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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
SciVis	2,012	Automatic Tuning of Spatially Varying Transfer Functions for Blood Vessel Visualization	10.1109/TVCG.2012.203	Computed Tomography Angiography (CTA) is commonly used in clinical routine for diagnosing vascular diseases. The procedure involves the injection of a contrast agent into the blood stream to increase the contrast between the blood vessels and the surrounding tissue in the image data. CTA is often visualized with Direct...	false	false	[ "Gunnar Läthén", "Stefan Lindholm", "Reiner Lenz", "Anders Persson", "Magnus Borga" ]	[]	[]	[]
SciVis	2,012	Coherency-Based Curve Compression for High-Order finite Element Model Visualization	10.1109/TVCG.2012.206	Finite element (FE) models are frequently used in engineering and life sciences within time-consuming simulations. In contrast with the regular grid structure facilitated by volumetric data sets, as used in medicine or geosciences, FE models are defined over a non-uniform grid. Elements can have curved faces and their ...	false	false	[ "Alexander Bock 0002", "Erik Sundén", "Bingchen Liu", "Burkhard Wünsche", "Timo Ropinski" ]	[]	[]	[]
SciVis	2,012	Computing Morse-Smale Complexes with Accurate Geometry	10.1109/TVCG.2012.209	Topological techniques have proven highly successful in analyzing and visualizing scientific data. As a result, significant efforts have been made to compute structures like the Morse-Smale complex as robustly and efficiently as possible. However, the resulting algorithms, while topologically consistent, often produce ...	false	false	[ "Attila Gyulassy", "Peer-Timo Bremer", "Valerio Pascucci" ]	[]	[]	[]
SciVis	2,012	Cumulative Heat Diffusion Using Volume Gradient Operator for Volume Analysis	10.1109/TVCG.2012.210	We introduce a simple, yet powerful method called the Cumulative Heat Diffusion for shape-based volume analysis, while drastically reducing the computational cost compared to conventional heat diffusion. Unlike the conventional heat diffusion process, where the diffusion is carried out by considering each node separate...	false	false	[ "Krishna Chaitanya Gurijala", "Lei Wang 0024", "Arie E. Kaufman" ]	[]	[]	[]
SciVis	2,012	Derived Metric Tensors for Flow Surface Visualization	10.1109/TVCG.2012.211	Integral flow surfaces constitute a widely used flow visualization tool due to their capability to convey important flow information such as fluid transport, mixing, and domain segmentation. Current flow surface rendering techniques limit their expressiveness, however, by focusing virtually exclusively on displacement ...	false	false	[ "Harald Obermaier", "Kenneth I. Joy" ]	[]	[]	[]
SciVis	2,012	Effects of Stereo and Screen Size on the Legibility of Three-Dimensional Streamtube Visualization	10.1109/TVCG.2012.216	We report the impact of display characteristics (stereo and size) on task performance in diffusion magnetic resonance imaging (DMRI) in a user study with 12 participants. The hypotheses were that (1) adding stereo and increasing display size would improve task accuracy and reduce completion time, and (2) the greater th...	false	false	[ "Jian Chen 0006", "Haipeng Cai", "Alexander P. Auchus", "David H. Laidlaw" ]	[]	[]	[]
SciVis	2,012	Efficient Structure-Aware Selection Techniques for 3D Point Cloud Visualizations with 2DOF Input	10.1109/TVCG.2012.217	Data selection is a fundamental task in visualization because it serves as a pre-requisite to many follow-up interactions. Efficient spatial selection in 3D point cloud datasets consisting of thousands or millions of particles can be particularly challenging. We present two new techniques, TeddySelection and CloudLasso...	false	false	[ "Lingyun Yu 0001", "Konstantinos Efstathiou 0001", "Petra Isenberg", "Tobias Isenberg 0001" ]	[ "TT", "HM" ]	[]	[]
SciVis	2,012	ElVis: A System for the Accurate and Interactive Visualization of High-Order finite Element Solutions	10.1109/TVCG.2012.218	This paper presents the Element Visualizer (ElVis), a new, open-source scientific visualization system for use with high-order finite element solutions to PDEs in three dimensions. This system is designed to minimize visualization errors of these types of fields by querying the underlying finite element basis functions...	false	false	[ "Blake Nelson", "Eric Liu", "Robert M. Kirby", "Robert Haimes" ]	[]	[]	[]
SciVis	2,012	Evaluation of Fast-Forward Video Visualization	10.1109/TVCG.2012.222	We evaluate and compare video visualization techniques based on fast-forward. A controlled laboratory user study (n = 24) was conducted to determine the trade-off between support of object identification and motion perception, two properties that have to be considered when choosing a particular fast-forward visualizati...	false	false	[ "Markus Höferlin", "Kuno Kurzhals", "Benjamin Höferlin", "Gunther Heidemann", "Daniel Weiskopf" ]	[]	[]	[]
SciVis	2,012	Evaluation of Multivariate Visualization on a Multivariate Task	10.1109/TVCG.2012.223	Multivariate visualization techniques have attracted great interest as the dimensionality of data sets grows. One premise of such techniques is that simultaneous visual representation of multiple variables will enable the data analyst to detect patterns amongst multiple variables. Such insights could lead to developmen...	false	false	[ "Mark A. Livingston", "Jonathan W. Decker", "Zhuming Ai" ]	[]	[]	[]
SciVis	2,012	Fuzzy Volume Rendering	10.1109/TVCG.2012.227	In order to assess the reliability of volume rendering, it is necessary to consider the uncertainty associated with the volume data and how it is propagated through the volume rendering algorithm, as well as the contribution to uncertainty from the rendering algorithm itself. In this work, we show how to apply concepts...	false	false	[ "Nathaniel Fout", "Kwan-Liu Ma" ]	[]	[]	[]
SciVis	2,012	Generalized Topological Simplification of Scalar fields on Surfaces	10.1109/TVCG.2012.228	We present a combinatorial algorithm for the general topological simplification of scalar fields on surfaces. Given a scalar field f, our algorithm generates a simplified field g that provably admits only critical points from a constrained subset of the singularities of f, while guaranteeing a small distance \|\|f - g\|\|∞...	false	false	[ "Julien Tierny", "Valerio Pascucci" ]	[]	[]	[]
SciVis	2,012	Hierarchical Exploration of Volumes Using Multilevel Segmentation of the Intensity-Gradient Histograms	10.1109/TVCG.2012.231	Visual exploration of volumetric datasets to discover the embedded features and spatial structures is a challenging and tedious task. In this paper we present a semi-automatic approach to this problem that works by visually segmenting the intensity-gradient 2D histogram of a volumetric dataset into an exploration hiera...	false	false	[ "Cheuk Yiu Ip", "Amitabh Varshney", "Joseph F. JáJá" ]	[ "BP" ]	[]	[]
