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10
Vis
1,996
Octree-based decimation of marching cubes surfaces
10.1109/VISUAL.1996.568127
The marching cubes (MC) algorithm is a method for generating isosurfaces. It also generates an excessively large number of triangles to represent an isosurface; this increases the rendering time. This paper presents a decimation method to reduce the number of triangles generated. Decimation is carried out before creati...
false
false
[ "Raj Shekhar", "Elias Fayyad", "Roni Yagel", "J. Fredrick Cornhill" ]
[]
[]
[]
Vis
1,996
Opacity-modulating triangular textures for irregular surfaces
10.1109/VISUAL.1996.568111
Many scientific and medical visualization techniques produce irregular surfaces whose shape and structure need to be understood. Examples include tissue and tumor boundaries in medical imaging, molecular surfaces and force thresholds in chemical and pharmaceutical applications, and isosurfaces in a wide range of 3D dom...
false
false
[ "Penny Rheingans" ]
[]
[]
[]
Vis
1,996
Optimizing triangle strips for fast rendering
10.1109/VISUAL.1996.568125
Almost all scientific visualization involving surfaces is currently done via triangles. The speed at which such triangulated surfaces can be displayed is crucial to interactive visualization and is bounded by the rate at which triangulated data can be sent to the graphics subsystem for rendering. Partitioning polygonal...
false
false
[ "Francine Evans", "Steven Skiena", "Amitabh Varshney" ]
[]
[]
[]
Vis
1,996
Perceptualisation using a tactile mouse
10.1109/VISUAL.1996.568104
Whilst there has been considerable effort in constructing force feedback devices for use in virtual environments, and in the use of touch as a prosthesis for the blind, there has been little work on the use of touch in the visualisation or more properly, perceptualisation of data. Touch potentially offers an additional...
false
false
[ "Robert G. Hughes", "A. Robin Forrest" ]
[]
[]
[]
Vis
1,996
Raycasting vector fields
10.1109/VISUAL.1996.567780
Direct Volume Rendering (DVR) allows the holistic visualization of huge volumetric data sets in a single image. Computational fluid dynamics data is in principle well suited for DVR. But efficient mappings of the directional information of vector fields are still to be found. We investigate how the raycasting technique...
false
false
[ "Thomas Frühauf" ]
[]
[]
[]
Vis
1,996
Real-time Accelerators for Volume Rendering
10.1109/VISUAL.1996.568160
null
false
false
[ "Arie E. Kaufman", "Hanspeter Pfister", "Günter Knittel", "Jürgen Hesser", "John C. Goble" ]
[]
[]
[]
Vis
1,996
Real-time incremental visualization of dynamic ultrasound volumes using parallel BSP trees
10.1109/VISUAL.1996.568114
We present a method for producing real-time volume visualizations of continuously captured, arbitrarily-oriented 2D arrays (slices) of data. Our system constructs a 3D representation on-the-fly from incoming 2D ultrasound slices by modeling and rendering the slices as planar polygons with translucent surface textures. ...
false
false
[ "William F. Garrett", "Henry Fuchs", "Mary C. Whitton", "Andrei State" ]
[]
[]
[]
Vis
1,996
Real-time slicing of data space
10.1109/VISUAL.1996.568119
Real time rendering of iso contour surfaces is problematic for large complex data sets. An algorithm is presented that allows very rapid representation of an interval set surrounding an iso contour surface. The algorithm draws upon three main ideas. A fast indexing scheme is used to select only those data points near t...
false
false
[ "Roger Crawfis" ]
[]
[]
[]
Vis
1,996
Results in mathematics and music: Visualization of roughness in musical consonance
10.1109/VISUAL.1996.568130
The definition of consonance as the ability to resolve a sound into the pitch categories is introduced. For a vector space of chords a norm is used to evaluate the consonance linearly in dependence of the instrument used. It is shown that in the corresponding Hilbert space the chords which usually appear together in a ...
false
false
[ "Florian Sobieczky" ]
[]
[]
[]
Vis
1,996
Surface Rendering Versus Volume Rendering In Medical Imaging: Techniques And Applications
10.1109/VISUAL.1996.568151
High resolution imaging modalities. combined with advances in computer technology has prompted renewed interest and led to significant progress in volumetric reconstruction of medical images. Clinical assessment of this technique and whether it can provide enhanced diagnostic interpretation is currently under investiga...
false
false
[ "Ramin Shahidi", "William E. Lorensen", "Ron Kikinis", "John Flynn", "Arie E. Kaufman", "Sandy Napel" ]
[]
[]
[]
Vis
1,996
Temporal continuity of levels of detail in Delaunay triangulated terrain
10.1109/VISUAL.1996.567600
The representation of a scene at different levels of detail is necessary to achieve real-time rendering. In aerial views, only the part of the scene that is close to the viewing point needs to be displayed with a high level of detail, while more distant parts can be displayed with a low level of detail. However, when a...
false
false
[ "Daniel Cohen-Or", "Yishay Levanoni" ]
[]
[]
[]
Vis
1,996
The challenges of visualizing and modeling environmental data
10.1109/VISUAL.1996.568145
Existing volume visualization techniques are typically applied to a three-dimensional grid. This presents some challenging problems in the visualization of environmental data. This data often consists of unevenly distributed samples. Typically a two-step approach is used to visualize environmental data. First the uneve...
false
false
[ "Yingcai Xiao", "John P. Ziebarth", "Chuck Woodbury", "Eric Bayer", "Bruce Rundell", "Jeroen van der Zijp" ]
[]
[]
[]
Vis
1,996
The Design and Implementation of an Object-Oriented Toolkit for 3D Graphics and Visualization
10.1109/VISUAL.1996.567752
The Visualization Toolkit (vtk) is a freely available C++ class library for 3D graphics and visualization. We describe core characteristics of the toolkit. This includes a description of object oriented models for graphics and visualization; methods for synchronizing system execution; a summary of data representation s...
