Split (1)

train · 6.25k 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 29	Award listlengths 0 2	Resources listlengths 0 5	ResourceLinks listlengths 0 10
Vis	2,004	Efficient point-based isosurface exploration using the span-triangle	10.1109/VISUAL.2004.29	We introduce a novel span-triangle data structure, based on the span-space representation for isosurfaces. It stores all necessary cell information for dynamic manipulation of the isovalue in an efficient way. We have found that using our data structure in combination with point-based techniques, implemented on graphic...	false	false	[ "Bartosz von Rymon-Lipinski", "Nils Hanssen", "Thomas Jansen 0005", "Lutz Ritter", "Erwin Keeve" ]	[]	[]	[]
Vis	2,004	Exploration of the brain's white matter pathways with dynamic queries	10.1109/VISUAL.2004.30	Diffusion tensor imaging (DTI) is a magnetic resonance imaging method that can be used to measure local information about the structure of white matter within the human brain. Combining DTI data with the computational methods of MR tractography, neuroscientists can estimate the locations and sizes of nerve bundles (whi...	false	false	[ "David Akers", "Anthony J. Sherbondy", "Rachel Mackenzie", "Robert F. Dougherty", "Brian A. Wandell" ]	[]	[]	[]
Vis	2,004	Fast Rendering of Foveated Volume in the Wavelet Domain	10.1109/VISUAL.2004.31	A design issue in remote visualization is on the mapping of the viewer’s intention to the relevant data to be sent. One possible approach is to let the viewer interactively indicate the region of interests (ROI), and objects in the ROI will have higher priority during transmission. For media objects like images and vid...	false	false	[ "Hang Yu", "Ee-Chien Chang", "Zhiyong Huang", "Zhijian Zheng" ]	[]	[]	[]
Vis	2,004	Flow field clustering via algebraic multigrid	10.1109/VISUAL.2004.32	We present a novel multiscale approach for flow visualization. We define a local alignment tensor that encodes a measure for alignment to the direction of a given flow field. This tensor induces an anisotropic differential operator on the flow domain, which is discretized with a standard finite element technique. The e...	false	false	[ "Michael Griebel", "Tobias Preußer", "Martin Rumpf", "Marc Alexander Schweitzer", "Alexandru C. Telea" ]	[]	[]	[]
Vis	2,004	Force-Feedback-Enhanced Navigation for Interactive Visualization of Coronary Vessels	10.1109/VISUAL.2004.33	Coronary heart disease (CHD) is the number one killer in the United States. Although it is well known that CHD mainly occurs due to blocked arteries, there are contradictory results from studies designed to identify basic causes for this common disease is. To find out more about the true reason for CHD, virtual models ...	false	false	[ "Thomas Wischgoll", "Elke Moritz", "Jörg Meyer 0002" ]	[]	[]	[]
Vis	2,004	Generating realistic images from hydrothermal plume data	10.1109/VISUAL.2004.34	Most data used in the study of seafloor hydrothermal plumes consists of sonar (acoustic) scans and sensor readings. Visual data captures only a portion of the sonar data range due to the prohibitive cost and physical infeasibility of taking sufficient lighting and video equipment to such extreme depths. However, visual...	false	false	[ "Kristina Santilli", "Karen G. Bemis", "Deborah Silver", "Jamshed Dastur", "Peter A. Rona" ]	[]	[]	[]
Vis	2,004	Generating sub-resolution detail in images and volumes using constrained texture synthesis	10.1109/VISUAL.2004.35	A common deficiency of discretized datasets is that detail beyond the resolution of the dataset has been irrecoverably lost. This lack of detail becomes immediately apparent once one attempts to zoom into the dataset and only recovers blur. We describe a method that generates the missing detail from any available and p...	false	false	[ "Lujin Wang", "Klaus Mueller 0001" ]	[]	[]	[]
Vis	2,004	Guaranteed quality triangulation of molecular skin surfaces	10.1109/VISUAL.2004.36	We present an efficient algorithm to mesh the macromolecules surface model represented by the skin surface defined by Edelsbrunner. Our algorithm overcomes several challenges residing in current surface meshing methods. First, we guarantee the mesh quality with a provable lower bound of 21/spl deg/ on its minimum angle...	false	false	[ "Ho-Lun Cheng", "Xinwei Shi" ]	[]	[]	[]
Vis	2,004	Haptic display of interaction between textured models	10.1109/VISUAL.2004.37	Surface texture is among the most salient haptic characteristics of objects; it can induce vibratory contact forces that lead to perception of roughness. We present a new algorithm to display haptic texture information resulting from the interaction between two textured objects. We compute contact forces and torques us...	false	false	[ "Miguel A. Otaduy", "Nitin Jain", "Avneesh Sud", "Ming C. Lin" ]	[]	[]	[]
Vis	2,004	Hardware-accelerated adaptive EWA volume splatting	10.1109/VISUAL.2004.38	We present a hardware-accelerated adaptive EWA (elliptical weighted average) volume splatting algorithm. EWA splatting combines a Gaussian reconstruction kernel with a low-pass image filter for high image quality without aliasing artifacts or excessive blurring. We introduce a novel adaptive filtering scheme to reduce ...	false	false	[ "Wei Chen 0001", "Ren Liu", "Matthias Zwicker", "Hanspeter Pfister" ]	[]	[]	[]
Vis	2,004	Hierarchy Based 3D Visualization of Large Software Structures	10.1109/VISUAL.2004.39	Modern object-oriented programs are hierarchical systems with many thousands of interrelated subsystems. Visualization helps developers to better comprehend these large and complex systems. This work presents a three-dimensional visualization technique that represents the static structure of object-oriented software us...	false	false	[ "Michael Balzer", "Oliver Deussen" ]	[]	[]	[]
Vis	2,004	ImageSurfer: a tool for visualizing correlations between two volume scalar fields	10.1109/VISUAL.2004.46	ImageSurfer is a tool designed to explore correlations between two 3D scalar fields. Our scientific goal was to determine where a protein is located, and how much its concentration varies along the membrane of a neuronal dendrite. The 3D scalar field data sets fall into two categories: dendritic plasma membranes (defin...	false	false	[ "Dennis Jen", "Peter Parente", "Jonathan Robbins", "Chris Weigle", "Russell M. Taylor II", "Alain Burette", "Richard Weinberg" ]	[]	[]	[]