SciVis	2,012	Historygrams: Enabling Interactive Global Illumination in Direct Volume Rendering using Photon Mapping	10.1109/TVCG.2012.232	In this paper, we enable interactive volumetric global illumination by extending photon mapping techniques to handle interactive transfer function (TF) and material editing in the context of volume rendering. We propose novel algorithms and data structures for finding and evaluating parts of a scene affected by these p...	false	false	[ "Daniel Jönsson", "Joel Kronander", "Timo Ropinski", "Anders Ynnerman" ]	[]	[]	[]
SciVis	2,012	Human Computation in Visualization: Using Purpose Driven Games for Robust Evaluation of Visualization Algorithms	10.1109/TVCG.2012.234	Due to the inherent characteristics of the visualization process, most of the problems in this field have strong ties with human cognition and perception. This makes the human brain and sensory system the only truly appropriate evaluation platform for evaluating and fine-tuning a new visualization method or paradigm. H...	false	false	[ "Nafees U. Ahmed", "Ziyi Zheng", "Klaus Mueller 0001" ]	[]	[]	[]
SciVis	2,012	Interactive Retro-Deformation of Terrain for Reconstructing 3D Fault Displacements	10.1109/TVCG.2012.239	Planetary topography is the result of complex interactions between geological processes, of which faulting is a prominent component. Surface-rupturing earthquakes cut and move landforms which develop across active faults, producing characteristic surface displacements across the fault. Geometric models of faults and th...	false	false	[ "Rolf Westerteiger", "Tracy Compton", "Tony Bernardin", "Eric S. Cowgill", "Klaus Gwinner", "Bernd Hamann", "Andreas Gerndt", "Hans Hagen" ]	[]	[]	[]
SciVis	2,012	Interactive Volume Exploration of Petascale Microscopy Data Streams Using a Visualization-Driven Virtual Memory Approach	10.1109/TVCG.2012.240	This paper presents the first volume visualization system that scales to petascale volumes imaged as a continuous stream of high-resolution electron microscopy images. Our architecture scales to dense, anisotropic petascale volumes because it: (1) decouples construction of the 3D multi-resolution representation require...	false	false	[ "Markus Hadwiger", "Johanna Beyer", "Won-Ki Jeong", "Hanspeter Pfister" ]	[ "HM" ]	[]	[]
SciVis	2,012	KnotPad: Visualizing and Exploring Knot Theory with Fluid Reidemeister Moves	10.1109/TVCG.2012.242	We present KnotPad, an interactive paper-like system for visualizing and exploring mathematical knots; we exploit topological drawing and math-aware deformation methods in particular to enable and enrich our interactions with knot diagrams. Whereas most previous efforts typically employ physically based modeling to sim...	false	false	[ "Hui Zhang 0006", "Jianguang Weng", "Lin Jing", "Yiwen Zhong" ]	[]	[]	[]
SciVis	2,012	Lagrangian Coherent Structures for Design Analysis of Revolving Doors	10.1109/TVCG.2012.243	Room air flow and air exchange are important aspects for the design of energy-efficient buildings. As a result, simulations are increasingly used prior to construction to achieve an energy-efficient design. We present a visual analysis of air flow generated at building entrances, which uses a combination of revolving d...	false	false	[ "Benjamin Schindler", "Raphael Fuchs", "Stefan Barp", "Jürgen Waser", "Armin Pobitzer", "Robert Carnecky", "Kresimir Matkovic", "Ronald Peikert" ]	[]	[]	[]
SciVis	2,012	Multivariate Data Analysis Using Persistence-Based filtering and Topological Signatures	10.1109/TVCG.2012.248	The extraction of significant structures in arbitrary high-dimensional data sets is a challenging task. Moreover, classifying data points as noise in order to reduce a data set bears special relevance for many application domains. Standard methods such as clustering serve to reduce problem complexity by providing the u...	false	false	[ "Bastian Rieck", "Hubert Mara", "Heike Leitte" ]	[]	[]	[]
SciVis	2,012	On the Interpolation of Data with Normally Distributed Uncertainty for Visualization	10.1109/TVCG.2012.249	In many fields of science or engineering, we are confronted with uncertain data. For that reason, the visualization of uncertainty received a lot of attention, especially in recent years. In the majority of cases, Gaussian distributions are used to describe uncertain behavior, because they are able to model many phenom...	false	false	[ "Steven Schlegel", "Nico Korn", "Gerik Scheuermann" ]	[]	[]	[]
SciVis	2,012	SeiVis: An Interactive Visual Subsurface Modeling Application	10.1109/TVCG.2012.259	The most important resources to fulfill today's energy demands are fossil fuels, such as oil and natural gas. When exploiting hydrocarbon reservoirs, a detailed and credible model of the subsurface structures is crucial in order to minimize economic and ecological risks. Creating such a model is an inverse problem: rec...	false	false	[ "Thomas Höllt", "Wolfgang Freiler", "Fritz Gschwantner", "Helmut Doleisch", "Gabor Heinemann", "Markus Hadwiger" ]	[]	[]	[]
SciVis	2,012	Sketching Uncertainty into Simulations	10.1109/TVCG.2012.261	In a variety of application areas, the use of simulation steering in decision making is limited at best. Research focusing on this problem suggests that most user interfaces are too complex for the end user. Our goal is to let users create and investigate multiple, alternative scenarios without the need for special sim...	false	false	[ "Hrvoje Ribicic", "Jürgen Waser", "Roman Gurbat", "Bernhard Sadransky", "M. Eduard Gröller" ]	[]	[]	[]
SciVis	2,012	Structure-Aware Lighting Design for Volume Visualization	10.1109/TVCG.2012.267	Lighting design is a complex, but fundamental, problem in many fields. In volume visualization, direct volume rendering generates an informative image without external lighting, as each voxel itself emits radiance. However, external lighting further improves the shape and detail perception of features, and it also dete...	false	false	[ "Yubo Tao", "Hai Lin 0003", "Feng Dong 0005", "Chao Wang 0063", "Gordon Clapworthy", "Hujun Bao" ]	[]	[]	[]
SciVis	2,012	Surface-Based Structure Analysis and Visualization for Multifield Time-Varying Datasets	10.1109/TVCG.2012.269	This paper introduces a new feature analysis and visualization method for multifield datasets. Our approach applies a surface-centric model to characterize salient features and form an effective, schematic representation of the data. We propose a simple, geometrically motivated, multifield feature definition. This defi...	false	false	[ "Samer S. Barakat", "Markus Rütten", "Xavier Tricoche" ]	[]	[]	[]