false
false
[ "William J. Schroeder", "Ken Martin", "William E. Lorensen" ]
[ "TT" ]
[]
[]
Vis
1,996
Three Dimensional Visualization of Proteins in Cellular Interactions
10.1109/VISUAL.1996.568133
In researching the communication mechanisms between cells of the immune system, visualization of proteins in three dimensions can be used to determine which proteins are capable of interacting with one another at a given time by showing their spatial colocality. Volume data sets are created using digital confocal immun...
false
false
[ "Colin R. F. Monks", "Patricia Crossno", "George S. Davidson", "Constantine J. Pavlakos", "Abraham Kupfer", "Cláudio T. Silva", "Brian N. Wylie" ]
[]
[]
[]
Vis
1,996
Time management, simultaneity and time-critical computation in interactive unsteady visualization environments
10.1109/VISUAL.1996.568117
The paper describes time management and time critical computing for a near real time interactive unsteady visualization environment. Subtle issues regarding the flow of time are described, formalized and addressed. The resulting system correctly reflects time behavior while allowing the user to control the flow of time...
false
false
[ "Steve Bryson", "Sandy Johan" ]
[]
[]
[]
Vis
1,996
Triangular NURBS surface modeling of scattered data
10.1109/VISUAL.1996.568122
We propose to fit triangular NURBS surfaces to noisy, sparse, scattered 3D data while simultaneously localizing and preserving sharp edges. We use a vector voting method to interpolate, from sparse data, three dense potential fields for surfaces, edges, and junctions. The global voting interpolants encode several human...
false
false
[ "Song Han", "Gérard G. Medioni" ]
[]
[]
[]
Vis
1,996
Two-handed interactive stereoscopic visualization
10.1109/VISUAL.1996.568109
This paper describes a minimally immersive interactive system for visualization of multivariate volumetric data. The system, SFA, uses glyph-based volume rendering which does not suffer the initial costs of isosurface rendering or voxel-based volume rendering, while offering the capability of viewing the entire volume....
false
false
[ "David S. Ebert", "Chris Shaw 0002", "Amen Zwa", "Cindy Starr" ]
[]
[]
[]
Vis
1,996
UFLOW: visualizing uncertainty in fluid flow
10.1109/VISUAL.1996.568116
Uncertainty or errors are introduced in fluid flow data as the data is acquired, transformed and rendered. Although researchers are aware of these uncertainties, little has been done to incorporate them in the existing visualization systems for fluid flow. In the absence of integrated presentation of data and its assoc...
false
false
[ "Suresh K. Lodha", "Alex T. Pang", "Robert E. Sheehan", "Craig M. Wittenbrink" ]
[]
[]
[]
Vis
1,996
Untangling Knots by Stochastic Energy Optimization
10.1109/VISUAL.1996.568120
A method for visualizing unknottedness of mathematical knots via energy optimization with simulated annealing is presented. In this method a potential field is formed around a tangled rope that causes it to self-repel. By allowing the rope to evolve in this field in search of an energy minimizing configuration we can d...
false
false
[ "Milana Huang", "Robert P. Grzeszczuk", "Louis H. Kauffman" ]
[]
[]
[]
Vis
1,996
Using visualization in the archaeological excavations of a pre-Inca temple in Peru
10.1109/VISUAL.1996.568132
We describe an on-going project that is using visualization as an indispensable tool for the restoration of the disintegrated ceiling of a ritual precinct that was discovered during archaeological excavations of a group of pre-Inca temples in Peru. This ceiling is unique-it is the only one ever found that has pictures ...
false
false
[ "Alan D. Kalvin", "Alfredo Remy", "Orlando Ardito", "Kim Morla", "Eduardo Nolasco", "Jorge Prado", "Regulo Franco", "Antonio Murga", "Guillermo Wiese" ]
[]
[]
[]
Vis
1,996
Virtual Workbench-a non-immersive virtual environment for visualizing and interacting with 3D objects for scientific visualization
10.1109/VISUAL.1996.568128
The Virtual Workbench (VW) is a non-immersive virtual environment that allows users to view and interact with stereoscopic objects displayed on a workspace similar to a tabletop workspace used in day-to-day life. A VW is an ideal environment for collaborative work where several colleagues can gather around the table to...
false
false
[ "Upul Obeysekare", "Chas Williams", "Jim Durbin", "Lawrence J. Rosenblum", "Robert Rosenberg", "Fernando Grinstein", "Ravi Ramamurthi", "Alexandra Landsberg", "William Sandberg" ]
[]
[]
[]
Vis
1,996
Visualization of Complex Models Using Dynamic Texture-based Simplification
10.1109/VISUAL.1996.567774
We are investigating methods for simplifying complex models for interactive visualizations using texture based representations. The paper presents a simplification method which dynamically "caches" distant geometry into textures and trades off accurate rendering of the distant geometry for performance. Smooth transitio...
false
false
[ "Daniel G. Aliaga" ]
[]
[]
[]
Vis
1,996
Visualization of water quality data for the Chesapeake Bay
10.1109/VISUAL.1996.568146
We discuss a visualization system for the comparison of simulated and measured water quality. The system extends SCIRT (Site Characterization Interactive Research Toolkit), an interactive system originally developed at the NSF Engineering Research Center for Computational Field Simulation at Mississippi State Universit...
false
false
[ "Adam B. Forgang", "Bernd Hamann", "Carl F. Cerco" ]
[]
[]
[]
Vis
1,996
Visualization over the World Wide Web and its application to environmental data
10.1109/VISUAL.1996.567610
Explores the way in which data visualization systems, in particular modular visualization environments, can be used over the World Wide Web. The conventional approach is for the publisher of the data also to be responsible for creating the visualization, and posting it as an image on the Web. This leaves the viewer in ...
