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
EuroVis	2,002	Locating Closed Streamlines in 3D Vector Fields	10.2312/VisSym/VisSym02/227-232	The analysis and visualization of flows is a central problem in visualization. Topology based methods have gained increasing interest in recent years. This article describes a method for the detection of closed streamlines in 3D flows. It is based on a special treatment of cases where a streamline reenters a cell to pr...	false	false	[ "Thomas Wischgoll", "Gerik Scheuermann" ]	[]	[]	[]
EuroVis	2,002	Octreemizer: A Hierarchical Approach for Interactive Roaming Through Very Large Volumes	10.2312/VisSym/VisSym02/053-060	We have developed a hierarchical paging scheme for handling very large volumetric data sets at interactive frame rates. Our system trades texture resolution for speed and uses effective prediction strategies. We have tested our approach for datasets with up to 16GB in size and show that it works well with less than 500...	false	false	[ "John Plate", "Michael Tirtasana", "Rhadamés Carmona", "Bernd Fröhlich 0001" ]	[]	[]	[]
EuroVis	2,002	Parallel and Out-of-core View-dependent Isocontour Visualization Using Random Data Distribution	10.2312/VisSym/VisSym02/009-018	In this paper we describe a parallel and out-of-core view-dependent isocontour visualization algorithm that efficiently extracts and renders the visible portions of an isosurface from large datasets. The algorithm first creates an occlusion map using ray-casting and nearest neighbors. With the occlusion map constructed...	false	false	[ "Xiaoyu Zhang", "Chandrajit Bajaj", "Vijaya Ramachandran" ]	[]	[]	[]
EuroVis	2,002	Secondary Task Display Attributes - Optimizing Visualizations for Cognitive Task Suitability and Interference Avoidance	10.2312/VisSym/VisSym02/165-171	We found that established display design guidelines for focal images cannot be extended to images displayed as a secondary task in a dual-task situation. This paper describes an experiment that determines a new ordering guideline for secondary task image attributes according to human cognitive ability to extract inform...	false	false	[ "Christa M. Chewar", "D. Scott McCrickard", "Ali Ndiwalana", "Chris North 0001", "Jon Pryor", "David Tessendorf" ]	[]	[]	[]
EuroVis	2,002	Shear-Warp Deluxe: The Shear-Warp Algorithm Revisited	10.2312/VisSym/VisSym02/095-104	Despite continued advances in volume rendering technology, the Shear-Warp algorithm, although conceived as early as 1994, still remains the world's fastest purely software-based volume rendering algorithm. The impressive speed of near double-digit framerates for moderately sized datasets, however, does come at the pric...	false	false	[ "Jon Sweeney", "Klaus Mueller 0001" ]	[]	[]	[]
EuroVis	2,002	Speech and Gesture Multimodal Control of a Whole Earth 3D Visualization Environment	10.2312/VisSym/VisSym02/195-200	A growing body of research shows several advantages to multimodal interfaces including increased expressiveness, flexibility, and user freedom. This paper investigates the design of such an interface that integrates speech and hand gestures. The interface has the additional property of operating relative to the user an...	false	false	[ "David M. Krum", "Olugbenga Omoteso", "William Ribarsky", "Thad Starner", "Larry F. Hodges" ]	[]	[]	[]
EuroVis	2,002	Statistical Computation of Salient ISO-Values	10.2312/VisSym/VisSym02/019-024	Detection of the salient iso-values in a volume dataset is often the first step towards its exploration. An error-and-trail approach is often used; new semi-automatic techniques either make assumptions about their data [4] or present multiple criteria for analysis. Determining if a dataset satisfies an algorithm's assu...	false	false	[ "Shivaraj Tenginakai", "Raghu Machiraju" ]	[]	[]	[]
EuroVis	2,002	Useful Properties of Semantic Depth of Field for Better F+C Visualization	10.2312/VisSym/VisSym02/205-210	This paper presents the results of a thorough user study that was performed to assess some features and the general usefulness of Semantic Depth of Field (SDOF). Based on these results, concrete hints are given on how SDOF can be used for visualization. SDOF was found to be a very effective means for guiding the viewer...	false	false	[ "Robert Kosara", "Silvia Miksch", "Helwig Hauser" ]	[]	[]	[]
EuroVis	2,002	View-Dependent Multiresolution Splatting of Non-Uniform Data	10.2312/VisSym/VisSym02/125-132	This paper develops an approach for the splat-based visualization of large scale, non-uniform data. A hierarchical structure is generated that permits detailed treatment at the leaf nodes of the non-uniform distribution. A set of levels of detail (LODs) are generated based on the levels of the hierarchy. These yield tw...	false	false	[ "Justin Jang", "William Ribarsky", "Christopher D. Shaw", "Nickolas Faust" ]	[]	[]	[]
EuroVis	2,002	Viewpoint Entropy: A New Tool for Obtaining Good Views of Molecules	10.2312/VisSym/VisSym02/183-188	The computation of good viewpoints is important in several fields: computer graphics, removal of degeneracies in computational geometry, robotics, graph drawing, etc. However, in areas such as computer graphics there is no consensus on what a good viewpoint means and, consequently, each author uses his or her own defin...	false	false	[ "Pere-Pau Vázquez", "Miquel Feixas", "Mateu Sbert", "Antoni Llobet" ]	[]	[]	[]
EuroVis	2,002	Visualization of Bibliographic Networks with a Reshaped Landscape Metaphor	10.2312/VisSym/VisSym02/159-164	We describe a novel approach to visualize bibliographic networks that facilitates the simultaneous identification of clusters (e.g., topic areas) and prominent entities (e.g., surveys or landmark papers). While employing the landscape metaphor proposed in several earlier works, we introduce new means to determine relev...	false	false	[ "Ulrik Brandes", "Thomas Willhalm" ]	[]	[]	[]
EuroVis	2,002	Visualization of Large Web Access Data Sets	10.2312/VisSym/VisSym02/201-204	Many real-world e-service applications require analyzing large volumes of transaction data to extract web access information. This paper describes Web Access Visualization (WAV) a system that visually associates the affinities and relationships of clients and URLs for large volumes of web transaction data. To date, man...	false	false	[ "Ming C. Hao", "Pankaj K. Garg", "Umeshwar Dayal", "Vijay Machiraju", "Daniel Cotting" ]	[]	[]	[]
