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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
CHI	1,998	Visualizing the Evolution of Web Ecologies	10.1145/274644.274699	Several visualizations have emerged which attempt to visualize all or part of the World Wide Web. Those visualizations, however, fail to present the dynamically changing ecology of users and documents on the Web. We present new techniques for Web Ecology and Evolution Visualization (WEEV). Disk Trees represent a discre...	false	false	[ "Ed Huai-hsin Chi", "James E. Pitkow", "Jock D. Mackinlay", "Peter Pirolli", "Rich Gossweiler", "Stuart K. Card" ]	[]	[]	[]
Vis	1,997	A comparison of normal estimation schemes	10.1109/VISUAL.1997.663848	The task of reconstructing the derivative of a discrete function is essential for its shading and rendering as well as being widely used in image processing and analysis. We survey the possible methods for normal estimation in volume rendering and divide them into two classes based on the delivered numerical accuracy. ...	false	false	[ "Torsten Möller", "Raghu Machiraju", "Klaus Mueller 0001", "Roni Yagel" ]	[]	[]	[]
Vis	1,997	A topology modifying progressive decimation algorithm	10.1109/VISUAL.1997.663883	Triangle decimation techniques reduce the number of triangles in a mesh, typically to improve interactive rendering performance or reduce data storage and transmission requirements. Most of these algorithms are designed to preserve the original topology of the mesh. Unfortunately, this characteristic is a strong limiti...	false	false	[ "William J. Schroeder" ]	[]	[]	[]
Vis	1,997	A visualization of music	10.1109/VISUAL.1997.663931	Currently, the most popular method of visualizing music is music notation. Through music notation, an experienced musician can gain an impression of how a particular piece of music sounds simply by looking at the notes on paper. However, most listeners are unfamiliar or uncomfortable with the complex nature of music no...	false	false	[ "Sean M. Smith", "Glen N. Williams" ]	[]	[]	[]
Vis	1,997	Accelerated volume rendering using homogeneous region encoding	10.1109/VISUAL.1997.663880	Previous accelerated volume rendering techniques have used auxiliary hierarchical datastructures to skip empty and homogeneous regions. Although some recent research has taken advantage of more efficient direct encoding techniques to skip empty regions, no work has been done to directly encode homogeneous but not empty...	false	false	[ "Jason Freund", "Kenneth R. Sloan" ]	[]	[]	[]
Vis	1,997	An anti-aliasing technique for splatting	10.1109/VISUAL.1997.663882	Splatting is a popular direct volume rendering algorithm. However, the algorithm does not correctly render cases where the volume sampling rate is higher than the image sampling rate (e.g. more than one voxel maps into a pixel). This situation arises with orthographic projections of high-resolution volumes, as well as ...	false	false	[ "J. Edward Swan II", "Klaus Mueller 0001", "Torsten Möller", "Naeem Shareef", "Roger Crawfis", "Roni Yagel" ]	[ "BP" ]	[]	[]
Vis	1,997	An interactive cerebral blood vessel exploration system	10.1109/VISUAL.1997.663917	An interactive cerebral blood vessel exploration system is described. It has been designed on the basis of neurosurgeons' requirements in order to assist them in the diagnosis of vascular pathologies. The system is based on the construction of a symbolic model of the vascular tree, with automatic identification and lab...	false	false	[ "Anna Puig", "Dani Tost", "Isabel Navazo" ]	[]	[]	[]
Vis	1,997	Application-controlled demand paging for out-of-core visualization	10.1109/VISUAL.1997.663888	In the area of scientific visualization, input data sets are often very large. In visualization of computational fluid dynamics (CFD) in particular, input data sets today can surpass 100 Gbytes, and are expected to scale with the ability of supercomputers to generate them. Some visualization tools already partition lar...	false	false	[ "Michael Cox", "David Ellsworth" ]	[]	[]	[]
Vis	1,997	Architectural walkthroughs using portal textures	10.1109/VISUAL.1997.663903	This paper outlines a method to dynamically replace portals with textures in a cell-partitioned model. The rendering complexity is reduced to the geometry of the current cell thus increasing interactive performance. A portal is a generalization of windows and doors. It connects two adjacent cells (or rooms). Each porta...	false	false	[ "Daniel G. Aliaga", "Anselmo Lastra" ]	[]	[]	[]
Vis	1,997	Auralization of streamline vorticity in computational fluid dynamics data	10.1109/VISUAL.1997.663856	Presents a new method for auralization of the vorticity of a streamline in a vector field. This technique involves using a composite tone formed by superimposing sine waves of various amplitudes whose frequency and amplitude vary in such a way as to give the perception that the resulting sound increases or decreases en...	false	false	[ "Christopher R. Volpe", "Ephraim P. Glinert" ]	[]	[]	[]
Vis	1,997	Brushing techniques for exploring volume datasets	10.1109/VISUAL.1997.663914	Describes several visualization techniques based on the notion of multi-resolution brushing to browse large 3D volume datasets. Our software is implemented using public-domain libraries, and is designed to run on average-equipped desktop computers such as a Linux machine with 32 MBytes of memory. Empirically, our syste...	false	false	[ "Pak Chung Wong", "R. Daniel Bergeron" ]	[]	[]	[]
Vis	1,997	Building and traversing a surface at variable resolution	10.1109/VISUAL.1997.663865	The authors consider the multi-triangulation, a general model for representing surfaces at variable resolution based on triangle meshes. They analyse characteristics of the model that make it effective for supporting basic operations such as extraction of a surface approximation, and point location. An interruptible al...	false	false	[ "Leila De Floriani", "Paola Magillo", "Enrico Puppo" ]	[]	[]	[]
Vis	1,997	Case study: efficient visualization of physical and structural properties in crash-worthiness simulations	10.1109/VISUAL.1997.663928	Numerical finite element simulations of the behaviour of a car body in frontal, side or rear impact collision scenarios have become increasingly complex as well as reliable and precise. They are well-established as a standard evaluation tool in the automotive development process. Both the increased complexity and the a...	false	false	[ "Sven Kuschfeldt", "Thomas Ertl", "Michael Holzner" ]	[]	[]	[]