false
false
[ "Jason D. Wood", "Ken Brodlie", "Helen Wright" ]
[]
[]
[]
Vis
1,996
Volume Thinning for Automatic Isosurface Propagation
10.1109/VISUAL.1996.568123
An isosurface can be efficiently generated by visiting adjacent intersected cells in order, as if the isosurface were propagating itself. We previously proposed an extrema graph method (T. Itoh and K. Koyamada, 1995), which generates a graph connecting extremum points. The isosurface propagation starts from some of the...
false
false
[ "Takayuki Itoh", "Yasushi Yamaguchi 0001", "Koji Koyamada" ]
[]
[]
[]
Vis
1,996
Volume tracking
10.1109/VISUAL.1996.567807
3D time varying datasets are difficult to visualize and analyze because of the immense amount of data involved. This is especially true when the datasets are turbulent with many evolving amorphous regions, as it is difficult to observe patterns and follow regions of interest. We present our volume based feature trackin...
false
false
[ "Deborah Silver", "Xin Wang" ]
[]
[]
[]
Vis
1,996
Wavelets applied to lossless compression and progressive transmission of floating point data in 3-D curvilinear grids
10.1109/VISUAL.1996.568138
A method of lossless compression using wavelets is presented that enables progressive transmission of computational fluid dynamics (CFD) data in PLOT3D format. The floating point data is first converted to double-precision floating point format to maintain adequate precision throughout the transform process. It is then...
false
false
[ "Aaron Trott", "Robert J. Moorhead II", "John McGinley" ]
[]
[]
[]
InfoVis
1,996
Animating multidimensional scaling to visualize N-dimensional data sets
10.1109/INFVIS.1996.559223
Many techniques have been developed for visualizing multivariate (multidimensional) data. Most, if not all, are limited by the number of dimensions which can be effectively displayed. Multidimensional scaling (MDS) is an iterative non-linear technique for projecting n-D data down to a lower number of dimensions. This w...
false
false
[ "Chris Bentley", "Matthew O. Ward" ]
[]
[]
[]
InfoVis
1,996
Data characterization for automatically visualizing heterogeneous information
10.1109/INFVIS.1996.559211
Automated graphical generation systems should be able to design effective presentations for heterogeneous (quantitative and qualitative) information in static or interactive environments. When building such a system, it is important to thoroughly understand the presentation-related characteristics of domain-specific in...
false
false
[ "Michelle X. Zhou", "Steven K. Feiner" ]
[]
[]
[]
InfoVis
1,996
DEPICT: Documents Evaluated as Pictures. Visualizing information using context vectors and self-organizing maps
10.1109/INFVIS.1996.559228
HNC Software, Inc. has developed a system called DEPICT for visualizing the information content of large textual corpora. The system is built around two separate neural network methodologies: context vectors and self-organizing maps. Context vectors (CVs) are high dimensional information representations that encode the...
false
false
[ "David A. Rushall", "Marc R. Ilgen" ]
[]
[]
[]
InfoVis
1,996
Distortion viewing techniques for 3-dimensional data
10.1109/INFVIS.1996.559215
As the use of 3D information presentation becomes more prevalent, the need for effective viewing tools grows accordingly. Much work has been done in developing tools for 2D spaces which allow for detail in context views. We examine the extension of such 2D methods to 3D and explore the limitations encountered in access...
false
false
[ "Sheelagh Carpendale", "David J. Cowperthwaite", "F. David Fracchia" ]
[]
[]
[]
InfoVis
1,996
Dual multiresolution HyperSlice for multivariate data visualization
10.1109/INFVIS.1996.559224
We present a new multiresolution visualization design which allows a user to control the physical data resolution as well as the logical display resolution of multivariate data. A system prototype is described which uses the HyperSlice representation. The notion of space projection in multivariate data is introduced. T...
false
false
[ "Pak Chung Wong", "Andrew H. Crabb", "R. Daniel Bergeron" ]
[]
[]
[]
InfoVis
1,996
FINESSE: a financial information spreadsheet
10.1109/INFVIS.1996.559222
We outline a spreadsheet-based system for visualization of real-time financial information. Our system permits the user to define arithmetic and presentation relationships amongst the various cells of the spreadsheet. The cells contain primitives that can be numbers, text, images, functions and graphics. Presenting fin...
false
false
[ "Amitabh Varshney", "Arie E. Kaufman" ]
[]
[]
[]
InfoVis
1,996
Geospatial metadata querying and visualization on the WWW using Java™ applets
10.1109/INFVIS.1996.559225
This paper presents the query and visualization interfaces of the Master Environmental Library (MEL) system. MEL uses the World Wide Web (WWW) to make accessible distributed data whose metadata conform to the Federal Geographic Data Committee's (FGDC) content standards for digital geospatial metadata. The interfaces ar...
false
false
[ "Naim Alper", "Chuck Stein" ]
[]
[]
[]
InfoVis
1,996
Interactive visualization of multiway tables
10.1109/INFVIS.1996.559221
Many business data visualization applications involve large databases with dozens of fields and millions of rows. Interactive visualization of these databases is difficult because of the large amount of data involved. We present a method of summarizing large databases which is well suited to interactive visualization. ...
false
false
[ "Kenneth C. Cox", "Dianne Hackborn" ]
[]
[]
[]
InfoVis
1,996
Minimally-immersive interactive volumetric information visualization
10.1109/INFVIS.1996.559220
This paper describes a minimally immersive volumetric interactive system for information visualization. The system, SFA, uses glyph-based volume rendering, enabling more information attributes to be visualized than traditional 2D and surface-based information visualization systems. Two-handed interaction and stereoscop...
false
false
[ "David S. Ebert", "Chris Shaw 0002", "Amen Zwa", "Ethan L. Miller", "D. Aaron Roberts" ]
[]
[]
[]
InfoVis
1,996
On the semantics of interactive visualizations
10.1109/INFVIS.1996.559213
Interactive techniques are powerful tools for manipulating visualizations to analyze, communicate and acquire information. This is especially true for large data sets or complex 3D visualizations. Although many new types of interaction have been introduced recently, very little work has been done on understanding what ...
