Split (1)

train · 6.09k rows

Conference stringclasses 6 values	Year int64 1.99k 2.03k	Title stringlengths 8 187	DOI stringlengths 16 32	Abstract stringlengths 128 7.15k ⌀	Accessible bool 2 classes	Early bool 2 classes	AuthorNames-Deduped listlengths 1 24	Award listlengths 0 2	Resources listlengths 0 5	ResourceLinks listlengths 0 10
Vis	1,994	Piecewise-linear surface approximation from noisy scattered samples	10.1109/VISUAL.1994.346336	We consider the problem of approximating a smooth surface f(x, y), based on n scattered samples {(x/sub i/, y/sub i/, z/sub i/)/sub i=1//sup n/} where the sample values {z/sub i/} are contaminated with noise: z/sub i/=f(x/sub i/, y/sub i/)=/spl epsiv//sub i/. We present an algorithm that generates a PLS (piecewise line...	false	false	[ "Michael Margaliot", "Craig Gotsman" ]	[]	[]	[]
Vis	1,994	Progressive transmission of scientific data using biorthogonal wavelet transform	10.1109/VISUAL.1994.346332	An important issue in scientific visualization systems is the management of data sets. Most data sets in scientific visualization, whether created by measurement or simulation, are usually voluminous. The goal of data management is to reduce the storage space and the access time of these data sets to speed up the visua...	false	false	[ "Hai Tao", "Robert J. Moorhead II" ]	[]	[]	[]
Vis	1,994	Restorer: a visualization technique for handling missing data	10.1109/VISUAL.1994.346317	Pseudocoloring is a frequently used technique in scientific visualization for mapping a color to a data value. When using pseudocolor and animation to visualize data that contain missing regions displayed as black or transparent, the missing regions popping in and out can distract the viewer from the more relevant info...	false	false	[ "Ray Twiddy", "John Cavallo", "Shahram M. Shiri" ]	[]	[]	[]
Vis	1,994	Severe rainfall events in Northwestern Peru (visualization of scattered meteorological data)	10.1109/VISUAL.1994.346298	The ordinarily arid climate of coastal Peru is disturbed every few years by a phenomenon called El Nino, characterized by a warming in the Pacific Ocean. Severe rainstorms are one of the consequences of El Nino, which cause great damage. An examination of daily data from 66 rainfall stations in the Chiura-Piura region ...	false	false	[ "Lloyd Treinish" ]	[]	[]	[]
Vis	1,994	Spiders: a new user interface for rotation and visualization of n-dimensional point sets	10.1109/VISUAL.1994.346318	We present a new method for creating n-dimensional rotation matrices from manipulating the projections of n-dimensional data coordinate axes onto a viewing plane. A user interface for n-dimensional rotation is implemented. The interface is shown to have no rotational hysteresis.<<ETX>>	false	false	[ "Kirk L. Duffin", "Bill Barrett" ]	[]	[]	[]
Vis	1,994	Strata-various: multi-layer visualization of dynamics in software system behavior	10.1109/VISUAL.1994.346322	Current software visualization tools are inadequate for understanding, debugging, and tuning realistically complex applications. These tools often present only static structure, or they present dynamics from only a few of the many layers of a program and its underlying system. This paper introduces "PV", a prototype pr...	false	false	[ "Doug Kimelman", "Bryan S. Rosenburg", "Tova Roth" ]	[]	[]	[]
Vis	1,994	Streamball techniques for flow visualization	10.1109/VISUAL.1994.346315	We introduce the concept of streamballs for flow visualization. Streamballs are based upon implicit surface generation techniques adopted from the well-known metaballs. Their property to split or merge automatically in areas of significant divergence or convergence makes them an ideal tool for the visualization of arbi...	false	false	[ "Manfred Brill", "Hans Hagen", "Hans-Christian Rodrian", "Wladimir Djatschin", "Stanislav V. Klimenko" ]	[]	[]	[]
Vis	1,994	The design and implementation of the Cortex visualization system	10.1109/VISUAL.1994.346310	Cortex has been designed for interactive analysis and display of simulation data generated by CFD applications based on unstructured-grid solvers. Unlike post-processing visualization environments, Cortex is designed to work in co-processing mode with the CFD application. This significantly reduces data storage and dat...	false	false	[ "Deb Banerjee", "Chris Morley", "Wayne Smith" ]	[]	[]	[]
Vis	1,994	The topology of symmetric, second-order tensor fields	10.1109/VISUAL.1994.346326	We study the topology of symmetric, second-order tensor fields. The goal is to represent their complex structure by a simple set of carefully chosen points and lines analogous to vector field topology. We extract topological skeletons of the eigenvector fields, and we track their evolution over time. We study tensor to...	false	false	[ "Thierry Delmarcelle", "Lambertus Hesselink" ]	[ "BP" ]	[]	[]
Vis	1,994	Tokamak plasma turbulence visualization	10.1109/VISUAL.1994.346301	One of the most fundamental issues in magnetic fusion research is the understanding of turbulent transport observed in present-day tokamak experiments. Plasma turbulence is very challenging from a theoretical point of view due to the nonlinearity and high dimensionality of the governing equations. Recent developments i...	false	false	[ "Scott E. Parker", "Ravi Samtaney" ]	[]	[]	[]
Vis	1,994	Triangulation and display of rational parametric surfaces	10.1109/VISUAL.1994.346335	We present a comprehensive algorithm to construct a topologically correct triangulation of the real affine part of a rational parametric surface with few restrictions on the defining rational functions. The rational functions are allowed to be undefined on domain curves (pole curves) and at certain special points (base...	false	false	[ "Chandrajit L. Bajaj", "Andrew V. Royappa" ]	[]	[]	[]
Vis	1,994	UFAT-a particle tracer for time-dependent flow fields	10.1109/VISUAL.1994.346311	Time-dependent (unsteady) flow fields are commonly generated in computational fluid dynamics (CFD) simulations; however, there are very few flow visualization systems that generate particle traces in unsteady flow fields. Most existing systems generate particle traces in time-independent flow fields. A particle tracing...	false	false	[ "David A. Lane" ]	[]	[]	[]