Vis	1,997	Case study: visualizing customer segmentations produced by self organizing maps	10.1109/VISUAL.1997.663922	We describe a set of visualization programs developed for understanding segmentations of customer records produced by a self organizing map (SOM) algorithm. A SOM produces segments of similar customer records that can then be used as the basis of a marketing campaign. Since the characteristics that each segment will ha...	false	false	[ "Holly E. Rushmeier", "Richard D. Lawrence", "George S. Almási" ]	[]	[]	[]
Vis	1,997	Case study: wildfire visualization	10.1109/VISUAL.1997.663919	The ability to forecast the progress of crisis events would significantly reduce human suffering and loss of life, the destruction of property and expenditures for assessment and recovery. Los Alamos National Laboratory has established a scientific thrust in crisis forecasting to address this national challenge. In the...	false	false	[ "James P. Ahrens", "Patrick S. McCormick", "James Bossert", "Jon Reisner", "Judith Winterkamp" ]	[]	[]	[]
Vis	1,997	CAVEvis: distributed real-time visualization of time-varying scalar and vector fields using the CAVE virtual reality theater	10.1109/VISUAL.1997.663896	The paper discusses CAVEvis and a related set of tools for the interactive visualization and exploration of large sets of time-varying scalar and vector fields using the CAVE virtual reality environment. Since visualization of large data sets can be very time-consuming in both computation and rendering time, the task i...	false	false	[ "Vijendra Jaswal" ]	[]	[]	[]
Vis	1,997	Collaborative augmented reality: exploring dynamical systems	10.1109/VISUAL.1997.663921	We present collaborative scientific visualization in STUDIERSTUBE. STUDIERSTUBE is an augmented reality system that has several advantages over conventional desktop and other virtual reality environments, including true stereoscopy, 3D-interaction, individual viewpoints and customized views for multiple users, unhinder...	false	false	[ "Anton L. Fuhrmann", "Helwig Löffelmann", "Dieter Schmalstieg" ]	[]	[]	[]
Vis	1,997	Collaborative visualization	10.1109/VISUAL.1997.663890	Current visualization systems are designed around a single user model, making it awkward for large research teams to collectively analyse large data sets. The paper shows how the popular data flow approach to visualization can be extended to allow multiple users to collaborate-each running their own visualization pipel...	false	false	[ "Jason D. Wood", "Helen Wright", "Ken Brodlie" ]	[]	[]	[]
Vis	1,997	Collision detection for volumetric objects	10.1109/VISUAL.1997.663851	We propose a probability model for the handling of complicated interactions between volumetric objects. In our model each volume is associated with a "probability map" that assigns a "surface crossing" probability to each space point according to local volume properties. The interaction between two volumes is then desc...	false	false	[ "Taosong He", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,997	Computing the separating surface for segmented data	10.1109/VISUAL.1997.663887	An algorithm for computing a triangulated surface which separates a collection of data points that have been segmented into a number of different classes is presented. The problem generalizes the concept of an isosurface which separates data points that have been segmented into only two classes: those for which data fu...	false	false	[ "Gregory M. Nielson", "Richard Franke" ]	[]	[]	[]
Vis	1,997	Constrained 3D navigation with 2D controllers	10.1109/VISUAL.1997.663876	Navigation through 3D spaces is required in many interactive graphics and virtual reality applications. The authors consider the subclass of situations in which a 2D device such as a mouse controls smooth movements among viewpoints for a "through the screen" display of a 3D world. Frequently, there is a poor match betw...	false	false	[ "Andrew J. Hanson", "Eric A. Wernert" ]	[]	[]	[]
Vis	1,997	Controlled simplification of genus for polygonal models	10.1109/VISUAL.1997.663909	Genus-reducing simplifications are important in constructing multiresolution hierarchies for level-of-detail-based rendering, especially for datasets that have several relatively small holes, tunnels, and cavities. We present a genus-reducing simplification approach that is complementary to the existing work on genus-p...	false	false	[ "Jihad El-Sana", "Amitabh Varshney" ]	[]	[]	[]
Vis	1,997	Determination of unknown particle charges in a thunder cloud based upon detected electric field vectors	10.1109/VISUAL.1997.663926	Climatological data about thunderstorms is traditionally collected by balloons or planes traveling through the storm along straight tracts. Such data lends itself to simple 2D representations. The data described in this paper was gathered by a sail plane spiraling in an updraft within a thundercloud. The more complex o...	false	false	[ "Dan Drake", "Thomas Simpson", "Larry Smithmier", "Penny Rheingans" ]	[]	[]	[]
Vis	1,997	Displaying data in multidimensional relevance space with 2D visualization maps	10.1109/VISUAL.1997.663868	The paper introduces a tool for visualizing a multidimensional relevance space. Abstractly, the information to be displayed consists of a large number of objects, a set of features that are likely to be of interest to the user, and some function that measures the relevance level of every object to the various features....	false	false	[ "Jackie Assa", "Daniel Cohen-Or", "Tova Milo" ]	[]	[]	[]
Vis	1,997	DNA visual and analytic data mining	10.1109/VISUAL.1997.663916	Describes data exploration techniques designed to classify DNA sequences. Several visualization and data mining techniques were used to validate and attempt to discover new methods for distinguishing coding DNA sequences (exons) from non-coding DNA sequences (introns). The goal of the data mining was to see whether som...	false	false	[ "Patrick Hoffman", "Georges G. Grinstein", "Kenneth A. Marx", "Ivo Grosse", "Eugene Stanley" ]	[]	[]	[]
