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10
Vis
1,995
Virtual GIS: a real-time 3D geographic information system
10.1109/VISUAL.1995.480800
Advances in computer graphics hardware and algorithms, visualization, and interactive techniques for analysis offer the components for a highly integrated, efficient real-time 3D Geographic Information System. We have developed "Virtual GIS", a system with truly immersive capability for navigating and understanding com...
false
false
[ "David Koller", "Peter Lindstrom 0001", "William Ribarsky", "Larry F. Hodges", "Nickolas Faust", "Gregory A. Turner" ]
[]
[]
[]
Vis
1,995
Visualization for aerodynamic design of helicopter rotor blades
10.1109/VISUAL.1995.485150
Visualization, animation, and simulation techniques are applied to the problem of rotor design for helicopters. Periodic unsteady experimental velocity data (laser Doppler velocimetry or LDV) in two dimensions and velocity data derived from simulated vortex systems in three dimensions are compared using the same visual...
false
false
[ "G. David Kerlick" ]
[]
[]
[]
Vis
1,995
Visualization of biological sequence similarity search results
10.1109/VISUAL.1995.480794
Biological sequence similarity analysis presents visualization challenges, primarily because of the massive amounts of discrete, multi dimensional data. Genomic data generated by molecular biologists is analyzed by algorithms that search for similarity to known sequences in large genomic databases. The output from thes...
false
false
[ "Ed H. Chi", "Phillip Barry", "Elizabeth Shoop", "John V. Carlis", "Ernest F. Retzel", "John Riedl" ]
[]
[]
[]
Vis
1,995
Visualization of high speed aerodynamic configuration design
10.1109/VISUAL.1995.485151
Three topics of aerodynamic research at DLR are chosen to illustrate the need for visualization. These include aircraft configuration design variations, adaptation devices and unsteady flow simulation in the transonic, the supersonic and the hypersonic speed regime call for the combined use of a geometry generator, a p...
false
false
[ "Monika Hannemann", "Helmut Sobieczky" ]
[]
[]
[]
Vis
1,995
Visualizing the tracking and diving behavior of marine mammals: a case study
10.1109/VISUAL.1995.485170
A new method of tracking free ranging marine mammals has been developed which employs a Global Positioning System (GPS) receiver to accurately fix an animal's position when it surfaces and a tri axial magnetometer and velocity time depth recorder to track the animals underwater movements between surfacings in 3 dimensi...
false
false
[ "Guy W. Oliver" ]
[]
[]
[]
Vis
1,995
Volume-based reasoning and visualization of diecastability
10.1109/VISUAL.1995.485152
Because of the nature of the die casting process, the part geometry severely restricts the die geometry and hence affects the quality of the part. However, as is often the case in other manufacturing processes, diecastings are currently designed purely based on their function. The manufacturability of the diecastings i...
false
false
[ "Roni Yagel", "Shao-Chiung Lu", "Alec B. Rebello", "Richard Allen Miller" ]
[]
[]
[]
Vis
1,995
Voxel based object simplification
10.1109/VISUAL.1995.485142
Presents a simple, robust and practical method for object simplification for applications where gradual elimination of high-frequency details is desired. This is accomplished by sampling and low-pass filtering the object into multi-resolution volume buffers and applying the marching cubes algorithm to generate a multi-...
false
false
[ "Taosong He", "Lichan Hong", "Arie E. Kaufman", "Amitabh Varshney", "Sidney W. Wang" ]
[]
[]
[]
InfoVis
1,995
Case study. A WWW viewpoint on scientific visualization: an EPA case study for technology transfer
10.1109/INFVIS.1995.528694
The paper examines how to provide scientific visualization capabilities to environmental scientists, policy analysts and decision makers with personal computers (PCs) on their desktops. An approach for using the World Wide Web (WWW) for disseminating knowledge on scientific visualization and for intelligent access to v...
false
false
[ "Theresa-Marie Rhyne" ]
[]
[]
[]
InfoVis
1,995
Case study. Narcissus: visualising information
10.1109/INFVIS.1995.528691
It is becoming increasingly important that support is provided for users who are dealing with complex information spaces. The need is driven by the growing number of domains where there is a requirement for users to understand, navigate and manipulate large sets of computer based data; by the increasing size and comple...
false
false
[ "Robert J. Hendley", "Nick S. Drew", "Andrew Wood", "Russell Beale" ]
[]
[]
[]
InfoVis
1,995
Case study. Visualising cyberspace: information visualisation in the Harmony Internet browser
10.1109/INFVIS.1995.528692
The explosive growth of information systems on the Internet has clearly demonstrated the need to organise, filter, and present information in ways which allow users to cope with the sheer quantities of information available. The scope for visualisation of Gopher and WWW spaces is restricted by the limitations of their ...
false
false
[ "K. Andrews" ]
[]
[]
[]
InfoVis
1,995
Case study: 3D displays of Internet traffic
10.1109/INFVIS.1995.528697
The explosive growth in world-wide communications, especially the Internet, has highlighted the need for techniques to visualize network traffic. The traditional node and link network displays work well for small datasets but become visually cluttered and uninterpretable for large datasets. A natural 3D metaphor for di...
false
false
[ "Kenneth C. Cox", "Stephen G. Eick" ]
[]
[]
[]
InfoVis
1,995
Case study: an empirical investigation of thumbnail image recognition
10.1109/INFVIS.1995.528695
The use of thumbnails (i.e., miniatures) in the user-interface of image databases allows searching and selection of images without the need for naming policies. Treating parent images prior to reduction with edge-detecting smoothing, lossy image compression, or static codebook compression resulted in thumbnails where t...
false
false
[ "C. A. Burton", "L. J. Johnston", "Liz Sonenberg" ]
[]
[]
[]
InfoVis
1,995
Case study: fishing for information on the Internet
10.1109/INFVIS.1995.528693
As the Internet continues to grow, the amount of accessible information becomes increasingly vast. Search tools exist that allow users to find relevant information. However, a search can often produce such a large amount of data that it becomes hard to ferret out the most appropriate and highest quality information. In...