Vis	1,994	User modeling for adaptive visualization systems	10.1109/VISUAL.1994.346316	Meaningful scientific visualizations benefit the interpretation of scientific data, concepts and processes. To ensure meaningful visualizations, the visualization system needs to adapt to desires, disabilities and abilities of the user, interpretation aim, resources (hardware, software) available, and the form and cont...	false	false	[ "Gitta Domik", "Bernd Gutkauf" ]	[]	[]	[]
Vis	1,994	Validation, verification and evaluation	10.1109/VISUAL.1994.346285	A discussion is given on the validation, verification and evaluation of scientific visualization software. A "bug" usually refers to software doing something different than the programmer intended. Comprehensive testing, especially for software intended for use in innovative environments, is hard. Descriptions and summ...	false	false	[ "Samuel P. Uselton", "Geoff Dorn", "Charbel Farhat", "Michael W. Vannier", "Kim H. Esbensen", "Al Globus" ]	[]	[]	[]
Vis	1,994	Virtual reality performance for virtual geometry	10.1109/VISUAL.1994.346324	We describe the theoretical and practical visualization issues solved in the implementation of an interactive real-time four-dimensional geometry interface for the CAVE, an immersive virtual reality environment. While our specific task is to produce a "virtual geometry" experience by approximating physically correct re...	false	false	[ "Robert A. Cross", "Andrew J. Hanson" ]	[]	[]	[]
Vis	1,994	Visualization and data analysis in space and atmospheric science	10.1109/VISUAL.1994.346300	In this paper we show how SAVS, a tool for visualization and data analysis in space and atmospheric science, can be used to quickly and easily address problems that would previously have been far more laborious to solve. Based on the popular AVS package, SAVS presents the user with an environment tailored specifically ...	false	false	[ "A. Mankofsky", "E. P. Szuszczewicz", "P. Blanchard", "C. Goodrich", "D. McNabb", "R. Kulkarni", "D. Kamins" ]	[]	[]	[]
Vis	1,994	Visualization and geographic information system integration: what are the needs and the requirements, if any?	10.1109/VISUAL.1994.346284	Addresses the needs and requirements of integrating visualization and geographic information system technologies. There are three levels of integration methods: rudimentary, operational and functional. The rudimentary approach uses the minimum amount of data sharing and exchange between these two technologies. The oper...	false	false	[ "Theresa-Marie Rhyne", "William Ivey", "Loey Knapp", "Peter Kochevar", "Tom Mace" ]	[]	[]	[]
Vis	1,994	Visualization in medicine: VIRTUAL reality or ACTUAL reality ?	10.1109/VISUAL.1994.346288	Discusses and debates the role played by 3D visualization in medicine as a set of methods and techniques for displaying 3D spatial information related to the anatomy and the physiology of the human body.<<ETX>>	false	false	[ "Christian Roux", "Jean-Louis Coatrieux", "Jean-Louis Dillenseger", "Elliot K. Fishman", "Murray H. Loew", "Hans-Peter Meinzer", "Justin D. Pearlman" ]	[]	[]	[]
Vis	1,994	Visualization of 3D ultrasonic data	10.1109/VISUAL.1994.346294	3D ultrasound is one of the most interesting non-invasive, non-radiative tomographic techniques. Rendering 3D models from such data is not straightforward due to the noisy, fuzzy nature of ultrasound imaging containing a lot of artefacts. We first apply speckle, median and gaussian prefiltering to improve the image qua...	false	false	[ "Georgios Sakas", "Lars-Arne Schreyer", "Marcus Grimm" ]	[ "BCS" ]	[]	[]
Vis	1,994	Visualization of an electric power transmission system	10.1109/VISUAL.1994.346292	Visualization techniques are applied to an electric power system transmission network to create a graphical picture of network power flows and voltages. A geographic data map is used. Apparent power flow is encoded as the width of an arrow, with direction from real power flow. Flows are superposed on flow limits. Conto...	false	false	[ "Pramod M. Mahadev", "Richard D. Christie" ]	[]	[]	[]
Vis	1,994	Visualization of mesoscale flow features in ocean basins	10.1109/VISUAL.1994.346297	Environmental issues such as global warming are an active area of international research and concern today. This case study describes various visualization paradigms that have been developed and applied in an attempt to elucidate the information provided by environmental models and observations. The ultimate goal is to...	false	false	[ "Andreas Johannsen", "Robert J. Moorhead II" ]	[]	[]	[]
Vis	1,994	Visualization of volcanic ash clouds	10.1109/VISUAL.1994.346290	Ash clouds resulting from volcanic eruptions are a serious hazard to aviation safety. In Alaska alone, there are over 40 active volcanoes whose eruptions may affect more than 40,000 flights using the great circle polar routes each year. The clouds are especially problematic because they are invisible to radar and nearl...	false	false	[ "Mitchell Roth", "Rick Guritz" ]	[]	[]	[]
Vis	1,994	Visualizing 3D velocity fields near contour surfaces	10.1109/VISUAL.1994.346312	Vector field rendering is difficult in 3D because the vector icons overlap and hide each other. We propose four different techniques for visualizing vector fields only near surfaces. The first uses motion blurred particles in a thickened region around the surface. The second uses a voxel grid to contain integral curves...	false	false	[ "Nelson L. Max", "Roger Crawfis", "Charles Grant" ]	[]	[]	[]
Vis	1,994	Visualizing data: is virtual reality the key?	10.1109/VISUAL.1994.346286	A visualization goal is to simplify the analysis of large-quantity, numerical data by rendering the data as an image that can be intuitively manipulated. The question the article addresses is whether or not virtual reality techniques are the cure-all to the dilemma of visualizing increasing amounts of data. It determin...	false	false	[ "Linda M. Stone", "Thomas Erickson", "Benjamin B. Bederson", "Peter Rothman", "Raymond Muzzy" ]	[]	[]	[]