Vis	1,997	Dynamic color mapping of bivariate qualitative data	10.1109/VISUAL.1997.663874	Color is widely and reliably used to display the value of a single scalar variable. It is more rarely, and far less reliably, used to display multivariate data. Dynamic control over the parameters of the color mapping results in a more effective environment for the exploration of multivariate spatial distributions. The...	false	false	[ "Penny Rheingans" ]	[]	[]	[]
Vis	1,997	Dynamic smooth subdivision surfaces for data visualization	10.1109/VISUAL.1997.663905	Recursive subdivision schemes have been extensively used in computer graphics and scientific visualization for modeling smooth surfaces of arbitrary topology. Recursive subdivision generates a visually pleasing smooth surface in the limit from an initial user-specified polygonal mesh through the repeated application of...	false	false	[ "Chhandomay Mandal", "Hong Qin", "Baba C. Vemuri" ]	[]	[]	[]
Vis	1,997	Efficient subdivision of finite-element datasets into consistent tetrahedra	10.1109/VISUAL.1997.663885	The paper discusses the problem of subdividing unstructured mesh topologies containing hexahedra, prisms, pyramids and tetrahedra into a consistent set of only tetrahedra, while preserving the overall mesh topology. Efficient algorithms for volume rendering, iso-contouring and particle advection exist for mesh topologi...	false	false	[ "Guy Albertelli", "Roger Crawfis" ]	[]	[]	[]
Vis	1,997	Extracting feature lines from 3D unstructured grids	10.1109/VISUAL.1997.663894	The paper discusses techniques for extracting feature lines from three-dimensional unstructured grids. The twin objectives are to facilitate the interactive manipulation of these typically very large and dense meshes, and to clarify the visualization of the solution data that accompanies them. The authors describe the ...	false	false	[ "Kwan-Liu Ma", "Victoria Interrante" ]	[]	[]	[]
Vis	1,997	exVis: developing a wind tunnel data visualization tool	10.1109/VISUAL.1997.663911	Software has been developed to apply visualization techniques to aeronautics data collected during wind tunnel experiments. Interaction between the software developers and the aeroscientists has been crucial in making the software. The interaction has also been important in building the scientists' confidence in the us...	false	false	[ "Samuel P. Uselton" ]	[]	[]	[]
Vis	1,997	Fast oriented line integral convolution for vector field visualization via the Internet	10.1109/VISUAL.1997.663897	Oriented line integral convolution (OLIC) illustrates flow fields by convolving a sparse texture with an anisotropic convolution kernel. The kernel is aligned to the underlying flow of the vector field. OLIC does not only show the direction of the flow but also its orientation. The paper presents fast rendering of orie...	false	false	[ "Rainer Wegenkittl", "M. Eduard Gröller" ]	[]	[]	[]
Vis	1,997	GADGET: goal-oriented application design guidance for modular visualization environments	10.1109/VISUAL.1997.663889	Modular visualization environments (MVEs) have recently been regarded as the de facto standard for scientific data visualization, mainly due to adoption of the visual programming style, reusability, and extendability. However, since scientists and engineers as the MVE principal user are not always familiar with how to ...	false	false	[ "Issei Fujishiro", "Yuriko Takeshima", "Yoshihiko Ichikawa", "Kyoko Nakamura" ]	[]	[]	[]
Vis	1,997	Haar wavelets over triangular domains with applications to multiresolution models for flow over a sphere	10.1109/VISUAL.1997.663871	Some new piecewise constant wavelets defined over nested triangulated domains are presented and applied to the problem of multiresolution analysis of flow over a spherical domain. These new, nearly orthogonal wavelets have advantages over the existing weaker biorthogonal wavelets. In the planar case of uniform areas, t...	false	false	[ "Gregory M. Nielson", "Il-Hong Jung", "Junwon Sung" ]	[]	[]	[]
Vis	1,997	I/O optimal isosurface extraction	10.1109/VISUAL.1997.663895	The authors give I/O-optimal techniques for the extraction of isosurfaces from volumetric data, by a novel application of the I/O-optimal interval tree of Arge and Vitter (1996). The main idea is to preprocess the data set once and for all to build an efficient search structure in disk, and then each time one wants to ...	false	false	[ "Yi-Jen Chiang", "Cláudio T. Silva" ]	[]	[]	[]
Vis	1,997	Image synthesis from a sparse set of views	10.1109/VISUAL.1997.663892	The authors present an image synthesis methodology and a system built around it. Given a sparse set of photographs taken from unknown viewpoints, the system generates images from new, different viewpoints with correct perspective, and handles occlusion. It achieves this without requiring any knowledge about the 3D stru...	false	false	[ "Qian Chen 0022", "Gérard G. Medioni" ]	[]	[]	[]
Vis	1,997	Information Exploration Shootout Project And Benchmark Data Sets: Evaluating How Visualization Does In Analyzing Real-World Data Analysis Problems	10.1109/VISUAL.1997.663933	The convergence of database systems, knowledge discovery, anti visualization will have a fundamental impact on our capability to mine information and knowledge from very large databases. An enhanced data exploration capability has immediate applications to business and commerce, decision systems, information management...	false	false	[ "Georges G. Grinstein", "Sharon J. Laskowski", "Graham J. Wills", "Bernice E. Rogowitz" ]	[]	[]	[]
Vis	1,997	Instructional software for visualizing optical phenomena	10.1109/VISUAL.1997.663918	We describe a multidisciplinary effort for creating interactive 3D graphical modules for visualizing optical phenomena. These modules are designed for use in an upper-level undergraduate course. The modules are developed in Open Inventor, which allows them to run under both Unix and Windows. The work is significant in ...	false	false	[ "David C. Banks", "John T. Foley", "Kiril Vidimce", "Ming-Hoe Kiu" ]	[]	[]	[]