false
false
[ "R. Mitchell", "David S. Day", "Lynette Hirschman" ]
[]
[]
[]
InfoVis
1,995
Case study: visualizing Internet resources
10.1109/INFVIS.1995.528696
The goal is to improve the ability of people from all walks of life and interests to access, search, and use the information distributed in Internet resources. The process of interacting with information resources starts with browsing, continues with digesting and assimilating pieces of information, terminates with gen...
false
false
[ "Nahum D. Gershon", "Joshua LeVasseur", "Joel Winstead", "J. Croall", "A. Pernicks", "William Ruh" ]
[]
[]
[]
InfoVis
1,995
IVEE: an Information Visualization and Exploration Environment
10.1109/INFVIS.1995.528688
The Information Visualization and Exploration Environment (NEE) is a system for automatic creation of dynamic queries applications. IVEE imports database relations and automatically creates environments holding visualizations and query devices. IVEE offers multiple visualizations such as maps and starfields, and multip...
false
false
[ "Christopher Ahlberg", "Erik Wistrand" ]
[]
[]
[]
InfoVis
1,995
Research report. DataSpace: 3-D visualizations of large databases
10.1109/INFVIS.1995.528690
DataSpace is a system for interactive 3-D visualization and analysis of large databases. DataSpace utilizes the display space by placing panels of information, possibly generated by different visualization applications, in a 3-D graph layout, and providing continuous navigation facilities. Selective rearrangements and ...
false
false
[ "Vinod Anupam", "Shaul Dar", "Ted Leibfried", "Eric Petajan" ]
[]
[]
[]
InfoVis
1,995
Research report. Interacting with huge hierarchies: beyond cone trees
10.1109/INFVIS.1995.528689
The paper describes an implementation of a tool for visualizing and interacting with huge information hierarchies, and some preliminary empirical evaluation of the tool's efficacy. Existing systems for visualizing huge hierarchies using cone trees "break down" once the hierarchy to be displayed exceeds roughly 1000 nod...
false
false
[ "S. Jeromy Carrière", "Rick Kazman" ]
[]
[]
[]
InfoVis
1,995
Research report: improving browsing in information by the automatic display layout
10.1109/INFVIS.1995.528683
It is well known that graphical representations could be very helpful to browse in graph structured information. But this promising approach requires the capability of an automatic layout system because the tedious and time consuming task of a manual layout leads to a rejection of this approach by the user. In our appr...
false
false
[ "Peter Lüders", "Rolf Ernst" ]
[]
[]
[]
InfoVis
1,995
Research report: information animation applications in the capital markets
10.1109/INFVIS.1995.528682
3D computer graphics can be extremely expressive. It is possible to display an entire securities market, like the S&P 500, on a single screen. With the correct approach to the visual design of the layout, these massive amounts of information can be quickly and easily comprehended by a human observer. By using motio...
false
false
[ "W. Wright" ]
[]
[]
[]
InfoVis
1,995
SDM: malleable information graphics
10.1109/INFVIS.1995.528684
Selective dynamic manipulation (SDM) is a paradigm for interacting with objects in visualizations. Its methods offer a high degree of selectivity, in choosing object sets, in the selection of interactive techniques and the properties they affect, and in the degree to which a user action affects the visualization. Our g...
false
false
[ "Mei C. Chuah", "Steven F. Roth", "Joe Mattis", "John Kolojejchick" ]
[]
[]
[]
InfoVis
1,995
The information mural: a technique for displaying and navigating large information spaces
10.1109/INFVIS.1995.528685
Visualizations which depict entire information spaces provide context for navigation and browsing tasks; however, the limited size of the display screen makes creating effective global views difficult. We have developed a technique for displaying and navigating large information spaces. The key concept is the use of an...
false
false
[ "Dean F. Jerding", "John T. Stasko" ]
[]
[]
[]
InfoVis
1,995
Towards a generative theory of diagram design
10.1109/INFVIS.1995.528681
We describe the theoretical background for AVE, an automatic visualization engine for semantic networks. We have a functional notion of aesthetics and therefore understand meaningfulness as a central issue for information visualization. This implies that the diagrams should communicate the characteristics of the data a...
false
false
[ "Klaus Reichenberger", "Thomas Kamps", "Gene Golovchinsky" ]
[]
[]
[]
InfoVis
1,995
Visualisation for functional design
10.1109/INFVIS.1995.528680
We present two novel visualisation tools: the Influence Explorer and the Prosection Matrix. These were specifically created to support engineering artifact design and similar tasks in which a set of parameter values must be chosen to lead to acceptable artifact performance. These tools combine two concepts. One is the ...
false
false
[ "Robert Spence", "Lisa Tweedie", "Huw Dawkes", "Hua Su" ]
[]
[]
[]
InfoVis
1,995
Visualizing the non-visual: spatial analysis and interaction with information from text documents
10.1109/INFVIS.1995.528686
The paper describes an approach to IV that involves spatializing text content for enhanced visual browsing and analysis. The application arena is large text document corpora such as digital libraries, regulations and procedures, archived reports, etc. The basic idea is that text content from these sources may be transf...
false
false
[ "James A. Wise", "James J. Thomas", "Kelly Pennock", "David Lantrip", "Marc Pottier", "Anne Schur", "Vern Crow" ]
[ "TT" ]
[]
[]
InfoVis
1,995
VRMosaic: WEB access from within a virtual environment
10.1109/INFVIS.1995.528687
Virtual reality can aid in designing large and complex structures such as ships, skyscrapers, factories, and aircraft. But before VR can realize this potential, we need to solve a number of problems. One of these problems: the user's need to see and interact with non-geometric information is examined. Our VR environmen...
