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10
Vis
1,991
Realistic volume imaging
10.1109/VISUAL.1991.175805
A set of volume visualization tools that are based on the use of recursive ray tracing as the primary vehicle for realistic volume imaging is presented. The tools include shadows, mirrors, specularity, and constructive solid geometry. The underlying representation for the ray tracer is a 3-D raster of voxels that holds...
false
false
[ "Roni Yagel", "Arie E. Kaufman", "Qiang Zhang" ]
[]
[]
[]
Vis
1,991
Remote visualization: challenges and opportunities
10.1109/VISUAL.1991.175825
This paper emphasizes the need for and importance of remote visualization. The potential impact of remote visualization on application algorithms, communication protocols, and underlying networks is assessed. Opportunities for research and development to support remote visualization in the context of the National Resea...
false
false
[ "Guru M. Parulkar", "Jack Bowie", "Hans-Werner Braun", "Roch Guerin", "Daniel Stevenson" ]
[]
[]
[]
Vis
1,991
Run-time visualization of program data
10.1109/VISUAL.1991.175810
An improvement to visualization systems that provides a graphics window into an application displaying program data at run-time through an easy-to-use graphical interface is discussed. With little or no instrumentation of the application the user will be able to dynamically select data for graphical display as the prog...
false
false
[ "Allan Tuchman", "David Jablonowski", "George Cybenko" ]
[]
[]
[]
Vis
1,991
Scientific visualization from inside the metacomputer
10.1109/VISUAL.1991.175767
Summary form only given, as follows. Historically, scientific visualization has been carried out in two primary modes: interactive on desktop computers, and batch on high-performance computers. The next decade will see a merging of these two approaches with the advent of high-speed networking. The networking is hierarc...
false
false
[ "Larry L. Smarr" ]
[]
[]
[]
Vis
1,991
Shadowed hedgehogs: a technique for visualizing 2D slices of 3D vector fields
10.1109/VISUAL.1991.175792
The technique of placing directed line segments at grid points, known as hedgehogging, which has been used for visualizing 2D vector fields, is considered. A means of rapidly rendering a slice of a 3D field, suitable for a bilevel display, is provided. Shape and shadowing are used to disambiguate orientation. Liberal u...
false
false
[ "R. Victor Klassen", "Steven J. Harrington" ]
[]
[]
[]
Vis
1,991
Span filtering: an optimization scheme for volume visualization of large finite element models
10.1109/VISUAL.1991.175780
Techniques for displaying 3D isovalues of scalar fields such as stress within a solid finite-element model generally involve examining each element for values of interest. An inexpensive, straightforward method is discussed for reducing the number of elements searched for such isovalues. It takes advantage of one trave...
false
false
[ "Richard S. Gallagher" ]
[]
[]
[]
Vis
1,991
The asymptotic decider: resolving the ambiguity in marching cubes
10.1109/VISUAL.1991.175782
A method for computing isovalue or contour surfaces of a trivariate function is discussed. The input data are values of the trivariate function, F/sub ijk/, at the cuberille grid points (x/sub i/, y/sub j/, z/sub k/), and the output of a collection of triangles representing the surface consisting of all points where F(...
false
false
[ "Gregory M. Nielson", "Bernd Hamann" ]
[]
[]
[]
Vis
1,991
The electronic structure of oxygen in silicon as revealed by volume visualization of Ab initio calculations
10.1109/VISUAL.1991.175786
Volumetric rendering is applied to the interpretation of atomic-scale data generated from quantum molecular dynamics computations. In particular, for silicon computations it is found that volumetric visualization of the computed 3D electronic charge density is a valuable tool for identifying defect states in silicon la...
false
false
[ "Robert H. Wolfe", "Mark Needels", "John D. Joannopoulos" ]
[]
[]
[]
Vis
1,991
The hyperbox
10.1109/VISUAL.1991.175790
A hyperbox is a two-dimensional depiction of an N-dimensional box (rectangular parallelepiped). The authors define the visual syntax of hyperboxes, state some properties, and sketch two applications. Hyperboxes can be evocative visual names for tensors or multidimensional arrays in visual programming languages. They ca...
false
false
[ "Bowen Alpern", "Larry Carter" ]
[]
[]
[]
Vis
1,991
The stream polygon: A technique for 3D vector field visualization
10.1109/VISUAL.1991.175789
A method is presented for the visualization of 3D vector fields. The stream polygon, which is a regular, n-sided polygon, oriented normal to the local vector, can present local deformations due to rigid body rotation and both normal and shear strain. The effect of translation and scalar functions can be represented by ...
false
false
[ "William J. Schroeder", "Christopher R. Volpe", "William E. Lorensen" ]
[]
[]
[]
Vis
1,991
The virtual windtunnel: An environment for the exploration of three-dimensional unsteady flows
10.1109/VISUAL.1991.175771
A recently completed implementation of a virtual environment for exploring numerically generated three-dimensional unsteady flowfields is described. A boom-mounted six-degree-of-freedom head-position-sensitive stereo CRT system is used for viewing. A hand-position-sensitive glove controller is used for injecting variou...