Vis	1,997	Integrated volume compression and visualization	10.1109/VISUAL.1997.663900	Volumetric data sets require enormous storage capacity even at moderate resolution levels. The excessive storage demands not only stress the capacity of the underlying storage and communications systems, but also seriously limit the speed of volume rendering due to data movement and manipulation. A novel volumetric dat...	false	false	[ "Tzi-cker Chiueh", "Chuan-Kai Yang", "Taosong He", "Hanspeter Pfister", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,997	Interactive visualization of aircraft and power generation engines	10.1109/VISUAL.1997.663927	Presents a system for interactively visualizing large polygonal environments such as those produced by CAD systems during the design of aircraft and power generation engines. Our method combines view frustum culling with level-of-detail modeling to create a visualization system that supports part motion and has the abi...	false	false	[ "Lisa Sobierajski Avila", "William J. Schroeder" ]	[]	[]	[]
Vis	1,997	Interactive volume rendering for virtual colonoscopy	10.1109/VISUAL.1997.663915	3D virtual colonoscopy has recently been proposed as a non-invasive alternative procedure for the visualization of the human colon. Surface rendering is sufficient for implementing such a procedure to obtain an overview of the interior surface of the colon at interactive rendering speeds. Unfortunately, physicians can ...	false	false	[ "Suya You", "Lichan Hong", "Ming Wan", "Kittiboon Junyaprasert", "Arie E. Kaufman", "Shigeru Muraki", "Yong Zhou 0001", "Mark Wax", "Zhengrong Liang" ]	[]	[]	[]
Vis	1,997	Interval volume tetrahedrization	10.1109/VISUAL.1997.663886	The interval volume is a generalization of the isosurface commonly associated with the marching cubes algorithm. Based upon samples at the locations of a 3D rectilinear grid, the algorithm produces a triangular approximation to the surface defined by F(x,y,z)=c. The interval volume is defined by /spl alpha//spl les/F(x...	false	false	[ "Gregory M. Nielson", "Junwon Sung" ]	[]	[]	[]
Vis	1,997	Isosurface extraction using particle systems	10.1109/VISUAL.1997.663930	Presents a new approach to isosurface extraction from volume data using particle systems. Particle behavior is dynamic and can be based on laws of physics or artificial rules. For isosurface extraction, we program particles to be attracted towards a specific surface value while simultaneously repelling adjacent particl...	false	false	[ "Patricia Crossno", "Edward Angel" ]	[]	[]	[]
Vis	1,997	Multiresolution compression and reconstruction	10.1109/VISUAL.1997.663901	The paper presents a framework for multiresolution compression and geometric reconstruction of arbitrarily dimensioned data designed for distributed applications. Although being restricted to uniform sampled data, the versatile approach enables the handling of a large variety of real world elements. Examples include no...	false	false	[ "Oliver G. Staadt", "Markus H. Gross", "Roger Weber" ]	[]	[]	[]
Vis	1,997	Multiresolution tetrahedral framework for visualizing regular volume data	10.1109/VISUAL.1997.663869	The authors present a multiresolution framework, called Multi-Tetra framework, that approximates volume data with different levels-of-detail tetrahedra. The framework is generated through a recursive subdivision of the volume data and is represented by binary trees. Instead of using a certain level of the Multi-Tetra f...	false	false	[ "Yong Zhou 0001", "Baoquan Chen", "Arie E. Kaufman" ]	[]	[]	[]
Vis	1,997	Multivariate visualization using metric scaling	10.1109/VISUAL.1997.663866	The authors present an efficient visualization approach to support multivariate data exploration through a simple but effective low dimensional data overview based on metric scaling. A multivariate dataset is first transformed into a set of dissimilarities between all pairs of data records. A graph configuration algori...	false	false	[ "Pak Chung Wong", "R. Daniel Bergeron" ]	[]	[]	[]
Vis	1,997	Optimized geometry compression for real-time rendering	10.1109/VISUAL.1997.663902	Most existing visualization applications use 3D geometry as their basic rendering primitive. As users demand more complex data sets, the memory requirements for retrieving and storing large 3D models are becoming excessive. In addition, the current 3D rendering hardware is facing a large memory bus bandwidth bottleneck...	false	false	[ "Mike M. Chow" ]	[]	[]	[]
Vis	1,997	Pearls found on the way to the ideal interface for scanned probe microscopes	10.1109/VISUAL.1997.663923	Since 1991, our team of computer scientists, chemists and physicists have worked together to develop an advanced, virtual-environment interface to scanned-probe microscopes. The interface has provided insights and useful capabilities well beyond those of the traditional interface. This paper lists the particular visual...	false	false	[ "Russell M. Taylor II", "Jun Chen", "Shoji Okimoto", "Noel Llopis-Artime", "Vernon L. Chi", "Frederick P. Brooks Jr.", "Michael R. Falvo", "Scott Paulson", "Pichet Thiansathaporn", "David Glick", "Sean Washburn", "Richard Superfine" ]	[]	[]	[]
Vis	1,997	Perceptual Measures For Effective Visualizations	10.1109/VISUAL.1997.663934	How do we measure the effectiveness of visualizations? Clearly any metric has to be based on perceptual models, since we are measuring how a display is perceived and interpreted by a human being, Can we build useful metrics to evaluate the value of image content? Can we build metrics for user interaction that can feed ...	false	false	[ "Holly E. Rushmeier", "Harrison H. Barrett", "Penny Rheingans", "Samuel P. Uselton", "Andrew Watson" ]	[]	[]	[]
Vis	1,997	Principal stream surfaces	10.1109/VISUAL.1997.663859	The use of stream surfaces and streamlines is well established in vector visualization. However, the proper placement of starting points is critical for these constructs to clearly illustrate the flow topology. In this paper, we present the principal stream surface algorithm, which automatically generates stream surfac...	false	false	[ "Wenli Cai", "Pheng-Ann Heng" ]	[]	[]	[]
Vis	1,997	Repairing CAD models	10.1109/VISUAL.1997.663904	We describe an algorithm for repairing polyhedral CAD models that have errors in their B-REP. Errors like cracks, degeneracies, duplication, holes and overlaps are usually introduced in solid models due to imprecise arithmetic, model transformations, designer errors, programming bugs, etc. Such errors often hamper furt...	false	false	[ "Gill Barequet", "Subodh Kumar 0001" ]	[]	[]	[]