Vis	2,004	Immersive design of DNA molecules with a tangible interface	10.1109/VISUAL.2004.47	This work presents an experimental immersive interface for designing DNA components for application in nanotechnology. While much research has been done on immersive visualization, this is one of the first systems to apply advanced interface techniques to a scientific design problem. This system uses tangible 3D input ...	false	false	[ "Steven Schkolne", "Hiroshi Ishii 0001", "Peter Schröder" ]	[]	[]	[]
Vis	2,004	Importance-driven volume rendering	10.1109/VISUAL.2004.48	This work introduces importance-driven volume rendering as a novel technique for automatic focus and context display of volumetric data. Our technique is a generalization of cut-away views, which - depending on the viewpoint - remove or suppress less important parts of a scene to reveal more important underlying inform...	false	false	[ "Ivan Viola", "Armin Kanitsar", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,004	Interactive design of multi-perspective images for visualizing urban landscapes	10.1109/VISUAL.2004.50	Multiperspective images are a useful way to visualize extended, roughly planar scenes such as landscapes or city blocks. However, constructing effective multiperspective images is something of an art. We describe an interactive system for creating multiperspective images composed of serially blended cross-slits images....	false	false	[ "Augusto Román", "Gaurav Garg", "Marc Levoy" ]	[]	[]	[]
Vis	2,004	Interactive exploration of large remote micro-CT scans	10.1109/VISUAL.2004.51	Datasets of tens of gigabytes are becoming common in computational and experimental science. This development is driven by advances in imaging technology, producing detectors with growing resolutions, as well as availability of cheap processing power and memory capacity in commodity-based computing clusters. We describ...	false	false	[ "Steffen Prohaska", "Andrei Hutanu", "Ralf Kähler", "Hans-Christian Hege" ]	[]	[]	[]
Vis	2,004	Interactive point-based isosurface extraction	10.1109/VISUAL.2004.52	We propose a novel point-based approach to view dependent isosurface extraction. We introduce a fast visibility query system for the view dependent traversal, which exhibits moderate memory requirements. This technique allows for an interactive interrogation of the full visible woman dataset (1GB) at four to fifteen fr...	false	false	[ "Yarden Livnat", "Xavier Tricoche" ]	[]	[]	[]
Vis	2,004	Interactive Poster: Grid-Enabled Collaborative Scientific Visualization Environment	10.1109/VISUAL.2004.53	At its core, the grid is concerned with distributed computing and resource management. In essence, the grid is the federation and virtualization of computing resources to accelerate application processing [Unger-Haynos]. As described by Foster et al, grid computing focuses on large-scale resource sharing between dynami...	false	false	[ "Eric Christopher Wyatt", "Patrick O'Leary" ]	[]	[]	[]
Vis	2,004	Interactive Poster: Illustrating Different Convection Velocities of Turbulent Flow	10.1109/VISUAL.2004.54	The visualization of any vector field is dependent on the relative velocity of the observer. In experimentally generated vector fields, the average value of the streamwise component of the global vector field is typically calculated and subtracted from each vector. We demonstrate that the resulting image, critical poin...	false	false	[ "Timothy Urness", "Victoria Interrante", "Ellen Longmire", "Ivan Marusic", "Bharathram Ganapathisubramani" ]	[]	[]	[]
Vis	2,004	Interactive terascale particle visualization	10.1109/VISUAL.2004.55	This work describes the methods used to produce an interactive visualization of a 2 TB computational fluid dynamics (CFD) data set using particle tracing (streaklines). We use the method introduced by Bruckschen el al. (2001) that precomputes a large number of particles, stores them on disk using a space-filling curve ...	false	false	[ "David Ellsworth", "Bryan Green", "Patrick J. Moran" ]	[]	[]	[]
Vis	2,004	Interactive thickness visualization of articular cartilage	10.1109/VISUAL.2004.56	This work describes a method to visualize the thickness of curved thin objects. Given the MRI volume data of articular cartilage, medical doctors investigate pathological changes of the thickness. Since the tissue is very thin, it is impossible to reliably map the thickness information by direct volume rendering. Our i...	false	false	[ "Matej Mlejnek", "Anna Vilanova", "M. Eduard Gröller" ]	[]	[]	[]
Vis	2,004	Introducing Topological Attributes for Objective-Based Visualization	10.1109/VISUAL.2004.57	Direct volume rendering is a standard technique for projecting all the optically-encoded samples onto the screen at once to allow us to peer into the inner structures involved in a volume data. Datacentric approaches to the design of transfer functions (TFs) have recently been well-established, which perform mathematic...	false	false	[ "Yuriko Takeshima", "Shigeo Takahashi", "Issei Fujishiro", "Gregory M. Nielson" ]	[]	[]	[]
Vis	2,004	Intuitive and interactive modification of large finite element models	10.1109/VISUAL.2004.58	Virtual prototyping is increasingly replacing real mock-ups and experiments in industrial product development. Part of this process is the simulation of structural and functional properties, which is in many cases based on finite element analysis (FEA). One prominent example from the automotive industry is the safety i...	false	false	[ "Dirc Rose", "Katrin Bidmon", "Thomas Ertl" ]	[]	[]	[]
Vis	2,004	Investigating swirl and tumble flow with a comparison of visualization techniques	10.1109/VISUAL.2004.59	We investigate two important, common fluid flow patterns from computational fluid dynamics (CFD) simulations, namely, swirl and tumble motion typical of automotive engines. We study and visualize swirl and tumble flow using three different flow visualization techniques: direct, geometric, and texture-based. When illust...	false	false	[ "Robert S. Laramee", "Daniel Weiskopf", "Jürgen Schneider", "Helwig Hauser" ]	[]	[]	[]
Vis	2,004	JointViewer - An Interactive System for Exploring Orthopedic Data	10.1109/VISUAL.2004.60	We present JointViewer, a software tool to aid orthopedics researchers in exploring complex, in-vivo joint kinematics. Given bone-geometry data and bone-motion information, JointViewer models and visualizes bone inter-spacing in the joint. Next, it proposes and displays plausible ligament paths which connect bones toge...	false	false	[ "G. Elisabeta Marai", "Çagatay Demiralp", "Stuart Andrews", "David H. Laidlaw" ]	[]	[]	[]