false
false
[ "Mei C. Chuah", "Steven F. Roth" ]
[]
[]
[]
InfoVis
1,996
Rapid prototyping of information visualizations using VANISH
10.1109/INFVIS.1996.559212
Discusses a software tool called VANISH (Visualizing And Navigating Information Structured Hierarchically), which supports the rapid prototyping of interactive 2D and 3D information visualizations. VANISH supports rapid prototyping through a special-purpose visual language called VaPL (VANISH Programming Language) tail...
false
false
[ "Rick Kazman", "S. Jeromy Carrière" ]
[]
[]
[]
InfoVis
1,996
Selection: 524,288 ways to say "this is interesting"
10.1109/INFVIS.1996.559216
Visualization is a critical technology for understanding complex, data-rich systems. Effective visualizations make important features of the data immediately recognizable and enable the user to discover interesting and useful results by highlighting patterns. A key element of such systems is the ability to interact wit...
false
false
[ "Graham J. Wills" ]
[]
[]
[]
InfoVis
1,996
Techniques for non-linear magnification transformations
10.1109/INFVIS.1996.559214
This paper presents efficient methods for implementing general non-linear magnification transformations. Techniques are provided for: combining linear and non-linear magnifications, constraining the domain of magnifications, combining multiple transformations, and smoothly interpolating between magnified and normal vie...
false
false
[ "Alan Keahey", "Edward L. Robertson" ]
[]
[]
[]
InfoVis
1,996
Towards rich information landscapes for visualising structured Web spaces
10.1109/INFVIS.1996.559218
The Harmony browser for the Hyper-G Web server utilises Hyper-G's rich data model to provide a number of tightly-coupled, two- and three-dimensional visualisation and navigational facilities. In particular the Harmony Information Landscape visualises the hierarchical structure of Hyper-G spaces upon a plane in three-di...
false
false
[ "Keith Andrews", "Michael Pichler", "Peter Wolf" ]
[]
[]
[]
InfoVis
1,996
Visage: a user interface environment for exploring information
10.1109/INFVIS.1996.559210
Visage is a prototype user interface environment for exploring and analyzing information. It represents an approach to coordinating multiple visualizations, analysis and presentation tools in data-intensive domains. Visage is based on an information-centric approach to user interface design which strives to eliminate i...
false
false
[ "Steven F. Roth", "Peter Lucas 0002", "Jeffrey Senn", "Cristina C. Gomberg", "Michael B. Burks", "Philip J. Stroffolino", "John A. Kolojechick", "Carolyn Dunmire" ]
[ "TT" ]
[]
[]
InfoVis
1,996
Visualizing a tennis match
10.1109/INFVIS.1996.559229
This paper describes our work on visualizing the information of a tennis match. We use competition trees to organize the information of a tennis match and visualize the competition trees by the top-nesting layered maps with translucent colored layers. We create iconic representations to describe the detailed informatio...
false
false
[ "Liqun Jin", "David C. Banks" ]
[]
[]
[]
InfoVis
1,996
Visualizing the global topology of the MBone
10.1109/INFVIS.1996.559226
We present a case study of visualizing the global topology of the Internet MBone. The MBone is the Internet's multicast backbone. Multicast is the most efficient way of distributing data from one sender to multiple receivers with minimal packet duplication. Developed and initially deployed by researchers within the Int...
false
false
[ "Tamara Munzner", "Eric Hoffman", "Kimberly C. Claffy", "Bill Fenner" ]
[]
[]
[]
InfoVis
1,996
Visualizing the results of multimedia Web search engines
10.1109/INFVIS.1996.559219
Search engines are very useful because they allow the user to retrieve documents of interest from the World-Wide Web. However, if the user's query results in lots of records to be retrieved, just listing the results is not very user-friendly. We are developing a system that allows the visualization of the results. Visu...
false
false
[ "Sougata Mukherjea", "Kyoji Hirata", "Yoshinori Hara" ]
[]
[]
[]
InfoVis
1,996
Visualizing usability log data
10.1109/INFVIS.1996.559227
Our approach to testing graphical user interfaces involves logging large amounts of data. These logs capture information at the key press and mouse click level about how an application is used. Since the raw data is voluminous and not at a useful level of detail, we use analysis and visualization to find information th...
false
false
[ "Mark Gray", "Albert N. Badre", "Mark Guzdial" ]
[]
[]
[]
CHI
1,996
Externalising Abstract Mathematical Models
10.1145/238386.238587
Abstract mathematical models play an important part in engineering design, economic decision making and other activities. Such models can be externalised in the form of Interactive Visualisation Artifacts (IVAs). These IVAs display the data generated by mathematical models in simple graphs which are interactively linke...
false
false
[ "Lisa Tweedie", "Robert Spence", "Huw Dawkes", "Hua Su" ]
[]
[]
[]
CHI
1,996
Interaction Design and Human Factors Support in the Development of a Personal Communicator for Children
10.1145/238386.238603
Today's computer games for children are primarily focused on boys. Two years ago Philips started the development of a new 'personal communication' product that addresses the needs of young children and especially the needs of young gifts. This article is focused on the interaction design and human factors support provi...
false
false
[ "Ron Oosterholt", "Mieko Kusano", "Govert de Vries" ]
[]
[]
[]
CHI
1,996
LifeLines: Visualizing Personal Histories
10.1145/238386.238493
LifeLines provide a general visualization environment for personal histories that can be applied to medical and court records, professional histories and other types of biographical data. A one screen overview shows multiple facets of the records. Aspects, for example medical conditions or legal cases, are displayed as...