Vis	1,997	ROAMing terrain: Real-time Optimally Adapting Meshes	10.1109/VISUAL.1997.663860	Terrain visualization is a difficult problem for applications requiring accurate images of large datasets at high frame rates, such as flight simulation and ground-based aircraft testing using synthetic sensor simulation. On current graphics hardware, the problem is to maintain dynamic, view-dependent triangle meshes a...	false	false	[ "Mark A. Duchaineau", "Murray Wolinsky", "David E. Sigeti", "Mark C. Miller", "Charles Aldrich", "Mark B. Mineev-Weinstein" ]	[]	[]	[]
Vis	1,997	Simplifying polygonal models using successive mappings	10.1109/VISUAL.1997.663908	We present the use of mapping functions to automatically generate levels of detail with known error bounds for polygonal models. We develop a piece-wise linear mapping function for each simplification operation and use this function to measure deviation of the new surface from both the previous level of detail and from...	false	false	[ "Jonathan D. Cohen 0001", "Dinesh Manocha", "Marc Olano" ]	[]	[]	[]
Vis	1,997	Singularities in nonuniform tensor fields	10.1109/VISUAL.1997.663857	Studies the topology of 2nd-order symmetric tensor fields. Degenerate points are basic constituents of tensor fields. From the set of degenerate points, an experienced researcher can reconstruct a whole tensor field. We address the conditions for the existence of degenerate points and, based on these conditions, we pre...	false	false	[ "Yingmei Lavin", "Yuval Levy", "Lambertus Hesselink" ]	[]	[]	[]
Vis	1,997	Smooth hierarchical surface triangulations	10.1109/VISUAL.1997.663906	Presents a new method to produce a hierarchical set of triangle meshes that can be used to blend different levels of detail in a smooth fashion. The algorithm produces a sequence of meshes /spl Mscr//sub 0/, /spl Mscr//sub 1/, /spl Mscr//sub 2/..., /spl Mscr//sub n/, where each mesh /spl Mscr//sub i/ can be transformed...	false	false	[ "Tran S. Gieng", "Bernd Hamann", "Kenneth I. Joy", "Gregory L. Schussman", "Issac J. Trotts" ]	[]	[]	[]
Vis	1,997	Strategies for effectively visualizing 3D flow with volume LIC	10.1109/VISUAL.1997.663912	This paper discusses strategies for effectively portraying 3D flow using volume line integral convolution. Issues include defining an appropriate input texture, clarifying the distinct identities and relative depths of the advected texture elements, and selectively highlighting regions of interest in both the input and...	false	false	[ "Victoria Interrante", "Chester Grosch" ]	[]	[]	[]
Vis	1,997	Terascale Visualization: Approaches, Pitfalls And Issues	10.1109/VISUAL.1997.663932	Author(s): Cox, M. B.; Crawfis, Roger; Hamann, Bernd; Hanson, C.; Miller, Mark \| Editor(s): Yagel, R.; Hagen, Hans \| Abstract: Massively Parallel Supercomputers are once again quickly outpacing our ability to organize, manage and understand the prodigious amounts of data they generate. Graphics technology and algorithm...	false	false	[ "Carol L. Hunter", "Roger Crawfis", "Michael Cox", "Bernd Hamann", "Charles D. Hansen", "Mark C. Miller" ]	[]	[]	[]
Vis	1,997	The contour spectrum	10.1109/VISUAL.1997.663875	The authors introduce the contour spectrum, a user interface component that improves qualitative user interaction and provides real-time exact quantification in the visualization of isocontours. The contour spectrum is a signature consisting of a variety of scalar data and contour attributes, computed over the range of...	false	false	[ "Chandrajit L. Bajaj", "Valerio Pascucci", "Daniel Schikore" ]	[]	[]	[]
Vis	1,997	The motion map: efficient computation of steady flow animations	10.1109/VISUAL.1997.663899	The paper presents a new approach for animating 2D steady flow fields. It is based on an original data structure called the motion map. The motion map contains not only a dense representation of the flow field but also all the motion information required to animate the flow. An important feature of this method is that ...	false	false	[ "Bruno Jobard", "Wilfrid Lefer" ]	[]	[]	[]
Vis	1,997	The multilevel finite element method for adaptive mesh optimization and visualization of volume data	10.1109/VISUAL.1997.663907	Multilevel representations and mesh reduction techniques have been used for accelerating the processing and the rendering of large datasets representing scalar- or vector-valued functions defined on complex 2D or 3D meshes. We present a method based on finite element approximations which combines these two approaches i...	false	false	[ "Roberto Grosso", "Christoph Lürig", "Thomas Ertl" ]	[]	[]	[]
Vis	1,997	The VSBUFFER: visibility ordering of unstructured volume primitives by polygon drawing	10.1109/VISUAL.1997.663853	Different techniques have been proposed for rendering volumetric scalar data sets. Usually these approaches are focusing on orthogonal cartesian grids, but in the last years research did also concentrate on arbitrary structured or even unstructured topologies. In particular, direct volume rendering of these data types ...	false	false	[ "Rüdiger Westermann", "Thomas Ertl" ]	[]	[]	[]
Vis	1,997	Towards efficient visualization support for single-block and multi-block datasets	10.1109/VISUAL.1997.663913	Large simulation grids and multi-grid configurations impose many constraints on commercial visualization software. When available RAM is limited and graphics primitives are numbered in millions, alternative techniques for data access and processing are necessary. In this case study, we present our contributions to a vi...	false	false	[ "Jean-Marie Favre" ]	[]	[]	[]
Vis	1,997	Two-phase perspective ray casting for interactive volume navigation	10.1109/VISUAL.1997.663878	Volume navigation is the interactive exploration of volume data sets by "flying" the view point through the data, producing a volume rendered view at each frame. The authors present an inexpensive perspective volume navigation method designed to run on a PC platform with accelerated 3D graphics hardware. They compute p...	false	false	[ "Martin L. Brady", "Kenneth K. Jung", "H. T. Nguyen", "Thinh P. Q. Nguyen" ]	[]	[]	[]