Vis	2,004	Light Collages: lighting design for effective visualization	10.1109/VISUAL.2004.62	We introduce Light Collages - a lighting design system for effective visualization based on principles of human perception. Artists and illustrators enhance perception of features with lighting that is locally consistent and globally inconsistent. Inspired by these techniques, we design the placement of light sources t...	false	false	[ "Chang Ha Lee", "Xuejun Hao", "Amitabh Varshney" ]	[]	[]	[]
Vis	2,004	Light weight space leaping using ray coherence	10.1109/VISUAL.2004.63	We present a space leaping technique for accelerating volume rendering with very low space and run-time complexity. Our technique exploits the ray coherence during ray casting by using the distance a ray traverses in empty space to leap its neighboring rays. Our technique works with parallel as well as perspective volu...	false	false	[ "Sarang Lakare", "Arie E. Kaufman" ]	[]	[]	[]
Vis	2,004	Lighting transfer functions using gradient aligned sampling	10.1109/VISUAL.2004.64	An important task in volume rendering is the visualization of boundaries between materials. This is typically accomplished using transfer functions that increase opacity based on a voxel's value and gradient. Lighting also plays a crucial role in illustrating surfaces. In this paper we present a multi-dimensional trans...	false	false	[ "Eric B. Lum", "Kwan-Liu Ma" ]	[]	[]	[]
Vis	2,004	Linear and cubic box splines for the body centered cubic lattice	10.1109/VISUAL.2004.65	We derive piecewise linear and piecewise cubic box spline reconstruction filters for data sampled on the body centered cubic (BCC) lattice. We analytically derive a time domain representation of these reconstruction filters and using the Fourier slice-projection theorem we derive their frequency responses. The quality ...	false	false	[ "Alireza Entezari", "Ramsay Dyer", "Torsten Möller" ]	[]	[]	[]
Vis	2,004	Linking Representation with Meaning	10.1109/VISUAL.2004.66	The purpose of visualization is not just to depict data, but to gain or present insight into the domain represented in data. However in visualization systems, this link between features in the data and the meaning of those features is often missing or implicit. It is assumed that the user, through looking at the output...	false	false	[ "David J. Duke" ]	[]	[]	[]
Vis	2,004	Live Range Visibility Constraints for Adaptive Terrain Visualization	10.1109/VISUAL.2004.67	Although there is a remarkable pace in the advance of computational resources and storage for real-time visualization the immensity of the input data continues to outstrip any advances. The task for interactively visualizing such a massive terrain is to render a triangulated mesh using a view-dependent error tolerance,...	false	false	[ "Xiaohong Bao", "Renato Pajarola", "Michael Shafae" ]	[]	[]	[]
Vis	2,004	Local and global comparison of continuous functions	10.1109/VISUAL.2004.68	We introduce local and global comparison measures for a collection of k /spl les/ d real-valued smooth functions on a common d-dimensional Riemannian manifold. For k = d = 2 we relate the measures to the set of critical points of one function restricted to the level sets of the other. The definition of the measures ext...	false	false	[ "Herbert Edelsbrunner", "John Harer", "Vijay Natarajan", "Valerio Pascucci" ]	[]	[]	[]
Vis	2,004	LoD volume rendering of FEA data	10.1109/VISUAL.2004.69	A new multiple resolution volume rendering method for finite element analysis (FEA) data is presented. Our method is composed of three stages: in the first stage, the Gauss points of the FEA cells are calculated. The function values, gradients, diffusions, and influence scopes of the Gauss points are computed. By repre...	false	false	[ "Shyh-Kuang Ueng", "Yan-Jen Su", "Chi-Tang Chang" ]	[]	[]	[]
Vis	2,004	Methods for efficient, high quality volume resampling in the frequency domain	10.1109/VISUAL.2004.70	Resampling is a frequent task in visualization and medical imaging. It occurs whenever images or volumes are magnified, rotated, translated, or warped. Resampling is also an integral procedure in the registration of multimodal datasets, such as CT, PET, and MRI, in the correction of motion artifacts in MRI, and in the ...	false	false	[ "Aili Li", "Klaus Mueller 0001", "Thomas Ernst 0001" ]	[]	[]	[]
Vis	2,004	Modeling Decomposing Objects under Combustion	10.1109/VISUAL.2004.71	We present a simple yet effective method for modeling of object decomposition under combustion. A separate simulation models the flame production and generates heat from a combustion process, which is used to trigger pyrolysis of the solid object. The decomposition is modeled using level set methods, and can handle com...	false	false	[ "Zeki Melek", "John Keyser" ]	[]	[]	[]
Vis	2,004	Non-linear model fitting to parameterize diseased blood vessels	10.1109/VISUAL.2004.72	Accurate estimation of vessel parameters is a prerequisite for automated visualization and analysis of healthy and diseased blood vessels. The objective of this research is to estimate the dimensions of lower extremity arteries, imaged by computed tomography (CT). These parameters are required to get a good quality vis...	false	false	[ "Alexandra La Cruz", "Matús Straka", "Arnold Köchl", "Milos Srámek", "M. Eduard Gröller", "Dominik Fleischmann" ]	[]	[]	[]
Vis	2,004	On the role of color in the perception of motion in animated visualizations	10.1109/VISUAL.2004.73	Although luminance contrast plays a predominant role in motion perception, significant additional effects are introduced by chromatic contrasts. In this paper, relevant results from psychophysical and physiological research are described to clarify the role of color in motion detection. Interpreting these psychophysica...	false	false	[ "Daniel Weiskopf" ]	[]	[]	[]
Vis	2,004	On the Visualization of Time-Varying Structured Grids Using a 3D Warp Texture	10.1109/VISUAL.2004.74	We present a novel scheme to interactively visualize time-varying scalar fields defined on a structured grid. The underlying approach is to maximize the use of current graphics hardware by using 3D texture mapping. This approach commonly suffers from an expensive voxelization of each time-step as well as from large siz...	false	false	[ "Yuan Chen", "Jonathan D. Cohen 0001", "Subodh Kumar 0001" ]	[]	[]	[]