SciVis	2,012	Turbulence Visualization at the Terascale on Desktop PCs	10.1109/TVCG.2012.274	Despite the ongoing efforts in turbulence research, the universal properties of the turbulence small-scale structure and the relationships between small- and large-scale turbulent motions are not yet fully understood. The visually guided exploration of turbulence features, including the interactive selection and simult...	false	false	[ "Marc Treib", "Kai Bürger", "Florian Reichl", "Charles Meneveau", "Alex Szalay", "Rüdiger Westermann" ]	[]	[]	[]
SciVis	2,012	Visual Data Analysis as an Integral Part of Environmental Management	10.1109/TVCG.2012.278	The U.S. Department of Energy's (DOE) Office of Environmental Management (DOE/EM) currently supports an effort to understand and predict the fate of nuclear contaminants and their transport in natural and engineered systems. Geologists, hydrologists, physicists and computer scientists are working together to create mod...	false	false	[ "Jörg Meyer", "E. Wes Bethel", "Jennifer L. Horsman", "Susan S. Hubbard", "Harinarayan Krishnan", "Alexandru Romosan", "Elizabeth H. Keating", "Laura Monroe", "Richard Strelitz", "Phil Moore", "Glenn Taylor", "Ben Torkian", "Timothy C. Johnson", "Ian Gorton" ]	[]	[]	[]
SciVis	2,012	Visual Steering and Verification of Mass Spectrometry Data Factorization in Air Quality Research	10.1109/TVCG.2012.280	The study of aerosol composition for air quality research involves the analysis of high-dimensional single particle mass spectrometry data. We describe, apply, and evaluate a novel interactive visual framework for dimensionality reduction of such data. Our framework is based on non-negative matrix factorization with sp...	false	false	[ "Daniel Engel", "Klaus Greff", "Christoph Garth", "Keith Bein", "Anthony S. Wexler", "Bernd Hamann", "Hans Hagen" ]	[]	[]	[]
SciVis	2,012	Visualization of Astronomical Nebulae via Distributed Multi-GPU Compressed Sensing Tomography	10.1109/TVCG.2012.281	The 3D visualization of astronomical nebulae is a challenging problem since only a single 2D projection is observable from our fixed vantage point on Earth. We attempt to generate plausible and realistic looking volumetric visualizations via a tomographic approach that exploits the spherical or axial symmetry prevalent...	false	false	[ "Stephan Wenger", "Marco Ament", "Stefan Guthe", "Dirk A. Lorenz", "Andreas M. Tillmann", "Daniel Weiskopf", "Marcus A. Magnor" ]	[]	[]	[]
SciVis	2,012	Visualization of Electrostatic Dipoles in Molecular Dynamics of Metal Oxides	10.1109/TVCG.2012.282	Metal oxides are important for many technical applications. For example alumina (aluminum oxide) is the most commonly-used ceramic in microelectronic devices thanks to its excellent properties. Experimental studies of these materials are increasingly supplemented with computer simulations. Molecular dynamics (MD) simul...	false	false	[ "Sebastian Grottel", "Philipp Beck", "Christoph Müller 0001", "Guido Reina", "Johannes Roth", "Hans-Rainer Trebin", "Thomas Ertl" ]	[]	[]	[]
SciVis	2,012	Visualization of Flow Behavior in Earth Mantle Convection	10.1109/TVCG.2012.283	A fundamental characteristic of fluid flow is that it causes mixing: introduce a dye into a flow, and it will disperse. Mixing can be used as a method to visualize and characterize flow. Because mixing is a process that occurs over time, it is a 4D problem that presents a challenge for computation, visualization, and a...	false	false	[ "Simon Schröder", "John A. Peterson", "Harald Obermaier", "Louise H. Kellogg", "Kenneth I. Joy", "Hans Hagen" ]	[]	[]	[]
SciVis	2,012	Visualization of Temporal Similarity in field Data	10.1109/TVCG.2012.284	This paper presents a visualization approach for detecting and exploring similarity in the temporal variation of field data. We provide an interactive technique for extracting correlations from similarity matrices which capture temporal similarity of univariate functions. We make use of the concept to extract periodic ...	false	false	[ "Steffen Frey", "Filip Sadlo", "Thomas Ertl" ]	[]	[]	[]
SciVis	2,012	Visualizing Nuclear Scission through a Multifield Extension of Topological Analysis	10.1109/TVCG.2012.287	In nuclear science, density functional theory (DFT) is a powerful tool to model the complex interactions within the atomic nucleus, and is the primary theoretical approach used by physicists seeking a better understanding of fission. However DFT simulations result in complex multivariate datasets in which it is difficu...	false	false	[ "David J. Duke", "Hamish A. Carr", "Aaron Knoll", "Nicolas Schunck", "Hai Ah Nam", "Andrzej Staszczak" ]	[]	[]	[]
SciVis	2,012	WYSIWYP: What You See Is What You Pick	10.1109/TVCG.2012.292	Scientists, engineers and physicians are used to analyze 3D data with slice-based visualizations. Radiologists for example are trained to read slices of medical imaging data. Despite the numerous examples of sophisticated 3D rendering techniques, domain experts, who still prefer slice-based visualization do not conside...	false	false	[ "Alexander Wiebel", "Frans Vos", "David Foerster", "Hans-Christian Hege" ]	[]	[]	[]
InfoVis	2,012	A User Study on Curved Edges in Graph Visualization	10.1109/TVCG.2012.189	Recently there has been increasing research interest in displaying graphs with curved edges to produce more readable visualizations. While there are several automatic techniques, little has been done to evaluate their effectiveness empirically. In this paper we present two experiments studying the impact of edge curvat...	false	false	[ "Kai Xu 0003", "Chris Rooney", "Peter J. Passmore", "Dong-Han Ham", "Phong Hai Nguyen" ]	[]	[]	[]
InfoVis	2,012	Adaptive Composite Map Projections	10.1109/TVCG.2012.192	All major web mapping services use the web Mercator projection. This is a poor choice for maps of the entire globe or areas of the size of continents or larger countries because the Mercator projection shows medium and higher latitudes with extreme areal distortion and provides an erroneous impression of distances and ...	false	false	[ "Bernhard Jenny" ]	[]	[]	[]
InfoVis	2,012	Algorithms for Labeling Focus Regions	10.1109/TVCG.2012.193	In this paper, we investigate the problem of labeling point sites in focus regions of maps or diagrams. This problem occurs, for example, when the user of a mapping service wants to see the names of restaurants or other POIs in a crowded downtown area but keep the overview over a larger area. Our approach is to place t...	false	false	[ "Martin Fink 0001", "Jan-Henrik Haunert", "André Schulz 0001", "Joachim Spoerhase", "Alexander Wolff 0001" ]	[]	[]	[]