Vis	1,997	UFLIC: a line integral convolution algorithm for visualizing unsteady flows	10.1109/VISUAL.1997.663898	The paper presents an algorithm, UFLIC (Unsteady Flow LIC), to visualize vector data in unsteady flow fields. Using line integral convolution (LIC) as the underlying method, a new convolution algorithm is proposed that can effectively trace the flow's global features over time. The new algorithm consists of a time-accu...	false	false	[ "Han-Wei Shen", "David L. Kao" ]	[]	[]	[]
Vis	1,997	Viewing IGES files through VRML	10.1109/VISUAL.1997.663924	This paper describes our experiences with using the Virtual Reality Modeling Language (VRML) to view files in the Initial Graphics Exchange Specification (IGES) format using a Java-based translator from IGES to VRML and HTML (Hypertext Markup Language). The paper examines the conversion problems between IGES and VRML a...	false	false	[ "Jed Marti" ]	[]	[]	[]
Vis	1,997	Virtualized reality: constructing time-varying virtual worlds from real world events	10.1109/VISUAL.1997.663893	Virtualized reality is a modeling technique that constructs full 3D virtual representations of dynamic events from multiple video streams. Image-based stereo is used to compute a range image corresponding to each intensity image in each video stream. Each range and intensity image pair encodes the scene structure and a...	false	false	[ "Peter Rander", "P. J. Narayanan", "Takeo Kanade" ]	[]	[]	[]
Vis	1,997	Visualization of geometric algorithms in an electronic classroom	10.1109/VISUAL.1997.663920	This paper investigates the visualization and animation of geometric computing in a distributed electronic classroom. We show how focusing in a well-defined domain makes it possible to develop a compact system that is accessible to even naive users. We present a conceptual model and a system, GASP-II (Geometric Animati...	false	false	[ "Maria Shneerson", "Ayellet Tal" ]	[]	[]	[]
Vis	1,997	Visualization of height field data with physical models and texture photomapping	10.1109/VISUAL.1997.663862	The paper discusses a unique way to visualize height field data-the use of solid fabricated parts with a photomapped texture to display scalar information. In this process, the data in a height field are turned into a 3D solid representation through solid freeform fabrication techniques, in this case laminated object m...	false	false	[ "Dru Clark", "Michael J. Bailey" ]	[]	[]	[]
Vis	1,997	Visualization of higher order singularities in vector fields	10.1109/VISUAL.1997.663858	Presents an algorithm for the visualization of vector field topology based on Clifford algebra. It allows the detection of higher-order singularities. This is accomplished by first analysing the possible critical points and then choosing a suitable polynomial approximation, because conventional methods based on piecewi...	false	false	[ "Gerik Scheuermann", "Hans Hagen", "Heinz Krüger", "Martin Menzel", "Alyn P. Rockwood" ]	[]	[]	[]
Vis	1,997	Visualization of large terrains in resource-limited computing environments	10.1109/VISUAL.1997.663863	The authors describe a software system supporting interactive visualization of large terrains in a resource-limited environment, i.e. a low-end client computer accessing a large terrain database server through a low-bandwidth network. By "large", they mean that the size of the terrain database is orders of magnitude la...	false	false	[ "Boris Rabinovich", "Craig Gotsman" ]	[]	[]	[]
Vis	1,997	Visualization of plant growth	10.1109/VISUAL.1997.663925	The measurement, analysis and visualization of plant growth is of primary interest to plant biologists. We are developing software tools to support such investigations. There are two parts in this investigation, namely growth visualization of (i) a plant root and (ii) a plant stem. For both domains, the input data is a...	false	false	[ "Jeremy J. Loomis", "Xiuwen Liu", "Zhaohua Ding", "Kikuo Fujimura", "Michael L. Evans", "Hideo Ishikawa" ]	[]	[]	[]
Vis	1,997	Visualization of rotation fields	10.1109/VISUAL.1997.663929	We define a rotation field by extending the notion of a vector field to rotations. A vector field has a vector as a value at each point of its domain; a rotation field has a rotation as a value at each point of its domain. Rotation fields result from mapping the orientation error of tracking systems. We build upon prev...	false	false	[ "Mark A. Livingston" ]	[]	[]	[]
Vis	1,997	Visualizing the behaviour of higher dimensional dynamical systems	10.1109/VISUAL.1997.663867	In recent years scientific visualization has been driven by the need to visualize high-dimensional data sets within high-dimensional spaces. However most visualization methods are designed to show only some statistical features of the data set. The paper deals with the visualization of trajectories of high-dimensional ...	false	false	[ "Rainer Wegenkittl", "Helwig Löffelmann", "M. Eduard Gröller" ]	[]	[]	[]
Vis	1,997	VizWiz: a Java applet for interactive 3D scientific visualization on the Web	10.1109/VISUAL.1997.663891	VizWiz is a Java applet that provides basic interactive scientific visualization functionality, such as isosurfaces, cutting planes, and elevation plots, for 2D and 3D datasets that can be loaded into the applet by the user via, the applet's Web server. VizWiz is unique in that it is a completely platform independent s...	false	false	[ "Cherilyn Michaels", "Michael J. Bailey" ]	[]	[]	[]
Vis	1,997	Volume rendering of abdominal aortic aneurysms	10.1109/VISUAL.1997.663855	One well known application area of volume rendering is the reconstruction and visualization of output from medical scanners like computed tomography (CT). 2D greyscale slices produced by these scanners can be reconstructed and displayed onscreen as a 3D model. Volume visualization of medical images must address two imp...	false	false	[ "Roger C. Tam", "Christopher G. Healey", "Borys Flak", "Peter Cahoon" ]	[]	[]	[]
Vis	1,997	Vortex identification-applications in aerodynamics: a case study	10.1109/VISUAL.1997.663910	An eigenvector method for vortex identification has been applied to recent numerical and experimental studies in external flow aerodynamics. It is shown to be an effective way to extract and visualize features such as vortex cores, spiral vortex breakdowns, vortex bursting, and vortex diffusion. Several problems are re...	false	false	[ "David N. Kenwright", "Robert Haimes" ]	[ "BCS" ]	[]	[]