false
false
[ "Ian G. Angus", "Henry Sowizral" ]
[]
[]
[]
CHI
1,995
A Focus+Context Technique Based on Hyperbolic Geometry for Visualizing Large Hierarchies
10.1145/223904.223956
We present a new focus+context (fisheye) technique for visualizing and manipulating large hierarchies. Our technique assigns more display space to a portion of the hierarchy while still embedding it in the context of the entire hierarchy. The essence of this scheme is to lay out the hierarchy in a uniform way on a hype...
false
false
[ "John Lamping", "Ramana Rao", "Peter Pirolli" ]
[]
[]
[]
CHI
1,995
An Organic User Interface for Searching Citation Links
10.1145/223904.223913
This paper describes Butterfly, an Information Visualizer application for accessing DIALOG'S Science Citation databases across the Internet. Network information often involves slow access that conflicts with the use of highly-interactive information visualization. Butterfly addresses this problem, integrating search, b...
false
false
[ "Jock D. Mackinlay", "Ramana Rao", "Stuart K. Card" ]
[]
[]
[]
CHI
1,995
Articulating a Metaphor through User-Centered Design
10.1145/223904.223981
TabWorksTM book metaphor enhances the standard WindowsTM user interface, providing an alternative way to organize applications and documents in a familiar, easy to use environment. The TabWorks interface was designed collaboratively by IDEO and XSoft and was based on a concept developed at Xerox PARe. This briefing des...
false
false
[ "H. J. Moll-Carrillo", "Gitta Salomon", "Matthew Marsh", "Jane Fulton Suri", "Peter Spreenberg" ]
[]
[]
[]
CHI
1,995
Bridging the Gulf Between Code and Behavior in Programming
10.1145/223904.223969
Program debugging can be an expensive, complex and frustrating process. Conventional programming environments provide little explicit support for the cognitive tasks of diagnosis and visualization faced by the programmer.
false
false
[ "Henry Lieberman", "Christopher Fry" ]
[]
[]
[]
CHI
1,995
Electronic Futures Markets versus Floor Trading: Implications for Interface Design
10.1145/223904.223942
The primary concern in designing an interface for an electronic trading system is the impact on market liquidity [9]. Current systems make use of efficient order-execution algorithms but fail to capture elements of the trading floor that contribute to an efficient market [9]. We briefly describe tasks conducted in futu...
false
false
[ "Satu S. Parikh", "Gerald L. Lohse" ]
[]
[]
[]
CHI
1,995
GeoSpace: An Interactive Visualization System for Exploring Complex Information Spaces
10.1145/223904.223959
This paper presents a reactive interface display which allows information seekers to explore complex information spaces. We have adopted information seeking dialogue as a fundamental model of interaction and implemented a prototype system in the mapping domain-GeoSpace-which progressively provides information upon a us...
false
false
[ "Ishantha Lokuge", "Suguru Ishizaki" ]
[]
[]
[]
CHI
1,995
Providing Assurances in a Multimedia Interactive Environment
10.1145/223904.223936
In ordinary telephone calls, we rely on cues for the assurance that the connection is active and that the other party is listening to what we are saying. For instance, noise on the line (whether it be someone's voice, traffic sounds, or background static from a bad connection) tells us about the state of our connection...
false
false
[ "Dorée D. Seligmann", "Rebecca Mercuri", "John T. Edmark" ]
[]
[]
[]
CHI
1,995
Space-Scale Diagrams: Understanding Multiscale Interfaces
10.1145/223904.223934
Big information worlds cause big problems for interfaces. There is too much to see. They are hard to navigate. An armada of techniques has been proposed to present the many scales of information needed. Space-scale diagrams provide an analytic framework for much of this work. By representing both a spatial world and it...
false
false
[ "George W. Furnas", "Benjamin B. Bederson" ]
[]
[]
[]
CHI
1,995
TileBars: Visualization of Term Distribution Information in Full Text Information Access
10.1145/223904.223912
The field of information retrieval has traditionally focused on textbases consisting of titles and abstracts. As a consequence, many underlying assumptions must be altered for retrieval from full-length text collections. This paper argues for making use of text structure when retrieving from full text documents, and pr...
false
false
[ "Marti A. Hearst" ]
[]
[]
[]
CHI
1,995
Virtual Reality on a WIM: Interactive Worlds in Miniature
10.1145/223904.223938
This paper explores a user interface technique which augments an immersive head tracked display with a hand-held miniature copy of the virtual environment. We call this interface technique the Worlds in Miniature (WIM) metaphor. By establishing a direct relationship between life-size objects in the virtual world and mi...
false
false
[ "Richard Stoakley", "Matthew Conway", "Randy F. Pausch" ]
[]
[]
[]
CHI
1,995
Visualizing Complex Hypermedia Networks through Multiple Hierarchical Views
10.1145/223904.223947
Our work concerns visualizing the information space of hypermedia systems using multiple hierarchical views. Although overview diagrams are useful for helping the user to navigate in a hypermedia system, for any real-world system they become too complicated and large to be really useful. This is because these diagrams ...
false
false
[ "Sougata Mukherjea", "James D. Foley", "Scott E. Hudson" ]
[]
[]
[]
Vis
1,994
3D visualization of unsteady 2D airplane wake vortices
10.1109/VISUAL.1994.346328
Air flowing around the wing tips of an airplane forms horizontal tornado-like vortices that can be dangerous to following aircraft. The dynamics of such vortices, including ground and atmospheric effects, can be predicted by numerical simulation, allowing the safety and capacity of airports to be improved. We introduce...
false
false
[ "Kwan-Liu Ma", "Z. C. Zheng" ]
[]
[]
[]
Vis
1,994
A case study on visualization for boundary value problems
10.1109/VISUAL.1994.346299
In this paper we present a method, and a software based on this method, making highly inter-active visualization possible for computational results on nonlinear BVPs associated with ODEs. The program PCR relies partly on computer graphics tools and partly on real-time computations, the combination of which not only hel...