EuroVis	2,002	Visualizing and Investigating Multidimensional Functions	10.2312/VisSym/VisSym02/173-182	This paper addresses the problem of visualizing multidimensional scalar functions. These functions are often encountered in fields such as Engineering, Mathematics, and Physics to understand and model complex phenomena. We propose a novel method based on the dimension reduction philosophy called HyperCell. Its basic co...	false	false	[ "Selan R. dos Santos", "Ken W. Brodlie" ]	[]	[]	[]
EuroVis	2,002	Volume Rendering Multivariate Data to Visualize Meteorological Simulations: A Case Study	10.2312/VisSym/VisSym02/189-194	High resolution computational weather models are becoming increasing complex. However, the analysis of these models has not benefited from recent advancements in volume visualization. This case study applies the ideas and techniques from multi-dimensional transfer function based volume rendering to the multivariate wea...	false	false	[ "Joe Kniss", "Charles D. Hansen" ]	[]	[]	[]
EuroVis	2,002	Vortex Tracking in Scale-Space	10.2312/VisSym/VisSym02/233-240	Scale-space techniques have become popular in computer vision for their capability to access the multiscale information inherently contained in images. We show that the field of flow visualization can benefit from these techniques, too, yielding more coherent features and sorting out numerical artifacts as well as irre...	false	false	[ "Dirk Bauer", "Ronald Peikert" ]	[]	[]	[]
CHI	2,002	Automating CPM-GOMS	10.1145/503376.503404	CPM-GOMS is a modeling method that combines the task decomposition of a GOMS analysis with a model of human resource usage at the level of cognitive, perceptual, and motor operations. CPM-GOMS models have made accurate predictions about skilled user behavior in routine tasks, but developing such models is tedious and e...	false	false	[ "Bonnie E. John", "Alonso H. Vera", "Michael Matessa", "Michael Freed", "Roger W. Remington" ]	[]	[]	[]
CHI	2,002	Keeping things in context: a comparative evaluation of focus plus context screens, overviews, and zooming	10.1145/503376.503423	Users working with documents that are too large and detailed to fit on the user's screen (e.g. chip designs) have the choice between zooming or applying appropriate visualization techniques. In this paper, we present a comparison of three such techniques. The first, focus plus context screens, are wall-size low-resolut...	false	false	[ "Patrick Baudisch", "Nathaniel Good", "Victoria Bellotti", "Pamela K. Schraedley" ]	[]	[]	[]
CHI	2,002	Polyarchy visualization: visualizing multiple intersecting hierarchies	10.1145/503376.503452	We describe a new information structure composed of multiple intersecting hierarchies, which we call Polyarchies. Visualizing polyarchies enables use of novel views for discovery of relationships which are very difficult using existing hierarchy visualization tools. This paper will describe the visualization design and...	false	false	[ "George G. Robertson", "Kim Cameron", "Mary Czerwinski", "Daniel C. Robbins" ]	[]	[]	[]
Vis	2,001	4D space-time techniques: a medical imaging case study	10.1109/VISUAL.2001.964554	We present the problem of visualizing time-varying medical data. Two medical imaging modalities are compared-MRI and dynamic SPECT. For each modality, we examine several derived scalar and vector quantities such as the change in intensity over time, the spatial gradient, and the change of the gradient over time. We com...	false	false	[ "Melanie Tory", "Niklas Röber", "Torsten Möller", "Anna Celler", "M. Stella Atkins" ]	[]	[]	[]
Vis	2,001	A case study on interactive exploration and guidance aids for visualizing historical data	10.1109/VISUAL.2001.964557	In this paper, we address the problem of historical data visualization. We describe the data acquisition, preparation, and visualization. Since the data contain four dimensions, the standard 3D exploration techniques have to be extended or appropriately adapted in order to enable interactive exploration. We discuss in ...	false	false	[ "Stanislav L. Stoev", "Wolfgang Straßer" ]	[]	[]	[]
Vis	2,001	A complete distance field representation	10.1109/VISUAL.2001.964518	Distance fields are an important volume representation. A high quality distance field facilitates accurate surface characterization and gradient estimation. However, due to Nyquist's law, no existing volumetric methods based on the linear sampling theory can fully capture surface details, such as comers and edges, in 3...	false	false	[ "Jian Huang", "Yan Li", "Roger Crawfis", "Shao-Chiung Lu", "Shuh-Yuan Liou" ]	[]	[]	[]
Vis	2,001	A memory insensitive technique for large model simplification	10.1109/VISUAL.2001.964502	The authors propose three simple, but significant improvements to the OoCS (Out-of-Core Simplification) algorithm of P. Lindstrom (2000) which increase the quality of approximations and extend the applicability of the algorithm to an even larger class of compute systems. The original OoCS algorithm has memory complexit...	false	false	[ "Peter Lindstrom 0001", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,001	A simple algorithm for surface denoising	10.1109/VISUAL.2001.964500	We present a simple denoising technique for geometric data represented as a semiregular mesh, based on locally adaptive Wiener filtering. The degree of denoising is controlled by a single parameter (an estimate of the relative noise level) and the time required for denoising is independent of the magnitude of the estim...	false	false	[ "Jianbo Peng", "Vasily Strela", "Denis Zorin" ]	[]	[]	[]
Vis	2,001	A tetrahedra-based stream surface algorithm	10.1109/VISUAL.2001.964506	This paper presents a new algorithm for the calculation of stream surfaces for tetrahedral grids. It propagates the surface through the tetrahedra, one at a time, calculating the intersections with the tetrahedral faces. The method allows us to incorporate topological information from the cells, e.g. critical points. T...	false	false	[ "Gerik Scheuermann", "Tom Bobach", "Hans Hagen", "Karim Mahrous", "Bernd Hamann", "Kenneth I. Joy", "Wolfgang Kollmann" ]	[]	[]	[]
Vis	2,001	A virtual environment for simulated rat dissection: a case study of visualization for astronaut training	10.1109/VISUAL.2001.964564	Animal dissection for the scientific examination of organ subsystems is a delicate procedure. Performing this procedure under the complex environment of microgravity presents additional challenges because of the limited training opportunities available that can recreate the altered gravity environment. Traditional astr...	false	false	[ "Kevin Montgomery", "Cynthia Bruyns", "Simon Wildermuth" ]	[]	[]	[]