Vis	1,997	Wavelet-based multiresolutional representation of computational field simulation datasets	10.1109/VISUAL.1997.663872	The paper addresses multiresolutional representation of datasets arising from a computational field simulation. The approach determines the regions of interest, breaks the volume into variable size blocks to localize the information, and then codes each block using a wavelet transform. The blocks are then ranked by vis...	false	false	[ "Zhifan Zhu", "Raghu Machiraju", "Bryan Fry", "Robert J. Moorhead II" ]	[]	[]	[]
InfoVis	1,997	A spreadsheet approach to information visualization	10.1109/INFVIS.1997.636761	In information visualization, as the volume and complexity of the data increases, researchers require more powerful visualization tools that enable them to more effectively explore multidimensional datasets. We discuss the general utility of a novel visualization spreadsheet framework. Just as a numerical spreadsheet e...	false	false	[ "Ed H. Chi", "Phillip Barry", "John Riedl", "Joseph A. Konstan" ]	[]	[]	[]
InfoVis	1,997	Adaptive information visualization based on the user's multiple viewpoints - interactive 3D visualization of the WWW	10.1109/INFVIS.1997.636778	We introduce the adaptive information visualization method for hypermedia and the WWW based on the user's multiple viewpoints. We propose two graphical interfaces, the CVI and the RF-Cone. The CVI is the interface for interactive viewpoint selection. We can select a viewpoint reflecting our interests by using the CVI. ...	false	false	[ "Teruhiko Teraoka", "Minoru Maruyama" ]	[]	[]	[]
InfoVis	1,997	Cacti: a front end for program visualization	10.1109/INFVIS.1997.636785	We describe a system that allows the user to rapidly construct program visualizations over a variety of data sources. Such a system is a necessary foundation for using visualization as an aid to software understanding. The system supports an arbitrary set of data sources so that information from both static and dynamic...	false	false	[ "Steven P. Reiss" ]	[]	[]	[]
InfoVis	1,997	Coordinating declarative queries with a direct manipulation data exploration environment	10.1109/INFVIS.1997.636788	Interactive visualization techniques allow data exploration to be a continuous process, rather than a discrete sequence of queries and results as in traditional database systems. However limitations in expressive power of current visualization systems force users to go outside the system and form a new dataset in order...	false	false	[ "Mark Derthick", "Steven F. Roth", "John Kolojejchick" ]	[]	[]	[]
InfoVis	1,997	Design and evaluation of incremental data structures and algorithms for dynamic query interfaces	10.1109/INFVIS.1997.636790	A dynamic query interface (DQI) is a database access mechanism that provides continuous real-time feedback to the user during query formulation. Previous work shows that DQIs are elegant and powerful interfaces to small databases. Unfortunately, when applied to large databases, previous DQI algorithms slow to a crawl. ...	false	false	[ "Egemen Tanin", "Richard Beigel", "Ben Shneiderman" ]	[]	[]	[]
InfoVis	1,997	Domesticating Bead: adapting an information visualization system to a financial institution	10.1109/INFVIS.1997.636789	The Bead visualization system employs a fast algorithm for laying out high-dimensional data in a low-dimensional space, and a number of features added to 3D visualizations to improve imageability. We describe recent work on both aspects of the system, in particular a generalization of the data types laid out and the im...	false	false	[ "Dominique Brodbeck", "Matthew Chalmers", "Aran Lunzer", "Pamela Cotture" ]	[]	[]	[]
InfoVis	1,997	H3: laying out large directed graphs in 3D hyperbolic space	10.1109/INFVIS.1997.636718	We present the H3 layout technique for drawing large directed graphs as node-link diagrams in 3D hyperbolic space. We can lay out much larger structures than can be handled using traditional techniques for drawing general graphs because we assume a hierarchical nature of the data. We impose a hierarchy on the graph by ...	false	false	[ "Tamara Munzner" ]	[]	[]	[]
InfoVis	1,997	Managing multiple focal levels in Table Lens	10.1109/INFVIS.1997.636787	The Table Lens, focus+context visualization for large data tables, allows users to see 100 times as many data values as a spreadsheet in the same screen space in a manner that enables an extremely immediate form of exploratory data analysis. In the original Table Lens design, data are shown in the context area using gr...	false	false	[ "Tichomir Tenev", "Ramana Rao" ]	[]	[]	[]
InfoVis	1,997	Managing software with new visual representations	10.1109/INFVIS.1997.636782	Managing large projects is a very challenging task requiring the tracking and scheduling of many resources. Although new technologies have made it possible to automatically collect data on project resources, it is very difficult to access this data because of its size and lack of structure. We present three novel glyph...	false	false	[ "Mei C. Chuah", "Stephen G. Eick" ]	[]	[]	[]
InfoVis	1,997	Metrics for effective information visualization	10.1109/INFVIS.1997.636794	Metrics for information visualization will help designers create and evaluate 3D information visualizations. Based on experience from 60+ 3D information visualizations, the metrics we propose are: number of data points and data density; number of dimensions and cognitive overhead; occlusion percentage; and reference co...	false	false	[ "Richard Brath" ]	[]	[]	[]
InfoVis	1,997	Multidimensional detective	10.1109/INFVIS.1997.636793	The display of multivariate datasets in parallel coordinates, transforms the search for relations among the variables into a 2-D pattern recognition problem. This is the basis for the application to visual data mining. The knowledge discovery process together with some general guidelines are illustrated on a dataset fr...	false	false	[ "Alfred Inselberg" ]	[]	[]	[]