false
false
[ "Gábor Domokos", "Randy C. Paffenroth" ]
[]
[]
[]
Vis
1,994
A distributed, parallel, interactive volume rendering package
10.1109/VISUAL.1994.346341
This paper presents a parallel ray-casting volume rendering algorithm and its implementation on the massively parallel IBM SP-1 computer using the Chameleon message passing library. Though this algorithm takes advantage of many of the unique features of the SP-1 (e.g. high-speed switch, large memory per node, high-spee...
false
false
[ "John S. Rowlan", "G. Edward Lent", "Nihar Gokhale", "Shannon Bradshaw" ]
[]
[]
[]
Vis
1,994
A lattice model for data display
10.1109/VISUAL.1994.346304
In order to develop a foundation for visualization, we develop lattice models for data objects and displays that focus on the fact that data objects are approximations to mathematical objects and real displays are approximations to ideal displays. These lattice models give us a way to quantize the information content o...
false
false
[ "Bill Hibbard", "Charles R. Dyer", "Brian E. Paul" ]
[]
[]
[]
Vis
1,994
A library for visualizing combinatorial structures
10.1109/VISUAL.1994.346323
Describes ANIM3D, a 3D animation library targeted at visualizing combinatorial structures. In particular, we are interested in algorithm animation. Constructing a new view for an algorithm typically takes dozens of design iterations, and can be very time-consuming. Our library eases the programmer's burden by providing...
false
false
[ "Marc Najork", "Marc H. Brown" ]
[]
[]
[]
Vis
1,994
An annotation system for 3D fluid flow visualization
10.1109/VISUAL.1994.346309
Annotation is a key activity of data analysis. However, current data analysis systems focus almost exclusively on visualization. We propose a system which integrates annotations into a visualization system. Annotations are embedded in 3D data space, using the Post-it metaphor. This embedding allows contextual-based inf...
false
false
[ "Maria M. Loughlin", "John F. Hughes" ]
[]
[]
[]
Vis
1,994
An evaluation of reconstruction filters for volume rendering
10.1109/VISUAL.1994.346331
To render images from a three-dimensional array of sample values, it is necessary to interpolate between the samples. This paper is concerned with interpolation methods that are equivalent to convolving the samples with a reconstruction filter; this covers all commonly used schemes, including trilinear and cubic interp...
false
false
[ "Steve Marschner", "Richard Lobb" ]
[ "TT" ]
[]
[]
Vis
1,994
An object oriented design for the visualization of multi-variable data objects
10.1109/VISUAL.1994.346303
This paper presents an object-oriented system design supporting the composition of scientific data visualization techniques based on the definition of hierarchies of typed data objects and tools. Traditional visualization systems focus on creating graphical objects which often cannot be re-used for further processing. ...
false
false
[ "Jean-Marie Favre", "James K. Hahn" ]
[]
[]
[]
Vis
1,994
Approximation of isosurface in the Marching Cube: ambiguity problem
10.1109/VISUAL.1994.346307
The purpose of the article is the consideration of the problem of ambiguity over the faces arising in the Marching Cube algorithm. The article shows that for unambiguous choice of the sequence of the points of intersection of the isosurface with edges confining the face it is sufficient to sort them along one of the co...
false
false
[ "Sergey V. Matveyev" ]
[]
[]
[]
Vis
1,994
Challenges and opportunities in visualization for NASA's EOS Mission to Planet Earth
10.1109/VISUAL.1994.346289
Visualization will be vital to the success of the NASA EOS Mission to Planet Earth (MTPE), which will gather, generate, and distribute an unprecedented volume of data for the purpose of global change research and environmental policy decisions. The paper focuses on the challenges and opportunities for visualization wit...
false
false
[ "Mike E. Botts", "Jon D. Dykstra", "Lee S. Elson", "Steven J. Goodman", "Meemong Lee" ]
[]
[]
[]
Vis
1,994
Differential volume rendering: a fast volume visualization technique for flow animation
10.1109/VISUAL.1994.346321
We present a direct volume rendering algorithm to speed up volume animation for flow visualizations. Data coherency between consecutive simulation time steps is used to avoid casting rays from those pixels retaining color values assigned to the previous image. The algorithm calculates the differential information among...
false
false
[ "Han-Wei Shen", "Christopher R. Johnson 0001" ]
[]
[]
[]
Vis
1,994
Discretized Marching Cubes
10.1109/VISUAL.1994.346308
Since the introduction of standard techniques for isosurface extraction from volumetric datasets, one of the hardest problems has been to reduce the number of triangles (or polygons) generated. The paper presents an algorithm that considerably reduces the number of polygons generated by a Marching Cubes-like scheme (W....
false
false
[ "Claudio Montani", "Riccardo Scateni", "Roberto Scopigno" ]
[]
[]
[]
Vis
1,994
Fast surface rendering from raster data by voxel traversal using chessboard distance
10.1109/VISUAL.1994.346320
The increasing distinguishing capability of tomographic and other 3D scanners as well as the new voxelization algorithms place new demands on visualization techniques aimed at interactivity and rendition quality. Among others, triangulation on a subvoxel level based on the marching cube algorithm has gained popularity ...
false
false
[ "Milos Srámek" ]
[]
[]
[]
Vis
1,994
Feature detection from vector quantities in a numerically simulated hypersonic flow field in combination with experimental flow visualization
10.1109/VISUAL.1994.346329
In computational fluid dynamics visualization is a frequently used tool for data evaluation, understanding of flow characteristics, and qualitative comparison to flow visualizations originating from experiments. Building on an existing visualization software system, that allows for a careful selection of state-of-the-a...
false
false
[ "Hans-Georg Pagendarm", "Birgit Walter" ]
[]
[]
[]
Vis
1,994
GASP-a system for visualizing geometric algorithms
10.1109/VISUAL.1994.346325
This paper describes a system, GASP, that facilitates the visualization of geometric algorithms. The user need not have any knowledge of computer graphics in order to quickly generate a visualization. The system is also intended to facilitate the task of implementing and debugging geometric algorithms. The viewer is pr...
