Archiving with Bookmarks: Personal Web Space Construction and Organization	10.1145/274644.274651	Bookmarks are used as "personal Web information spaces" to help people remember and retrieve interesting Web pages. A study of personal Web information spaces surveyed 322 Web users and analyzed the bookmark archives of 50 Web users. The results of this study are used to address why people make bookmarks, and how they ...	false	false	[ "David Abrams", "Ronald Baecker", "Mark H. Chignell" ]	[]	[]	[]
CHI	1,998	Visualizing the Evolution of Web Ecologies	10.1145/274644.274699	Several visualizations have emerged which attempt to visualize all or part of the World Wide Web. Those visualizations, however, fail to present the dynamically changing ecology of users and documents on the Web. We present new techniques for Web Ecology and Evolution Visualization (WEEV). Disk Trees represent a discre...	false	false	[ "Ed Huai-hsin Chi", "James E. Pitkow", "Jock D. Mackinlay", "Peter Pirolli", "Rich Gossweiler", "Stuart K. Card" ]	[]	[]	[]
Vis	1,997	A comparison of normal estimation schemes	10.1109/VISUAL.1997.663848	The task of reconstructing the derivative of a discrete function is essential for its shading and rendering as well as being widely used in image processing and analysis. We survey the possible methods for normal estimation in volume rendering and divide them into two classes based on the delivered numerical accuracy. ...	false	false	[ "Torsten Möller", "Raghu Machiraju", "Klaus Mueller 0001", "Roni Yagel" ]	[]	[]	[]
Vis	1,997	A topology modifying progressive decimation algorithm	10.1109/VISUAL.1997.663883	Triangle decimation techniques reduce the number of triangles in a mesh, typically to improve interactive rendering performance or reduce data storage and transmission requirements. Most of these algorithms are designed to preserve the original topology of the mesh. Unfortunately, this characteristic is a strong limiti...	false	false	[ "William J. Schroeder" ]	[]	[]	[]
Vis	1,997	A visualization of music	10.1109/VISUAL.1997.663931	Currently, the most popular method of visualizing music is music notation. Through music notation, an experienced musician can gain an impression of how a particular piece of music sounds simply by looking at the notes on paper. However, most listeners are unfamiliar or uncomfortable with the complex nature of music no...	false	false	[ "Sean M. Smith", "Glen N. Williams" ]	[]	[]	[]
Vis	1,997	Accelerated volume rendering using homogeneous region encoding	10.1109/VISUAL.1997.663880	Previous accelerated volume rendering techniques have used auxiliary hierarchical datastructures to skip empty and homogeneous regions. Although some recent research has taken advantage of more efficient direct encoding techniques to skip empty regions, no work has been done to directly encode homogeneous but not empty...	false	false	[ "Jason Freund", "Kenneth R. Sloan" ]	[]	[]	[]
Vis	1,997	An anti-aliasing technique for splatting	10.1109/VISUAL.1997.663882	Splatting is a popular direct volume rendering algorithm. However, the algorithm does not correctly render cases where the volume sampling rate is higher than the image sampling rate (e.g. more than one voxel maps into a pixel). This situation arises with orthographic projections of high-resolution volumes, as well as ...	false	false	[ "J. Edward Swan II", "Klaus Mueller 0001", "Torsten Möller", "Naeem Shareef", "Roger Crawfis", "Roni Yagel" ]	[ "BP" ]	[]	[]
Vis	1,997	An interactive cerebral blood vessel exploration system	10.1109/VISUAL.1997.663917	An interactive cerebral blood vessel exploration system is described. It has been designed on the basis of neurosurgeons' requirements in order to assist them in the diagnosis of vascular pathologies. The system is based on the construction of a symbolic model of the vascular tree, with automatic identification and lab...	false	false	[ "Anna Puig", "Dani Tost", "Isabel Navazo" ]	[]	[]	[]
Vis	1,997	Application-controlled demand paging for out-of-core visualization	10.1109/VISUAL.1997.663888	In the area of scientific visualization, input data sets are often very large. In visualization of computational fluid dynamics (CFD) in particular, input data sets today can surpass 100 Gbytes, and are expected to scale with the ability of supercomputers to generate them. Some visualization tools already partition lar...	false	false	[ "Michael Cox", "David Ellsworth" ]	[]	[]	[]
Vis	1,997	Architectural walkthroughs using portal textures	10.1109/VISUAL.1997.663903	This paper outlines a method to dynamically replace portals with textures in a cell-partitioned model. The rendering complexity is reduced to the geometry of the current cell thus increasing interactive performance. A portal is a generalization of windows and doors. It connects two adjacent cells (or rooms). Each porta...	false	false	[ "Daniel G. Aliaga", "Anselmo Lastra" ]	[]	[]	[]