Vis	2,004	Optimal global conformal surface parameterization	10.1109/VISUAL.2004.75	All orientable metric surfaces are Riemann surfaces and admit global conformal parameterizations. Riemann surface structure is a fundamental structure and governs many natural physical phenomena, such as heat diffusion and electro-magnetic fields on the surface. A good parameterization is crucial for simulation and vis...	false	false	[ "Miao Jin", "Yalin Wang 0001", "Shing-Tung Yau", "Xianfeng Gu" ]	[]	[]	[]
Vis	2,004	Panel 1: Can We Determine the Top Unresolved Problems of Visualization?	10.1109/VISUAL.2004.76	Many of us working in visualization have our own list of our top 5 or 10 unresolved problems in visualization. We have assembled a group of panelists to debate and perhaps reach concensus on the top problems in visualization that still need to be explored. We include panelists from both the information and scientific v...	false	false	[ "Theresa-Marie Rhyne", "Bill Hibbard", "Christopher R. Johnson 0001", "Chaomei Chen", "Steve Eick" ]	[]	[]	[]
Vis	2,004	Panel 2: In the Eye of the Beholder: The Role of Perception in Scientific Visualization	10.1109/VISUAL.2004.77	The evolution of computational science over the last decade has resulted in a dramatic increase in raw problem solving capabilities. This growth has given rise to advances in scientific and engineering simulations that have put a high demand on tools for high-performance large-scale data exploration and analysis. These...	false	false	[ "Kelly P. Gaither", "David S. Ebert", "Bill Geisler", "David H. Laidlaw" ]	[]	[]	[]
Vis	2,004	Panel 3: The Future Visualization Platform	10.1109/VISUAL.2004.78	Advances in graphics hardware and rendering methods are shaping the future of visualization. For example, programmable graphics processors are redefining the traditional visualization cycle. In some cases it is now possible to run the computational simulation and associated visualization side-by-side on the same chip. ...	false	false	[ "Greg Johnson", "David S. Ebert", "Charles D. Hansen", "David Blair Kirk", "Bill Mark", "Hanspeter Pfister" ]	[]	[]	[]
Vis	2,004	Panel 4: What Should We Teach in a Scientific Visualization Class?	10.1109/VISUAL.2004.79	Scientific Visualization (SciVis) has evolved past the point where one undergraduate course can cover all of the necessary topics. So the question becomes "how do we teach SciVis to this generation of students?" Some examples of current courses are: A graduate Computer Science (CS) course that prepares the next generat...	false	false	[ "Jon D. Genetti", "Michael J. Bailey", "David H. Laidlaw", "Robert J. Moorhead II", "Ross T. Whitaker" ]	[]	[]	[]
Vis	2,004	Physically based methods for tensor field visualization	10.1109/VISUAL.2004.80	The physical interpretation of mathematical features of tensor fields is highly application-specific. Existing visualization methods for tensor fields only cover a fraction of the broad application areas. We present a visualization method tailored specifically to the class of tensor field exhibiting properties similar ...	false	false	[ "Ingrid Hotz", "Louis Feng", "Hans Hagen", "Bernd Hamann", "Kenneth I. Joy", "Boris Jeremic" ]	[]	[]	[]
Vis	2,004	Pixel-exact rendering of spacetime finite element solutions	10.1109/VISUAL.2004.81	Computational simulation of time-varying physical processes is of fundamental importance for many scientific and engineering applications. Most frequently, time-varying simulations are performed over multiple spatial grids at discrete points in time. We investigate a new approach to time-varying simulation: spacetime d...	false	false	[ "Yuan Zhou", "Michael Garland", "Robert B. Haber" ]	[]	[]	[]
Vis	2,004	PQuad: visualization of predicted peptides and proteins	10.1109/VISUAL.2004.82	New high-throughput proteomic techniques generate data faster than biologists can analyze it. Hidden within this massive and complex data are answers to basic questions about how cells function. The data afford an opportunity to take a global or systems approach studying whole proteomes comprising all the proteins in a...	false	false	[ "Susan L. Havre", "Mudita Singhal", "Deborah A. Payne", "Bobbie-Jo M. Webb-Robertson" ]	[]	[]	[]
Vis	2,004	Projecting tetrahedra without rendering artifacts	10.1109/VISUAL.2004.85	Hardware-accelerated direct volume rendering of unstructured volumetric meshes is often based on tetrahedral cell projection, in particular, the projected tetrahedra (PT) algorithm and its variants. Unfortunately, even implementations of the most advanced variants of the PT algorithm are very prone to rendering artifac...	false	false	[ "Martin Kraus", "Wei Qiao", "David S. Ebert" ]	[]	[]	[]
Vis	2,004	Quick-VDR: interactive view-dependent rendering of massive models	10.1109/VISUAL.2004.86	We present a novel approach for interactive view-dependent rendering of massive models. Our algorithm combines view-dependent simplification, occlusion culling, and out-of-core rendering. We represent the model as a clustered hierarchy of progressive meshes (CHPM). We use the cluster hierarchy for coarse-grained select...	false	false	[ "Sung-Eui Yoon", "Brian Salomon", "Russell Gayle", "Dinesh Manocha" ]	[]	[]	[]
Vis	2,004	Radial hermite operators for scattered point cloud data with normal vectors and applications to implicitizing polygon mesh surfaces for generalized CSG operations and smoothing	10.1109/VISUAL.2004.87	We describe a new technique for fitting scattered point cloud data. Given a scattered point cloud of 3D data points and associated normal vectors, our new method produces an implicit volume model whose zero level isosurface interpolates the given points and associated normal vectors. We concentrate on certain applicati...	false	false	[ "Gregory M. Nielson" ]	[]	[]	[]
Vis	2,004	Real-time motion estimation and visualization on graphics cards	10.1109/VISUAL.2004.88	We present a tool for real-time visualization of motion features in 2D image sequences. The motion is estimated through an eigenvector analysis of the spatio-temporal structure tensor at every pixel location. This approach is computationally demanding but allows reliable velocity estimates as well as quality indicators...	false	false	[ "Robert Strzodka", "Christoph S. Garbe" ]	[]	[]	[]