Vis	1,994	Visualizing flow over curvilinear grid surfaces using line integral convolution	10.1109/VISUAL.1994.346313	Line integral convolution (LIC), introduced by B. Cabral and C. Leedom (1993), is a powerful technique for imaging and animating vector fields. We extend the LIC paradigm in three ways: the existing technique is limited to vector fields over a regular Cartesian grid and we extend it to vector fields over parametric sur...	false	false	[ "Lisa K. Forssell" ]	[ "BP" ]	[]	[]
Vis	1,994	Visualizing flow with quaternion frames	10.1109/VISUAL.1994.346330	Flow fields, geodesics, and deformed volumes are natural sources of families of space curves that can be characterized by intrinsic geometric properties such as curvature, torsion, and Frenet frames. By expressing a curve's moving Frenet coordinate frame as an equivalent unit quaternion, we reduce the number of compone...	false	false	[ "Andrew J. Hanson", "Hui Ma" ]	[]	[]	[]
Vis	1,994	Visualizing multidimensional (multivariate) data and relations	10.1109/VISUAL.1994.346287	The paper provides a review of the field of multidimensional data visualisation and discusses some promising methodologies. It considers some crucial problems and directions. The emphasis is more on concepts and foundations rather than ad hoc methods. Visualization is considered as a collection of transformations from ...	false	false	[ "Alfred Inselberg", "Georges G. Grinstein", "Ted Mihalisin", "Hans Hinterberger" ]	[]	[]	[]
Vis	1,994	Visualizing polycrystalline orientation microstructures with spherical color maps	10.1109/VISUAL.1994.346338	Spherical color maps can be an effective tool in the microstructure visualization of polycrystals. Electron backscatter diffraction pattern analysis provides large arrays of the orientation data that can be visualized easily using the technique described in this paper. A combination of this technique with the tradition...	false	false	[ "Boris Yamrom", "John A. Sutliff", "Andrew P. Woodfield" ]	[]	[]	[]
Vis	1,994	Volume rendering methods for computational fluid dynamics visualization	10.1109/VISUAL.1994.346314	The paper describes three alternative volume rendering approaches to visualizing computational fluid dynamics (CFD) data. One new approach uses realistic volumetric gas rendering techniques to produce photo-realistic images and animations from scalar CFD data. The second uses ray casting that is based an a sampler illu...	false	false	[ "David S. Ebert", "Roni Yagel", "James N. Scott", "Yair Kurzion" ]	[]	[]	[]
Vis	1,994	Volume rendering of pool fire data	10.1109/VISUAL.1994.346291	We describe how techniques from computer graphics are used to visualize pool fire data and compute radiative effects from pool fires. The basic tools are ray casting and accurate line integration using the RADCAL program. Example images in the visible and infrared band are shown which are given of irradiation calculati...	false	false	[ "Holly E. Rushmeier", "Anthony Hamins", "Mun-Young Choi" ]	[]	[]	[]
Vis	1,994	VolVis: a diversified volume visualization system	10.1109/VISUAL.1994.346340	VolVis is a diversified, easy to use, extensible, high performance, and portable volume visualization system for scientists and engineers as well as for visualization developers and researchers. VolVis accepts as input 3D scalar volumetric data as well as 3D volume-sampled and classical geometric models. Interaction wi...	false	false	[ "Ricardo S. Avila", "Taosong He", "Lichan Hong", "Arie E. Kaufman", "Hanspeter Pfister", "Cláudio T. Silva", "Lisa M. Sobierajski", "Sidney W. Wang" ]	[]	[]	[]
Vis	1,994	Vortex tubes in turbulent flows: identification, representation, reconstruction	10.1109/VISUAL.1994.346327	A new algorithm for identifying vortices in complex flows is presented. The scheme uses both the vorticity and pressure fields. A skeleton line along the center of a vortex is produced by a two-step predictor-corrector scheme. The technique uses the vector field to move in the direction of the skeleton line and the sca...	false	false	[ "David C. Banks", "Bart A. Singer" ]	[]	[]	[]
Vis	1,994	Wavelet-based volume morphing	10.1109/VISUAL.1994.346333	This paper presents a technique for performing volume morphing between two volumetric datasets in the wavelet domain. The idea is to decompose the volumetric datasets into a set of frequency bands, apply smooth interpolation to each band, and reconstruct to form the morphed model. In addition, a technique for establish...	false	false	[ "Taosong He", "Sidney W. Wang", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,994	XmdvTool: integrating multiple methods for visualizing multivariate data	10.1109/VISUAL.1994.346302	Much of the attention in visualization research has focussed on data rooted in physical phenomena, which is generally limited to three or four dimensions. However, many sources of data do not share this dimensional restriction. A critical problem in the analysis of such data is providing researchers with tools to gain ...	false	false	[ "Matthew O. Ward" ]	[]	[]	[]
CHI	1,994	Passive real-world interface props for neurosurgical visualization	10.1145/191666.191821	We claim that physical manipulation of familiar real-world objects in the user’s real environment is an important technique for the design of three-dimensional user interfaces. These real-world passive inte~ace props are manipulated by the user to specify spatial relationships between interface objects. By unobtrusivel...	false	false	[ "Ken Hinckley", "Randy Pausch", "John C. Goble", "Neal F. Kassell" ]	[]	[]	[]
CHI	1,994	The cost-of-knowledge characteristic function: display evaluation for direct-walk dynamic information visualizations	10.1145/191666.191753	In this paper we present a method, the Cost-of-Knowledge Characteristic Function, for characterizing information access from dynamic displays. The paper works out this method for a simple, but important, class of dynamic displays called direct-walk interactive information visualizations, in which information is accesse...	false	false	[ "Stuart K. Card", "Peter Pirolli", "Jock D. Mackinlay" ]	[]	[]	[]
CHI	1,994	The movable filter as a user interface tool	10.1145/191666.191774	Magic Lens filters are a new user interface tool that combine an arbitrarily-shaped region with an operator that changes the view of objects viewed through that region. These tools can be interactively positioned over on-screen applications much as a magnifying glass is moved over a newspaper. They can be used to help...	false	false	[ "Maureen C. Stone", "Kenneth P. Fishkin", "Eric A. Bier" ]	[]	[]	[]