Vis	1,997	Auralization of streamline vorticity in computational fluid dynamics data	10.1109/VISUAL.1997.663856	Presents a new method for auralization of the vorticity of a streamline in a vector field. This technique involves using a composite tone formed by superimposing sine waves of various amplitudes whose frequency and amplitude vary in such a way as to give the perception that the resulting sound increases or decreases en...	false	false	[ "Christopher R. Volpe", "Ephraim P. Glinert" ]	[]	[]	[]
Vis	1,997	Brushing techniques for exploring volume datasets	10.1109/VISUAL.1997.663914	Describes several visualization techniques based on the notion of multi-resolution brushing to browse large 3D volume datasets. Our software is implemented using public-domain libraries, and is designed to run on average-equipped desktop computers such as a Linux machine with 32 MBytes of memory. Empirically, our syste...	false	false	[ "Pak Chung Wong", "R. Daniel Bergeron" ]	[]	[]	[]
Vis	1,997	Building and traversing a surface at variable resolution	10.1109/VISUAL.1997.663865	The authors consider the multi-triangulation, a general model for representing surfaces at variable resolution based on triangle meshes. They analyse characteristics of the model that make it effective for supporting basic operations such as extraction of a surface approximation, and point location. An interruptible al...	false	false	[ "Leila De Floriani", "Paola Magillo", "Enrico Puppo" ]	[]	[]	[]
Vis	1,997	Case study: efficient visualization of physical and structural properties in crash-worthiness simulations	10.1109/VISUAL.1997.663928	Numerical finite element simulations of the behaviour of a car body in frontal, side or rear impact collision scenarios have become increasingly complex as well as reliable and precise. They are well-established as a standard evaluation tool in the automotive development process. Both the increased complexity and the a...	false	false	[ "Sven Kuschfeldt", "Thomas Ertl", "Michael Holzner" ]	[]	[]	[]
Vis	1,997	Case study: visualizing customer segmentations produced by self organizing maps	10.1109/VISUAL.1997.663922	We describe a set of visualization programs developed for understanding segmentations of customer records produced by a self organizing map (SOM) algorithm. A SOM produces segments of similar customer records that can then be used as the basis of a marketing campaign. Since the characteristics that each segment will ha...	false	false	[ "Holly E. Rushmeier", "Richard D. Lawrence", "George S. Almási" ]	[]	[]	[]
Vis	1,997	Case study: wildfire visualization	10.1109/VISUAL.1997.663919	The ability to forecast the progress of crisis events would significantly reduce human suffering and loss of life, the destruction of property and expenditures for assessment and recovery. Los Alamos National Laboratory has established a scientific thrust in crisis forecasting to address this national challenge. In the...	false	false	[ "James P. Ahrens", "Patrick S. McCormick", "James Bossert", "Jon Reisner", "Judith Winterkamp" ]	[]	[]	[]
Vis	1,997	CAVEvis: distributed real-time visualization of time-varying scalar and vector fields using the CAVE virtual reality theater	10.1109/VISUAL.1997.663896	The paper discusses CAVEvis and a related set of tools for the interactive visualization and exploration of large sets of time-varying scalar and vector fields using the CAVE virtual reality environment. Since visualization of large data sets can be very time-consuming in both computation and rendering time, the task i...	false	false	[ "Vijendra Jaswal" ]	[]	[]	[]
Vis	1,997	Collaborative augmented reality: exploring dynamical systems	10.1109/VISUAL.1997.663921	We present collaborative scientific visualization in STUDIERSTUBE. STUDIERSTUBE is an augmented reality system that has several advantages over conventional desktop and other virtual reality environments, including true stereoscopy, 3D-interaction, individual viewpoints and customized views for multiple users, unhinder...	false	false	[ "Anton L. Fuhrmann", "Helwig Löffelmann", "Dieter Schmalstieg" ]	[]	[]	[]
Vis	1,997	Collaborative visualization	10.1109/VISUAL.1997.663890	Current visualization systems are designed around a single user model, making it awkward for large research teams to collectively analyse large data sets. The paper shows how the popular data flow approach to visualization can be extended to allow multiple users to collaborate-each running their own visualization pipel...	false	false	[ "Jason D. Wood", "Helen Wright", "Ken Brodlie" ]	[]	[]	[]
Vis	1,997	Collision detection for volumetric objects	10.1109/VISUAL.1997.663851	We propose a probability model for the handling of complicated interactions between volumetric objects. In our model each volume is associated with a "probability map" that assigns a "surface crossing" probability to each space point according to local volume properties. The interaction between two volumes is then desc...	false	false	[ "Taosong He", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,997	Computing the separating surface for segmented data	10.1109/VISUAL.1997.663887	An algorithm for computing a triangulated surface which separates a collection of data points that have been segmented into a number of different classes is presented. The problem generalizes the concept of an isosurface which separates data points that have been segmented into only two classes: those for which data fu...	false	false	[ "Gregory M. Nielson", "Richard Franke" ]	[]	[]	[]