InfoVis	2,012	An Empirical Model of Slope Ratio Comparisons	10.1109/TVCG.2012.196	Comparing slopes is a fundamental graph reading task and the aspect ratio chosen for a plot influences how easy these comparisons are to make. According to Banking to 45°, a classic design guideline first proposed and studied by Cleveland et al., aspect ratios that center slopes around 45° minimize errors in visual jud...	false	false	[ "Justin Talbot", "John Gerth", "Pat Hanrahan" ]	[]	[]	[]
InfoVis	2,012	An Empirical Study on Using Visual Embellishments in Visualization	10.1109/TVCG.2012.197	In written and spoken communications, figures of speech (e.g., metaphors and synecdoche) are often used as an aid to help convey abstract or less tangible concepts. However, the benefits of using rhetorical illustrations or embellishments in visualization have so far been inconclusive. In this work, we report an empiri...	false	false	[ "Rita Borgo", "Alfie Abdul-Rahman", "Farhan Mohamed", "Phil W. Grant", "Irene Reppa", "Luciano Floridi", "Min Chen 0001" ]	[]	[]	[]
InfoVis	2,012	Assessing the Effect of Visualizations on Bayesian Reasoning through Crowdsourcing	10.1109/TVCG.2012.199	People have difficulty understanding statistical information and are unaware of their wrong judgments, particularly in Bayesian reasoning. Psychology studies suggest that the way Bayesian problems are represented can impact comprehension, but few visual designs have been evaluated and only populations with a specific b...	false	false	[ "Luana Micallef", "Pierre Dragicevic", "Jean-Daniel Fekete" ]	[ "HM" ]	[]	[]
InfoVis	2,012	Beyond Mouse and Keyboard: Expanding Design Considerations for Information Visualization Interactions	10.1109/TVCG.2012.204	The importance of interaction to Information Visualization (InfoVis) and, in particular, of the interplay between interactivity and cognition is widely recognized [12, 15, 32, 55, 70]. This interplay, combined with the demands from increasingly large and complex datasets, is driving the increased significance of intera...	false	false	[ "Bongshin Lee", "Petra Isenberg", "Nathalie Henry Riche", "Sheelagh Carpendale" ]	[]	[]	[]
InfoVis	2,012	Capturing the Design Space of Sequential Space-filling Layouts	10.1109/TVCG.2012.205	We characterize the design space of the algorithms that sequentially tile a rectangular area with smaller, fixed-surface, rectangles. This space consist of five independent dimensions: Order, Size, Score, Recurse and Phrase. Each of these dimensions describe a particular aspect of such layout tasks. This class of layou...	false	false	[ "Thomas Baudel", "Bertjan Broeksema" ]	[]	[]	[]
InfoVis	2,012	Comparing Clusterings Using Bertin's Idea	10.1109/TVCG.2012.207	Classifying a set of objects into clusters can be done in numerous ways, producing different results. They can be visually compared using contingency tables [27], mosaicplots [13], fluctuation diagrams [15], tableplots [20] , (modified) parallel coordinates plots [28], Parallel Sets plots [18] or circos diagrams [19]. ...	false	false	[ "Alexander Pilhofer", "Alexander Gribov", "Antony Unwin" ]	[]	[]	[]
InfoVis	2,012	Compressed Adjacency Matrices: Untangling Gene Regulatory Networks	10.1109/TVCG.2012.208	We present a novel technique-Compressed Adjacency Matrices-for visualizing gene regulatory networks. These directed networks have strong structural characteristics: out-degrees with a scale-free distribution, in-degrees bound by a low maximum, and few and small cycles. Standard visualization techniques, such as node-li...	false	false	[ "Kasper Dinkla", "Michel A. Westenberg", "Jarke J. van Wijk" ]	[]	[]	[]
InfoVis	2,012	Design Considerations for Optimizing Storyline Visualizations	10.1109/TVCG.2012.212	Storyline visualization is a technique used to depict the temporal dynamics of social interactions. This visualization technique was first introduced as a hand-drawn illustration in XKCD's “Movie Narrative Charts” [21]. If properly constructed, the visualization can convey both global trends and local interactions in t...	false	false	[ "Yuzuru Tanahashi", "Kwan-Liu Ma" ]	[]	[]	[]
InfoVis	2,012	Design Study Methodology: Reflections from the Trenches and the Stacks	10.1109/TVCG.2012.213	Design studies are an increasingly popular form of problem-driven visualization research, yet there is little guidance available about how to do them effectively. In this paper we reflect on our combined experience of conducting twenty-one design studies, as well as reading and reviewing many more, and on an extensive ...	false	false	[ "Michael Sedlmair", "Miriah D. Meyer", "Tamara Munzner" ]	[ "HM" ]	[]	[]
InfoVis	2,012	Different Strokes for Different Folks: Visual Presentation Design between Disciplines	10.1109/TVCG.2012.214	We present an ethnographic study of design differences in visual presentations between academic disciplines. Characterizing design conventions between users and data domains is an important step in developing hypotheses, tools, and design guidelines for information visualization. In this paper, disciplines are compared...	false	false	[ "Steven R. Gomez", "Radu Jianu", "Caroline Ziemkiewicz", "Hua Guo", "David H. Laidlaw" ]	[]	[]	[]
InfoVis	2,012	Does an Eye Tracker Tell the Truth about Visualizations?: findings while Investigating Visualizations for Decision Making	10.1109/TVCG.2012.215	For information visualization researchers, eye tracking has been a useful tool to investigate research participants' underlying cognitive processes by tracking their eye movements while they interact with visual techniques. We used an eye tracker to better understand why participants with a variant of a tabular visuali...	false	false	[ "Sung-Hee Kim", "Zhihua Dong", "Hanjun Xian", "Benjavan Upatising", "Ji Soo Yi" ]	[]	[]	[]
InfoVis	2,012	Evaluating Sketchiness as a Visual Variable for the Depiction of Qualitative Uncertainty	10.1109/TVCG.2012.220	We report on results of a series of user studies on the perception of four visual variables that are commonly used in the literature to depict uncertainty. To the best of our knowledge, we provide the first formal evaluation of the use of these variables to facilitate an easier reading of uncertainty in visualizations ...	false	false	[ "Nadia Boukhelifa", "Anastasia Bezerianos", "Tobias Isenberg 0001", "Jean-Daniel Fekete" ]	[]	[]	[]