Vis	2,001	Accelerated volume ray-casting using texture mapping	10.1109/VISUAL.2001.964521	Acceleration techniques for volume ray-casting are primarily based on pre-computed data structures that allow one to efficiently traverse empty or homogeneous regions. In order to display volume data that successively undergoes color lookups, however, the data structures have to be re-built continuously. In this paper ...	false	false	[ "Rüdiger Westermann", "Bernd Sevenich" ]	[]	[]	[]
Vis	2,001	An immersive virtual environment for DT-MRI volume visualization applications: a case study	10.1109/VISUAL.2001.964545	We describe a virtual reality environment for visualizing tensor-valued volumetric datasets acquired with diffusion tensor magnetic resonance imaging (DT-MRI). We have prototyped a virtual environment that displays geometric representations of the volumetric second-order diffusion tensor data and are developing interac...	false	false	[ "Song Zhang 0004", "Çagatay Demiralp", "Daniel F. Keefe", "M. DaSilva", "David H. Laidlaw", "Benjamin D. Greenberg", "Peter J. Basser", "Carlo Pierpaoli", "E. A. Chiocca", "Thomas S. Deisboeck" ]	[]	[]	[]
Vis	2,001	Approximate shading for the re-illumination of synthetic images	10.1109/VISUAL.2001.964535	Presents a method to estimate illumination dependent properties in image synthesis prior to rendering. A preprocessing step is described in which a linear image basis is developed and a lighting-independent formulation defined. A reflection function, similar to hemispherical reflectance, approximates normal Lambertian ...	false	false	[ "Randy K. Scoggins", "Raghu Machiraju", "Robert J. Moorhead II" ]	[]	[]	[]
Vis	2,001	Archaeological Data Visualization in VR: Analysis of Lamp Finds at the Great Temple of Petra, a Case Study	10.1109/VISUAL.2001.964560	Presents the results of an evaluation of the ARCHAVE (ARCHAeological Virtual Environment) system, an immersive virtual reality (VR) environment for archaeological research. ARCHAVE is implemented in a Cave. The evaluation studied researchers analyzing lamp and coin finds throughout the excavation trenches at the Petra ...	false	false	[ "Daniel Acevedo Feliz", "Eileen Vote", "David H. Laidlaw", "Martha Sharp Joukowsky" ]	[]	[]	[]
Vis	2,001	Attribute preserving dataset simplification	10.1109/VISUAL.2001.964501	The paper describes a novel application of feature preserving mesh simplification to the problem of managing large, multidimensional datasets during scientific visualization. To allow this, we view a scientific dataset as a triangulated mesh of data elements, where the attributes embedded in each element form a set of ...	false	false	[ "Jason D. Walter", "Christopher G. Healey" ]	[]	[]	[]
Vis	2,001	Case study on real-time visualization of virtual Tubingen on commodity PC hardware	10.1109/VISUAL.2001.964544	For psychophysical studies in spatial cognition a virtual model of the picturesque old town of Tubingen has been constructed. In order to perform psychophysical experiments in highly realistic virtual environments the model is based on high quality texture maps adding up to several hundreds of MBytes. To accomplish the...	false	false	[ "Michael Meißner", "Jasmina Orman", "Stephan J. Braun" ]	[]	[]	[]
Vis	2,001	Case study: an environment for understanding protein simulations using game graphics	10.1109/VISUAL.2001.964547	We describe a visualization system designed for interactive study of proteins in the field of computational biology. Our system incorporates multiple, custom, three-dimensional and two-dimensional linked views of the proteins. We take advantage of modem commodity graphics cards, which are typically designed for games r...	false	false	[ "Donna L. Gresh", "Frank Suits", "Yuk Yin Sham" ]	[]	[]	[]
Vis	2,001	Case study: application of feature tracking to analysis of autoignition simulation data	10.1109/VISUAL.2001.964551	The focus of this paper is to evaluate the usefulness of some basic feature tracking algorithms as analysis tools for combustion datasets by application to a dataset modeling autoignition. Features defined as areas of high intermediate concentrations were examined to explore the initial phases in the autoignition proce...	false	false	[ "Wendy S. Koegler" ]	[]	[]	[]
Vis	2,001	Case study: interacting with cortical flat maps of the human brain	10.1109/VISUAL.2001.964553	The complex geometry of the human brain contains many folds and fissures, making it impossible to view the entire surface at once. Since most of the cortical activity occurs on these folds, it is desirable to be able to view the entire surface of the brain in a single view. This can be achieved using quasi-conformal fl...	false	false	[ "Monica K. Hurdal", "Kevin W. Kurtz", "David C. Banks" ]	[]	[]	[]
Vis	2,001	Case study: medical Web service for the automatic 3D documentation for neuroradiological diagnosis	10.1109/VISUAL.2001.964542	The case study presents a medical Web service for the automatic analysis of CTA (computer tomography angiography) datasets. It aims at the detection and evaluation of intracranial aneurysms which are malformations of cerebral blood vessels. To obtain a standardized 3D visualization, digital videos are automatically gen...	false	false	[ "Sabine Iserhardt-Bauer", "Peter Hastreiter", "Thomas Ertl", "K. Eberhardt", "Bernd Tomandl" ]	[]	[]	[]
Vis	2,001	Case study: reconstruction, visualization and quantification of neuronal fiber pathways	10.1109/VISUAL.2001.964549	It is of significant interest for neurological studies to determine and visualize neuronal fiber pathways in the human brain. By exploiting the capability of diffusion tensor magnetic resonance imaging to detect local orientations of neuronal fibers, we have developed a system of algorithms to reconstruct, visualize an...	false	false	[ "Zhaohua Ding", "John C. Gore", "Adam W. Anderson" ]	[]	[]	[]
Vis	2,001	Case study: visual debugging of cluster hardware	10.1109/VISUAL.2001.964543	This paper presents a novel use of visualization applied to debugging the Cplant/sup TM/ cluster hardware at Sandia National Laboratories. As commodity cluster systems grow in popularity and grow in size, tracking component failures within the hardware will become more and more difficult. We have developed a tool that ...	false	false	[ "Patricia Crossno", "Rena A. Haynes" ]	[]	[]	[]