CHI	1,994	The table lens: merging graphical and symbolic representations in an interactive focus + context visualization for tabular information	10.1145/191666.191776	We present a new visualization, called the Table Lens, for visualizing and making sense of large tables. The visualization uses a focus+context (fisheye) technique that works effectively on tabular information because it allows display of crucial label information and multiple distal focal areas. In addition, a graphic...	false	false	[ "Ramana Rao", "Stuart K. Card" ]	[]	[]	[]
CHI	1,994	Using aggregation and dynamic queries for exploring large data sets	10.1145/191666.191682	When working with large data sets, users perform three primary types of activities: data manipulation, data analysis, and data visualization. The data manipulation process involves the selection and transformation of data prior to viewing. This paper addresses user goals for this process and the interactive interface m...	false	false	[ "Jade Goldstein", "Steven F. Roth" ]	[]	[]	[]
Vis	1,993	3D simulation of delivery	10.1109/VISUAL.1993.398903	We show how to create 3D models of maternal pelvis and fetal head from magnetic resonance images (MRI). The models are used to simulate the progress of delivery in order to give a prognosis of successful labor.<<ETX>>	false	false	[ "Jean-Daniel Boissonnat", "Bernhard Geiger" ]	[]	[]	[]
Vis	1,993	A climate simulation case study	10.1109/VISUAL.1993.398900	A supercomputing-visualization facility for science and engineering applications was used for processing and visualizing supercomputer-generated data. This facility includes a vector-processing supercomputer, a graphics workstation, a general purpose workstation, a high-resolution color printer, a scanner, a film recor...	false	false	[ "P. C. Chen" ]	[]	[]	[]
Vis	1,993	A probe for local flow field visualization	10.1109/VISUAL.1993.398849	A probe for the interactive visualization of flow fields is presented. The probe can be used to visualize many characteristics of the flow in detail for a small region in the data set. The velocity and the local change of velocity (the velocity gradient tensor) are visualized by a set of geometric primitives. To this e...	false	false	[ "Wim C. de Leeuw", "Jarke J. van Wijk" ]	[]	[]	[]
Vis	1,993	Accelerating volume animation by space-leaping	10.1109/VISUAL.1993.398852	In this work we present a method for speeding the process of volume animation. It exploits coherency between consecutive images to shorten the path rays take through the volume. Rays are provided with the information needed to leap over the empty space and commence volume traversal at the vicinity of meaningful data. T...	false	false	[ "Roni Yagel", "Zhouhong Shi" ]	[]	[]	[]
Vis	1,993	An architecture for rule-based visualization	10.1109/VISUAL.1993.398874	In Rogowitz and Treinish (1993), we introduced an architecture for incorporating perceptual rules into the visualization process. In this architecture, higher-level descriptors of the data, metadata, flow to perceptual rules, which constrain visualization operations. In this paper, we develop a deeper analysis of the r...	false	false	[ "Bernice E. Rogowitz", "Lloyd Treinish" ]	[]	[]	[]
Vis	1,993	An environment for telecollaborative data exploration	10.1109/VISUAL.1993.398858	This paper presents an environment for telecollaborative data exploration. It provides the following capabilities essential to data exploration: (1) users can probe the data, defining regions of interest with arbitrary shapes. (2) The selected data can be transformed and displayed in many different ways. (3) Linked cur...	false	false	[ "Gudrun Klinker" ]	[]	[]	[]
Vis	1,993	Applying observations of work activity in designing prototype data analysis tools	10.1109/VISUAL.1993.398873	Designers, implementers, and marketers of data analysis tools typically have different perspectives than end users. Consequently, data analysts often find themselves using tools focused on graphics and programming concepts rather than concepts which reflect their own domain and the context of their work. Some user stud...	false	false	[ "R. R. Springmeyer" ]	[]	[]	[]
Vis	1,993	Bridging the gap between visualization and data management: A simple visualization management system	10.1109/VISUAL.1993.398856	A prototype visualization management system is described which merges the capabilities of a database management system with any number of existing visualization packages such as AVS or IDL. The prototype uses the Postgres database management system to store and access Earth science data through a simple graphical brows...	false	false	[ "Peter Kochevar", "Zahid Ahmed", "J. Shade", "Colin Sharp" ]	[]	[]	[]
Vis	1,993	Cloud tracing in convection-diffusion systems	10.1109/VISUAL.1993.398876	The paper describes a highly interactive method for computer visualization of simultaneous three-dimensional vector and scalar flow fields in convection-diffusion systems. This method allows a computational fluid dynamics user to visualize the basic physical process of dispersion and mixing rather than just the vector ...	false	false	[ "Kwan-Liu Ma", "Philip J. Smith" ]	[]	[]	[]
Vis	1,993	Computer visualization of long genomic sequences	10.1109/VISUAL.1993.398883	Human beings find it difficult to analyze local and global oligonucleotide patterns in the linear primary sequences of a genome. In this paper, we present a family of iterated function systems (IFS) that can be used to generate a set of visual models of a DNA sequence. A new visualization function, the W-curve, that is...	false	false	[ "Dachywan Wu", "James Robergé", "Douglas J. Cork", "Bao Gia Nguyen", "Thom Grace" ]	[]	[]	[]
Vis	1,993	Data shaders	10.1109/VISUAL.1993.398879	The process of visualizing a scientific data set requires an extensive knowledge of the domain in which the data set is created. Because an in-depth knowledge of all scientific domains is not available to the creator of visualization software, a flexible and extensible visualization system is essential in providing a p...	false	false	[ "Brian Corrie", "Paul Mackerras" ]	[]	[]	[]