false
false
[ "Ayellet Tal", "David P. Dobkin" ]
[]
[]
[]
Vis
1,994
Implicit modeling of swept surfaces and volumes
10.1109/VISUAL.1994.346339
Swept surfaces and volumes are generated by moving a geometric model through space. Swept surfaces and volumes are important in many computer-aided design applications including geometric modeling, numerical cutter path generation, and spatial path planning. In this paper we describe a numerical algorithm to generate s...
false
false
[ "William J. Schroeder", "William E. Lorensen", "Steve Linthicum" ]
[]
[]
[]
Vis
1,994
Integrated control of distributed volume visualization through the World-Wide-Web
10.1109/VISUAL.1994.346342
The World-Wide-Web (WWW) has created a new paradigm for online information retrieval by providing immediate and ubiquitous access to digital information of any type from data repositories located throughout the world. The web's development enables not only effective access for the generic user but also more efficient a...
false
false
[ "Cheong S. Ang", "David C. Martin", "Michael D. Doyle" ]
[]
[]
[]
Vis
1,994
Integrating spatial data display with virtual reconstruction
10.1109/VISUAL.1994.346296
In the process of archaeological excavation, a vast amount of data, much of it three-dimensional in nature, is recorded. In recent years, computer graphics techniques have been applied to the task of visualizing such data. In particular, data visualization has been used to accomplish the virtual reconstruction of site ...
false
false
[ "Philip Peterson", "Brian Hayden", "F. David Fracchia" ]
[]
[]
[]
Vis
1,994
Introducing alpha shapes for the analysis of path integral Monte Carlo results
10.1109/VISUAL.1994.346337
We present a new technique for the visualization and analysis of the results from Monte Carlo simulations based on /spl alpha/-complexes and /spl alpha/-shapes. The specific application presented is the analysis of the quantum-mechanical behavior of hydrogen molecules and helium atoms on a surface at very low temperatu...
false
false
[ "Patrick J. Moran", "Marcus Wagner" ]
[]
[]
[]
Vis
1,994
Isosurface generation by using extrema graphs
10.1109/VISUAL.1994.346334
A high-performance algorithm for generating isosurfaces is presented. In this algorithm, extrema points in a scalar field are first extracted. A graph is then generated in which the extrema points are taken as nodes. Each arc of the graph has a list of IDs of the cells that are intersected by the arc. A boundary cell l...
false
false
[ "Takayuki Itoh", "Koji Koyamada" ]
[]
[]
[]
Vis
1,994
Mix&Match: a construction kit for visualization
10.1109/VISUAL.1994.346305
We present an environment in which users can interactively create different visualization methods. This modular and extensible environment encapsulates most of the existing visualization algorithms. Users can easily construct new visualization methods by combining simple, fine grain building blocks. These components op...
false
false
[ "Alex T. Pang", "Naim Alper" ]
[]
[]
[]
Vis
1,994
New techniques in the design of healthcare facilities
10.1109/VISUAL.1994.346293
The recent advent of computer graphics techniques has helped to bridge the gap between architectural concepts and actual buildings. Closing this gap is especially critical in healthcare facilities. We present new techniques to support the design decision process and apply them to the design of a neonatal intensive care...
false
false
[ "Tarek K. Alameldin", "Mardelle Shepley" ]
[]
[]
[]
Vis
1,994
Nonpolygonal isosurface rendering for large volume datasets
10.1109/VISUAL.1994.346306
Surface-based rendering techniques, particularly those that extract a polygonal approximation of an isosurface, are widely used in volume visualization. As dataset size increases though, the computational demands of these methods can overwhelm typically available computing resources. Recent work on accelerating such te...
false
false
[ "James W. Durkin", "John F. Hughes" ]
[]
[]
[]
Vis
1,994
Observing a volume rendered fetus within a pregnant patient
10.1109/VISUAL.1994.346295
Augmented reality systems with see-through headmounted displays have been used primarily for applications that are possible with today's computational capabilities. We explore possibilities for a particular application-in-place, real-time 3D ultrasound visualization-without concern for such limitations. The question is...
false
false
[ "Andrei State", "David T. Chen", "Chris Tector", "Andrew Brandt", "Hong Chen", "Ryutarou Ohbuchi", "Michael Bajura", "Henry Fuchs" ]
[]
[]
[]
Vis
1,994
Parallel performance measures for volume ray casting
10.1109/VISUAL.1994.346319
Describes a technique for achieving fast volume ray-casting on parallel machines, using a load-balancing scheme and an efficient pipelined approach to compositing. We propose a new model for measuring the amount of work one needs to perform in order to render a given volume, and we use this model to obtain a better loa...
false
false
[ "Cláudio T. Silva", "Arie E. Kaufman" ]
[]
[]
[]
Vis
1,994
Piecewise-linear surface approximation from noisy scattered samples
10.1109/VISUAL.1994.346336
We consider the problem of approximating a smooth surface f(x, y), based on n scattered samples {(x/sub i/, y/sub i/, z/sub i/)/sub i=1//sup n/} where the sample values {z/sub i/} are contaminated with noise: z/sub i/=f(x/sub i/, y/sub i/)=/spl epsiv//sub i/. We present an algorithm that generates a PLS (piecewise line...
false
false
[ "Michael Margaliot", "Craig Gotsman" ]
[]
[]
[]
Vis
1,994
Progressive transmission of scientific data using biorthogonal wavelet transform
10.1109/VISUAL.1994.346332
An important issue in scientific visualization systems is the management of data sets. Most data sets in scientific visualization, whether created by measurement or simulation, are usually voluminous. The goal of data management is to reduce the storage space and the access time of these data sets to speed up the visua...