Vis	2,004	Real-Time Volume Rendering of Four Channel Data Sets	10.1109/VISUAL.2004.89	We present a novel method to encode four data channels in a volumetric data set, and render it at interactive frame rates with maximum intensity projection (MIP) using textured polygons. The first three channels are stored in the volume texture’s red, green, and blue components. The fourth channel is stored in the alph...	false	false	[ "Jürgen P. Schulze", "Alexander Rice" ]	[]	[]	[]
Vis	2,004	Rendering implicit flow volumes	10.1109/VISUAL.2004.90	Traditional flow volumes construct an explicit geometrical or parametrical representation from the vector field. The geometry is updated interactively and then rendered using an unstructured volume rendering technique. Unless a detailed refinement of the flow volume is specified for the interior, information inside the...	false	false	[ "Daqing Xue", "Caixia Zhang", "Roger Crawfis" ]	[]	[]	[]
Vis	2,004	Rendering planar cuts through quadratic and cubic finite elements	10.1109/VISUAL.2004.91	Coloring higher order scientific data is problematic using standard linear methods as found in OpenGL. The visual results are inaccurate when there is a large scalar gradient over an element or when the scalar field is nonlinear. In addition to shading nonlinear data, last and accurate rendering of planar cuts through ...	false	false	[ "Michael Brasher", "Robert Haimes" ]	[]	[]	[]
Vis	2,004	Rough interface reconstruction using the level set method	10.1109/VISUAL.2004.94	We present a new level set method for reconstructing interfaces from point aggregations. Although level-set-based methods are advantageous because they can handle complicated topologies and noisy data, most tend to smooth the inherent roughness of the original data. Our objective is to enhance the quality of a reconstr...	false	false	[ "Yootai Kim", "Raghu Machiraju", "David S. Thompson" ]	[]	[]	[]
Vis	2,004	Scout: a hardware-accelerated system for quantitatively driven visualization and analysis	10.1109/VISUAL.2004.95	Quantitative techniques for visualization are critical to the successful analysis of both acquired and simulated scientific data. Many visualization techniques rely on indirect mappings, such as transfer functions, to produce the final imagery. In many situations, it is preferable and more powerful to express these map...	false	false	[ "Patrick S. McCormick", "Jeff T. Inman", "James P. Ahrens", "Charles D. Hansen", "Greg Roth" ]	[]	[]	[]
Vis	2,004	Self-illustrating phenomena	10.1109/VISUAL.2004.12	Summary form only given. A self-illustrating phenomenon is an image which exposes the science behind it. Some famous examples are pictures of iron filings aligned along magnetic lines of force, sand particles collecting at the stationary points of the standing waves of a violin, stress in a mechanical part revealed thr...	false	false	[ "Pat Hanrahan" ]	[]	[]	[]
Vis	2,004	Simplifying flexible isosurfaces using local geometric measures	10.1109/VISUAL.2004.96	The contour tree, an abstraction of a scalar field that encodes the nesting relationships of isosurfaces, can be used to accelerate isosurface extraction, to identify important isovalues for volume-rendering transfer functions, and to guide exploratory visualization through a flexible isosurface interface. Many real-wo...	false	false	[ "Hamish A. Carr", "Jack Snoeyink", "Michiel van de Panne" ]	[ "TT" ]	[]	[]
Vis	2,004	STEPS - an application for simulation of transsphenoidal endonasal pituitary surgery	10.1109/VISUAL.2004.98	Endonasal transsphenoidal pituitary surgery is a minimally invasive endoscopic procedure, applied to remove various kinds of pituitary tumors. To reduce the risk associated with this treatment, the surgeon must be skilled and well-prepared. Virtual endoscopy can be beneficial as a tool for training, preoperative planni...	false	false	[ "André Neubauer 0002", "Stefan Wolfsberger", "Marie-Thérèse Forster", "Lukas Mroz", "Rainer Wegenkittl", "Katja Bühler" ]	[ "BA" ]	[]	[]
Vis	2,004	Stream line and path line oriented topology for 2D time-dependent vector fields	10.1109/VISUAL.2004.99	Topological methods aim at the segmentation of a vector field into areas of different flow behavior. For 2D time-dependent vector fields, two such segmentations are possible: either concerning the behavior of stream lines, or of path lines. While stream line oriented topology is well established, we introduce path line...	false	false	[ "Holger Theisel", "Tino Weinkauf", "Hans-Christian Hege", "Hans-Peter Seidel" ]	[]	[]	[]
Vis	2,004	Surface reconstruction of noisy and defective data sets	10.1109/VISUAL.2004.101	We present a novel surface reconstruction algorithm that can recover high-quality surfaces from noisy and defective data sets without any normal or orientation information. A set of new techniques is introduced to afford extra noise tolerability, robust orientation alignment, reliable outlier removal, and satisfactory ...	false	false	[ "Hui Xie 0001", "Kevin T. McDonnell", "Hong Qin" ]	[]	[]	[]
Vis	2,004	TetSplat: real-time rendering and volume clipping of large unstructured tetrahedral meshes	10.1109/VISUAL.2004.102	We present a novel approach to interactive visualization and exploration of large unstructured tetrahedral meshes. These massive 3D meshes are used in mission-critical CFD and structural mechanics simulations, and typically sample multiple field values on several millions of unstructured grid points. Our method relies ...	false	false	[ "Ken Museth", "Santiago V. Lombeyda" ]	[]	[]	[]
Vis	2,004	TexMol: interactive visual exploration of large flexible multi-component molecular complexes	10.1109/VISUAL.2004.103	While molecular visualization software has advanced over the years, today, most tools still operate on individual molecular structures with limited facility to manipulate large multicomponent complexes. We approach this problem by extending 3D image-based rendering via programmable graphics units, resulting in an order...	false	false	[ "Chandrajit L. Bajaj", "Peter Djeu", "Vinay Siddavanahalli", "Anthony Thane" ]	[]	[]	[]
Vis	2,004	The human visual system: how is its design related to the physics of the natural environment?	10.1109/VISUAL.2004.61	Summary form only given. The human visual system is the result of evolution by natural selection and hence its design must incorporate detailed knowledge of the physical properties of the natural environment. This is an obvious statement, but the scientific community has been slow to take it seriously. Only recently ha...	false	false	[ "Wilson S. Geisler" ]	[]	[]	[]