InfoVis	2,012	Evaluating the Effect of Style in Information Visualization	10.1109/TVCG.2012.221	This paper reports on a between-subject, comparative online study of three information visualization demonstrators that each displayed the same dataset by way of an identical scatterplot technique, yet were different in style in terms of visual and interactive embellishment. We validated stylistic adherence and integri...	false	false	[ "Andrew Vande Moere", "Martin Tomitsch", "Christoph Wimmer", "Christoph M. Bösch", "Thomas Grechenig" ]	[]	[]	[]
InfoVis	2,012	Exploring Flow, Factors, and Outcomes of Temporal Event Sequences with the Outflow Visualization	10.1109/TVCG.2012.225	Event sequence data is common in many domains, ranging from electronic medical records (EMRs) to sports events. Moreover, such sequences often result in measurable outcomes (e.g., life or death, win or loss). Collections of event sequences can be aggregated together to form event progression pathways. These pathways ca...	false	false	[ "Krist Wongsuphasawat", "David Gotz" ]	[]	[]	[]
InfoVis	2,012	Facilitating Discourse Analysis with Interactive Visualization	10.1109/TVCG.2012.226	A discourse parser is a natural language processing system which can represent the organization of a document based on a rhetorical structure tree-one of the key data structures enabling applications such as text summarization, question answering and dialogue generation. Computational linguistics researchers currently ...	false	false	[ "Jian Zhao 0010", "Fanny Chevalier", "Christopher Collins 0001", "Ravin Balakrishnan" ]	[]	[]	[]
InfoVis	2,012	Graphical Overlays: Using Layered Elements to Aid Chart Reading	10.1109/TVCG.2012.229	Reading a visualization can involve a number of tasks such as extracting, comparing or aggregating numerical values. Yet, most of the charts that are published in newspapers, reports, books, and on the Web only support a subset of these tasks. In this paper we introduce graphical overlays-visual elements that are layer...	false	false	[ "Nicholas Kong", "Maneesh Agrawala" ]	[]	[]	[]
InfoVis	2,012	Graphical Tests for Power Comparison of Competing Designs	10.1109/TVCG.2012.230	Lineups [4, 28] have been established as tools for visual testing similar to standard statistical inference tests, allowing us to evaluate the validity of graphical findings in an objective manner. In simulation studies [12] lineups have been shown as being efficient: the power of visual tests is comparable to classica...	false	false	[ "Heike Hofmann", "Lendie Follett", "Mahbubul Majumder", "Dianne Cook" ]	[]	[]	[]
InfoVis	2,012	How Capacity Limits of Attention Influence Information Visualization Effectiveness	10.1109/TVCG.2012.233	In this paper, we explore how the capacity limits of attention influence the effectiveness of information visualizations. We conducted a series of experiments to test how visual feature type (color vs. motion), layout, and variety of visual elements impacted user performance. The experiments tested users' abilities to ...	false	false	[ "Steve Haroz", "David Whitney" ]	[ "BP" ]	[]	[]
InfoVis	2,012	Intelligent Graph Layout Using Many Users' Input	10.1109/TVCG.2012.236	In this paper, we propose a new strategy for graph drawing utilizing layouts of many sub-graphs supplied by a large group of people in a crowd sourcing manner. We developed an algorithm based on Laplacian constrained distance embedding to merge subgraphs submitted by different users, while attempting to maintain the to...	false	false	[ "Xiaoru Yuan", "Limei Che", "Yifan Hu 0001", "Xin Zhang" ]	[]	[]	[]
InfoVis	2,012	Interaction Support for Visual Comparison Inspired by Natural Behavior	10.1109/TVCG.2012.237	Visual comparison is an intrinsic part of interactive data exploration and analysis. The literature provides a large body of existing solutions that help users accomplish comparison tasks. These solutions are mostly of visual nature and custom-made for specific data. We ask the question if a more general support is pos...	false	false	[ "Christian Tominski", "Camilla Forsell", "Jimmy Johansson 0001" ]	[]	[]	[]
InfoVis	2,012	Interactive Level-of-Detail Rendering of Large Graphs	10.1109/TVCG.2012.238	We propose a technique that allows straight-line graph drawings to be rendered interactively with adjustable level of detail. The approach consists of a novel combination of edge cumulation with density-based node aggregation and is designed to exploit common graphics hardware for speed. It operates directly on graph d...	false	false	[ "Michael Zinsmaier", "Ulrik Brandes", "Oliver Deussen", "Hendrik Strobelt" ]	[]	[]	[]
InfoVis	2,012	Living Liquid: Design and Evaluation of an Exploratory Visualization Tool for Museum Visitors	10.1109/TVCG.2012.244	Interactive visualizations can allow science museum visitors to explore new worlds by seeing and interacting with scientific data. However, designing interactive visualizations for informal learning environments, such as museums, presents several challenges. First, visualizations must engage visitors on a personal leve...	false	false	[ "Joyce Ma", "Isaac Liao", "Kwan-Liu Ma", "Jennifer Frazier" ]	[]	[]	[]
InfoVis	2,012	Memorability of Visual Features in Network Diagrams	10.1109/TVCG.2012.245	We investigate the cognitive impact of various layout features-symmetry, alignment, collinearity, axis alignment and orthogonality - on the recall of network diagrams (graphs). This provides insight into how people internalize these diagrams and what features should or shouldn't be utilised when designing static and in...	false	false	[ "Kim Marriott", "Helen C. Purchase", "Michael Wybrow", "Cagatay Goncu" ]	[]	[]	[]
InfoVis	2,012	Organizing Search Results with a Reference Map	10.1109/TVCG.2012.250	We propose a method to highlight query hits in hierarchically clustered collections of interrelated items such as digital libraries or knowledge bases. The method is based on the idea that organizing search results similarly to their arrangement on a fixed reference map facilitates orientation and assessment by preserv...	false	false	[ "Arlind Nocaj", "Ulrik Brandes" ]	[]	[]	[]
InfoVis	2,012	Perception of Visual Variables on Tiled Wall-Sized Displays for Information Visualization Applications	10.1109/TVCG.2012.251	We present the results of two user studies on the perception of visual variables on tiled high-resolution wall-sized displays. We contribute an understanding of, and indicators predicting how, large variations in viewing distances and viewing angles affect the accurate perception of angles, areas, and lengths. Our work...	false	false	[ "Anastasia Bezerianos", "Petra Isenberg" ]	[]	[]	[]