false
false
[ "Hai Tao", "Robert J. Moorhead II" ]
[]
[]
[]
Vis
1,994
Restorer: a visualization technique for handling missing data
10.1109/VISUAL.1994.346317
Pseudocoloring is a frequently used technique in scientific visualization for mapping a color to a data value. When using pseudocolor and animation to visualize data that contain missing regions displayed as black or transparent, the missing regions popping in and out can distract the viewer from the more relevant info...
false
false
[ "Ray Twiddy", "John Cavallo", "Shahram M. Shiri" ]
[]
[]
[]
Vis
1,994
Severe rainfall events in Northwestern Peru (visualization of scattered meteorological data)
10.1109/VISUAL.1994.346298
The ordinarily arid climate of coastal Peru is disturbed every few years by a phenomenon called El Nino, characterized by a warming in the Pacific Ocean. Severe rainstorms are one of the consequences of El Nino, which cause great damage. An examination of daily data from 66 rainfall stations in the Chiura-Piura region ...
false
false
[ "Lloyd Treinish" ]
[]
[]
[]
Vis
1,994
Spiders: a new user interface for rotation and visualization of n-dimensional point sets
10.1109/VISUAL.1994.346318
We present a new method for creating n-dimensional rotation matrices from manipulating the projections of n-dimensional data coordinate axes onto a viewing plane. A user interface for n-dimensional rotation is implemented. The interface is shown to have no rotational hysteresis.<<ETX>>
false
false
[ "Kirk L. Duffin", "Bill Barrett" ]
[]
[]
[]
Vis
1,994
Strata-various: multi-layer visualization of dynamics in software system behavior
10.1109/VISUAL.1994.346322
Current software visualization tools are inadequate for understanding, debugging, and tuning realistically complex applications. These tools often present only static structure, or they present dynamics from only a few of the many layers of a program and its underlying system. This paper introduces "PV", a prototype pr...
false
false
[ "Doug Kimelman", "Bryan S. Rosenburg", "Tova Roth" ]
[]
[]
[]
Vis
1,994
Streamball techniques for flow visualization
10.1109/VISUAL.1994.346315
We introduce the concept of streamballs for flow visualization. Streamballs are based upon implicit surface generation techniques adopted from the well-known metaballs. Their property to split or merge automatically in areas of significant divergence or convergence makes them an ideal tool for the visualization of arbi...
false
false
[ "Manfred Brill", "Hans Hagen", "Hans-Christian Rodrian", "Wladimir Djatschin", "Stanislav V. Klimenko" ]
[]
[]
[]
Vis
1,994
The design and implementation of the Cortex visualization system
10.1109/VISUAL.1994.346310
Cortex has been designed for interactive analysis and display of simulation data generated by CFD applications based on unstructured-grid solvers. Unlike post-processing visualization environments, Cortex is designed to work in co-processing mode with the CFD application. This significantly reduces data storage and dat...
false
false
[ "Deb Banerjee", "Chris Morley", "Wayne Smith" ]
[]
[]
[]
Vis
1,994
The topology of symmetric, second-order tensor fields
10.1109/VISUAL.1994.346326
We study the topology of symmetric, second-order tensor fields. The goal is to represent their complex structure by a simple set of carefully chosen points and lines analogous to vector field topology. We extract topological skeletons of the eigenvector fields, and we track their evolution over time. We study tensor to...
false
false
[ "Thierry Delmarcelle", "Lambertus Hesselink" ]
[ "BP" ]
[]
[]
Vis
1,994
Tokamak plasma turbulence visualization
10.1109/VISUAL.1994.346301
One of the most fundamental issues in magnetic fusion research is the understanding of turbulent transport observed in present-day tokamak experiments. Plasma turbulence is very challenging from a theoretical point of view due to the nonlinearity and high dimensionality of the governing equations. Recent developments i...
false
false
[ "Scott E. Parker", "Ravi Samtaney" ]
[]
[]
[]
Vis
1,994
Triangulation and display of rational parametric surfaces
10.1109/VISUAL.1994.346335
We present a comprehensive algorithm to construct a topologically correct triangulation of the real affine part of a rational parametric surface with few restrictions on the defining rational functions. The rational functions are allowed to be undefined on domain curves (pole curves) and at certain special points (base...
false
false
[ "Chandrajit L. Bajaj", "Andrew V. Royappa" ]
[]
[]
[]
Vis
1,994
UFAT-a particle tracer for time-dependent flow fields
10.1109/VISUAL.1994.346311
Time-dependent (unsteady) flow fields are commonly generated in computational fluid dynamics (CFD) simulations; however, there are very few flow visualization systems that generate particle traces in unsteady flow fields. Most existing systems generate particle traces in time-independent flow fields. A particle tracing...
false
false
[ "David A. Lane" ]
[]
[]
[]
Vis
1,994
User modeling for adaptive visualization systems
10.1109/VISUAL.1994.346316
Meaningful scientific visualizations benefit the interpretation of scientific data, concepts and processes. To ensure meaningful visualizations, the visualization system needs to adapt to desires, disabilities and abilities of the user, interpretation aim, resources (hardware, software) available, and the form and cont...
false
false
[ "Gitta Domik", "Bernd Gutkauf" ]
[]
[]
[]
Vis
1,994
Validation, verification and evaluation
10.1109/VISUAL.1994.346285
A discussion is given on the validation, verification and evaluation of scientific visualization software. A "bug" usually refers to software doing something different than the programmer intended. Comprehensive testing, especially for software intended for use in innovative environments, is hard. Descriptions and summ...
false
false
[ "Samuel P. Uselton", "Geoff Dorn", "Charbel Farhat", "Michael W. Vannier", "Kim H. Esbensen", "Al Globus" ]
[]
[]
[]
Vis
1,994
Virtual reality performance for virtual geometry
10.1109/VISUAL.1994.346324
We describe the theoretical and practical visualization issues solved in the implementation of an interactive real-time four-dimensional geometry interface for the CAVE, an immersive virtual reality environment. While our specific task is to produce a "virtual geometry" experience by approximating physically correct re...
false
false
[ "Robert A. Cross", "Andrew J. Hanson" ]
[]
[]
[]
Vis
1,994
Visualization and data analysis in space and atmospheric science
10.1109/VISUAL.1994.346300
In this paper we show how SAVS, a tool for visualization and data analysis in space and atmospheric science, can be used to quickly and easily address problems that would previously have been far more laborious to solve. Based on the popular AVS package, SAVS presents the user with an environment tailored specifically ...
false
false
[ "A. Mankofsky", "E. P. Szuszczewicz", "P. Blanchard", "C. Goodrich", "D. McNabb", "R. Kulkarni", "D. Kamins" ]
[]
[]
[]
Vis
1,994
Visualization and geographic information system integration: what are the needs and the requirements, if any?