false
false
[ "Catherine Plaisant", "Brett Milash", "Anne Rose", "Seth Widoff", "Ben Shneiderman" ]
[]
[]
[]
CHI
1,996
Multiagent Model of Dynamic Design: Visualization as an Emergent Behavior of Active Design Agents
10.1145/238386.238566
This research has been motivated by the lack of models and languages in the visual design field that are able to address design solutions, which continuously adapt in response to the dynamic changes both in the information itself and in the goals or intentions of the information recipient. This paper postulates a muhia...
false
false
[ "Suguru Ishizaki" ]
[]
[]
[]
CHI
1,996
Silk from a Sow's Ear: Extracting Usable Structures from the Web
10.1145/238386.238450
In its current implementation, the World-Wide Web lacks much of the explicit structure and strong typing found in many closed hypertext systems. While this property probably relates to the explosive acceptance of the Web, it further complicates the already difficult problem of identifying usable structures and aggregat...
false
false
[ "Peter Pirolli", "James E. Pitkow", "Ramana Rao" ]
[]
[]
[]
Vis
1,995
3D computational steering with parametrized geometric objects
10.1109/VISUAL.1995.485143
Computational steering is the ultimate goal of interactive simulation: researchers change parameters of their simulation and immediately receive feedback on the effect. We present a general and flexible graphics tool that is part of an environment for computational steering developed at CWI. It enables the researcher t...
false
false
[ "Jurriaan D. Mulder", "Jarke J. van Wijk" ]
[]
[]
[]
Vis
1,995
A hardware acceleration method for volumetric ray tracing
10.1109/VISUAL.1995.480792
We present an acceleration method for volumetric ray tracing which utilizes standard graphics hardware without compromising image accuracy. The graphics hardware is employed to identify those segments of each ray that could possibly contribute to the final image. A volumetric ray tracing algorithm is then used to compu...
false
false
[ "Lisa M. Sobierajski", "Ricardo S. Avila" ]
[]
[]
[]
Vis
1,995
A model and a system for data-parallel program visualization
10.1109/VISUAL.1995.480816
Parallel program visualization and debugging require new techniques for gathering and displaying execution trace and profile data. Interaction with the program during execution is also required to facilitate parallel debugging. We discuss the difficulties associated with runtime user/program interaction and how the dat...
false
false
[ "Thomas A. Wagner", "R. Daniel Bergeron" ]
[]
[]
[]
Vis
1,995
A rule-based tool for assisting colormap selection
10.1109/VISUAL.1995.480803
The paper presents an interactive approach for guiding the user's select of colormaps in visualization. PRAVDAColor, implemented as a module in the IBM Visualization Data Explorer, provides the user a selection of appropriate colormaps given the data type and spatial frequency, the user's task, and properties of the hu...
false
false
[ "Lawrence D. Bergman", "Bernice E. Rogowitz", "Lloyd Treinish" ]
[]
[]
[]
Vis
1,995
A visualization tool for studying the development of the moss Physcomitrella patens
10.1109/VISUAL.1995.485153
The investigation of mechanisms responsible for the morphogenesis of complex biological organisms is an important area in biology. P. patens is an especially suitable plant for this research because it is a rather simple organism, facilitating its observation, yet it possesses developmental phenomena analogous to those...
false
false
[ "F. David Fracchia", "Neil W. Ashton" ]
[]
[]
[]
Vis
1,995
An architecture for retaining and analyzing visual explorations of databases
10.1109/VISUAL.1995.480801
A software architecture is presented to integrate a database management system with data visualization. One of its primary objectives, the retention of user-data interactions, is detailed. By storing all queries over the data along with high-level descriptions of the query results and the associated visualization, the ...
false
false
[ "John Peter Lee", "Georges G. Grinstein" ]
[]
[]
[]
Vis
1,995
An extended data-flow architecture for data analysis and visualization
10.1109/VISUAL.1995.480821
Modular visualization environments utilizing a data-flow execution model have become quite popular in recent years, especially those that incorporate visual programming tools. However, simplistic implementations of such an execution model are quite limited when applied to problems of realistic complexity, which negate ...
false
false
[ "Greg Abram", "Lloyd Treinish" ]
[]
[]
[]
Vis
1,995
An illustrated analysis of sonification for scientific visualisation
10.1109/VISUAL.1995.480802
This paper presents an analysis of progress in the use of sound as a tool in support of visualisation and gives an insight into its development and future needs. Special emphasis is given to the use of sound in scientific and engineering applications. A system developed to support surface data presentation and interact...
false
false
[ "Rosane Minghim", "A. Robin Forrest" ]
[]
[]
[]
Vis
1,995
Astronomers and their shady algorithms
10.1109/VISUAL.1995.485155
The vast quantities of data which may be produced by modern radio telescopes have outstripped conventional visualisation techniques available to astronomers. While research in other areas of visualisation finds some application in astronomy, problems peculiar to the field require new techniques. This paper presents a b...
false
false
[ "Richard Gooch" ]
[]
[]
[]
Vis
1,995
Authenticity analysis of wavelet approximations in visualization
10.1109/VISUAL.1995.480811
Wavelet transforms include data decompositions and reconstructions. This paper is concerned with the authenticity issues of the data decomposition, particularly for data visualization. A total of six datasets are used to clarify the approximation characteristics of compactly supported orthogonal wavelets. We present an...
false
false
[ "Pak Chung Wong", "R. Daniel Bergeron" ]
[]
[]
[]
Vis
1,995
Automated generation of visual simulation databases using remote sensing and GIS
10.1109/VISUAL.1995.480799
This paper reports on the development of a strategy to generate databases used for real-time interactive landscape visualization. The database construction from real world data is intended to be as automated as possible. The primary sources of information are remote sensing imagery recorded by Landsat's Thematic Mapper...