false
false
[ "Steve Bryson", "Creon Levit" ]
[ "BP" ]
[]
[]
Vis
1,991
The visual comparison of three sequences
10.1109/VISUAL.1991.175797
A method of visual comparison is described, that provides the scientist with a unique tool to study the qualitative relationships between three sequences of numbers or symbols. The program displays a 3D shape containing the sequence similarities and differences, which manifest themselves as simple geometric shapes and ...
false
false
[ "Kenneth P. Hinkley", "Matthew O. Ward" ]
[]
[]
[]
Vis
1,991
Topographical mapping of brain electrical activity
10.1109/VISUAL.1991.175800
Current topographical mapping methods and problems associated with mapping are reviewed, and one approach for improving the spatial resolution of scalp recorded EEGs is detailed. In particular, techniques for interpolating the potential distribution and estimating the surface Laplacian from multichannel data are presen...
false
false
[ "Samuel K. Law", "Paul L. Nunez", "Andrew F. Westdorp", "Arden V. Nelson", "Kenneth L. Pilgreen" ]
[]
[]
[]
Vis
1,991
Tree-maps: a space-filling approach to the visualization of hierarchical information structures
10.1109/VISUAL.1991.175815
A method for visualizing hierarchically structured information is described. The tree-map visualization technique makes 100% use of the available display space, mapping the full hierarchy onto a rectangular region in a space-filling manner. This efficient use of space allows very large hierarchies to be displayed in th...
false
false
[ "Brian Johnson", "Ben Shneiderman" ]
[]
[]
[]
Vis
1,991
Two widely-different architectural approaches to computer image generation
10.1109/VISUAL.1991.175776
A description is given of the computer graphics aspects of two architectures designed for imaging and graphics. The two systems use parallel and pipelined architectures for high-performance graphics operations. UWGPSP3 uses only commercially available off-the-shelf chips, and consists of a TM34020 graphics system proce...
false
false
[ "Hyun Wook Park", "Kil-Su Eo", "D. L. Kim", "B. K. Choi", "Yongmin Kim 0001", "Thomas Alexander" ]
[]
[]
[]
Vis
1,991
Visualisation tools for semiconductor modelling software
10.1109/VISUAL.1991.175830
This paper looks at the issues involved in using a visualization software package to extend the scope of an existing suite of semiconductor modeling software. The visualization software and its hardware platform represent the state of the art in powerful interactive workstation visualization systems. A range of importa...
false
false
[ "Duncan Stevenson" ]
[]
[]
[]
Vis
1,991
Visualization and analysis of multi-variate data: a technique for all fields
10.1109/VISUAL.1991.175796
A technique is presented for plotting large multivariate data sets that involves the mapping of n independent variable dimensions on to a single hierarchical horizontal axis with a single dependent variable being plotted on the vertical axis. The emphasis is on visual statistical analysis of either discrete variables o...
false
false
[ "Ted Mihalisin", "John Timlin", "John Schwegler" ]
[]
[]
[]
Vis
1,991
Visualization in computational fluid dynamics: a case study
10.1109/VISUAL.1991.175837
VISUAL 3, a highly interactive environment for the visualization of 3D volumetric scientific data, is described. The volume can be broken up in a structured or unstructured manner, and the problem can be static or unsteady in time. Because the data are volumetric and all the information can be changing, traditional CAD...
false
false
[ "Robert Haimes", "David L. Darmofal" ]
[]
[]
[]
Vis
1,991
Visualization of equations in an interactive environment
10.1109/VISUAL.1991.175781
A method of visualizing equations in their explicit form using 3D fields is described. Equations are written algebraically, interpreted by an equation parser, and then expressed as scalar fields. Fields are represented as isosurfaces, making use of an algorithm similar to the method of marching cubes. The implementatio...
false
false
[ "David Watson", "Jakub Wejchert", "David W. Williams", "Bri M. Collins" ]
[]
[]
[]
Vis
1,991
Visualizing 4-D medical ultrasound data
10.1109/VISUAL.1991.175802
Different standard rendering methods applied to 4-D medical ultrasound data are discussed. In particular, maximum value projection, sum of values projection, transparent gray level gradient shading, and surface shading have been tested. Due to the fact that ultrasound data suffer from a low signal to noise ratio, image...
false
false
[ "Nils Thune", "Bjørn Olstad" ]
[]
[]
[]
Vis
1,991
Visualizing causal effects in 4D space-time vector fields
10.1109/VISUAL.1991.175770
A method is presented for juxtaposing 4D space-time vector fields, of which one contains a source variable and the other the response field. Thresholding, ellipsoid fitting, and vortex line generation are used to reduce the amount of information and help analyze the relationship between two 3D vector variables evolving...
false
false
[ "Deborah Silver", "M. Gao", "Norman J. Zabusky" ]
[]
[]
[]
Vis
1,991
Visualizing chemical kinetics in fractal domains
10.1109/VISUAL.1991.175831
Chemical reactions occurring within complex domains, such as fractals, can display behavior which differs radically from the expectation of classical chemical kinetics. Rather than relaxing to a uniform distribution at the steady state, these nonclassical systems display large-scale order on many scales. Such self-orga...
false
false
[ "Neal E. Hurlburt", "Lola W. Anacker", "Raoul Kopelman" ]
[]
[]
[]
Vis
1,991
Visualizing environmental data for program decision support
10.1109/VISUAL.1991.175838
The McClellan Air Force Base Installation Restoration Program (IRP), which is responsible for identifying and remedying environmental contamination from past operation and disposal practices, is considered. Since 1979, the IRP has generated over 200 volumes of technical reports regarding the degree and extent of contam...