Vis	2,001	Case study: visualization of particle track data	10.1109/VISUAL.2001.964552	The Relativistic Heavy Ion Collider (RHIC) experiment at the Brookhaven National Lab is designed to study how the universe came into being. It is believed that after the Big Bang, the universe expanded and cooled, consisting of a soup of quarks, gluons, electrons and neutrinos. As the temperature lowered, electrons com...	false	false	[ "Xiaoming Wei", "Arie E. Kaufman", "Timothy J. Hallman" ]	[]	[]	[]
Vis	2,001	Cell-projection of cyclic meshes	10.1109/VISUAL.2001.964514	We present the first algorithm that employs hardware-accelerated cell-projection for direct volume rendering of cyclic meshes, i.e., meshes with visibility cycles. The visibility sorting of a cyclic mesh is performed by an extended topological sorting, which computes and isolates visibility cycles. Measured sorting tim...	false	false	[ "Martin Kraus", "Thomas Ertl" ]	[]	[]	[]
Vis	2,001	Chromatin decondensation: case study of tracking features in confocal data	10.1109/VISUAL.2001.964546	In this case study we discuss an interactive feature tracking system and its use for the analysis of chromatin decondensation. Features are described as points in a multidimensional attribute space. Distances between points are used as a measure for feature correspondence. Users can interactively experiment with the co...	false	false	[ "Wim C. de Leeuw", "Robert van Liere" ]	[]	[]	[]
Vis	2,001	Circular incident edge lists: a data structure for rendering complex unstructured grids	10.1109/VISUAL.2001.964511	We present the circular incident edge lists (CIEL), a new data structure and a high-performance algorithm for generating a series of iso-surfaces in a highly unstructured grid. Slicing-based volume rendering is also considered. The CIEL data structure represents all the combinatorial information of the grid, making it ...	false	false	[ "Bruno Lévy 0001", "Guillaume Caumon", "Stéphane Conreaux", "Xavier Cavin" ]	[]	[]	[]
Vis	2,001	Compressing large polygonal models	10.1109/VISUAL.2001.964532	Presents an algorithm that uses partitioning and gluing to compress large triangular meshes which are too complex to fit in main memory. The algorithm is based largely on the existing mesh compression algorithms, most of which require an 'in-core' representation of the input mesh. Our solution is to partition the mesh ...	false	false	[ "Jeffrey Ho", "Kuang-chih Lee", "David J. Kriegman" ]	[]	[]	[]
Vis	2,001	Computed tomography angiography: a case study of peripheral vessel investigation	10.1109/VISUAL.2001.964555	This paper deals with vessel exploration based on computed tomography angiography. Large image sequences of the lower extremities are investigated in a clinical environment. Two different approaches for peripheral vessel diagnosis dealing with stenosis and calcification detection are introduced. The paper presents an a...	false	false	[ "Armin Kanitsar", "Rainer Wegenkittl", "Petr Felkel", "Dominik Fleischmann", "Dominique Sandner", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,001	Connectivity shapes	10.1109/VISUAL.2001.964504	We describe a method to visualize the connectivity graph of a mesh using a natural embedding in 3D space. This uses a 3D shape representation that is based solely on mesh connectivity: the connectivity shape. Given a connectivity, we define its natural geometry as a smooth embedding in space with uniform edge lengths a...	false	false	[ "Martin Isenburg", "Stefan Gumhold", "Craig Gotsman" ]	[]	[]	[]
Vis	2,001	Continuous topology simplification of planar vector fields	10.1109/VISUAL.2001.964507	Vector fields can present complex structural behavior, especially in turbulent computational fluid dynamics. The topological analysis of these data sets reduces the information, but one is usually still left with too many details for interpretation. In this paper, we present a simplification approach that removes pairs...	false	false	[ "Xavier Tricoche", "Gerik Scheuermann", "Hans Hagen" ]	[]	[]	[]
Vis	2,001	Distance-field based skeletons for virtual navigation	10.1109/VISUAL.2001.964517	We present a generic method for rapid flight planning, virtual navigation and effective camera control in a volumetric environment. Directly derived from an accurate distance from boundary (DFB) field, our automatic path planning algorithm rapidly generates centered flight paths, a skeleton, in the navigable region of ...	false	false	[ "Ming Wan", "Frank Dachille", "Arie E. Kaufman" ]	[]	[]	[]
Vis	2,001	Dynamic Shadow Removal from Front Projection Displays	10.1109/VISUAL.2001.964509	Front-projection display environments suffer from a fundamental problem: users and other objects in the environment can easily and inadvertently block projectors, creating shadows on the displayed image. We introduce a technique that detects and corrects transient shadows in a multi-projector display. Our approach is t...	false	false	[ "Christopher O. Jaynes", "Stephen B. Webb", "R. Matt Steele", "Michael S. Brown", "W. Brent Seales" ]	[]	[]	[]
Vis	2,001	Efficient Adaptive Simplification of Massive Meshes	10.1109/VISUAL.2001.964503	The growing availability of massive polygonal models, and the inability of most existing visualization tools to work with such data, has created a pressing need for memory-efficient methods capable of simplifying very large meshes. In this paper, we present a method for performing adaptive simplification of polygonal m...	false	false	[ "Eric Shaffer", "Michael Garland" ]	[]	[]	[]
Vis	2,001	Enridged Contour Maps	10.1109/VISUAL.2001.964495	The visualization of scalar functions of two variables is a classic and ubiquitous application. We present a new method to visualize such data. The method is based on a nonlinear mapping of the function to a height field, followed by visualization as a shaded mountain landscape. The method is easy to implement and effi...	false	false	[ "Jarke J. van Wijk", "Alexandru C. Telea" ]	[]	[]	[]
Vis	2,001	EWA volume splatting	10.1109/VISUAL.2001.964490	In this paper we present a novel framework for direct volume rendering using a splatting approach based on elliptical Gaussian kernels. To avoid aliasing artifacts, we introduce the concept of a resampling filter combining a reconstruction with a low-pass kernel. Because of the similarity to Heckbert's EWA (elliptical ...	false	false	[ "Matthias Zwicker", "Hanspeter Pfister", "Jeroen van Baar", "Markus H. Gross" ]	[]	[]	[]