10.1109/VISUAL.1994.346284
Addresses the needs and requirements of integrating visualization and geographic information system technologies. There are three levels of integration methods: rudimentary, operational and functional. The rudimentary approach uses the minimum amount of data sharing and exchange between these two technologies. The oper...
false
false
[ "Theresa-Marie Rhyne", "William Ivey", "Loey Knapp", "Peter Kochevar", "Tom Mace" ]
[]
[]
[]
Vis
1,994
Visualization in medicine: VIRTUAL reality or ACTUAL reality ?
10.1109/VISUAL.1994.346288
Discusses and debates the role played by 3D visualization in medicine as a set of methods and techniques for displaying 3D spatial information related to the anatomy and the physiology of the human body.<<ETX>>
false
false
[ "Christian Roux", "Jean-Louis Coatrieux", "Jean-Louis Dillenseger", "Elliot K. Fishman", "Murray H. Loew", "Hans-Peter Meinzer", "Justin D. Pearlman" ]
[]
[]
[]
Vis
1,994
Visualization of 3D ultrasonic data
10.1109/VISUAL.1994.346294
3D ultrasound is one of the most interesting non-invasive, non-radiative tomographic techniques. Rendering 3D models from such data is not straightforward due to the noisy, fuzzy nature of ultrasound imaging containing a lot of artefacts. We first apply speckle, median and gaussian prefiltering to improve the image qua...
false
false
[ "Georgios Sakas", "Lars-Arne Schreyer", "Marcus Grimm" ]
[ "BCS" ]
[]
[]
Vis
1,994
Visualization of an electric power transmission system
10.1109/VISUAL.1994.346292
Visualization techniques are applied to an electric power system transmission network to create a graphical picture of network power flows and voltages. A geographic data map is used. Apparent power flow is encoded as the width of an arrow, with direction from real power flow. Flows are superposed on flow limits. Conto...
false
false
[ "Pramod M. Mahadev", "Richard D. Christie" ]
[]
[]
[]
Vis
1,994
Visualization of mesoscale flow features in ocean basins
10.1109/VISUAL.1994.346297
Environmental issues such as global warming are an active area of international research and concern today. This case study describes various visualization paradigms that have been developed and applied in an attempt to elucidate the information provided by environmental models and observations. The ultimate goal is to...
false
false
[ "Andreas Johannsen", "Robert J. Moorhead II" ]
[]
[]
[]
Vis
1,994
Visualization of volcanic ash clouds
10.1109/VISUAL.1994.346290
Ash clouds resulting from volcanic eruptions are a serious hazard to aviation safety. In Alaska alone, there are over 40 active volcanoes whose eruptions may affect more than 40,000 flights using the great circle polar routes each year. The clouds are especially problematic because they are invisible to radar and nearl...
false
false
[ "Mitchell Roth", "Rick Guritz" ]
[]
[]
[]
Vis
1,994
Visualizing 3D velocity fields near contour surfaces
10.1109/VISUAL.1994.346312
Vector field rendering is difficult in 3D because the vector icons overlap and hide each other. We propose four different techniques for visualizing vector fields only near surfaces. The first uses motion blurred particles in a thickened region around the surface. The second uses a voxel grid to contain integral curves...
false
false
[ "Nelson L. Max", "Roger Crawfis", "Charles Grant" ]
[]
[]
[]
Vis
1,994
Visualizing data: is virtual reality the key?
10.1109/VISUAL.1994.346286
A visualization goal is to simplify the analysis of large-quantity, numerical data by rendering the data as an image that can be intuitively manipulated. The question the article addresses is whether or not virtual reality techniques are the cure-all to the dilemma of visualizing increasing amounts of data. It determin...
false
false
[ "Linda M. Stone", "Thomas Erickson", "Benjamin B. Bederson", "Peter Rothman", "Raymond Muzzy" ]
[]
[]
[]
Vis
1,994
Visualizing flow over curvilinear grid surfaces using line integral convolution
10.1109/VISUAL.1994.346313
Line integral convolution (LIC), introduced by B. Cabral and C. Leedom (1993), is a powerful technique for imaging and animating vector fields. We extend the LIC paradigm in three ways: the existing technique is limited to vector fields over a regular Cartesian grid and we extend it to vector fields over parametric sur...
false
false
[ "Lisa K. Forssell" ]
[ "BP" ]
[]
[]
Vis
1,994
Visualizing flow with quaternion frames
10.1109/VISUAL.1994.346330
Flow fields, geodesics, and deformed volumes are natural sources of families of space curves that can be characterized by intrinsic geometric properties such as curvature, torsion, and Frenet frames. By expressing a curve's moving Frenet coordinate frame as an equivalent unit quaternion, we reduce the number of compone...
false
false
[ "Andrew J. Hanson", "Hui Ma" ]
[]
[]
[]
Vis
1,994
Visualizing multidimensional (multivariate) data and relations
10.1109/VISUAL.1994.346287
The paper provides a review of the field of multidimensional data visualisation and discusses some promising methodologies. It considers some crucial problems and directions. The emphasis is more on concepts and foundations rather than ad hoc methods. Visualization is considered as a collection of transformations from ...