false
false
[ "Martin Suter", "Daniel Nüesch" ]
[]
[]
[]
Vis
1,995
Automatic generation of triangular irregular networks using greedy cuts
10.1109/VISUAL.1995.480813
Proposes a new approach to the automatic generation of triangular irregular networks (TINs) from dense terrain models. We have developed and implemented an algorithm based on the greedy principle used to compute minimum-link paths in polygons. Our algorithm works by taking greedy cuts ("bites") out of a simple closed p...
false
false
[ "Cláudio T. Silva", "Joseph S. B. Mitchell", "Arie E. Kaufman" ]
[]
[]
[]
Vis
1,995
Case study: an integrated approach for steering, visualization, and analysis of atmospheric simulations
10.1109/VISUAL.1995.485157
In the research described, we have constructed a tightly coupled set of methods for monitoring, steering, and applying visual analysis to large scale simulations. The work shows how a collaborative, interdisciplinary process that teams application and computer scientists can result in a powerful integrated approach. Th...
false
false
[ "Yves Jean", "Thomas Kindler", "William Ribarsky", "Weiming Gu", "Greg Eisenhauer", "Karsten Schwan", "Fred Alyea" ]
[]
[]
[]
Vis
1,995
Case study: using spatial access methods to support the visualization of environmental data
10.1109/VISUAL.1995.485171
As part of a large effort evaluating the effect of the Exxon Valdez oil spill, we are using the spatial selection features of an object relational database management system to support the visualization of the ecological data. The effort, called the Sound Ecosystem Assessment project (SEA), is collecting and analyzing ...
false
false
[ "Charles Falkenberg", "Ravi Kulkarni" ]
[]
[]
[]
Vis
1,995
Compression domain rendering of time-resolved volume data
10.1109/VISUAL.1995.480809
An important challenge in the visualization of three-dimensional volume data is the efficient processing and rendering of time-resolved sequences. Only the use of compression techniques, which allow the reconstruction of the original domain from the compressed one locally, makes it possible to evaluate these sequences ...
false
false
[ "Rüdiger Westermann" ]
[]
[]
[]
Vis
1,995
Defining, computing, and visualizing molecular interfaces
10.1109/VISUAL.1995.480793
A parallel, analytic approach for defining and computing the inter and intra molecular interfaces in three dimensions is described. The molecular interface surfaces are derived from approximations to the power diagrams over the participating molecular units. For a given molecular interface our approach can generate a f...
false
false
[ "Amitabh Varshney", "Frederick P. Brooks Jr.", "David C. Richardson", "William V. Wright", "Dinesh Manocha" ]
[]
[]
[]
Vis
1,995
Direct rendering of Laplacian pyramid compressed volume data
10.1109/VISUAL.1995.480812
Volume rendering generates 2D images by ray tracing 3D volume data. This technique imposes considerable demands on storage space as the data set grows in size. In this paper, we describe a method to render compressed volume data directly to reduce the memory requirements of the rendering process. The volume data was co...
false
false
[ "Mohammad H. Ghavamnia", "Xue D. Yang" ]
[]
[]
[]
Vis
1,995
Enhanced spot noise for vector field visualization
10.1109/VISUAL.1995.480817
Spot noise is a technique for texture synthesis, which is very useful for vector field visualization. This paper describes improvements and extensions of the basic principle of spot noise. First, better visualization of highly curved vector fields with spot noise is achieved, by adapting the shape of the spots to the l...
false
false
[ "Wim C. de Leeuw", "Jarke J. van Wijk" ]
[]
[]
[]
Vis
1,995
Enhancing transparent skin surfaces with ridge and valley lines
10.1109/VISUAL.1995.480795
There are many applications that can benefit from the simultaneous display of multiple layers of data. The objective in these cases is to render the layered surfaces in a such way that the outer structures can be seen and seen through at the same time. The paper focuses on the particular application of radiation therap...
false
false
[ "Victoria Interrante", "Henry Fuchs", "Stephen M. Pizer" ]
[]
[]
[]
Vis
1,995
Fast Algorithms for Visualizing Fluid Motion in Steady Flow on Unstructured Grids
10.1109/VISUAL.1995.485144
The plotting of streamlines is an effective way of visualizing fluid motion in steady flows. Additional information about the flowfield, such as local rotation and expansion, can be shown by drawing in the form of a ribbon or tube. In this paper, we present efficient algorithms for the construction of streamlines, stre...
false
false
[ "Shyh-Kuang Ueng", "Kris Sikorski", "Kwan-Liu Ma" ]
[]
[]
[]
Vis
1,995
Fast multiresolution surface meshing
10.1109/VISUAL.1995.480805
Presents a new method for adaptive surface meshing and triangulation which controls the local level-of-detail of the surface approximation by local spectral estimates. These estimates are determined by a wavelet representation of the surface data. The basic idea is to decompose the initial data set by means of an ortho...
false
false
[ "Markus H. Gross", "Roger Gatti", "Oliver G. Staadt" ]
[]
[]
[]
Vis
1,995
Fast normal estimation using surface characteristics
10.1109/VISUAL.1995.480808
To visualize the volume data acquired from computation or sampling, it is necessary to estimate normals at the points corresponding to object surfaces. Volume data does not holds the geometric information for the surface comprising points, so it is necessary to calculate normals using local information at each point. T...
false
false
[ "Byeong-Seok Shin", "Yeong-Gil Shin" ]
[]
[]
[]
Vis
1,995
Flow visualization in a hypersonic fin/ramp flow
10.1109/VISUAL.1995.485156
A recent study of a flow detail of an engine intake of future ground to orbit transport systems provided extremely complex data from numerical flow simulation and experimental flow visualization. The data posed a challenging problem to flow visualization, computational flow imaging (CFI), and the comparison of experime...
false
false
[ "Hans-Georg Pagendarm", "Thomas Gerhold" ]
[]
[]
[]
Vis
1,995
High Dimensional Brushing for Interactive Exploration of Multivariate Data
10.1109/VISUAL.1995.485139
Brushing is an operation found in many data visualization systems. It is a mechanism for interactively selecting subsets of the data so that they may be highlighted, deleted, or masked. Traditionally, brushes have been defined in screen space via methods such as painting and rubberband rectangles. In this paper we desc...