Vis	2,001	Fast detection of meaningful isosurfaces for volume data visualization	10.1109/VISUAL.2001.964515	Automatic detection of meaningful isosurfaces is important for producing informative visualizations of volume data, especially when no information about the data origin and imaging protocol is available. We propose a computationally efficient method for the automated detection of intensity transitions in volume data. I...	false	false	[ "Vladimir Pekar", "Rafael Wiemker", "Daniel Bystrov" ]	[]	[]	[]
Vis	2,001	Fast extraction of adaptive multiresolution meshes with guaranteed properties from volumetric data	10.1109/VISUAL.2001.964524	We present a new algorithm for extracting adaptive multiresolution triangle meshes from volume datasets. The algorithm guarantees that the topological genus of the generated mesh is the same as the genus of the surface embedded in the volume dataset at all levels of detail. In addition to this "hard constraint" on the ...	false	false	[ "Marcel Gavriliu", "Joel Carranza", "David E. Breen", "Alan H. Barr" ]	[]	[]	[]
Vis	2,001	Fitting Subdivision Surfaces	10.1109/VISUAL.2001.964527	We introduce a new algorithm for fitting a Catmull-Clark subdivision surface to a given shape within a prescribed tolerance, based on the method of quasi-interpolation. The fitting algorithm is fast, local and scales well since it does not require the solution of linear systems. Its convergence rate is optimal for regu...	false	false	[ "Nathan Litke", "Adi Levin", "Peter Schröder" ]	[]	[]	[]
Vis	2,001	Graphical strategies to convey functional relationships in the human brain: a case study	10.1109/VISUAL.2001.964556	Brain imaging methods used in experimental brain research such as Positron Emission Tomography (PET) and Functional Magnetic Resonance (fMRI) require the analysis of large amounts of data. Exploratory statistical methods can be used to generate new hypotheses and to provide a reliable measure of a given effect. Typical...	false	false	[ "Tomihisa Welsh", "Klaus Mueller 0001", "Wei Zhu 0008", "Nora D. Volkow", "Jeffrey Meade" ]	[]	[]	[]
Vis	2,001	Hardware-software-balanced resampling for the interactive visualization of unstructured grids	10.1109/VISUAL.2001.964512	In this paper we address the problem of interactively resampling unstructured grids. Three algorithms are presented. They all allow adaptive resampling of an unstructured grid on a multiresolution hierarchy of arbitrarily sized cartesian grids according to a varying element size. Two of the algorithms presented take ad...	false	false	[ "Manfred Weiler", "Thomas Ertl" ]	[]	[]	[]
Vis	2,001	Hybrid simplification: combining multi-resolution polygon and point rendering	10.1109/VISUAL.2001.964491	Multi-resolution hierarchies of polygons and more recently of points are familiar and useful tools for achieving interactive rendering rates. We present an algorithm for tightly integrating the two into a single hierarchical data structure. The trade-off between rendering portions of a model with points or with polygon...	false	false	[ "Jonathan D. Cohen 0001", "Daniel G. Aliaga", "Weiqiand Zhang" ]	[]	[]	[]
Vis	2,001	Integrating occlusion culling with view-dependent rendering	10.1109/VISUAL.2001.964534	We present an approach that integrates occlusion culling within the view-dependent rendering framework. View-dependent rendering provides the ability to change level of detail over the surface seamlessly and smoothly in real-time. The exclusive use of view-parameters to perform level-of-detail selection causes even occ...	false	false	[ "Jihad El-Sana", "Neta Sokolovsky", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,001	Interactive volume rendering using multi-dimensional transfer functions and direct manipulation widgets	10.1109/VISUAL.2001.964519	Most direct volume renderings produced today employ one-dimensional transfer functions, which assign color and opacity to the volume based solely on the single scalar quantity which comprises the dataset. Though they have not received widespread attention, multi-dimensional transfer functions are a very effective way t...	false	false	[ "Joe Michael Kniss", "Gordon L. Kindlmann", "Charles D. Hansen" ]	[ "BP" ]	[]	[]
Vis	2,001	Lagrangian-Eulerian Advection for Unsteady Flow Visualization	10.1109/VISUAL.2001.964493	In this paper, we propose a new technique to visualize dense representations of time-dependent vector fields based on a Lagrangian-Eulerian Advection (LEA) scheme. The algorithm produces animations with high spatio-temporal correlation at interactive rates. With this technique, every still frame depicts the instantaneo...	false	false	[ "Bruno Jobard", "Gordon Erlebacher", "M. Yousuff Hussaini" ]	[]	[]	[]
Vis	2,001	Multiresolution feature extraction for unstructured meshes	10.1109/VISUAL.2001.964523	We present a framework to extract mesh features from unstructured two-manifold surfaces. Our method computes a collection of piecewise linear curves describing the salient features of surfaces, such as edges and ridge lines. We extend these basic techniques to a multiresolution setting which improves the quality of the...	false	false	[ "Andreas Hubeli", "Markus H. Gross" ]	[]	[]	[]
Vis	2,001	Nonlinear virtual colon unfolding	10.1109/VISUAL.2001.964540	The majority of virtual endoscopy techniques tries to simulate a real endoscopy. A real endoscopy does not always give the optimal information due to the physical limitations it is subject to. In this paper, we deal with the unfolding of the surface of the colon as a possible visualization technique for diagnosis and p...	false	false	[ "Anna Vilanova", "Rainer Wegenkittl", "Andreas König 0002", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,001	Nonmanifold subdivision	10.1109/VISUAL.2001.964528	Commonly-used subdivision schemes require manifold control meshes and produce manifold surfaces. However, it is often necessary to model nonmanifold surfaces, such as several surface patches meeting at a common boundary. In this paper, we describe a subdivision algorithm that makes it possible to model nonmanifold surf...	false	false	[ "Lexing Ying", "Denis Zorin" ]	[]	[]	[]