false
false
[ "J. Burnetti", "R. Manley", "W. Mitchell", "D. Varnadore" ]
[]
[]
[]
Vis
1,991
Visualizing the fourth dimension using geometry and light
10.1109/VISUAL.1991.175821
Techniques for visualizing mathematical objects in four-dimensional (4D) space that exploit four-dimensional lighting effects are explored. The geometry of image production, stereography, and shadows in 4D is analyzed. Alternatives for smooth and specular shaded rendering of curves, surfaces, and solids in 4D are exami...
false
false
[ "Andrew J. Hanson", "Pheng-Ann Heng" ]
[]
[]
[]
Vis
1,991
Volume rendering of flow-visualization point data
10.1109/VISUAL.1991.175772
A survey of 2D and 3D flow visualization techniques is provided. The approach is based on applying volume rendering to flow-visualization data. Linear interpolation and B-spline approximation are used, and several views are given for both. Suggestions for efficient volume rendering are provided.<<ETX>>
false
false
[ "Paul Gene Swann", "Sudhanshu Kumar Semwal" ]
[]
[]
[]
Vis
1,991
Volume visualization comes of age: the state of the art in technology and application
10.1109/VISUAL.1991.175828
This paper examines the role of experimental design, data acquisition equipment, and system integration in the holistic solution picture. Issues include data formats, distributed computing environments, and the need for truly interactive, even real-time systems. A major theme is reaching beyond volume visualization to ...
false
false
[ "Vincent Argiro", "Mary Whitton", "Alan Evans", "Wulf Massell", "Stephen Paddock", "Elliot Fishman" ]
[]
[]
[]
CHI
1,991
Cone Trees: animated 3D visualizations of hierarchical information
10.1145/108844.108883
The task of managing and accessing large information spaces is a problem in large scale cognition. Enwrging technologies for 3D visualization and interactive aninlaiion offer potential solutions to this problenl, especially when the structure of the information can be visualized. We describe one of these Information Vi...
false
false
[ "George G. Robertson", "Jock D. Mackinlay", "Stuart K. Card" ]
[]
[]
[]
CHI
1,991
IMPACT: an interactive natural-motion-picture dedicated multimedia authoring system
10.1145/108844.108939
A new approach to achieving a natural-motion-picture dedicated multi-media authoring system is proposed. The main point of this approach, discussed in this paper, is that the user’s environment or interface is improved to encourage user’s creativity, with image processing and recognition technology. According to the di...
false
false
[ "Hirotada Ueda", "Takafumi Miyatake", "Satoshi Yoshizawa" ]
[]
[]
[]
CHI
1,991
Information visualization using 3D interactive animation
10.1145/108844.109003
INTRODUCTION Information Visualization uses computer graphics and interactive animation to stimulate recognition of patterns and structure in information. It does so by exploiting the human perceptual system in ways similar to Scientific Visualization, which allows scientists to perceive patterns in large data collecti...
false
false
[ "George G. Robertson", "Jock D. Mackinlay", "Stuart K. Card" ]
[]
[]
[]
CHI
1,991
The information visualizer, an information workspace
10.1145/108844.108874
This paper proposes a concept for the user interface of information retrieval systems called an information workspace. The concept goes beyond the usual notion of an information retrieval system to encompass the cost structure of information from secondary storage to immediate use. As an implementation of the concept, ...
false
false
[ "Stuart K. Card", "George G. Robertson", "Jock D. Mackinlay" ]
[]
[]
[]
CHI
1,991
The perspective wall: detail and context smoothly integrated
10.1145/108844.108870
Tasks that involve large information spaces overwhelm workspaces that do not support efiicient use of space and time. For example, case studies indicate that information often contains linear components, which can result in 2D layouts with wide, inefficient aspect ratios. This paper describes a technique called the Per...
false
false
[ "Jock D. Mackinlay", "George G. Robertson", "Stuart K. Card" ]
[]
[]
[]
CHI
1,991
The University of Toronto dynamic graphics project
10.1145/108844.109006
The University of Toronto’s Dynamic Graphics Project is an interdisciplinary research laboratory within the Computer Science Department and the Computer Systems Research Institute. The labs mission is advanced research and graduate instruction; its theme is the enhancement of human creativity through advances in human-...
false
false
[ "Ronald Baecker", "Marilyn M. Mantei", "William Buxton", "Eugene Fiume" ]
[]
[]
[]
Vis
1,990
A graphical interface for robotic remediation of underground storage tanks
10.1109/VISUAL.1990.146419
Experimental investigations into the application of intelligent robot control technology to the problem of removing waste stored in tanks is discussed. The authors describe the experimental environment used, with particular attention to the hardware and software control environment and the graphical interface. Intellig...
false
false
[ "Brian K. Christensen", "Lisa M. Desjarlais" ]
[]
[]
[]
Vis
1,990
A journey into the fourth dimension
10.1109/VISUAL.1990.146385
It is shown that by a simple (one-way) mapping from quaternions to complex numbers, the problem of generating a four-dimensional Mandelbrot set by iteration of a quadratic function in quaternions can be reduced to iteration of the same function in the complex domain, and thus, the function values in 4-D can be obtained...