Vis	2,004	The VesselGlyph: focus & context visualization in CT-angiography	10.1109/VISUAL.2004.104	Accurate and reliable visualization of blood vessels is still a challenging problem, notably in the presence of morphologic changes resulting from atherosclerotic diseases. We take advantage of partially segmented data with approximately identified vessel centerlines to comprehensively visualize the diseased peripheral...	false	false	[ "Matús Straka", "Michal Cervenanský", "Alexandra La Cruz", "Arnold Köchl", "Milos Srámek", "M. Eduard Gröller", "Dominik Fleischmann" ]	[]	[]	[]
Vis	2,004	Topological lines in 3D tensor fields	10.1109/VISUAL.2004.105	Visualization of 3D tensor fields continues to be a major challenge in terms of providing intuitive and uncluttered images that allow the users to better understand their data. The primary focus of this paper is on finding a formulation that lends itself to a stable numerical algorithm for extracting stable and persist...	false	false	[ "Xiaoqiang Zheng", "Alex T. Pang" ]	[]	[]	[]
Vis	2,004	Topology visualization of the optical power flow through a novel C-shaped nano-aperture	10.1109/VISUAL.2004.106	An ideal visualization tool that has not been used before in studying the optical behavior of near-field apertures is three-dimensional vector field topology. The global view of the vector field structure is deduced by locating singularities (critical points) within the field and augmenting these points with nearby str...	false	false	[ "Liying Sun", "Rajesh Batra", "Xiaolei Shi", "Lambertus Hesselink" ]	[]	[]	[]
Vis	2,004	Tracking of vector field singularities in unstructured 3D time-dependent datasets	10.1109/VISUAL.2004.107	We present an approach for monitoring the positions of vector field singularities and related structural changes in time-dependent datasets. The concept of singularity index is discussed and extended from the well-understood planar case to the more intricate three-dimensional setting. Assuming a tetrahedral grid with l...	false	false	[ "Christoph Garth", "Xavier Tricoche", "Gerik Scheuermann" ]	[]	[]	[]
Vis	2,004	Vector Wavelet Thresholding for Vector Field Denoising	10.1109/VISUAL.2004.108	Noise reduction is an important preprocessing step for many visualization techniques that make use of feature extraction. We propose a method for denoising 2-D vector fields that are corrupted by additive noise. The method is based on the vector wavelet transform and wavelet coefficient thresholding. We compare our wav...	false	false	[ "Michel A. Westenberg", "Thomas Ertl" ]	[]	[]	[]
Vis	2,004	VisBiz: A Simplified Visualization of Business Operation	10.1109/VISUAL.2004.109	In this poster, we present a new technique, VisBiz, for interactively visualizing business operations. The basic idea of this technique is to visually mining relationships between important operation parameters (attributes) and to map the parameters into visualizations. VisBiz simplifies the complexity by partitioning ...	false	false	[ "Ming C. Hao", "Daniel A. Keim", "Umeshwar Dayal" ]	[]	[]	[]
Vis	2,004	Visibility culling for time-varying volume rendering using temporal occlusion coherence	10.1109/VISUAL.2004.110	Typically there is a high coherence in data values between neighboring time steps in an iterative scientific software simulation; this characteristic similarly contributes to a corresponding coherence in the visibility of volume blocks when these consecutive time steps are rendered. Yet traditional visibility culling a...	false	false	[ "Jinzhu Gao", "Han-Wei Shen", "Jian Huang 0007", "James Arthur Kohl" ]	[]	[]	[]
Vis	2,004	Visual Inspection Methods for Quality Control in Automotive Engineering	10.1109/VISUAL.2004.111	The automotive industry demands visual support for the verification of the quality of their products from the design phase to the manufacturing phase. This implies the need of tools for measurement planning, programming measuring devices, managing measurement data, and the visual exploration of the measurement results....	false	false	[ "Hans Hagen", "Andreas Disch", "Jochen Ehret", "Ralf Klein", "Sascha Köhn", "Dirk Zeckzer", "Michael Münchhofen" ]	[]	[]	[]
Vis	2,004	Visualization in grid computing environments	10.1109/VISUAL.2004.112	Grid computing provides a challenge for visualization system designers. In this research, we evolve the dataflow concept to allow parts of the visualization process to be executed remotely in a secure and seamless manner. We see dataflow at three levels: an abstract specification of the intent of the visualization; a b...	false	false	[ "Ken Brodlie", "David A. Duce", "Julian Gallop", "Musbah Shahop Sagar", "J. P. R. B. Walton", "Jason D. Wood" ]	[]	[]	[]
Vis	2,004	Visualization of intricate flow structures for vortex breakdown analysis	10.1109/VISUAL.2004.113	Vortex breakdowns and flow recirculation are essential phenomena in aeronautics where they appear as a limiting factor in the design of modern aircrafts. Because of the inherent intricacy of these features, standard flow visualization techniques typically yield cluttered depictions. The paper addresses the challenges r...	false	false	[ "Xavier Tricoche", "Christoph Garth", "Gordon L. Kindlmann", "Eduard Deines", "Gerik Scheuermann", "Markus Rütten", "Charles D. Hansen" ]	[]	[]	[]
Vis	2,004	Visualization of Nanoparticle Formation in Turbulent Flows	10.1109/VISUAL.2004.114	In this paper we offer methods for visualization of the formation of nanoparticles in turbulent flows. We present the use of pointillism as a technique to convey the distribution of nanoparticle sizes as texture in an area. We also demonstrate a method of producing and packing spot glyphs representative of the distribu...	false	false	[ "P. Coleman Saunders", "Sean C. Garrick", "Victoria Interrante" ]	[]	[]	[]
Vis	2,004	Visualization of salt-induced stress perturbations	10.1109/VISUAL.2004.115	An important challenge encountered during post-processing of finite element analyses is the visualizing of three-dimensional fields of real-valued second-order tensors. Namely, as finite element meshes become more complex and detailed, evaluation and presentation of the principal stresses becomes correspondingly proble...	false	false	[ "Patricia Crossno", "David H. Rogers 0001", "Rebecca M. Brannon", "David Coblentz" ]	[]	[]	[]