Vis	1,997	Constrained 3D navigation with 2D controllers	10.1109/VISUAL.1997.663876	Navigation through 3D spaces is required in many interactive graphics and virtual reality applications. The authors consider the subclass of situations in which a 2D device such as a mouse controls smooth movements among viewpoints for a "through the screen" display of a 3D world. Frequently, there is a poor match betw...	false	false	[ "Andrew J. Hanson", "Eric A. Wernert" ]	[]	[]	[]
Vis	1,997	Controlled simplification of genus for polygonal models	10.1109/VISUAL.1997.663909	Genus-reducing simplifications are important in constructing multiresolution hierarchies for level-of-detail-based rendering, especially for datasets that have several relatively small holes, tunnels, and cavities. We present a genus-reducing simplification approach that is complementary to the existing work on genus-p...	false	false	[ "Jihad El-Sana", "Amitabh Varshney" ]	[]	[]	[]
Vis	1,997	Determination of unknown particle charges in a thunder cloud based upon detected electric field vectors	10.1109/VISUAL.1997.663926	Climatological data about thunderstorms is traditionally collected by balloons or planes traveling through the storm along straight tracts. Such data lends itself to simple 2D representations. The data described in this paper was gathered by a sail plane spiraling in an updraft within a thundercloud. The more complex o...	false	false	[ "Dan Drake", "Thomas Simpson", "Larry Smithmier", "Penny Rheingans" ]	[]	[]	[]
Vis	1,997	Displaying data in multidimensional relevance space with 2D visualization maps	10.1109/VISUAL.1997.663868	The paper introduces a tool for visualizing a multidimensional relevance space. Abstractly, the information to be displayed consists of a large number of objects, a set of features that are likely to be of interest to the user, and some function that measures the relevance level of every object to the various features....	false	false	[ "Jackie Assa", "Daniel Cohen-Or", "Tova Milo" ]	[]	[]	[]
Vis	1,997	DNA visual and analytic data mining	10.1109/VISUAL.1997.663916	Describes data exploration techniques designed to classify DNA sequences. Several visualization and data mining techniques were used to validate and attempt to discover new methods for distinguishing coding DNA sequences (exons) from non-coding DNA sequences (introns). The goal of the data mining was to see whether som...	false	false	[ "Patrick Hoffman", "Georges G. Grinstein", "Kenneth A. Marx", "Ivo Grosse", "Eugene Stanley" ]	[]	[]	[]
Vis	1,997	Dynamic color mapping of bivariate qualitative data	10.1109/VISUAL.1997.663874	Color is widely and reliably used to display the value of a single scalar variable. It is more rarely, and far less reliably, used to display multivariate data. Dynamic control over the parameters of the color mapping results in a more effective environment for the exploration of multivariate spatial distributions. The...	false	false	[ "Penny Rheingans" ]	[]	[]	[]
Vis	1,997	Dynamic smooth subdivision surfaces for data visualization	10.1109/VISUAL.1997.663905	Recursive subdivision schemes have been extensively used in computer graphics and scientific visualization for modeling smooth surfaces of arbitrary topology. Recursive subdivision generates a visually pleasing smooth surface in the limit from an initial user-specified polygonal mesh through the repeated application of...	false	false	[ "Chhandomay Mandal", "Hong Qin", "Baba C. Vemuri" ]	[]	[]	[]
Vis	1,997	Efficient subdivision of finite-element datasets into consistent tetrahedra	10.1109/VISUAL.1997.663885	The paper discusses the problem of subdividing unstructured mesh topologies containing hexahedra, prisms, pyramids and tetrahedra into a consistent set of only tetrahedra, while preserving the overall mesh topology. Efficient algorithms for volume rendering, iso-contouring and particle advection exist for mesh topologi...	false	false	[ "Guy Albertelli", "Roger Crawfis" ]	[]	[]	[]
Vis	1,997	Extracting feature lines from 3D unstructured grids	10.1109/VISUAL.1997.663894	The paper discusses techniques for extracting feature lines from three-dimensional unstructured grids. The twin objectives are to facilitate the interactive manipulation of these typically very large and dense meshes, and to clarify the visualization of the solution data that accompanies them. The authors describe the ...	false	false	[ "Kwan-Liu Ma", "Victoria Interrante" ]	[]	[]	[]