false
false
[ "Yan Ke", "E. S. Panduranga" ]
[]
[]
[]
Vis
1,990
A methodology for scientific data visualisation: choosing representations based on a natural scene paradigm
10.1109/VISUAL.1990.146372
A methodology for guiding the choice of visual representations of data is presented. The methodology provides objective and directed display design facilities. Such facilities can guide interactive visualization design, generate standard visualizations automatically, and assess the extent to which chosen representation...
false
false
[ "Philip K. Robertson" ]
[]
[]
[]
Vis
1,990
A numerical method for rendering spherical reflections
10.1109/VISUAL.1990.146393
Methods of rendering reflections in curved surfaces are examined. A numerical algorithm to derive spherical reflections is presented. This algorithm has many attractive qualities, such as low computation costs, object space coherence, device and resolution independence, and generation of maximum information about refle...
false
false
[ "David P. Dobkin", "E. S. Panduranga", "M. Zhu" ]
[]
[]
[]
Vis
1,990
A problem-oriented classification of visualization techniques
10.1109/VISUAL.1990.146375
Progress in scientific visualization could be accelerated if workers could more readily find visualization techniques relevant to a given problem. The authors describe an approach to this problem, based on a classification of visualization techniques, that is independent of particular application domains. A user breaks...
false
false
[ "Stephen Wehrend", "Clayton H. Lewis" ]
[]
[]
[]
Vis
1,990
A procedural interface for volume rendering
10.1109/VISUAL.1990.146362
The author presents a simple, procedural interface for volume rendering. The interface is built on three types of objects: volumes, which contain the data to be visualized, environments, which set up viewing and lighting, and image objects, which convert results to a user-definable format. A volume is rendered against ...
false
false
[ "James L. Montine" ]
[]
[]
[]
Vis
1,990
A system for three-dimensional acoustic 'visualization' in a virtual environment workstation
10.1109/VISUAL.1990.146398
The authors describe the real-time acoustic display capabilities developed for the virtual environment workstation (VIEW) project. The acoustic display is capable of generating localized acoustic cues in real time over headphones. An auditor symbology, a related collection of representational auditory objects or icons,...
false
false
[ "Elizabeth M. Wenzel", "Scott S. Fisher", "Philip K. Stone", "Scott H. Foster" ]
[]
[]
[]
Vis
1,990
A three-dimensional/stereoscopic display and model control system for Great Lakes forecasts
10.1109/VISUAL.1990.146382
A forecasting system for the Great Lakes in which the data generated by a three-dimensional numerical model is visualized by a 3-D/stereoscopic display module is discussed. The module consists of a control panel and a display window with the capability of interactively rendering the results. The event scheduling for sc...
false
false
[ "Chieh-Cheng Yen", "Keith W. Bedford", "Jill Kempf", "Robert E. Marshall" ]
[]
[]
[]
Vis
1,990
Accurate display of tensor product isosurfaces
10.1109/VISUAL.1990.146401
A general method for rendering isosurfaces of multivariate rational and polynomial tensor products is described. The method is robust up to degree 15, handling singularities without introducing spurious rendering artifacts. The approach does not solve the problem of singularities in general, but it removes the problem ...
false
false
[ "Alyn P. Rockwood" ]
[]
[]
[]
Vis
1,990
An interpersonal multimedia visualization system
10.1109/VISUAL.1990.146399
MediaView is a computer program that provides a generic infrastructure for authoring and interacting with multimedia documents. Among its applications is the ability to furnish a user with a comprehensive environment for analysis and visualization. With this program the user can produce a document that contains mathema...
false
false
[ "Richard L. Phillips" ]
[]
[]
[]
Vis
1,990
Animation techniques for chain-coded objects
10.1109/VISUAL.1990.146366
The animation of two-dimensional objects in a 2-D planar environment is discussed. The use of chain codes as a boundary representation for 2-D objects undergoing animation is shown to be practical for several typical transformations. Various methods for implementing the transformations are described. Quantized methods ...
false
false
[ "Anthony J. Maeder" ]
[]
[]
[]
Vis
1,990
Applying space subdivision techniques to volume rendering
10.1109/VISUAL.1990.146377
The authors present a ray-tracing algorithm for volume rendering designed to work efficiently when the data of interest is distributed sparsely through the volume. A simple preprocessing step identifies the voxels representing features of interest. Frequently this set of voxels, arbitrarily distributed in three-dimensi...
false
false
[ "Kalpathi R. Subramanian", "Donald S. Fussell" ]
[]
[]
[]
Vis
1,990
Automatic illustration of 3D geometric models: surfaces
10.1109/VISUAL.1990.146395
The authors present techniques for automating the illustration of geometric models based on traditional hand illustration methods. A system based on the techniques of traditional illustrators for automatically generating illustrations of complex three-dimensional models is described. The system relies on a richer set o...
false
false
[ "Debra Dooley", "Michael F. Cohen" ]
[]
[]
[]
Vis
1,990
Case study in scientific visualization: factors inducing periodic breathing in humans with blunted hypoxic sensitivity
10.1109/VISUAL.1990.146415
The problem of presenting and gaining deeper understanding of a multidimensional system, a mathematical model Predicting 20-90 s oscillations in breathing, is presented. The authors utilized custom software for interactive analysis of a three-dimensional model, plus Wavefront software to render translucent images of th...