InfoVis	1,997	Nonlinear magnification fields	10.1109/INFVIS.1997.636786	We introduce nonlinear magnification fields as an abstract representation of nonlinear magnification, providing methods for converting transformation routines to magnification fields and vice-versa. This new representation provides ease of manipulation and power of expression. By removing the restrictions of explicit f...	false	false	[ "Alan Keahey", "Edward L. Robertson" ]	[]	[]	[]
InfoVis	1,997	On integrating visualization techniques for effective software exploration	10.1109/INFVIS.1997.636784	This paper describes the SHriMP visualization technique for seamlessly exploring software structure and browsing source code, with a focus on effectively assisting hybrid program comprehension strategies. The technique integrates both pan+zoom and fisheye-view visualization approaches for exploring a nested graph view ...	false	false	[ "Margaret-Anne D. Storey", "Kenny Wong", "F. David Fracchia", "Hausi A. Müller" ]	[]	[]	[]
InfoVis	1,997	The structure of the information visualization design space	10.1109/INFVIS.1997.636792	Research on information visualization has reached the point where a number of successful point designs have been proposed and a variety of techniques have been discovered. It is now appropriate to describe and analyze portions of the design space so as to understand the differences among designs and to suggest new poss...	false	false	[ "Stuart K. Card", "Jock D. Mackinlay" ]	[ "TT" ]	[]	[]
InfoVis	1,997	Visualizing information on a sphere	10.1109/INFVIS.1997.636759	We describe a method for the visualization of information units on spherical domains which is employed in the banking industry for risk analysis, stock prediction and other tasks. The system is based on a quantification of the similarity of related objects that governs the parameters of a mass-spring system. Unlike exi...	false	false	[ "Markus H. Gross", "Thomas C. Sprenger", "J. Finger" ]	[]	[]	[]
InfoVis	1,997	Volume rendering for relational data	10.1109/INFVIS.1997.636791	A method for efficiently volume rendering dense scatterplots of relational data is described. Plotting difficulties that arise from large numbers of data points, categorical variables, interaction with non-axis dimensions, and unknown values, are addressed by this method. The domain of the plot is voxelized using binni...	false	false	[ "Barry G. Becker" ]	[]	[]	[]
CHI	1,997	Balancing Usability and Learning in an Interface	10.1145/258549.258995	Creating educational software forces a difficult tradeoff. The software must be easy for the students to use, yet not so simple that the parts that students are to learn from are done for them by the computer. DEVICE (Dynamic Environment for Visualization of Chemical Engineering) is a learning environment aimed at allo...	false	false	[ "Noel Rappin", "Mark Guzdial", "Matthew J. Realff", "Pete Ludovice" ]	[]	[]	[]
CHI	1,997	Bringing Treasures to the Surface: Iterative Design for the Library of Congress National Digital Library Program	10.1145/258549.259009	ABSTRACT The Human-Computer Interaction Lab worked with a team for the Library of Congress (LC) to develop and test interface designs for LC's National Digital Library Program. Three iterations are described and illustrate the progression of the project toward a compact design that minimizes scrolling and jumping and a...	false	false	[ "Catherine Plaisant", "Gary Marchionini", "Tom Bruns", "Anita Komlodi", "Laura Campbell" ]	[]	[]	[]
CHI	1,997	Characterizing Interactive Externalizations	10.1145/258549.258803	This paper seeks to characterize the space of techniques that exist for interactive externalisations (visualizations). A selection of visualizations are classified with respect to: the types of data represented, the nature of the visible feedback displayed and the forms of interactivity used. Such characterization prov...	false	false	[ "Lisa Tweedie" ]	[]	[]	[]
CHI	1,997	Putting Visualization to Work: ProgramFinder for Youth Placement	10.1145/258549.259003	The Human-Computer Interaction Laboratory (HCIL) and the Maryland Department of Juvenile Justice (DJJ) have been working together to develop the ProgramFinder, a tool for choosing programs for a troubled youth from drug rehabilitation centers to secure residential facilities. The seemingly straightforward journey of th...	false	false	[ "Jason B. Ellis", "Anne Rose", "Catherine Plaisant" ]	[]	[]	[]
Vis	1,996	A 3D Contextual Shading Method for Visualization of Diecasting Defects	10.1109/VISUAL.1996.568143	In many mechanical design-related activities, the visualization tool needs to convey not only the shape of the objects, but also their interior problem regions. Due to the binary nature of these models, existing shading models often fall short of supporting a realistic display. In this case study, we present several ne...	false	false	[ "Shao-Chiung Lu", "Alec B. Rebello", "D. H. Cui", "Roni Yagel", "Richard Allen Miller", "Gary L. Kinzel" ]	[]	[]	[]
Vis	1,996	A fast Gibbs sampler for synthesizing constrained fractals	10.1109/VISUAL.1996.567598	It is well known that the spatial frequency spectra of membrane and thin-plate splines exhibit self-affine characteristics and hence behave as fractals. This behavior was exploited in generating the constrained fractal surfaces in the work of Szeliski and Terzopoulos (1989), which were generated by using a Gibbs sample...	false	false	[ "Baba C. Vemuri", "Chhandomay Mandal" ]	[]	[]	[]
Vis	1,996	A haptic interaction method for volume visualization	10.1109/VISUAL.1996.568108	Volume visualization techniques typically provide support for visual exploration of data, however additional information can be conveyed by allowing a user to see as well as feel virtual objects. We present a haptic interaction method that is suitable for both volume visualization and modeling applications. Point conta...	false	false	[ "Ricardo S. Avila", "Lisa M. Sobierajski" ]	[]	[]	[]
Vis	1,996	A linear iteration time layout algorithm for visualising high-dimensional data	10.1109/VISUAL.1996.567787	A technique is presented for the layout of high dimensional data in a low dimensional space. This technique builds upon the force based methods that have been used previously to make visualisations of various types of data such as bibliographies and sets of software modules. The canonical force based model, related to ...	false	false	[ "Matthew Chalmers" ]	[]	[]	[]

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