Vis	1,997	exVis: developing a wind tunnel data visualization tool	10.1109/VISUAL.1997.663911	Software has been developed to apply visualization techniques to aeronautics data collected during wind tunnel experiments. Interaction between the software developers and the aeroscientists has been crucial in making the software. The interaction has also been important in building the scientists' confidence in the us...	false	false	[ "Samuel P. Uselton" ]	[]	[]	[]
Vis	1,997	Fast oriented line integral convolution for vector field visualization via the Internet	10.1109/VISUAL.1997.663897	Oriented line integral convolution (OLIC) illustrates flow fields by convolving a sparse texture with an anisotropic convolution kernel. The kernel is aligned to the underlying flow of the vector field. OLIC does not only show the direction of the flow but also its orientation. The paper presents fast rendering of orie...	false	false	[ "Rainer Wegenkittl", "M. Eduard Gröller" ]	[]	[]	[]
Vis	1,997	GADGET: goal-oriented application design guidance for modular visualization environments	10.1109/VISUAL.1997.663889	Modular visualization environments (MVEs) have recently been regarded as the de facto standard for scientific data visualization, mainly due to adoption of the visual programming style, reusability, and extendability. However, since scientists and engineers as the MVE principal user are not always familiar with how to ...	false	false	[ "Issei Fujishiro", "Yuriko Takeshima", "Yoshihiko Ichikawa", "Kyoko Nakamura" ]	[]	[]	[]
Vis	1,997	Haar wavelets over triangular domains with applications to multiresolution models for flow over a sphere	10.1109/VISUAL.1997.663871	Some new piecewise constant wavelets defined over nested triangulated domains are presented and applied to the problem of multiresolution analysis of flow over a spherical domain. These new, nearly orthogonal wavelets have advantages over the existing weaker biorthogonal wavelets. In the planar case of uniform areas, t...	false	false	[ "Gregory M. Nielson", "Il-Hong Jung", "Junwon Sung" ]	[]	[]	[]
Vis	1,997	I/O optimal isosurface extraction	10.1109/VISUAL.1997.663895	The authors give I/O-optimal techniques for the extraction of isosurfaces from volumetric data, by a novel application of the I/O-optimal interval tree of Arge and Vitter (1996). The main idea is to preprocess the data set once and for all to build an efficient search structure in disk, and then each time one wants to ...	false	false	[ "Yi-Jen Chiang", "Cláudio T. Silva" ]	[]	[]	[]
Vis	1,997	Image synthesis from a sparse set of views	10.1109/VISUAL.1997.663892	The authors present an image synthesis methodology and a system built around it. Given a sparse set of photographs taken from unknown viewpoints, the system generates images from new, different viewpoints with correct perspective, and handles occlusion. It achieves this without requiring any knowledge about the 3D stru...	false	false	[ "Qian Chen 0022", "Gérard G. Medioni" ]	[]	[]	[]
Vis	1,997	Information Exploration Shootout Project And Benchmark Data Sets: Evaluating How Visualization Does In Analyzing Real-World Data Analysis Problems	10.1109/VISUAL.1997.663933	The convergence of database systems, knowledge discovery, anti visualization will have a fundamental impact on our capability to mine information and knowledge from very large databases. An enhanced data exploration capability has immediate applications to business and commerce, decision systems, information management...	false	false	[ "Georges G. Grinstein", "Sharon J. Laskowski", "Graham J. Wills", "Bernice E. Rogowitz" ]	[]	[]	[]
Vis	1,997	Instructional software for visualizing optical phenomena	10.1109/VISUAL.1997.663918	We describe a multidisciplinary effort for creating interactive 3D graphical modules for visualizing optical phenomena. These modules are designed for use in an upper-level undergraduate course. The modules are developed in Open Inventor, which allows them to run under both Unix and Windows. The work is significant in ...	false	false	[ "David C. Banks", "John T. Foley", "Kiril Vidimce", "Ming-Hoe Kiu" ]	[]	[]	[]
Vis	1,997	Integrated volume compression and visualization	10.1109/VISUAL.1997.663900	Volumetric data sets require enormous storage capacity even at moderate resolution levels. The excessive storage demands not only stress the capacity of the underlying storage and communications systems, but also seriously limit the speed of volume rendering due to data movement and manipulation. A novel volumetric dat...	false	false	[ "Tzi-cker Chiueh", "Chuan-Kai Yang", "Taosong He", "Hanspeter Pfister", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,997	Interactive visualization of aircraft and power generation engines	10.1109/VISUAL.1997.663927	Presents a system for interactively visualizing large polygonal environments such as those produced by CAD systems during the design of aircraft and power generation engines. Our method combines view frustum culling with level-of-detail modeling to create a visualization system that supports part motion and has the abi...	false	false	[ "Lisa Sobierajski Avila", "William J. Schroeder" ]	[]	[]	[]

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