false
false
[ "Wayne E. Fordyce", "Jeffrey Ventrella" ]
[]
[]
[]
Vis
1,990
Classifying visual knowledge representations: a foundation for visualization research
10.1109/VISUAL.1990.146374
An exploratory effort to classify visual representations into homogeneous clusters is discussed. The authors collected hierarchical sorting data from twelve subjects. Five principal groups of visual representations emerged from a cluster analysis of sorting data: graphs and tables, maps, diagrams, networks, and icons. ...
false
false
[ "Gerald L. Lohse", "Henry H. Rueter", "Kevin Biolsi", "Neff Walker" ]
[]
[]
[]
Vis
1,990
Design of an end-user data visualization system
10.1109/VISUAL.1990.146397
The authors describe the architecture of an end-user visualization system that supports interactive analysis of three-dimensional scalar and vector data in a heterogeneous hardware environment. The system supports a variety of visualization methods with applicability in disciplines such as computational fluid dynamics,...
false
false
[ "Donald L. Brittain", "Josh Aller", "Michael Wilson", "Sue-Ling C. Wang" ]
[]
[]
[]
Vis
1,990
Displaying voxel-based objects according to their qualitative shape synthesis
10.1109/VISUAL.1990.146364
The use of qualitative shape synthesis for the display of 3-D binary objects is presented. The proposed approach is applicable to multi-object scenes and to outdoor scenery as well. It makes use of a new method, the diffusion process, that simulates diffusion of particles within the interior of a 3-D discrete object. S...
false
false
[ "Yaser Yacoob" ]
[]
[]
[]
Vis
1,990
Dynamic graphics for network visualization
10.1109/VISUAL.1990.146369
The authors describe several dynamic graphics tools for visualizing network data involving statistics associated with the nodes or links in a network. The authors suggest a number of ideas for the static display of network data, while motivating the need for interaction through dynamic graphics. A brief discussion of d...
false
false
[ "Richard A. Becker", "Stephen G. Eick", "Eileen O. Miller", "Allan R. Wilks" ]
[]
[]
[]
Vis
1,990
Exploring N-dimensional databases
10.1109/VISUAL.1990.146386
The authors present a tool for the display and analysis of N-dimensional data based on a technique called dimensional stacking. This technique is described. The primary goal is to create a tool that enables the user to project data of arbitrary dimensions onto a two-dimensional image. Of equal importance is the ability...
false
false
[ "Jeffrey LeBlanc", "Matthew O. Ward", "Norman Wittels" ]
[]
[]
[]
Vis
1,990
Extracting geometric models through constraint minimization
10.1109/VISUAL.1990.146367
The authors propose a methodology that will extract a topologically closed geometric model from a two-dimensional image. This is accomplished by starting with a simple model that is already topologically closed and deforming the model, based on a set of constraints, so that the model grows (shrinks) to fit the feature ...
false
false
[ "James V. Miller", "David E. Breen", "Michael J. Wozny" ]
[]
[]
[]
Vis
1,990
FAST: a multi-processed environment for visualization of computational fluid dynamics
10.1109/VISUAL.1990.146360
The authors discuss FAST (flow analysis software toolkit), an implementation of a software system for fluid mechanics analysis. Visualization of computational aerodynamics requires flexible, extensible, and adaptable software tools for performing analysis tasks. An overview of FAST is given, and its architecture is dis...
false
false
[ "Gordon V. Bancroft", "Fergus Merritt", "Todd Plessel", "Paul G. Kelaita", "R. Kevin McCabe", "Al Globus" ]
[]
[]
[]
Vis
1,990
Hierarchical triangulation using terrain features
10.1109/VISUAL.1990.146379
A hierarchical triangulation built from a digital elevation model in grid form is described. The authors present an algorithm that produces a hierarchy of triangulations in which each level of the hierarchy corresponds to a guaranteed level of accuracy. The number of very thin triangles (slivers) is significantly reduc...
false
false
[ "Lori L. Scarlatos", "Theodosios Pavlidis" ]
[]
[]
[]
Vis
1,990
Interactive investigation of fluid mechanics data sets
10.1109/VISUAL.1990.146416
FIELDVIEW, a visual analysis tool designed to facilitate the interactive investigation of fluid mechanics data sets by providing an easy-to-use interface to the flow field data, is presented. Operating on NASA Plot three-dimensional format data, FIELDVIEW computes scalar and vector flow quantities and displays them usi...
false
false
[ "Steve M. Legensky" ]
[]
[]
[]
Vis
1,990
Interactive visualization of quaternion Julia sets
10.1109/VISUAL.1990.146384
The first half of a two-step quaternion Julia set visualization system is described. This step uses a quarternion square root function to adapt the classic inverse iteration algorithm to the quaternions. The augmented version produces a 3-D Julia set defined by a point cloud that can be interactively manipulated on a g...
false
false
[ "John C. Hart", "Louis H. Kauffman", "Dan Sandin" ]
[]
[]
[]
Vis
1,990
Interpreting a 3D object from a rough 2D line drawing
10.1109/VISUAL.1990.146365
Visualizing the third dimension while designing three-dimensional (3-D) objects is an awkward process in mechanical computer-aided-design (CAD) systems, given the current state of the art. The authors describe a computer system that automatically constructs the shape of a 3-D object from a single 2-D sketch. The method...