false
false
[ "Allen R. Martin", "Matthew O. Ward" ]
[ "TT" ]
[]
[]
Vis
1,995
High-speed volume rendering using redundant block compression
10.1109/VISUAL.1995.480810
Presents a novel volume rendering method which offers high rendering speed on standard workstations. It is based on a lossy data compression scheme which drastically reduces the memory bandwidth and computing requirements of perspective raycasting. Starting from classified and shaded data sets, we use block truncation ...
false
false
[ "Günter Knittel" ]
[]
[]
[]
Vis
1,995
Iconic techniques for feature visualization
10.1109/VISUAL.1995.485141
Presents a conceptual framework and a process model for feature extraction and iconic visualization. Feature extraction is viewed as a process of data abstraction, which can proceed in multiple stages, and corresponding data abstraction levels. The features are represented by attribute sets, which play a key role in th...
false
false
[ "Frank J. Post", "Theo van Walsum", "Frits H. Post", "Deborah Silver" ]
[]
[]
[]
Vis
1,995
IFS fractal interpolation for 2D and 3D visualization
10.1109/VISUAL.1995.480798
Reconstruction is used frequently in visualization of one, two, and three dimensional data. Data uncertainty is typically ignored, and a deficiency of many interpolation schemes is smoothing which may indicate features or characteristics of the data that are not there. The author investigates the use of iterated functi...
false
false
[ "Craig M. Wittenbrink" ]
[]
[]
[]
Vis
1,995
Interactive 3D visualization of actual anatomy and simulated chemical time-course data for fish
10.1109/VISUAL.1995.485169
Outputs from a physiologically based toxicokinetic (PB-TK) model for fish were visualized by mapping time series data for specific tissues onto a three dimensional representation of a rainbow trout. The trout representation was generated in stepwise fashion: cross sectional images were obtained from an anesthetized fis...
false
false
[ "Penny Rheingans", "Martin Marietta", "John Nichols" ]
[]
[]
[]
Vis
1,995
Interactive maximum projection volume rendering
10.1109/VISUAL.1995.480790
Maximum projection is a volume rendering technique that, for each pixel, finds the maximum intensity along a projector. For certain important classes of data, this is an approximation to summation rendering which produces superior visualizations. We show how maximum projection rendering with additional depth cues can b...
false
false
[ "Michael D. McCool", "Wolfgang Heidrich", "John Stevens" ]
[]
[]
[]
Vis
1,995
Interactive realism for visualization using ray tracing
10.1109/VISUAL.1995.480791
Visual realism is necessary for many virtual reality applications. In order to convince the user that the virtual environment is real, the scene presented should faithfully model the expected actual environment. A highly accurate, fully modeled, interactive environment is thus seen as "virtually real". The paper addres...
false
false
[ "Robert A. Cross" ]
[]
[]
[]
Vis
1,995
Interactive visualization of mixed scalar and vector fields
10.1109/VISUAL.1995.480818
This paper describes an approach for interactive visualization of mixed scalar and vector fields, in which vector icons are generated from pre-voxelized icon templates and volume-rendered together with the volumetric scalar data. This approach displays simultaneously the global structure of the scalar field and the det...
false
false
[ "Lichan Hong", "Xiaoyang Mao", "Arie E. Kaufman" ]
[]
[]
[]
Vis
1,995
Interval set: a volume rendering technique generalizing isosurface extraction
10.1109/VISUAL.1995.480789
A scalar volume V={(x,f(x))|x/spl isin/R} is described by a function f(x) defined over some region R of the three dimensional space. The paper presents a simple technique for rendering interval sets of the form I/sub g/(a,b)={(x,f(x))|a/spl les/g(x)/spl les/b}, where a and b are either real numbers of infinities. We de...
false
false
[ "Baining Guo" ]
[]
[]
[]
Vis
1,995
Interval volume: a solid fitting technique for volumetric data display and analysis
10.1109/VISUAL.1995.480807
Proposes as a generalization of isosurfaces, the 'interval volume', which is a new type of geometric model representing 3D subvolumes with field values belonging to a closed interval. A dominant surface fitting algorithm called 'marching cubes' is extended to obtain a solid fitting algorithm, which extracts from a give...
false
false
[ "Issei Fujishiro", "Yuji Maeda", "Hiroshi Sato" ]
[]
[]
[]
Vis
1,995
Legibility enhancement for information visualisation
10.1109/VISUAL.1995.480814
Navigation in computer generated information spaces may be difficult, resulting in users getting "lost in hyperspace". This work aims to build on research from the area of city planning to try to solve this problem. We introduce the concepts of legibility and cognitive maps and the five features of urban landscape with...
false
false
[ "Rob Ingram", "Steve Benford" ]
[]
[]
[]
Vis
1,995
Marching through the Visible Man
10.1109/VISUAL.1995.485154
The National Library of Medicine is creating a digital atlas of the human body. This project, called the Visible Human, has already produced computed tomography, magnetic resonance imaging and physical cross-sections of a human male cadaver. This paper describes a methodology and results for extracting surfaces from th...
false
false
[ "William E. Lorensen" ]
[]
[]
[]
Vis
1,995
On enhancing the speed of splatting with indexing
10.1109/VISUAL.1995.480797
Splatting is an object space direct volume rendering algorithm that produces images of high quality, but is computationally expensive like many other volume rendering algorithms. The paper presents a new technique that enhances the speed of splatting without trading off image quality. This new method reduces rendering ...
false
false
[ "Insung Ihm", "Rae Kyoung Lee" ]
[]
[]
[]
Vis
1,995
Optimization of time-dependent particle tracing using tetrahedral decomposition
10.1109/VISUAL.1995.485145
An efficient algorithm is presented for computing particle paths, streak lines and time lines in time-dependent flows with moving curvilinear grids. The integration, velocity interpolation, and step size control are all performed in physical space which avoids the need to transform the velocity field into computational...