Vis	1,993	Developing modular application builders to exploit MIMD parallel	10.1109/VISUAL.1993.398861	Modular application builders (MABs), such as AVS and Iris Explorer are increasingly being used in the visualization community. Such systems can already place compute intensive modules on supercomputers in order to utilize their power. This paper details two major projects at EPCC which attempted to fully integrate the ...	false	false	[ "C. Thornborrow", "A. J. S. Wilson", "Chris Faigle" ]	[]	[]	[]
Vis	1,993	Dichromatic color representations for complex display systems	10.1109/VISUAL.1993.398871	New display technologies have begun to provide more innovative and potentially powerful methods to present information to a viewer. However, many of these techniques struggle to deliver accurate full color. In this paper, we address this difficulty by employing the dichromatic theory of color reflection, which implies ...	false	false	[ "Mark S. Peercy", "Lambertus Hesselink" ]	[]	[]	[]
Vis	1,993	DIVIDE: Distributed visual display of the execution of asynchronous, distributed algorithms on loosely-coupled parallel processors	10.1109/VISUAL.1993.398865	The issue of monitoring the execution of asynchronous, distributed algorithms on loosely-coupled parallel processor systems, is important for the purposes of (i) detecting inconsistencies and flaws in the algorithm, (ii) obtaining important performance parameters for the algorithm, and (iii) developing a conceptual und...	false	false	[ "Tom M. Morrow", "Sumit Ghosh" ]	[]	[]	[]
Vis	1,993	Enhancing reality in the operating room	10.1109/VISUAL.1993.398902	Three dimensional computer models of the anatomy generated from volume acquisitions of computed tomography and magnetic resonance imaging are useful adjuncts to 2D images. This paper describes a system that merges the computer generated 3D models with live video to enhance the surgeon's understanding of the anatomy ben...	false	false	[ "William E. Lorensen", "Harvey E. Cline", "Christopher Nafis", "Ron Kikinis", "David Altobelli", "P. Langham Gleason" ]	[ "BCS" ]	[]	[]
Vis	1,993	Fanal: A relational analysis and visualization package for high energy physics	10.1109/VISUAL.1993.398897	The package described in this paper has been designed for analyzing the data collected in the LEP experiment ALEPH. Its main graphical feature is a deep interplay between the description of the objects manipulated and their relationships, and their graphical representation. The easy access to information through naviga...	false	false	[ "H. Videau", "P. Mora de Freitas" ]	[]	[]	[]
Vis	1,993	Fast analytical computation of Richard's smooth molecular surface	10.1109/VISUAL.1993.398882	An algorithm for rapid computation of Richards's smooth molecular surface is described. The entire surface is computed analytically, triangulated, and displayed at interactive rates. The faster speeds for our program have been achieved by algorithmic improvements, paralleling the computations, and by taking advantage o...	false	false	[ "Amitabh Varshney", "Frederick P. Brooks Jr." ]	[]	[]	[]
Vis	1,993	Fast volume rendering of compressed data	10.1109/VISUAL.1993.398845	Volume rendering has been proposed as a useful tool for extracting information from large datasets, where non-visual analysis alone may not be feasible. The scale of these applications implies that data management is an important issue that needs to be addressed. Most volume rendering algorithms, however, process data ...	false	false	[ "Paul Ning", "Lambertus Hesselink" ]	[]	[]	[]
Vis	1,993	Feature extraction for oceanographic data using a 3D edge operator	10.1109/VISUAL.1993.398901	The features of greatest interest in ocean modeling in the Gulf of Mexico and along the Gulf Stream are the fronts and eddies. Resolving, modeling, and tracking these eddies over time is of great importance for climatological studies and economic advancement. In this paper we present a novel technique for automatically...	false	false	[ "R. J. Moorehead", "Z. Zhu" ]	[]	[]	[]
Vis	1,993	Fine-grain visualization algorithms in dataflow environments	10.1109/VISUAL.1993.398860	Most of the current dataflow visualization systems are based on coarse-grain dataflow computing models. In this paper we propose a fine-grain dataflow model that takes advantage of data locality properties of many visualization algorithms. A fine-grain module works on small chunks of data one at a time by keeping a dyn...	false	false	[ "D. Song", "Eric J. Golin" ]	[]	[]	[]
Vis	1,993	Flow volumes for interactive vector field visualization	10.1109/VISUAL.1993.398846	Flow volumes are the volumetric equivalent of stream lines. They provide more information about the vector field being visualized than do stream lines or ribbons. Presented is an efficient method for producing flow volumes, composed of transparently rendered tetrahedra, for use in an interactive system. The problems of...	false	false	[ "Nelson L. Max", "Barry G. Becker", "Roger Crawfis" ]	[]	[]	[]
Vis	1,993	Geometric clipping using Boolean textures	10.1109/VISUAL.1993.398878	Texture mapping is normally used to convey geometric detail without adding geometric complexity. This paper introduces Boolean textures, a texture mapping technique that uses implicit functions to generate texture maps and texture coordinates. These Boolean textures perform clipping during a renderer's scan conversion ...	false	false	[ "William E. Lorenson" ]	[ "BP" ]	[]	[]
Vis	1,993	Geometric optimization	10.1109/VISUAL.1993.398868	An algorithm is presented which describes an application independent method for reducing the number of polygonal primitives required to faithfully represent an object. Reducing polygon count without a corresponding reduction in object detail is important for: achieving interactive frame rates in scientific visualizatio...	false	false	[ "Paul A. Hinker", "Charles D. Hansen" ]	[]	[]	[]