false
false
[ "Del Lamb", "Amit Bandopadhay" ]
[]
[]
[]
Vis
1,990
Methods for surface interrogation
10.1109/VISUAL.1990.146381
The authors discuss various visualization techniques that have the goal of identifying unwanted curvature regions interactively on screen. The authors give a critical survey of surface interrogation methods. Several isoline and contouring techniques are presented, and the reflection line method, which simulates the so-...
false
false
[ "Hans Hagen", "Thomas Schreiber", "Ernst Gschwind" ]
[]
[]
[]
Vis
1,990
Moving iconic objects in scientific visualization
10.1109/VISUAL.1990.146373
The idea of independently moving, interacting graphical objects is introduced as a method for the visualization of continuous fields. Bird-oid objects or boids are discussed. These boids derive from: (1) icons which are geometric objects whose shape and appearance are related to the field variables, (2) three-dimension...
false
false
[ "G. David Kerlick" ]
[]
[]
[]
Vis
1,990
Parallel coordinates: a tool for visualizing multi-dimensional geometry
10.1109/VISUAL.1990.146402
A methodology for visualizing analytic and synthetic geometry in R/sup N/ is presented. It is based on a system of parallel coordinates which induces a nonprojective mapping between N-dimensional and two-dimensional sets. Hypersurfaces are represented by their planar images which have some geometrical properties analog...
false
false
[ "Alfred Inselberg", "Bernard Dimsdale" ]
[]
[]
[]
Vis
1,990
Personal visualization system: applications in research and engineering
10.1109/VISUAL.1990.146418
The authors describe an innovative personal visualization system and its application to several research and engineering problems. The system bridges both hardware and software components to permit a user to graphically describe a visualization problem to the computer; thereby reducing program development time to a few...
false
false
[ "Quentin E. Dolecek", "K. Moorjani", "B. F. Kim", "D. G. Tilley", "Thomas S. Denney Jr." ]
[]
[]
[]
Vis
1,990
Ray traced scalar fields with shaded polygonal output
10.1109/VISUAL.1990.146390
An algorithm for rendering scalar field data that reduces rendering times by as much as two orders of magnitude over traditional full resolution images is presented. Less than full-resolution sampling of the scalar field is performed using a fast ray tracing method. The sampling grid points are output as a set of scree...
false
false
[ "Ray J. Meyers", "Michael B. Stephenson" ]
[]
[]
[]
Vis
1,990
Real-world applications of visualization solutions
10.1109/VISUAL.1990.146417
Visual data analysis (VDA) is a visualization approach that combines vector and raster graphics to provide insights into various aspects of multidimensional datasets. VDA methods have found application in aerospace engineering research, VDA is being used to develop nondestructive evaluation testing techniques for graph...
false
false
[ "David A. Prawel" ]
[]
[]
[]
Vis
1,990
Rendering and managing spherical data with sphere quadtrees
10.1109/VISUAL.1990.146380
The sphere quadtree (SQT), which is based on the recursive subdivision of spherical triangles obtained by projecting the faces of an icosahedron onto a sphere, is discussed. Most databases for spherically distributed data are not structured in a manner consistent with their geometry. As a result, such databases possess...
false
false
[ "Gyorgy Fekete" ]
[]
[]
[]
Vis
1,990
Scattered data interpolation tools in a microcomputer visualization environment
10.1109/VISUAL.1990.146396
A package that can bridge the connection between scattered data sets and the highly structured sets required by graphics algorithms is described. Although export of evaluation data is a necessary capability, it is very important that this package has a fully featured three-dimensional graphics subsystem to interactivel...
false
false
[ "Keith Voegele" ]
[]
[]
[]
Vis
1,990
Shape coding of multidimensional data on a microcomputer display
10.1109/VISUAL.1990.146387
The author presents a simple and flexible method of sharp coding for higher dimensional data sets that allows the database operator or the scientist quick access to promising patterns within and among records or samples. The example used is a 13-parameter set of solar wind, magnetosphere, and ground observation data co...
false
false
[ "Jeff Beddow" ]
[]
[]
[]
Vis
1,990
Spline-based color sequences for univariate, bivariate and trivariate mapping
10.1109/VISUAL.1990.146383
Alternative models that use B-spline curves and surfaces for generating color sequences for univariate, bivariate, and trivariate mapping are introduced. The main aim is to break away from simple geometric representation in order to provide more flexibility and control over color selection. This facilitates the task of...
false
false
[ "Binh Pham 0001" ]
[]
[]
[]
Vis
1,990
Superposing images with shadow casting
10.1109/VISUAL.1990.146394
Algorithms for rendering complex and shaded animation sequences are described. The target display device for these image rendering algorithms is a multichannel display based on the superposing technique realized in hardware. An animation sequence is displayed by superposing a dynamic foreground on a static background. ...
false
false
[ "Philip C. Hsu", "John Staudhammer" ]
[]
[]
[]
Vis
1,990
Surface representations of two- and three-dimensional fluid flow topology
10.1109/VISUAL.1990.146359
The use of critical point analysis to generate representations of the vector field topology of numerical flow data sets is discussed. Critical points are located and characterized in a two-dimensional domain, which may be either a two-dimensional flow field or the tangential velocity field near a three-dimensional body...