false
false
[ "David N. Kenwright", "David A. Lane" ]
[]
[]
[]
Vis
1,995
Pictorial statistics-visualization of high-dimensional statistical distributions
10.1109/VISUAL.1995.485149
A general framework for visualization of statistical properties of high-dimensional pattern samples and the related computational steps are introduced. These procedures are exemplified on applications in anthropometrical research (shape information in faces) but can be easily generalized to various other morphometrical...
false
false
[ "Andreas A. Müller" ]
[]
[]
[]
Vis
1,995
Propositional n-traces: visualizing a problem in philosophical logic
10.1109/VISUAL.1995.485147
As part of an inter-disciplinary effort, we are visually exploring a current problem in philosophical logic related to information processing. Given a set of inconsistent sentences or inputs, a processor cannot unambiguously infer any specific consequence. Traces represent subsets of possible consequences which can be ...
false
false
[ "Nathalie Prevost", "Ray E. Jennings", "Loki Jörgenson", "F. David Fracchia" ]
[]
[]
[]
Vis
1,995
Qualitative analysis of invariant tori in a dynamical system
10.1109/VISUAL.1995.485148
Invariant tori are examples of invariant manifolds in dynamical systems. Usual tools in dynamical systems such as analysis and numerical simulations alone are often not sufficient to understand the complicated mechanisms that cause changes in these manifolds. Computer-graphical visualization is a natural and powerful a...
false
false
[ "Daryl H. Hepting", "Gianne Derks", "Kossi D. Edoh", "Robert D. Russell" ]
[]
[]
[]
Vis
1,995
Recursive pattern: a technique for visualizing very large amounts of data
10.1109/VISUAL.1995.485140
An important goal of visualization technology is to support the exploration and analysis of very large amounts of data. In this paper, we propose a new visualization technique called a 'recursive pattern', which has been developed for visualizing large amounts of multidimensional data. The technique is based on a gener...
false
false
[ "Daniel A. Keim", "Mihael Ankerst", "Hans-Peter Kriegel" ]
[]
[]
[]
Vis
1,995
Space walking
10.1109/VISUAL.1995.480804
Proposes an interactive method for exploring topological spaces based on the natural local geometry of the space. Examples of spaces appropriate for this visualization approach occur in abundance in mathematical visualization, surface and volume visualization problems, and scientific applications such as general relati...
false
false
[ "Andrew J. Hanson", "Hui Ma" ]
[]
[]
[]
Vis
1,995
Splatting of curvilinear volumes
10.1109/VISUAL.1995.480796
The paper presents a splatting algorithm for volume rendering of curvilinear grids. A stochastic sampling technique called Poisson sphere/ellipsoid sampling is employed to adaptively resample a curvilinear grid with a set of randomly distributed points whose energy support extents are well approximated by spheres and e...
false
false
[ "Xiaoyang Mao", "Lichan Hong", "Arie E. Kaufman" ]
[]
[]
[]
Vis
1,995
Subverting structure: data-driven diagram generation
10.1109/VISUAL.1995.480815
Diagrams are data representations that convey information predominantly through combinations of graphical elements rather than through other channels such as text or interaction. We have implemented a prototype called AVE (Automatic Visualization Environment) that generates diagrams automatically based on a generative ...
false
false
[ "Gene Golovchinsky", "Klaus Reichenberger", "Thomas Kamps" ]
[]
[]
[]
Vis
1,995
Sweeping simplices: a fast iso-surface extraction algorithm for unstructured grids
10.1109/VISUAL.1995.480806
Presents an algorithm that accelerates the extraction of iso-surfaces from unstructured grids by avoiding the traversal of the entire set of cells in the volume. The algorithm consists of a sweep algorithm and a data decomposition scheme. The sweep algorithm incrementally locates intersected elements, and the data deco...
false
false
[ "Han-Wei Shen", "Christopher R. Johnson 0001" ]
[]
[]
[]
Vis
1,995
Tensor product surfaces guided by minimal surface area triangulations
10.1109/VISUAL.1995.480820
Presents a method for constructing tensor product Bezier surfaces from contour (cross-section) data. Minimal area triangulations are used to guide the surface construction, and the final surface reflects the optimality of the triangulation. The resulting surface differs from the initial triangulation in two important w...
false
false
[ "John K. Johnstone", "Kenneth R. Sloan" ]
[]
[]
[]
Vis
1,995
Turbulent flow visualization in computational and experimental hydraulics
10.1109/VISUAL.1995.485158
Many practical problems in open channel hydraulics that were traditionally investigated in hydraulic model experiments, are nowadays being solved by using computational fluid dynamics. However, in order to interpret computational results, there is a clear preference among scientists and engineers for visualization in a...
false
false
[ "Arthur E. Mynett", "I. Ari Sadarjoen", "A. J. S. Hin" ]
[]
[]
[]
Vis
1,995
Unsteady flow volumes
10.1109/VISUAL.1995.485146
Flow volumes are extended for use in unsteady (time-dependent) flows. The resulting unsteady flow volumes are the 3D analogs of streaklines. There are few examples where methods other than particle tracing have been used to visualize time-varying flows. Since particle paths can become convoluted in time, there are addi...
false
false
[ "Barry G. Becker", "Nelson L. Max", "David A. Lane" ]
[]
[]
[]
Vis
1,995
Vector plots for irregular grids
10.1109/VISUAL.1995.480819
A standard method for visualizing vector fields consists of drawing many small "glyphs" to represent the field. This paper extends the technique from regular to curvilinear and unstructured grids. In order to achieve a uniform density of vector glyphs on nonuniformly spaced grids, the paper describes two approaches to ...
false
false
[ "Don Dovey" ]
[]
[]
[]