InfoVis	2,012	PivotPaths: Strolling through Faceted Information Spaces	10.1109/TVCG.2012.252	We present PivotPaths, an interactive visualization for exploring faceted information resources. During both work and leisure, we increasingly interact with information spaces that contain multiple facets and relations, such as authors, keywords, and citations of academic publications, or actors and genres of movies. T...	false	false	[ "Marian Dörk", "Nathalie Henry Riche", "Gonzalo A. Ramos", "Susan T. Dumais" ]	[]	[]	[]
InfoVis	2,012	RankExplorer: Visualization of Ranking Changes in Large Time Series Data	10.1109/TVCG.2012.253	For many applications involving time series data, people are often interested in the changes of item values over time as well as their ranking changes. For example, people search many words via search engines like Google and Bing every day. Analysts are interested in both the absolute searching number for each word as ...	false	false	[ "Conglei Shi", "Weiwei Cui", "Shixia Liu", "Panpan Xu", "Wei Chen 0001", "Huamin Qu" ]	[]	[]	[]
InfoVis	2,012	RelEx: Visualization for Actively Changing Overlay Network Specifications	10.1109/TVCG.2012.255	We present a network visualization design study focused on supporting automotive engineers who need to specify and optimize traffic patterns for in-car communication networks. The task and data abstractions that we derived support actively making changes to an overlay network, where logical communication specifications...	false	false	[ "Michael Sedlmair", "Annika Frank", "Tamara Munzner", "Andreas Butz" ]	[]	[]	[]
InfoVis	2,012	Representative Factor Generation for the Interactive Visual Analysis of High-Dimensional Data	10.1109/TVCG.2012.256	Datasets with a large number of dimensions per data item (hundreds or more) are challenging both for computational and visual analysis. Moreover, these dimensions have different characteristics and relations that result in sub-groups and/or hierarchies over the set of dimensions. Such structures lead to heterogeneity w...	false	false	[ "Cagatay Turkay", "Arvid Lundervold", "Astri J. Lundervold", "Helwig Hauser" ]	[]	[]	[]
InfoVis	2,012	Sketchy Rendering for Information Visualization	10.1109/TVCG.2012.262	We present and evaluate a framework for constructing sketchy style information visualizations that mimic data graphics drawn by hand. We provide an alternative renderer for the Processing graphics environment that redefines core drawing primitives including line, polygon and ellipse rendering. These primitives allow hi...	false	false	[ "Jo Wood", "Petra Isenberg", "Tobias Isenberg 0001", "Jason Dykes", "Nadia Boukhelifa", "Aidan Slingsby" ]	[]	[]	[]
InfoVis	2,012	SnapShot: Visualization to Propel Ice Hockey Analytics	10.1109/TVCG.2012.263	Sports analysts live in a world of dynamic games flattened into tables of numbers, divorced from the rinks, pitches, and courts where they were generated. Currently, these professional analysts use R, Stata, SAS, and other statistical software packages for uncovering insights from game data. Quantitative sports consult...	false	false	[ "Hannah Pileggi", "Charles D. Stolper", "J. Michael Boyle", "John T. Stasko" ]	[]	[]	[]
InfoVis	2,012	Spatial Text Visualization Using Automatic Typographic Maps	10.1109/TVCG.2012.264	We present a method for automatically building typographic maps that merge text and spatial data into a visual representation where text alone forms the graphical features. We further show how to use this approach to visualize spatial data such as traffic density, crime rate, or demographic data. The technique accepts ...	false	false	[ "Shehzad Afzal", "Ross Maciejewski", "Yun Jang", "Niklas Elmqvist", "David S. Ebert" ]	[]	[]	[]
InfoVis	2,012	Stacking-Based Visualization of Trajectory Attribute Data	10.1109/TVCG.2012.265	Visualizing trajectory attribute data is challenging because it involves showing the trajectories in their spatio-temporal context as well as the attribute values associated with the individual points of trajectories. Previous work on trajectory visualization addresses selected aspects of this problem, but not all of t...	false	false	[ "Christian Tominski", "Heidrun Schumann", "Gennady L. Andrienko", "Natalia V. Andrienko" ]	[]	[]	[]
InfoVis	2,012	Taxonomy-Based Glyph Design---with a Case Study on Visualizing Workflows of Biological Experiments	10.1109/TVCG.2012.271	Glyph-based visualization can offer elegant and concise presentation of multivariate information while enhancing speed and ease in visual search experienced by users. As with icon designs, glyphs are usually created based on the designers' experience and intuition, often in a spontaneous manner. Such a process does not...	false	false	[ "Eamonn Maguire", "Philippe Rocca-Serra", "Susanna-Assunta Sansone", "Jim Davies", "Min Chen 0001" ]	[]	[]	[]
InfoVis	2,012	The DeepTree Exhibit: Visualizing the Tree of Life to Facilitate Informal Learning	10.1109/TVCG.2012.272	In this paper, we present the DeepTree exhibit, a multi-user, multi-touch interactive visualization of the Tree of Life. We developed DeepTree to facilitate collaborative learning of evolutionary concepts. We will describe an iterative process in which a team of computer scientists, learning scientists, biologists, and...	false	false	[ "Florian Block", "Michael S. Horn", "Brenda Caldwell Phillips", "Judy Diamond", "E. Margaret Evans", "Chia Shen" ]	[]	[]	[]
InfoVis	2,012	Understanding Pen and Touch Interaction for Data Exploration on Interactive Whiteboards	10.1109/TVCG.2012.275	Current interfaces for common information visualizations such as bar graphs, line graphs, and scatterplots usually make use of the WIMP (Windows, Icons, Menus and a Pointer) interface paradigm with its frequently discussed problems of multiple levels of indirection via cascading menus, dialog boxes, and control panels....	false	false	[ "Jagoda Walny", "Bongshin Lee", "Paul Johns", "Nathalie Henry Riche", "Sheelagh Carpendale" ]	[]	[]	[]
InfoVis	2,012	Visual Semiotics & Uncertainty Visualization: An Empirical Study	10.1109/TVCG.2012.279	This paper presents two linked empirical studies focused on uncertainty visualization. The experiments are framed from two conceptual perspectives. First, a typology of uncertainty is used to delineate kinds of uncertainty matched with space, time, and attribute components of data. Second, concepts from visual semiotic...	false	false	[ "Alan M. MacEachren", "Robert E. Roth", "James O'Brien", "Bonan Li", "Derek Swingley", "Mark Gahegan" ]	[ "HM" ]	[]	[]
InfoVis	2,012	Visualizing Flow of Uncertainty through Analytical Processes	10.1109/TVCG.2012.285	Uncertainty can arise in any stage of a visual analytics process, especially in data-intensive applications with a sequence of data transformations. Additionally, throughout the process of multidimensional, multivariate data analysis, uncertainty due to data transformation and integration may split, merge, increase, or...	false	false	[ "Yingcai Wu", "Guo-Xun Yuan", "Kwan-Liu Ma" ]	[]	[]	[]