Vis	1,993	GRASPARC-A problem solving environment integrating computation and visualization	10.1109/VISUAL.1993.398857	Visualization has proved an efficient tool in the understanding of large data sets in computational science and engineering. There is growing interest today in the development of problem solving environments which integrate both visualization and the computational process which generates the data. The GRASPARC project ...	false	false	[ "Ken Brodlie", "Andrew Poon", "Helen Wright", "Lesley Brankin", "Greg Banecki", "Alan Gay" ]	[]	[]	[]
Vis	1,993	HyperSlice - Visualization of Scalar Functions of Many Variables	10.1109/VISUAL.1993.398859	HyperSlice is a new method for the visualization of scalar functions of many variables. With this method the multi-dimensional function is presented in a simple and easy to understand way in which all dimensions are treated identically. The central concept is the representation of a multi-dimensional function as a matr...	false	false	[ "Jarke J. van Wijk", "Robert van Liere" ]	[]	[]	[]
Vis	1,993	Implicit stream surfaces	10.1109/VISUAL.1993.398875	Streamlines and stream surfaces are well known techniques for the visualization of fluid flow. For steady velocity fields, a streamline is the trace of a particle, and a stream surface is the trace of a curve. Here a new method is presented for the construction of stream surfaces. The central concept is the representat...	false	false	[ "Jarke J. van Wijk" ]	[]	[]	[]
Vis	1,993	InfoCrystal: A visual tool for information retrieval	10.1109/VISUAL.1993.398863	This paper introduces a novel representation, called the InfoCrystal, that can be used as a visualization tool as well as a visual query language to help users search for information. The InfoCrystal visualizes all the possible relationships among N concepts. Users can assign relevance weights to the concepts and use t...	false	false	[ "Anselm Spoerri" ]	[]	[]	[]
Vis	1,993	Interactive shading for surface and volume visualization on graphics workstations	10.1109/VISUAL.1993.398881	Shading is an effective exploratory visualization tool widely used in scientific visualization. Interactive, or close to interactive, shading of images offers significant benefit, but is generally too computationally expensive for graphics workstations. A novel method for providing interactive diffuse and specular shad...	false	false	[ "Peter A. Fletcher", "Philip K. Robertson" ]	[]	[]	[]
Vis	1,993	Interactive visualization methods for four dimensions	10.1109/VISUAL.1993.398869	Making accurate computer graphics representations of surfaces and volumes (2-manifolds and 3-manifolds) embedded in four-dimensional space typically involves complex and time-consuming computations. In order to make simulated worlds that help develop human intuition about the fourth dimensions, we need techniques that ...	false	false	[ "Andrew J. Hanson", "Robert A. Cross" ]	[]	[]	[]
Vis	1,993	MRIVIEW: An interactive computational tool for investigation of brain structure and function	10.1109/VISUAL.1993.398885	MRIVIEW is a software system that uses image processing and visualization to provide neuroscience researchers with an integrated environment for combining functional and anatomical information. Key features of the software include semi-automated segmentation of volumetric head data and an interactive coordinate reconci...	false	false	[ "Douglas M. Ranken", "John S. George" ]	[]	[]	[]
Vis	1,993	Navigating large networks with hierarchies	10.1109/VISUAL.1993.398870	This paper is aimed at the exploratory visualization of networks where there is a strength or weight associated with each link, and makes use of any hierarchy present on the nodes to aid the investigation of large networks. It describes a method of placing nodes on the plane that gives meaning to their relative positio...	false	false	[ "Stephen G. Eick", "Graham J. Wills" ]	[]	[]	[]
Vis	1,993	Non conventional methods for the visualization of events from high energy physics	10.1109/VISUAL.1993.398898	Visualization of events in high energy physics is an important tool to check hard- and software and to generate pictures for presentation purposes. The radial pattern of all events suggests the use of predefined projections, especially p/Z and Y/X. The representation can be improved by a "fish-eye" transformation and b...	false	false	[ "Hans Drevermann", "D. Kuhm", "B. Nilsson" ]	[]	[]	[]
Vis	1,993	Optimal filter design for volume reconstruction and visualization	10.1109/VISUAL.1993.398851	Digital filtering is a crucial operation in volume reconstruction and visualization. Lowpass filters are needed for subsampling and minification. Interpolation filters are needed for registration and magnification, and to compensate for geometric distortions introduced by scanners. Interpolation filters are also needed...	false	false	[ "Ingrid Carlbom" ]	[]	[]	[]
Vis	1,993	Orientation maps: Techniques for visualizing rotations (A Consumer's Guide)	10.1109/VISUAL.1993.398867	The set of possible orientations of a rigid three-dimensional object is a topological space with three degrees of freedom. This paper investigates the suitability of various techniques of visualizing this space. With a good technique the natural distance between orientations will be represented fairly accurately, and d...	false	false	[ "Bowen Alpern", "Larry Carter", "Matt Grayson", "Chris Pelkie" ]	[]	[]	[]
Vis	1,993	Performance visualization of parallel programs	10.1109/VISUAL.1993.398866	The user of a parallel computer system would like to know the performance of a program in terms of how optimally it uses the system resources. This task is increasingly performed by program performance visualization. The limitations of conventional performance data analysis techniques necessitate better visual analysis...	false	false	[ "Abdul Waheed", "Diane T. Rover" ]	[]	[]	[]
Vis	1,993	Rapid exploration of curvilinear grids using direct volume rendering (Extended Abstract)	10.1109/VISUAL.1993.398853	Fast techniques for direct volume rendering over curvilinear grids (common to computational fluid dynamics and finite element analysis) are developed. Three new projection methods that use polygon-rendering hardware for speed are presented and compared with each other and with previous methods for tetrahedral grids and...	false	false	[ "Allen Van Gelder", "Jane Wilhelms" ]	[]	[]	[]