Vis	2,004	Visualization of the Interaction of Multiple Sclerosis Lesions with Adjacent White Matter Fibers Using Streamtubes and Streamsurfaces	10.1109/VISUAL.2004.116	Multiple sclerosis (MS) is a chronic disease of the central nervous system that predominantly affects young adults during their most productive years. Pathologically, MS is characterized by the presence of areas of demyelination and T-cell predominant perivascular inflammation in the brain white matter. In order to stu...	false	false	[ "Song Zhang 0004", "David H. Laidlaw", "Jack Simon", "Mark Brown", "David Miller" ]	[]	[]	[]
Vis	2,004	Visualization of Topological Defects in Nematic Liquid Crystals Using Streamtubes, Streamsurfaces and Ellipsoids	10.1109/VISUAL.2004.117	Researchers in computational condensed matter physics deal with complex data sets consisting of time varying 3D tensor, vector, and scalar quantities. Particularly, in the research of topological defects in nematic liquid crystals (LC) displaying the results of the computer simulation of molecular dynamics presents a c...	false	false	[ "Vadim A. Slavin", "David H. Laidlaw", "Robert Pelcovits", "Song Zhang 0004", "George Loriot", "Andrew Callan-Jones" ]	[]	[]	[]
Vis	2,004	Visualization of Vortices in Simulated Airflow around Bat Wings During Flight	10.1109/VISUAL.2004.118	Introduction: We present visualizations that emphasize vortices in simulated airflow around a motion-captured bat model. These visualizations aim to help biologists gain understanding on the mechanics of bat flight. As suggested by our fluid dynamics collaborators, studying the formation and shedding of vortices in the...	false	false	[ "Eduardo Hueso", "Igor Pivkin", "Sharon Swartz", "David H. Laidlaw", "George Em Karniadakis", "Kenneth Breuer" ]	[]	[]	[]
Vis	2,004	Visualizing Botanical Trees over Four Seasons	10.1109/VISUAL.2004.119	Visualizing the growth process of botanical trees over the spring, summer, fall and winter seasons along with the natural effects of wind, ice and rain on the trees can be a useful tool for scientific research or even artistic display. This paper presents a method for visualizing the growth process of different botanic...	false	false	[ "Derek Bradley" ]	[]	[]	[]
Vis	2,004	Visualizing competitive behaviors in multi-user virtual environments	10.1109/VISUAL.2004.120	We present a system for enhancing observation of user interactions in virtual environments. In particular, we focus on analyzing behavior patterns in the popular team-based first-person perspective game Return to Castle Wolfenstein: Enemy Territory. This game belongs to a genre characterized by two moderate-sized teams...	false	false	[ "Nate Hoobler", "Greg Humphreys", "Maneesh Agrawala" ]	[]	[]	[]
Vis	2,004	Visualizing cortical waves and timing from data	10.1109/VISUAL.2004.121	Waves are a fundamental mechanism for conveying information in many physical problems. Direct visualization techniques are often used to display wave fronts. However, the information derived from such visualizations may not be as central to an investigation as an understanding of how the location, structure and time co...	false	false	[ "Kay A. Robbins", "Mark A. Robinson", "David M. Senseman" ]	[]	[]	[]
Vis	2,004	Visualizing gyrokinetic simulations	10.1109/VISUAL.2004.122	The continuing advancement of plasma science is central to realizing fusion as an inexpensive and safe energy source. Gryokinetic simulations of plasmas are fundamental to the understanding of turbulent transport in fusion plasma. This work discusses the visualization challenges presented by gyrokinetic simulations usi...	false	false	[ "David Crawford", "Kwan-Liu Ma", "Min-Yu Huang", "Scott Klasky", "Stéphane Ethier" ]	[]	[]	[]
Vis	2,004	Visualizing the Energetics of the Dissociation of a Metastable Molecule	10.1109/VISUAL.2004.123	Introduction Shown in Figure 1 is the simulation of the energetics of the dissociation of a metastable molecule. The simulation was computed by Dr. Robert Wyatt, a Professor of Chemistry at The University of Texas at Austin. Dr. Wyatt’s simulation uses a model molecule composed of two fragments, A and B. Starting from ...	false	false	[ "David Guzman", "Reuben Reyes", "Karla Vega", "Kelly P. Gaither", "Robert Wyatt" ]	[]	[]	[]
Vis	2,004	Visualizing the Evolution of Horned Lizards Using 3D Morphing Techniques	10.1109/VISUAL.2004.124	Introduction Reconstructing the evolutionary history of diverse species is a basic goal of systematic biology and is essential to comparative biology. Phylogenies representing this history are constructed from the analyses of molecular or morphological data and used as tools for understanding the evolution of complex t...	false	false	[ "Reuben Reyes", "Wendy L. Hodges", "Kelly P. Gaither" ]	[]	[]	[]
Vis	2,004	Visualizing Turbulent Flow	10.1109/VISUAL.2004.125	Introduction The images shown in Figure 1 display a single time step of a turbulent flow simulation computed by Dr. Thomas J. R. Hughes, Professor of Aerospace Engineering, and Victor Calo at The University of Texas at Austin. This research examines how a fluid running over a flat plate suddenly becomes turbulent. The ...	false	false	[ "Gregory P. Johnson", "Kelly P. Gaither", "Victor M. Calo" ]	[]	[]	[]
Vis	2,004	Vol-a-Tile - A Tool for Interactive Exploration of Large Volumetric Data on Scalable Tiled Displays	10.1109/VISUAL.2004.126	We present the current state of Vol-a-Tile, an interactive tool for exploring large volumetric data on scalable tiled displays. Vol-a-Tile presents a variety of features employed by scientists at the Scripps Institution of Oceanography on data collected from the Anatomy of a Ridge-Axis Discontinuity seismic experiment....	false	false	[ "Nicholas Schwarz", "Shalini Venkataraman", "Luc Renambot", "Naveen K. Krishnaprasad", "Venkatram Vishwanath", "Jason Leigh", "Andrew E. Johnson 0001", "Graham Kent", "Atul Nayak" ]	[]	[]	[]
Vis	2,004	Volume refinement fairing isosurfaces	10.1109/VISUAL.2004.127	We propose an interpolating refinement method for two- and three-dimensional scalar fields defined on hexahedral grids. Iterative fairing of the underlying contours (isosurfaces) provides the function values of new grid points. Our method can be considered as a nonlinear variational subdivision scheme for volumes. It c...	false	false	[ "Martin Hering-Bertram" ]	[]	[]	[]