false
false
[ "Alfred Inselberg", "Georges G. Grinstein", "Ted Mihalisin", "Hans Hinterberger" ]
[]
[]
[]
Vis
1,994
Visualizing polycrystalline orientation microstructures with spherical color maps
10.1109/VISUAL.1994.346338
Spherical color maps can be an effective tool in the microstructure visualization of polycrystals. Electron backscatter diffraction pattern analysis provides large arrays of the orientation data that can be visualized easily using the technique described in this paper. A combination of this technique with the tradition...
false
false
[ "Boris Yamrom", "John A. Sutliff", "Andrew P. Woodfield" ]
[]
[]
[]
Vis
1,994
Volume rendering methods for computational fluid dynamics visualization
10.1109/VISUAL.1994.346314
The paper describes three alternative volume rendering approaches to visualizing computational fluid dynamics (CFD) data. One new approach uses realistic volumetric gas rendering techniques to produce photo-realistic images and animations from scalar CFD data. The second uses ray casting that is based an a sampler illu...
false
false
[ "David S. Ebert", "Roni Yagel", "James N. Scott", "Yair Kurzion" ]
[]
[]
[]
Vis
1,994
Volume rendering of pool fire data
10.1109/VISUAL.1994.346291
We describe how techniques from computer graphics are used to visualize pool fire data and compute radiative effects from pool fires. The basic tools are ray casting and accurate line integration using the RADCAL program. Example images in the visible and infrared band are shown which are given of irradiation calculati...
false
false
[ "Holly E. Rushmeier", "Anthony Hamins", "Mun-Young Choi" ]
[]
[]
[]
Vis
1,994
VolVis: a diversified volume visualization system
10.1109/VISUAL.1994.346340
VolVis is a diversified, easy to use, extensible, high performance, and portable volume visualization system for scientists and engineers as well as for visualization developers and researchers. VolVis accepts as input 3D scalar volumetric data as well as 3D volume-sampled and classical geometric models. Interaction wi...
false
false
[ "Ricardo S. Avila", "Taosong He", "Lichan Hong", "Arie E. Kaufman", "Hanspeter Pfister", "Cláudio T. Silva", "Lisa M. Sobierajski", "Sidney W. Wang" ]
[]
[]
[]
Vis
1,994
Vortex tubes in turbulent flows: identification, representation, reconstruction
10.1109/VISUAL.1994.346327
A new algorithm for identifying vortices in complex flows is presented. The scheme uses both the vorticity and pressure fields. A skeleton line along the center of a vortex is produced by a two-step predictor-corrector scheme. The technique uses the vector field to move in the direction of the skeleton line and the sca...
false
false
[ "David C. Banks", "Bart A. Singer" ]
[]
[]
[]
Vis
1,994
Wavelet-based volume morphing
10.1109/VISUAL.1994.346333
This paper presents a technique for performing volume morphing between two volumetric datasets in the wavelet domain. The idea is to decompose the volumetric datasets into a set of frequency bands, apply smooth interpolation to each band, and reconstruct to form the morphed model. In addition, a technique for establish...
false
false
[ "Taosong He", "Sidney W. Wang", "Arie E. Kaufman" ]
[]
[]
[]
Vis
1,994
XmdvTool: integrating multiple methods for visualizing multivariate data
10.1109/VISUAL.1994.346302
Much of the attention in visualization research has focussed on data rooted in physical phenomena, which is generally limited to three or four dimensions. However, many sources of data do not share this dimensional restriction. A critical problem in the analysis of such data is providing researchers with tools to gain ...
false
false
[ "Matthew O. Ward" ]
[]
[]
[]
CHI
1,994
Passive real-world interface props for neurosurgical visualization
10.1145/191666.191821
We claim that physical manipulation of familiar real-world objects in the user’s real environment is an important technique for the design of three-dimensional user interfaces. These real-world passive inte~ace props are manipulated by the user to specify spatial relationships between interface objects. By unobtrusivel...
false
false
[ "Ken Hinckley", "Randy Pausch", "John C. Goble", "Neal F. Kassell" ]
[]
[]
[]
CHI
1,994
The cost-of-knowledge characteristic function: display evaluation for direct-walk dynamic information visualizations
10.1145/191666.191753
In this paper we present a method, the Cost-of-Knowledge Characteristic Function, for characterizing information access from dynamic displays. The paper works out this method for a simple, but important, class of dynamic displays called direct-walk interactive information visualizations, in which information is accesse...
false
false
[ "Stuart K. Card", "Peter Pirolli", "Jock D. Mackinlay" ]
[]
[]
[]
CHI
1,994
The movable filter as a user interface tool
10.1145/191666.191774
Magic Lens filters are a new user interface tool that combine an arbitrarily-shaped region with an operator that changes the view of objects viewed through that region. These tools can be interactively positioned over on-screen applications much as a magnifying glass is moved over a newspaper. They can be used to help...
false
false
[ "Maureen C. Stone", "Kenneth P. Fishkin", "Eric A. Bier" ]
[]
[]
[]
CHI
1,994
The table lens: merging graphical and symbolic representations in an interactive focus + context visualization for tabular information
10.1145/191666.191776
We present a new visualization, called the Table Lens, for visualizing and making sense of large tables. The visualization uses a focus+context (fisheye) technique that works effectively on tabular information because it allows display of crucial label information and multiple distal focal areas. In addition, a graphic...
false
false
[ "Ramana Rao", "Stuart K. Card" ]
[]
[]
[]
CHI
1,994
Using aggregation and dynamic queries for exploring large data sets
10.1145/191666.191682
When working with large data sets, users perform three primary types of activities: data manipulation, data analysis, and data visualization. The data manipulation process involves the selection and transformation of data prior to viewing. This paper addresses user goals for this process and the interactive interface m...
false
false
[ "Jade Goldstein", "Steven F. Roth" ]
[]
[]
[]