Vis	2,001	Normal bounds for subdivision-surface interference detection	10.1109/VISUAL.2001.964529	Subdivision surfaces are an attractive representation when modeling arbitrary-topology free-form surfaces and show great promise for applications in engineering design and computer animation. Interference detection is a critical tool in many of these applications. In this paper, we derive normal bounds for subdivision ...	false	false	[ "Eitan Grinspun", "Peter Schröder" ]	[]	[]	[]
Vis	2,001	Optimal regular volume sampling	10.1109/VISUAL.2001.964498	The classification of volumetric data sets as well as their rendering algorithms are typically based on the representation of the underlying grid. Grid structures based on a Cartesian lattice are the de-facto standard for regular representations of volumetric data. In this paper we introduce a more general concept of r...	false	false	[ "Thomas Theußl", "Torsten Möller", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,001	PingTV: A Case Study in Visual Network Monitoring	10.1109/VISUAL.2001.964541	PingTV generates a logical map of a network that is used as an overlay on a physical geographical image of the location from the user perspective (buildings, floors within buildings, etc.). PingTV is used at Illinois State University as a visualization tool to communicate real-time network conditions to the university ...	false	false	[ "Alexander Gubin", "William Yurcik", "Larry Brumbaugh" ]	[]	[]	[]
Vis	2,001	PixelFlex: a reconfigurable multi-projector display system	10.1109/VISUAL.2001.964508	This paper presents PixelFlex - a spatially reconfigurable multi-projector display system. The PixelFlex system is composed of ceiling-mounted projectors, each with computer-controlled pan, tilt, zoom and focus; and a camera for closed-loop calibration. Working collectively, these controllable projectors function as a ...	false	false	[ "Ruigang Yang", "David Gotz", "Justin Hensley", "Herman Towles", "Michael S. Brown" ]	[]	[]	[]
Vis	2,001	Point set surfaces	10.1109/VISUAL.2001.964489	We advocate the use of point sets to represent shapes. We provide a definition of a smooth manifold surface from a set of points close to the original surface. The definition is based on local maps from differential geometry, which are approximated by the method of moving least squares (MLS). We present tools to increa...	false	false	[ "Marc Alexa", "Johannes Behr", "Daniel Cohen-Or", "Shachar Fleishman", "David Levin", "Cláudio T. Silva" ]	[]	[]	[]
Vis	2,001	POP: A Hybrid Point and Polygon Rendering System for Large Data	10.1109/VISUAL.2001.964492	We introduce a simple but effective extension to the existing pure point rendering systems. Rather than using only points, we use both points and polygons to represent and render large mesh models. We start from triangles as leaf nodes and build up a hierarchical tree structure with intermediate nodes as points. During...	false	false	[ "Baoquan Chen", "Minh Xuan Nguye" ]	[]	[]	[]
Vis	2,001	Quantitative comparative evaluation of 2D vector field visualization methods	10.1109/VISUAL.2001.964505	Presents results from a user study that compared six visualization methods for 2D vector data. Two methods used different distributions of short arrows, two used different distributions of integral curves, one used wedges located to suggest flow lines, and the final one was line-integral convolution (LIC). We defined t...	false	false	[ "David H. Laidlaw", "Robert M. Kirby", "J. Scott Davidson", "Timothy S. Miller", "Marco da Silva", "William H. Warren", "Michael J. Tarr" ]	[]	[]	[]
Vis	2,001	Real-time decompression and visualization of animated volume data	10.1109/VISUAL.2001.964531	Interactive exploration of animated volume data is required by many application, but the huge amount of computational time and storage space needed for rendering does not yet allow the visualization of animated volumes. In this paper, we introduce an algorithm running at interactive frame rates using 3D wavelet transfo...	false	false	[ "Stefan Guthe", "Wolfgang Straßer" ]	[]	[]	[]
Vis	2,001	RTVR-a flexible Java library for interactive volume rendering	10.1109/VISUAL.2001.964522	This paper presents several distinguishing design features of RTVR-a Java-based library for real-time volume rendering. We describe, how the careful design of data structures, which in our case are based on voxel enumeration, and an intelligent use of lookup tables enable interactive volume rendering even on low-end PC...	false	false	[ "Lukas Mroz", "Helwig Hauser" ]	[]	[]	[]
Vis	2,001	Salient iso-surface detection with model-independent statistical signatures	10.1109/VISUAL.2001.964516	Volume graphics has not been accepted for widespread use. One of the inhibiting reasons is the lack of general methods for data-analysis and simple interfaces for data exploration. An error-and-trial iterative procedure is often used to select a desirable transfer function or mine the dataset for salient iso-values. Ne...	false	false	[ "Shivaraj Tenginakai", "Jinho Lee", "Raghu Machiraju" ]	[]	[]	[]
Vis	2,001	Semi-immersive space mission design and visualization: case study of the "Terrestrial Planet Finder" mission	10.1109/VISUAL.2001.964562	The paper addresses visualization issues of the Terrestrial Planet Finder Mission (C.A. Beichman et al., 1999). The goal of this mission is to search for chemical signatures of life in distant solar systems using five satellites flying in formation to simulate a large telescope. To design and visually verify such a del...	false	false	[ "Ken Museth", "Alan H. Barr", "Martin W. Lo" ]	[]	[]	[]
Vis	2,001	Simplicial subdivisions and sampling artifacts	10.1109/VISUAL.2001.964499	We review several schemes for dividing cubical cells into simplices (tetrahedra) in 3-D for interpolating from sampled data to R/sup 3/ or for computing isosurfaces by barycentric interpolation. We present test data that reveal the geometric artifacts that these subdivision schemes generate, and discuss how these artif...	false	false	[ "Hamish A. Carr", "Torsten Möller", "Jack Snoeyink" ]	[]	[]	[]
Vis	2,001	Smooth approximation and rendering of large scattered data sets	10.1109/VISUAL.2001.964530	Presents an efficient method to automatically compute a smooth approximation of large functional scattered data sets given over arbitrarily shaped planar domains. Our approach is based on the construction of a C/sup 1/-continuous bivariate cubic spline and our method offers optimal approximation order. Both local varia...	false	false	[ "Jörg Haber", "Frank Zeilfelder", "Oleg Davydov", "Hans-Peter Seidel" ]	[]	[]	[]