false
false
[ "James Helman", "Lambertus Hesselink" ]
[ "BP" ]
[]
[]
Vis
1,990
Techniques for the interactive visualization of volumetric data
10.1109/VISUAL.1990.146363
Some ideas and techniques for visualizing volumetric data are introduced. The methods presented are different from both the volume rendering techniques and surface contour methods. Volumetric data is data with a domain of three independent variables. The independent variables do not have to indicate a position in space...
false
false
[ "Gregory M. Nielson", "Bernd Hamann" ]
[]
[]
[]
Vis
1,990
Techniques for visualizing 3-dimensional manifolds
10.1109/VISUAL.1990.146400
Computer graphics has long been concerned with representing and displaying surfaces in three-dimensional space. The author addresses the questions of representation and display in a higher dimensional setting, specifically, that of 3-manifolds immersed in four-dimensional space. The author describes techniques for visu...
false
false
[ "Michael J. Laszlo" ]
[]
[]
[]
Vis
1,990
Techniques for visualizing Fermat's last theorem: a case study
10.1109/VISUAL.1990.146370
The authors describe some mathematical approaches and computer graphics techniques for illustrating concepts related to Fermat's last theorem. They present a selection of visualization methods, and describe observations made in the process of creating a three-minute computer animated videotape dealing with some element...
false
false
[ "Andrew J. Hanson", "Pheng-Ann Heng", "B. C. Kaplan" ]
[]
[]
[]
Vis
1,990
The application of transport theory to visualization of 3D scalar data fields
10.1109/VISUAL.1990.146391
The author describes a visualization model for three-dimensional scalar data fields based on linear transport theory. The concept of virtual particles for the extraction of information from data fields in introduced. The role of different types of interaction of the data field with those particles such as absorption, s...
false
false
[ "Wolfgang Krüger" ]
[]
[]
[]
Vis
1,990
The VIS-5D system for easy interactive visualization
10.1109/VISUAL.1990.146361
The VIS-5D system provides highly interactive visual access to five-dimensional data sets containing up to 50 million data points. VIS-5D runs on the Stardent ST-1000 and ST-2000 workstations and generates animated three-dimensional graphics from gridded data sets in real time. It provides a widget-based user interface...
false
false
[ "Bill Hibbard", "David A. Santek" ]
[]
[]
[]
Vis
1,990
Visualization and three-dimensional image processing of positron emission tomography (PET) brain images
10.1109/VISUAL.1990.146376
The author applied image processing and volume rendering algorithms together with considerations on the physiology of the human visual system to improve the quality of perception of the information contained in positron emission tomography (PET) brain images, and to highlight the existing anatomical information. The ps...
false
false
[ "Nahum D. Gershon" ]
[]
[]
[]
Vis
1,990
Visualization for nonlinear engineering FEM analysis in manufacturing
10.1109/VISUAL.1990.146412
This case study describes how visualization tools were used in a nonlinear finite-element method (FEM) analysis of rivet deformation. After summarizing the problem at hand, it is concluded that three factors that aided the visualization process in this case can be extracted as general principles: first, focus the viewe...
false
false
[ "Gerald W. Edgar" ]
[]
[]
[]
Vis
1,990
Visualization for the information age
10.1109/VISUAL.1990.146414
Summary form only given. The basic parameters of current TV, the origins of HDTV, and the various types of TV systems being proposed in Japan, America and Europe are reviewed. Available HDTV hardware, new applications that this hardware enables, and the economics involved are discussed. How HDTV fits into the film and ...
false
false
[ "Laurin Herr" ]
[]
[]
[]
Vis
1,990
Visualization of free form volumes
10.1109/VISUAL.1990.146403
An algorithm that creates planar and arbitrarily curved sections of free-form volumes is presented. The definition of free-form volumes generalizes techniques from free-form curves and surfaces to trivariate representation. The definition is given for volumes in the Bernstein-Bezier representation. The author illustrat...
false
false
[ "Dieter Lasser" ]
[]
[]
[]
Vis
1,990
Visualization of irregular multivariate data
10.1109/VISUAL.1990.146388
The authors discuss effective techniques for representing scalar and vector valued functions that interpolate to irregularly located data. Special attention is given to the situations where the sampling domain is a two-dimensional plane, 3-D volume, or a closed 3-D surface. The authors first discuss the multiquadric an...
false
false
[ "Thomas A. Foley", "David A. Lane" ]
[]
[]
[]
Vis
1,990
Visualization of scalar data defined on a structured grid-applications to petroleum research
10.1109/VISUAL.1990.146392
The authors describe some simple visualization techniques that may be used to explore dynamic three-dimensional scalar fields in an interactive way. Scalar data are assumed to have been already computed, and graphic manipulations are done afterwards on a graphics workstation. Structured grids (finite-difference grids) ...
false
false
[ "J. L. Pajon", "V. Bui Tran" ]
[]
[]
[]
Vis
1,990
Visualizing a scalar field on an N-dimensional lattice
10.1109/VISUAL.1990.146389
The authors address the problem of visualizing a scalar dependent variable which is a function of many independent variables. In particular, cases where the number of independent variables is three or greater are discussed. A new hierarchical method of plotting that allows one to interactively view millions of data poi...