Vis	2,004	Vorticity based flow analysis and visualization for Pelton turbine design optimization	10.1109/VISUAL.2004.128	Vorticity is the quantity used to describe the creation, transformation and extinction of vortices. It is present not only in vortices but also in shear flow. Especially in ducted flows, most of the overall vorticity is usually contained in the boundary layer. When a vortex develops from the boundary layer, this can be...	false	false	[ "Filip Sadlo", "Ronald Peikert", "Etienne Parkinson" ]	[]	[]	[]
InfoVis	2,004	A Comparison of the Readability of Graphs Using Node-Link and Matrix-Based Representations	10.1109/INFVIS.2004.1	In this paper, we describe a taxonomy of generic graph related tasks and an evaluation aiming at assessing the readability of two representations of graphs: matrix-based representations and node-link diagrams. This evaluation bears on seven generic tasks and leads to important recommendations with regard to the represe...	false	false	[ "Mohammad Ghoniem", "Jean-Daniel Fekete", "Philippe Castagliola" ]	[ "TT" ]	[]	[]
InfoVis	2,004	A History Mechanism for Visual Data Mining	10.1109/INFVIS.2004.2	A major challenge of current visualization and visual data mining (VDM) frameworks is to support users in the orientation in complex visual mining scenarios. An important aspect to increase user support and user orientation is to use a history mechanism that, first of all, provides un- and redoing functionality. In thi...	false	false	[ "Matthias Kreuseler", "Thomas Nocke", "Heidrun Schumann" ]	[]	[]	[]
InfoVis	2,004	A Knowledge Task-Based Framework for Design and Evaluation of Information Visualizations	10.1109/INFVIS.2004.10	The design and evaluation of most current information visualization systems descend from an emphasis on a user's ability to "unpack" the representations of data of interest and operate on them independently. Too often, successful decision-making and analysis are more a matter of serendipity and user experience than of ...	false	false	[ "Robert A. Amar", "John T. Stasko" ]	[ "BP" ]	[]	[]
InfoVis	2,004	A Rank-by-Feature Framework for Unsupervised Multidimensional Data Exploration Using Low Dimensional Projections	10.1109/INFVIS.2004.3	Exploratory analysis of multidimensional data sets is challenging because of the difficulty in comprehending more than three dimensions. Two fundamental statistical principles for the exploratory analysis are (1) to examine each dimension first and then find relationships among dimensions, and (2) to try graphical disp...	false	false	[ "Jinwook Seo", "Ben Shneiderman" ]	[]	[]	[]
InfoVis	2,004	An Associative Information Visualizer	10.1109/INFVIS.2004.4	The following item is made available as a courtesy to scholars by the author(s) and Drexel University Library and may contain materials and content, including computer code and tags, artwork, text, graphics, images, and illustrations (Material) which may be protected by copyright law. Unless otherwise noted, the Materi...	false	false	[ "Howard D. White", "Xia Lin", "Jan W. Buzydlowski" ]	[]	[]	[]
InfoVis	2,004	An Evaluation of Microarray Visualization Tools for Biological Insight	10.1109/INFVIS.2004.5	High-throughput experiments such as gene expression microarrays in the life sciences result in large datasets. In response, a wide variety of visualization tools have been created to facilitate data analysis. Biologists often face a dilemma in choosing the best tool for their situation. The tool that works best for one...	false	false	[ "Purvi Saraiya", "Chris North 0001", "Karen Duca" ]	[]	[]	[]
InfoVis	2,004	An Experimental Investigation of Magnification Lens Offset and Its Impact on Imagery Analysis	10.1109/INFVIS.2004.6	A digital lens is a user interface mechanism that is a potential solution to information mangement problems. We investigated the use of digital lensing applied to imagery analysis. Participants completed three different types of tasks (locate, follow, and compare) using a magnification lens with three different degrees...	false	false	[ "Erika Darling", "Chris Newbern", "Nikhil Kalghatgi", "Aaron Burgman", "Kristine Recktenwald" ]	[]	[]	[]
InfoVis	2,004	ARNA: Interactive Comparison and Alignment of RNA Secondary Structure	10.1109/INFVIS.2004.7	ARNA is an interactive visualization system that supports comparison and alignment of RNA secondary structure. We present a new approach to RNA alignment that exploits the complex structure of the Smith-Waterman local distance matrix, allowing people to explore the space of possible partial alignments to discover a goo...	false	false	[ "Gerald Gainant", "David Auber" ]	[]	[]	[]
InfoVis	2,004	Artifacts of the Presence Era: Using Information Visualization to Create an Evocative Souvenir	10.1109/INFVIS.2004.8	We present Artifacts of the Presence Era, a digital installation that uses a geological metaphor to visualize the events in a physical space over time. The piece captures video and audio from a museum and constructs an impressionistic visualization of the evolving history in the space. Instead of creating a visualizati...	false	false	[ "Fernanda B. Viégas", "Ethan Perry", "Ethan Howe", "Judith S. Donath" ]	[]	[]	[]
InfoVis	2,004	BinX: Dynamic Exploration of Time Series Datasets Across Aggregation Levels	10.1109/INFVIS.2004.11	Many fields of study produce time series datasets, and both the size and number of theses datasets are increasing rapidly due to the improvement of data accumulation methods such as small, cheap sensors and routine logging of events. Humans often fail to comprehend the structure of a long time series dataset because of...	false	false	[ "Lior Berry", "Tamara Munzner" ]	[]	[]	[]
InfoVis	2,004	Building Highly-Coordinated Visualizations in Improvise	10.1109/INFVIS.2004.12	Improvise is a fully-implemented system in which users build and browse multiview visualizations interactively using a simple shared-object coordination mechanism coupled with a flexible, expression-based visual abstraction language. By coupling visual abstraction with coordination, users gain precise control over how ...	false	false	[ "Chris E. Weaver" ]	[]	[]	[]
InfoVis	2,004	Capstone Address: Visualization as a Medium for Capturing and Sharing Thoughts	10.1109/INFVIS.2004.13	null	false	false	[ "Steven F. Roth" ]	[]	[]	[]

Subsets and Splits

No community queries yet

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