Vis	2,001	Surgical simulator for hysteroscopy: a case study of visualization in surgical training	10.1109/VISUAL.2001.964548	Computer-based surgical simulation promises to provide a broader scope of clinical training through the introduction of anatomic variation, simulation of untoward events, and collection of performance data. We present a haptically-enabled surgical simulator for the most common techniques in diagnostic and operative hys...	false	false	[ "Kevin Montgomery", "Wm. LeRoy Heinrichs", "Cynthia Bruyns", "Simon Wildermuth", "Christopher J. Hasser", "Stephanie Ozenne", "David Bailey" ]	[]	[]	[]
Vis	2,001	Texture Hardware Assisted Rendering of Time-Varying Volume Data	10.1109/VISUAL.2001.964520	In this paper we present a hardware-assisted rendering technique coupled with a compression scheme for the interactive visual exploration of time-varying scalar volume data. A palette-based decoding technique and an adaptive bit allocation scheme are developed to fully utilize the texturing capability of a commodity 3-...	false	false	[ "Eric B. Lum", "Kwan-Liu Ma", "John P. Clyne" ]	[]	[]	[]
Vis	2,001	The "Which Blair project": a quick visual method for evaluating perceptual color maps	10.1109/VISUAL.2001.964510	We have developed a fast, perceptual method for selecting color scales for data visualization that takes advantage of our sensitivity to luminance variations in human faces. To do so, we conducted experiments in which we mapped various color scales onto the intensity values of a digitized photograph of a face and asked...	false	false	[ "Bernice E. Rogowitz", "Alan D. Kalvin" ]	[]	[]	[]
Vis	2,001	The MetVR case study: meteorological visualization in an immersive virtual environment	10.1109/VISUAL.2001.964559	Traditional methods for displaying weather products are generally two-dimensional (2D) plots or just text format. It is hard for forecasters to get the entire picture of the atmosphere using these methods. The problems apparent in 2D with comparing and correlating multiple layers are overcome simply by adding a dimensi...	false	false	[ "Sean Ziegeler", "Robert J. Moorhead II", "Paul J. Croft", "Duanjun Lu" ]	[]	[]	[]
Vis	2,001	The perspective shear-warp algorithm in a virtual environment	10.1109/VISUAL.2001.964513	Since the original paper of Lacroute and Levoy (1994), where the shear-warp factorization was also shown for perspective projections, a lot of work has been carried out using the shear-warp factorization with parallel projections. However, none of it has proved or improved the algorithm for the perspective projection. ...	false	false	[ "Jürgen P. Schulze", "Roland Niemeier", "Ulrich Lang 0002" ]	[]	[]	[]
Vis	2,001	Transport and anisotropic diffusion in time-dependent flow visualization	10.1109/VISUAL.2001.964494	The visualization of time-dependent flow is an important and challenging topic in scientific visualization. Its aim is to represent transport phenomena governed by time-dependent vector fields in an intuitively understandable way, using images and animations. Here we pick up the recently presented anisotropic diffusion...	false	false	[ "David Bürkle", "Tobias Preußer", "Martin Rumpf" ]	[]	[]	[]
Vis	2,001	Undersampling and oversampling in sample based shape modeling	10.1109/VISUAL.2001.964497	Shape modeling is an integral part of many visualization problems. Recent advances in scanning technology and a number of surface reconstruction algorithms have opened up a new paradigm for modeling shapes from samples. Many of the problems currently faced in this modeling paradigm can be traced back to two anomalies i...	false	false	[ "Tamal K. Dey", "Joachim Giesen", "Samrat Goswami", "James Hudson", "Rephael Wenger", "Wulue Zhao" ]	[]	[]	[]
Vis	2,001	User-centric viewpoint computation for haptic exploration and manipulation	10.1109/VISUAL.2001.964526	We present several techniques for user-centric viewing of the virtual objects or datasets under haptic exploration and manipulation. Depending on the type of tasks performed by the user, our algorithms compute automatic placement of the user viewpoint to navigate through the scene, to display the near-optimal views, an...	false	false	[ "Miguel A. Otaduy", "Ming C. Lin" ]	[]	[]	[]
Vis	2,001	Variational classification for visualization of 3D ultrasound data	10.1109/VISUAL.2001.964539	We present a new technique for visualizing surfaces from 3D ultrasound data. 3D ultrasound datasets are typically fuzzy, contain a substantial amount of noise and speckle, and suffer from several other problems that make extraction of continuous and smooth surfaces extremely difficult. We propose a novel opacity classi...	false	false	[ "Raanan Fattal", "Dani Lischinski" ]	[]	[]	[]
Vis	2,001	Virtual Temporal Bone Dissection: A Case Study	10.1109/VISUAL.2001.964561	The Temporal Bone Dissection Simulator is an ongoing research project for the construction of a synthetic environment suitable for virtual dissection of human temporal bone and related anatomy. Funded by the National Institute on Deafness and Other Communication Disorders (NIDCD), the primary goal of this project is to...	false	false	[ "Jason Bryan", "Don Stredney", "Gregory J. Wiet", "Dennis Sessanna" ]	[]	[]	[]
Vis	2,001	Visualization and interaction techniques for the exploration of vascular structures	10.1109/VISUAL.2001.964538	We describe a pipeline of image processing steps for deriving symbolic models of vascular structures from radiological data which reflect the branching pattern and diameter of vessels. For the visualization of these symbolic models, concatenated truncated cones are smoothly blended at branching points. We put emphasis ...	false	false	[ "Horst K. Hahn", "Bernhard Preim", "Dirk Selle", "Heinz-Otto Peitgen" ]	[]	[]	[]
Vis	2,001	Visualization of large terrains made easy	10.1109/VISUAL.2001.964533	We present an elegant and simple to implement framework for performing out-of-core visualization and view-dependent refinement of large terrain surfaces. Contrary to the trend of increasingly elaborate algorithms for large-scale terrain visualization, our algorithms and data structures have been designed with the prima...	false	false	[ "Peter Lindstrom 0001", "Valerio Pascucci" ]	[]	[]	[]
Vis	2,001	Visualization of Sports using Motion Trajectories: Providing Insights into Performance, Style, and Strategy	10.1109/VISUAL.2001.964496	Remote experience of sporting events has thus far been limited mostly to watching video and the scores and statistics associated with the sport. However, a fast-developing trend is the use of visualization techniques to give new insights into performance, style, and strategy of the players. Automated techniques can ext...	false	false	[ "Gopal Sarma Pingali", "Agata Opalach", "Yves Jean", "Ingrid Carlbom" ]	[]	[]	[]