false
false
[ "Ted Mihalisin", "E. Grawlinksi", "John Timlin", "John Schwegler" ]
[]
[]
[]
Vis
1,990
Visualizing computer memory architectures
10.1109/VISUAL.1990.146371
The authors describe a conceptual model, the memory hierarchy framework, and a visual language for using the model. The model is more faithful to the structure of computers than the Von Neumann and Turing models. It addresses the issues of data movement and exposes and unifies storage mechanisms such as cache, translat...
false
false
[ "Bowen Alpern", "Larry Carter", "Ted Selker" ]
[]
[]
[]
Vis
1,990
Volume microscopy of biological specimens based on non-confocal imaging techniques
10.1109/VISUAL.1990.146413
An approach that uses advanced computer graphics workstations and volume rendering algorithms for accurate reconstruction of volumetric microscopy data is described. It has been found that excellent reconstructions can be made from serial sections acquired using a charge-coupled device and a conventional light microsco...
false
false
[ "Stephen L. Senft", "Vincent J. Argio", "William L. van Zandt" ]
[]
[]
[]
Vis
1,990
Volume visualization in cell biology
10.1109/VISUAL.1990.146378
The authors discuss the special properties of volumetric cell data (e.g., noise, discontinuity, raggedness) and the particular difficulties encountered when trying to visualize them in three dimensions. The authors describe some of the solutions adopted, specifically in surface discrimination and shading. Nerve cells (...
false
false
[ "Arie E. Kaufman", "Roni Yagel", "Reuven Bakalash", "I. Spector" ]
[]
[]
[]
Vis
1,990
Wide-band relativistic Doppler effect visualization
10.1109/VISUAL.1990.146368
The authors present a flexible and efficient method to simulate the Doppler shift. In this new method the spectral curves of surface properties and light composition are represented by spline functions of wavelength. These functions can cover the entire electromagnetic (EM) waves bandwidth, and incorporate the thermal ...
false
false
[ "Ping-Kang Hsiung", "Robert H. Thibadeau", "Christopher B. Cox", "Robert H. P. Dunn", "Michael Wu", "Paul Andrew Olbrich" ]
[]
[]
[]
CHI
1,990
Business instrument panel: a new paradigm for interfacing with financial data
10.1145/97243.97269
The business instrument panel uses visualization to present, in a comprehensive and integrated manner, all the important elements found in traditional financial statements. By means of analog representation in a simple computer generated picture, the business instrument panel replaces the four traditional financial sta...
false
false
[ "C. Torben Thomsen" ]
[]
[]
[]
CHI
1,990
Stereophonic and surface sound generation for exploratory data analysis
10.1145/97243.97264
The analysis and interpretation of very high dimensional data require the development and use of data presentation techniques that harness human perceptual powers. The University of Lowell's Exploratory Visualization project (Exvis) aims at designing, implementing, and evaluating perceptually-based tools for data prese...
false
false
[ "Stuart Smith", "R. Daniel Bergeron", "Georges G. Grinstein" ]
[]
[]
[]
CHI
1,990
Track - a trace construction kit
10.1145/97243.97318
TRACK is a kit to interactively construct environments that trace the execution of methods and the flow of messages between SMALLTALK-80 objects. It enables the user to set up traces by means of direct manipulation. This is done by placing obstacles between icons representing specific classes and instances much in the ...
false
false
[ "Heinz-Dieter Böcker", "Jürgen Herczeg" ]
[]
[]
[]
CHI
1,989
Constraint grammars-a new model for specifying graphical applications
10.1145/67449.67513
User Interface Management Systems often attempt to separate the graphical and nongraphical aspects of an application, but rarely succeed. Constraint grammars provide a new model for specifying interfaces that achieves this goal by encapsulating the data structures in a single package, and providing a powerful transform...
false
false
[ "Bradley T. Vander Zanden" ]
[]
[]
[]
CHI
1,988
Grasping reality through illusion - interactive graphics serving science
10.1145/57167.57168
I treat three related subjects: virtual-worlds research—the construction of real-time 3-D illusions by computer graphics; some observations about interfaces to virtual worlds; and the coming application of virtual-worlds techniques to the enhancement of scientific computing. We need to design generalized interfaces for...
false
false
[ "Frederick P. Brooks Jr." ]
[]
[]
[]
CHI
1,986
Design principles for the enhanced presentation of computer program source text
10.1145/22627.22348
In order to make computer programs more readable, understandable, appealing, memorable, and maintainable, the presentation of program source text needs to be enhanced over its conventional treatment. Towards this end, we present five basic design principles for enhanced program visualization and a framework for applyin...
false
false
[ "Ronald Baecker", "Aaron Marcus" ]
[]
[]
[]
CHI
1,986
Visual programming, programming by example, and program visualization: a taxonomy
10.1145/22627.22349
There has been a great interest recently in systems that use graphics to aid in the programming, debugging, and understanding of computer programs. The terms “Visual Programming” and “Program Visualization” have been applied to these systems. Also, there has been a renewed interest in using examples to help alleviate t...
false
false
[ "Brad A. Myers" ]
[]
[]
[]