Vis	1,993	Spray rendering: Visualization using smart particles	10.1109/VISUAL.1993.398880	We propose a new framework for doing scientific visualization. The basis for this framework is a combination of particle systems and behavioral animation. Here, particles are not only affected by the field that they are in, but can also exhibit different programmed behaviors. An intuitive delivery system, based on virt...	false	false	[ "Alex T. Pang", "Kyle Smith" ]	[]	[]	[]
Vis	1,993	Texture splats for 3D scalar and vector field visualization	10.1109/VISUAL.1993.398877	Volume visualization is becoming an important tool for understanding large 3D data sets. A popular technique for volume rendering is known as splatting. With new hardware architectures offering substantial improvements in the performance of rendering texture mapped objects, we present textured splats. An ideal reconstr...	false	false	[ "Roger Crawfis", "Nelson L. Max" ]	[ "TT", "BP" ]	[]	[]
Vis	1,993	The quantum Coulomb three-body problem - Visualization of simulation results and numerical methods	10.1109/VISUAL.1993.398911	Some years ago it was established that the muon catalyzed fusion phenomenon could be used for the production of energy. This fact has been causing a rebirth of interest in the universal methods of solving the quantum Coulomb three-body problem. The adiabatic hyperspherical (AHS) approach considered in this joint projec...	false	false	[ "D. I. Abramov", "V. V. Gusev", "Stanislav V. Klimenko", "L. I. Ponomarev", "W. Krueger", "W. Renz" ]	[]	[]	[]
Vis	1,993	The virtual restoration of the Visir tomb	10.1109/VISUAL.1993.398904	In the field of computer applications to archaeology, data visualization is one of the most recent and promising activity. The visual reconstruction obtained from partially or totally ruined data is a problem that archaeologists often face with during their work. The case we present here is the simulated reconstruction...	false	false	[ "Patrizia Palamidese", "M. Betro", "G. Muccioli" ]	[]	[]	[]
Vis	1,993	The vision camera: An interactive tool for volume data exploration and navigation	10.1109/VISUAL.1993.398847	In this work we focus on one of the key problems of scientific visualization, the object recognition dilemma. The necessity to pre-interpret application data in order to classify object surface voxels prior to rendering has prevented many visualization methods from becoming practical. We propose the concept of vision b...	false	false	[ "Hans-Heino Ehricke", "Gerhard Daiber", "Wolfgang Straßer" ]	[]	[]	[]
Vis	1,993	Tioga: A database-oriented visualization tool	10.1109/VISUAL.1993.398855	In the work we present a new architecture for visualization systems that is based on data base management system (DBMS) technology. By building on the mechanisms present in a next-generation DBMS, rather than merely on the capabilities of a standard file manager, we show that a simpler and more powerful visualization s...	false	false	[ "Michael Stonebraker", "Jolly Chen", "Nobuko Nathan", "Caroline Paxson", "Alan Su", "Jiang Wu" ]	[]	[]	[]
Vis	1,993	Towards a texture naming system: Identifying relevant dimensions of texture	10.1109/VISUAL.1993.398872	Recently, researchers have started using texture for data visualization. The rationale behind this is to exploit the sensitivity of the human visual system to texture in order to overcome the limitations inherent in the display of multidimensional data. A fundamental issue that must be addressed is what textural featur...	false	false	[ "A. Ravishankar Rao", "Gerald L. Lohse" ]	[]	[]	[]
Vis	1,993	Towards interactive steering, visualization and animation of unsteady finite element simulations	10.1109/VISUAL.1993.398895	Progress towards interactive steering of the time-accurate, unsteady finite-element simulation program DYNA3D is reported. Rudimentary steering has been demonstrated in a distributed computational environment encompassing a supercomputer, multiple graphics workstations, and a single frame animation recorder. The corout...	false	false	[ "G. David Kerlick", "E. Kirby" ]	[]	[]	[]
Vis	1,993	Unsteady phenomena, hypersonic flows and co-operative flow visualization in aerospace research	10.1109/VISUAL.1993.398894	Some techniques developed recently at DLR's Institute of Theoretical Fluid Mechanics in order to cope with the demands arising from today's work in aerodynamics are illustrated. Such new demands arise from new aerodynamical problems like the hypersonic flow field around re-entry vehicles, the study of unsteady phenomen...	false	false	[ "Hans-Georg Pagendarm" ]	[]	[]	[]
Vis	1,993	Virtual input devices for 3D systems	10.1109/VISUAL.1993.398862	The device unified interface is a generalized and easily expandable protocol for the communication between applications and input devices. The key idea is to unify various device data into the parameters of a so-called "virtual input device." The device information-base, which includes device dependent information, is ...	false	false	[ "Taosong He", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,993	Visual feedback in querying large databases	10.1109/VISUAL.1993.398864	In this paper, we describe a database query system that provides visual relevance feedback in querying large databases. The goal of our system is to support the query specification process by using each pixel of the display to represent one data item of the database. By arranging and coloring the pixels according to th...	false	false	[ "Daniel A. Keim", "Hans-Peter Kriegel", "Thomas Seidl 0001" ]	[]	[]	[]
Vis	1,993	Visualization and modeling of geophysical data	10.1109/VISUAL.1993.398892	We present the visualization and modeling techniques used in a case study to build feature-based computational models from geophysical data. Visualization was used to inspect the quality of the interpretation of the geophysical data. We describe the geophysical data graphical representation used to support rapid render...	false	false	[ "George Celniker", "Indranil Chakravarty", "Jan Moorman" ]	[]	[]	[]