InfoVis	2,012	Visualizing Network Traffic to Understand the Performance of Massively Parallel Simulations	10.1109/TVCG.2012.286	The performance of massively parallel applications is often heavily impacted by the cost of communication among compute nodes. However, determining how to best use the network is a formidable task, made challenging by the ever increasing size and complexity of modern supercomputers. This paper applies visualization tec...	false	false	[ "Aaditya G. Landge", "Joshua A. Levine", "Abhinav Bhatele", "Katherine E. Isaacs", "Todd Gamblin", "Martin Schulz 0001", "Steve H. Langer", "Peer-Timo Bremer", "Valerio Pascucci" ]	[]	[]	[]
InfoVis	2,012	Visualizing Student Histories Using Clustering and Composition	10.1109/TVCG.2012.288	While intuitive time-series visualizations exist for common datasets, student course history data is difficult to represent using traditional visualization techniques due its concurrent nature. A visual composition process is developed and applied to reveal trends across various groupings. By working closely with educa...	false	false	[ "David Trimm", "Penny Rheingans", "Marie desJardins" ]	[]	[]	[]
InfoVis	2,012	Whisper: Tracing the Spatiotemporal Process of Information Diffusion in Real Time	10.1109/TVCG.2012.291	When and where is an idea dispersed? Social media, like Twitter, has been increasingly used for exchanging information, opinions and emotions about events that are happening across the world. Here we propose a novel visualization design, “Whisper”, for tracing the process of information diffusion in social media in rea...	false	false	[ "Nan Cao", "Yu-Ru Lin", "Xiaohua Sun", "David Lazer", "Shixia Liu", "Huamin Qu" ]	[]	[]	[]
EuroVis	2,012	A Design Study of Direct-Touch Interaction for Exploratory 3D Scientific Visualization	10.1111/j.1467-8659.2012.03115.x	We present an interaction design study of several non‐overlapping direct‐touch interaction widgets, postures, and bi‐manual techniques to support the needs of scientists who are exploring a dataset. The final interaction design supports navigation/zoom, cutting plane interaction, a drilling exploration, the placement o...	false	false	[ "Tijmen R. Klein", "Florimond Guéniat", "Luc Pastur", "Frédéric Vernier", "Tobias Isenberg 0001" ]	[]	[]	[]
EuroVis	2,012	A Qualitative Study on the Exploration of Temporal Changes in Flow Maps with Animation and Small-Multiples	10.1111/j.1467-8659.2012.03093.x	We present a qualitative user study analyzing findings made while exploring changes over time in spatial interactions. We analyzed findings made by the study participants with flow maps, one of the most popular representations of spatial interactions, using animation and small‐multiples as two alternative ways of repre...	false	false	[ "Ilya Boyandin", "Enrico Bertini", "Denis Lalanne" ]	[]	[]	[]
EuroVis	2,012	A Quantized Boundary Representation of 2D Flows	10.1111/j.1467-8659.2012.03087.x	Analysis and visualization of complex vector fields remain major challenges when studying large scale simulation of physical phenomena. The primary reason is the gap between the concepts of smooth vector field theory and their computational realization. In practice, researchers must choose between either numerical tech...	false	false	[ "Joshua A. Levine", "Shreeraj Jadhav", "Harsh Bhatia", "Valerio Pascucci", "Peer-Timo Bremer" ]	[]	[]	[]
EuroVis	2,012	A Taxonomy of Visual Cluster Separation Factors	10.1111/j.1467-8659.2012.03125.x	We provide two contributions, a taxonomy of visual cluster separation factors in scatterplots, and an in‐depth qualitative evaluation of two recently proposed and validated separation measures. We initially intended to use these measures to provide guidance for the use of dimension reduction (DR) techniques and visual ...	false	false	[ "Michael Sedlmair", "A. Tatu", "Tamara Munzner", "Melanie Tory" ]	[]	[]	[]
EuroVis	2,012	Automatic Stream Surface Seeding: A Feature Centered Approach	10.1111/j.1467-8659.2012.03102.x	The ability to capture and visualize information within the flow poses challenges for visualizing 3D flow fields. Stream surfaces are one of many useful integration based techniques for visualizing 3D flow. However seeding integral surfaces can be challenging. Previous research generally focuses on manual placement of ...	false	false	[ "Matt Edmunds", "Robert S. Laramee", "Rami Malki", "Ian Masters", "Nick Croft", "Guoning Chen", "Eugene Zhang" ]	[]	[]	[]
EuroVis	2,012	Automating Transfer Function Design with Valley Cell-Based Clustering of 2D Density Plots	10.1111/j.1467-8659.2012.03122.x	Two‐dimensional transfer functions are an effective and well‐accepted tool in volume classification. The design of them mostly depends on the user's experience and thus remains a challenge. Therefore, we present an approach in this paper to automate the transfer function design based on 2D density plots. By exploiting ...	false	false	[ "Yunhai Wang", "Jian Zhang 0070", "Dirk J. Lehmann", "Holger Theisel", "Xuebin Chi" ]	[]	[]	[]
EuroVis	2,012	Biopsy Planner - Visual Analysis for Needle Pathway Planning in Deep Seated Brain Tumor Biopsy	10.1111/j.1467-8659.2012.03101.x	Biopsies involve taking samples from living tissue using a biopsy needle. In current clinical practice they are a first mandatory step before any further medical actions are planned. Performing a biopsy on a deep seated brain tumor requires considerable time for establishing and validating the desired biopsy needle pat...	false	false	[ "Paul-Corneliu Herghelegiu", "Vasile-Ion Manta", "Radu Perin", "Stefan Bruckner", "M. Eduard Gröller" ]	[]	[]	[]
EuroVis	2,012	Comparative Evaluation of an Interactive Time-Series Visualization that Combines Quantitative Data with Qualitative Abstractions	10.1111/j.1467-8659.2012.03092.x	In many application areas, analysts have to make sense of large volumes of multivariate time‐series data. Explorative analysis of this kind of data is often difficult and overwhelming at the level of raw data. Temporal data abstraction reduces data complexity by deriving qualitative statements that reflect domain‐speci...	false	false	[ "Wolfgang Aigner", "Alexander Rind", "Stephan Hoffmann" ]	[]	[ "PW", "P", "D" ]	[ { "name": "Project Website", "url": "https://www.cvast.tuwien.ac.at/projects/semtimezoom", "icon": "project_website" }, { "name": "Paper Preprint", "url": "https://www.cvast.tuwien.ac.at/sites/default/files/bibcite/354/PubDat_207563.pdf", "icon": "paper" }, { "name": "Data", ...