Vis	2,001	Visualizing 2D probability distributions from EOS satellite image-derived data sets: a case study	10.1109/VISUAL.2001.964550	Maps of biophysical and geophysical variables using Earth Observing System (EOS) satellite image data are an important component of Earth science. These maps have a single value derived at every grid cell and standard techniques are used to visualize them. Current tools fall short, however, when it is necessary to desc...	false	false	[ "David L. Kao", "Jennifer L. Dungan", "Alex T. Pang" ]	[]	[]	[]
Vis	2,001	Volume Rendering of Fine Details Within Medical Data	10.1109/VISUAL.2001.964537	Presents a method concerning the volume rendering of fine details, such as blood vessels and nerves, from medical data. The realistic and efficient visualization of such structures is often of great medical interest, and conventional rendering techniques do not always deal with them adequately. Our method uses preproce...	false	false	[ "Feng Dong 0005", "Gordon Clapworthy", "Mel Krokos" ]	[]	[]	[]
Vis	2,001	Wavelet representation of contour sets	10.1109/VISUAL.2001.964525	We present a new wavelet compression and multiresolution modeling approach for sets of contours (level sets). In contrast to previous wavelet schemes, our algorithm creates a parametrization of a scalar field induced by its contours and compactly stores this parametrization rather than function values sampled on a regu...	false	false	[ "Martin Hering-Bertram", "Daniel E. Laney", "Mark A. Duchaineau", "Charles D. Hansen", "Bernd Hamann", "Kenneth I. Joy" ]	[]	[]	[]
Vis	2,001	Wind Tunnel Data Fusion and Immersive Visualization: A Case Study	10.1109/VISUAL.2001.964563	This case study describes the process of fusing the data from several wind tunnel experiments into a single coherent visualization. Each experiment was conducted independently and was designed to explore different flow features around airplane landing gear. In the past, it would have been very difficult to correlate re...	false	false	[ "Kurt Severance", "Paul Brewster", "Barry Lazos", "Daniel F. Keefe" ]	[]	[]	[]
InfoVis	2,001	2D vs 3D, implications on spatial memory	10.1109/INFVIS.2001.963291	Since the introduction of graphical user interfaces (GUI) and two-dimensional (2D) displays, the concept of space has entered the information technology (IT) domain. Interactions with computers were re-encoded in terms of fidelity to the interactions with real environment and consequently in terms of fitness to cogniti...	false	false	[ "Monica Tavanti", "Mats Lind" ]	[]	[]	[]
InfoVis	2,001	A comparison of 2-D visualizations of hierarchies	10.1109/INFVIS.2001.963290	This paper describes two experiments that compare four two-dimensional visualizations of hierarchies: organization chart, icicle plot, treemap, and tree ring. The visualizations are evaluated in the context of decision tree analyses prevalent in data mining applications. The results suggest that either the tree ring or...	false	false	[ "S. Todd Barlow", "Padraic Neville" ]	[]	[]	[]
InfoVis	2,001	An empirical comparison of three commercial information visualization systems	10.1109/INFVIS.2001.963289	An empirical comparison of three commercial information visualization systems on three different databases is presented. The systems use different paradigms for visualizing data. Tasks were selected to be "ecologically relevant", i.e. meaningful and interesting in the respec- tive domains. Users of one system turned ou...	false	false	[ "Alfred Kobsa" ]	[]	[]	[]
InfoVis	2,001	Animated exploration of dynamic graphs with radial layout	10.1109/INFVIS.2001.963279	We describe a new animation technique for supporting interactive exploration of a graph. We use the well-known radial tree layout method, in which the view is determined by the selection of a focus node. Our main contribution is a method for animating the transition to a new layout when a new focus node is selected. In...	false	false	[ "Ka-Ping Yee", "Danyel Fisher", "Rachna Dhamija", "Marti A. Hearst" ]	[]	[]	[]
InfoVis	2,001	Botanical visualization of huge hierarchies	10.1109/INFVIS.2001.963285	A new method for the visualization of huge hierarchical data structures is presented. The method is based on the observation that we can easily see the branches, leaves and their arrangement in a botanical tree, despite of the large number of elements. The strand model of Holton is used to convert an abstract tree into...	false	false	[ "Ernst Kleiberg", "Huub van de Wetering", "Jarke J. van Wijk" ]	[]	[]	[]
InfoVis	2,001	Case study: design and assessment of an enhanced geographic information system for exploration of multivariate health statistics	10.1109/INFVIS.2001.963294	An implementation of an interactive parallel coordinate plot linked with the ArcView(r) geographic information system (GIS) is presented. The integrated geographic visualization system was created for the exploratory analysis of mortality data from specific cancers as they relate, specifically spatially, to other morta...	false	false	[ "Robert M. Edsall", "Alan M. MacEachren", "Linda Pickle" ]	[]	[]	[]
InfoVis	2,001	Case study: e-commerce clickstream visualization	10.1109/INFVIS.2001.963293	We have developed an interactive, scalable visualization tool for analyzing the behavior of users of a web site. Our system not only shows site topology and traffic flow, but by segmenting site traffic data based on user attributes, including demographic data and purchase history, we can present a more complete picture...	false	false	[ "Jeffrey Brainerd", "Barry G. Becker" ]	[]	[]	[]
InfoVis	2,001	Case study: visualization for decision tree analysis in data mining	10.1109/INFVIS.2001.963292	Decision trees are one of the most popular methods of data mining. Decision trees partition large amounts of data into smaller segments by applying a series of rules. Creating and evaluating decision trees benefits greatly from visualization of the trees and diagnostic measures of their effectiveness. This paper descri...	false	false	[ "S. Todd Barlow", "Padraic Neville" ]	[]	[]	[]

Subsets and Splits

No community queries yet

The top public SQL queries from the community will appear here once available.