Vis	1,993	Visualization of acoustic lens data	10.1109/VISUAL.1993.398884	3-dimensional data visualization from any input source involves the study and understanding of several steps. These steps include data acquisition, signal processing, image processing and image generation. Using a forward-looking high frequency sonar system (which focuses sound much like the eye focuses light), standar...	false	false	[ "Anthony J. Bladek" ]	[]	[]	[]
Vis	1,993	Visualization of oil reservoirs over a large range of scales as a catalyst for multi-disciplinary integration	10.1109/VISUAL.1993.398893	We discuss a system which provides a single, unified model of oil and gas reservoirs that is used across a range of disciplines from geologists to reservoir engineers. It has to store, manipulate and display reservoir phenomena which are observed over several orders of magnitude from 1 mm to 10 km. We propose that the ...	false	false	[ "S. Tyson", "B. Williams" ]	[]	[]	[]
Vis	1,993	Visualization of stratospheric ozone depletion and the polar vortex	10.1109/VISUAL.1993.398899	Direct analysis of spacecraft observations of stratospheric ozone yields information about the morphology of annual austral depletion. Visual correlation of ozone with other atmospheric data illustrates the diurnal dynamics of the polar vortex and contributions from the upper troposphere, including the formation and br...	false	false	[ "Lloyd Treinish" ]	[]	[]	[]
Vis	1,993	Visualization of time-dependent flow fields	10.1109/VISUAL.1993.398848	Presently, there are very few visualization systems available for time-dependent flow fields. Although existing visualization systems for instantaneous flow fields may be used to view time-dependent flow fields at discrete points in time, the time variable is usually not considered in the visualization technique. We pr...	false	false	[ "David A. Lane" ]	[]	[]	[]
Vis	1,993	Visualization of turbulent flow with particles	10.1109/VISUAL.1993.398850	In this work a new method for visualization of three-dimensional turbulent flow using particle motion animation is presented. The method is based on Reynolds decomposition of a turbulent flow field into a convective and a turbulent motion. At each step of particle path generation a stochastic perturbation is added, res...	false	false	[ "Andrea J. S. Hin", "Frits H. Post" ]	[]	[]	[]
Vis	1,993	Visualizing results of transient flow simulations	10.1109/VISUAL.1993.398896	This work briefly describes our approach to visualize results of transient flow simulations in the application areas of groundwater flow and pollutant transport as well as compressible fluid flow in engine parts. The simulations use finite element data structures and can have geometries which change over time. We desig...	false	false	[ "Harald F. Mayer", "Behnam Tabatabai" ]	[]	[]	[]
Vis	1,993	Volume sampled voxelization of geometric primitives	10.1109/VISUAL.1993.398854	We present a 3-D antialiasing algorithm for voxel-based geometric models. The technique band-limits the continuous object before sampling it at the desired 3-D raster resolution. By precomputing tables of filter values for different types and sizes of geometric objects, the algorithm is very efficient and has a complex...	false	false	[ "Sidney W. Wang", "Arie E. Kaufman" ]	[]	[]	[]
CHI	1,993	A space based model for user interaction in shared synthetic environments	10.1145/169059.169068	In a distributed shared synthetic environment with provisions for high quality 3D visualization and interaction, it is possible to implement a powerful variant of a rooms/space metaphor based on the concept of presence or proximity between participants in 3D space. This kind of model can be used as an interface between...	false	false	[ "Lennart E. Fahlén", "Charles Grant Brown", "Olov Ståhl", "Christer Carlsson" ]	[]	[]	[]
CHI	1,993	A synergistic approach to specifying simple number independent layouts by example	10.1145/169059.169221	A grid-based technique to specify simple number independent layouts by example is described. This technique was originally developed to support layout specification for a parallel program visualization system but can be applied to aid other simple graphical layout tasks as well. The technique works by allowing the user...	false	false	[ "Scott E. Hudson", "Chen-Ning Hsi" ]	[]	[]	[]
CHI	1,993	Automatic structure visualization for video editing	10.1145/169059.169118	We developed intelligent functions for the automatic description of video structure, and visualization methods for temporal-spatial video structures obtained by these functions as well as for the functions. The functions offer descriptions of cut separations, motion of the camera and filmed objects, tracts and contour ...	false	false	[ "Hirotada Ueda", "Takafumi Miyatake", "Shigeo Sumino", "Akio Nagasaka" ]	[]	[]	[]
CHI	1,993	Beyond interface builders: model-based interface tools	10.1145/169059.169305	Interface builders only support the construction of the menus and dialogue boxes of an application. They do not support the construction of interfaces of many application classes (visualization, simulation, command and control, domain-specific editors) because of the dynamic and complex information that these applicati...	false	false	[ "Pedro A. Szekely", "Ping Luo", "Robert Neches" ]	[]	[]	[]
CHI	1,993	Fish tank virtual reality	10.1145/169059.169066	The defining characteristics of what we call “Fish Tank Virtual Reality” are a stereo image of a three dimensional (3D) scene viewed on a monitor using a perspective projection coupled to the head position of the observer. We discuss some of the relative merits of this mode of viewing as compared to head mounted stereo...	false	false	[ "Colin Ware", "Kevin Arthur", "Kellogg S. Booth" ]	[]	[]	[]
CHI	1,993	High interaction data visualization using Seesoft to visualize program change history (abstract)	10.1145/169059.169480	A problem in developing large software systems is understanding the source code. This problem is difficult because of the volume of code. The listing for a moderately sized system with 100,000 lines, printed 50 lines per page, would run 2,000 pa~s. This video shows a new software tool, Seesoft , that applies scientific...	false	false	[ "Joseph L. Steffen", "Stephen G. Eick" ]	[]	[]	[]

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