EuroVis	2,012	Comparative Visual Analysis of 2D Function Ensembles	10.1111/j.1467-8659.2012.03112.x	In the development process of powertrain systems, 2D function ensembles frequently occur in the context of multi‐run simulations. An analysis has many facets, including distributions of extracted features, comparisons between ensemble members and target functions, and details‐on‐demand. The primary contribution of this...	false	false	[ "Harald Piringer", "Stephan Pajer", "Wolfgang Berger", "H. Teichmann" ]	[]	[]	[]
EuroVis	2,012	Computing Voronoi Treemaps: Faster, Simpler, and Resolution-independent	10.1111/j.1467-8659.2012.03078.x	Voronoi treemaps represent hierarchies as nested polygons. We here show that, contrary to the apparent popular belief, utilization of an algorithm for weighted Voronoi diagrams is not only feasible, but also more efficient than previous low‐resolution approximations, even when the latter are implemented on graphics har...	false	false	[ "Arlind Nocaj", "Ulrik Brandes" ]	[ "BP" ]	[]	[]
EuroVis	2,012	Conceptualizing Visual Uncertainty in Parallel Coordinates	10.1111/j.1467-8659.2012.03094.x	Uncertainty is an intrinsic part of any visual representation in visualization, no matter how precise the input data. Existing research on uncertainty in visualization mainly focuses on depicting data‐space uncertainty in a visual form. Uncertainty is thus often seen as a problem to deal with, in the data, and somethin...	false	false	[ "Aritra Dasgupta", "Min Chen 0001", "Robert Kosara" ]	[]	[]	[]
EuroVis	2,012	ConnectedCharts: Explicit Visualization of Relationships between Data Graphics	10.1111/j.1467-8659.2012.03121.x	Multidimensional multivariate data can be visualized using many different well‐known charts, such as bar charts, stacked bar charts, grouped bar charts, scatterplots, or pivot tables, or also using more advanced high‐dimensional techniques such as scatterplot matrices (SPLOMs) or parallel coordinate plots (PCPs). These...	false	false	[ "Christophe Viau", "Michael J. McGuffin" ]	[]	[]	[]
EuroVis	2,012	COVRA: A compression-domain output-sensitive volume rendering architecture based on a sparse representation of voxel blocks	10.1111/j.1467-8659.2012.03124.x	We present a novel multiresolution compression‐domain GPU volume rendering architecture designed for interactive local and networked exploration of rectilinear scalar volumes on commodity platforms. In our approach, the volume is decomposed into a multiresolution hierarchy of bricks. Each brick is further subdivided in...	false	false	[ "Enrico Gobbetti", "José Antonio Iglesias Guitián", "Fabio Marton" ]	[]	[]	[]
EuroVis	2,012	Document Thumbnails with Variable Text Scaling	10.1111/j.1467-8659.2012.03109.x	Document reader applications usually offer an overview of the layout for each page as thumbnail views. Reading the text in these becomes impossible when the font size becomes very small. We improve the readability of these thumbnails using a distortion method, which retains a readable font size of interesting text whil...	false	false	[ "Andreas Stoffel", "Hendrik Strobelt", "Oliver Deussen", "Daniel A. Keim" ]	[]	[]	[]
EuroVis	2,012	Drawing Large Graphs by Low-Rank Stress Majorization	10.1111/j.1467-8659.2012.03090.x	Optimizing a stress model is a natural technique for drawing graphs: one seeks an embedding into Rd which best preserves the induced graph metric. Current approaches to solving the stress model for a graph with \|𝒱\| nodes and \|ɛ\| edges require the full all‐pairs shortest paths (APSP) matrix, which takes O(\|𝒱\|2 log \|ɛ\|...	false	false	[ "Marc Khoury", "Yifan Hu 0001", "Shankar Krishnan", "Carlos Eduardo Scheidegger" ]	[]	[]	[]
EuroVis	2,012	Employing 2D Projections for Fast Visual Exploration of Large Fiber Tracking Data	10.1111/j.1467-8659.2012.03100.x	Fiber tracts detection is an increasingly common technology for diagnosis and also understanding of brain function. Although tools for tracing and presenting brain fibers are advanced, it is still difficult for physicians or students to explore the dataset in 3D due to their intricate topology. In this work we present ...	false	false	[ "Jorge Poco", "Danilo Medeiros Eler", "Fernando Vieira Paulovich", "Rosane Minghim" ]	[]	[]	[]
EuroVis	2,012	Graph Bundling by Kernel Density Estimation	10.1111/j.1467-8659.2012.03079.x	We present a fast and simple method to compute bundled layouts of general graphs. For this, we first transform a given graph drawing into a density map using kernel density estimation. Next, we apply an image sharpening technique which progressively merges local height maxima by moving the convolved graph edges into th...	false	false	[ "Christophe Hurter", "Ozan Ersoy", "Alexandru C. Telea" ]	[]	[]	[]
EuroVis	2,012	I-SI: Scalable Architecture for Analyzing Latent Topical-Level Information From Social Media Data	10.1111/j.1467-8659.2012.03120.x	We present a general visual analytics architecture that is designed and implemented to effectively analyze unstructured social media data on a large scale. Pipelined on a high‐performance cluster configuration, MPI processing, and interactive visual analytics interfaces, our architecture, I‐SI, closely integrates data‐...	false	false	[ "Xiaoyu Wang 0001", "Wenwen Dou", "Zhiqiang Ma 0004", "J. Villalobos", "Yang Chen", "Thomas Kraft", "William Ribarsky" ]	[]	[]	[]
EuroVis	2,012	Illustrative Membrane Clipping	10.1111/j.1467-8659.2012.03083.x	Clipping is a fast, common technique for resolving occlusions. It only requires simple interaction, is easily understandable, and thus has been very popular for volume exploration. However, a drawback of clipping is that the technique indiscriminately cuts through features. Illustrators, for example, consider the struc...	false	false	[ "Åsmund Birkeland", "Stefan Bruckner", "Andrea Brambilla", "Ivan Viola" ]	[]	[]	[]
EuroVis	2,012	Importance Driven Automatic Color Design for Direct Volume Rendering	10.1111/j.1467-8659.2012.03123.x	This paper introduces an automatic color design method that is driven by an importance function of the objects within a volumetric dataset. Our method allows the user to intuitively modify the object classification and the importance distribution function in the 2D rendered image. It automatically computes the transfer...	false	false	[ "Lei Wang 0024", "Arie E. Kaufman" ]	[]	[]	[]
EuroVis	2,012	Interactive Rendering of Materials and Biological Structures on Atomic and Nanoscopic Scale	10.1111/j.1467-8659.2012.03128.x	The properties of both inorganic and organic materials and the function of biological structures can often only be understood by analyzing them simultaneously on atomic and nanoscopic, if not mesoscopic, scale. Here, the problem arises to render millions to billions of atoms. We propose a method by which it is possible...	false	false	[ "Norbert Lindow", "Daniel Baum", "Hans-Christian Hege" ]	[]	[]	[]
EuroVis	2,012	Interactive Visualization of Generalized Virtual 3D City Models using Level-of-Abstraction Transitions	10.1111/j.1467-8659.2012.03081.x	Virtual 3D city models play an important role in the communication of complex geospatial information in a growing number of applications, such as urban planning, navigation, tourist information, and disaster management. In general, homogeneous graphic styles are used for visualization. For instance, photorealism is sui...	false	false	[ "Amir Semmo", "Matthias Trapp 0001", "Jan Eric Kyprianidis", "Jürgen Döllner" ]	[]	[]	[]

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