Search For:

Displaying 1-50 out of 113 total
Exploiting Frame-to-Frame Coherence for Accelerating High-Quality Volume Raycasting on Graphics Hardware
Found in: Visualization Conference, IEEE
By Thomas Klein, Magnus Strengert, Simon Stegmaier, Thomas Ertl
Issue Date:October 2005
pp. 29
GPU-based raycasting offers an interesting alternative to conventional slice-based volume rendering due to the inherent flexibility and the high quality of the generated images. Recent advances in graphics hardware allow for the ray traversal and volume sa...
 
Explanatory and Illustrative Visualization of Special and General Relativity
Found in: IEEE Transactions on Visualization and Computer Graphics
By Daniel Weiskopf, Marc Borchers, Thomas Ertl, Martin Falk, Oliver Fechtig, Regine Frank, Frank Grave, Andreas King, Ute Kraus, Thomas Müller, Hans-Peter Nollert, Isabel Rica Mendez, Hanns Ruder, Tobias Schafhitzel, Sonja Schär, Corvin Zahn, Mi
Issue Date:July 2006
pp. 522-534
<p><b>Abstract</b>—This paper describes methods for explanatory and illustrative visualizations used to communicate aspects of Einstein's theories of special and general relativity, their geometric structure, and of the related fields of ...
 
Visualization in the Einstein Year 2005: A Case Study on Explanatory and Illustrative Visualization of Relativity and Astrophysics
Found in: Visualization Conference, IEEE
By Daniel Weiskopf, Marc Borchers, Thomas Ertl, Martin Falk, Oliver Fechtig, Regine Frank, Frank Grave, Andreas King, Ute Kraus, Thomas Muller, Hans-Peter Nollert, Isabel Rica Mendez, Hanns Ruder, Corvin Zahn, Michael Zatloukal, Tobias Schafhitzel, Sonja Scha
Issue Date:October 2005
pp. 74
In this application paper, we report on over fifteen years of experience with relativistic and astrophysical visualization, which has been culminating in a substantial engagement for visualization in the Einstein Year 2005 - the 100th anniversary of Einste...
 
A Volume Rendering Extension for the OpenSG Scene Graph API
Found in: Visualization Conference, IEEE
By Thomas Klein, Manfred Weiler, Thomas Ertl
Issue Date:October 2003
pp. 95
No summary available.
   
Hardware-Based View-Independent Cell Projection
Found in: Volume Visualization and Graphics, IEEE Symposium on
By Manfred Weiler, Martin Kraus, Thomas Ertl
Issue Date:October 2002
pp. 13-22
We present the first, view-independent cell projection algorithm for off-the-shelf programmable graphics hardware. Our implementation performs all computations for the projection and scan conversion of a set of tetrahedra on the graphics hardware and is th...
 
Incorporating Modern OpenGL into Computer Graphics Education
Found in: IEEE Computer Graphics and Applications
By Guido Reina,Thomas Muller,Thomas Ertl
Issue Date:July 2014
pp. 16-21
University of Stuttgart educators have updated three computer science courses to incorporate forward-compatible OpenGL. To help students, they developed an educational framework that abstracts some of modern OpenGL's difficult aspects.
 
Visual Analysis of Dynamic Protein Cavities and Binding Sites
Found in: 2014 IEEE Pacific Visualization Symposium (PacificVis)
By Michael Krone,Daniel Kauker,Guido Reina,Thomas Ertl
Issue Date:March 2014
pp. 301-305
We present a visual analysis application for protein simulations that allows researchers to investigate dynamic data interactively. Special focus lies on the analysis of cavities and binding sites, which play a critical role in protein function. Cavities a...
 
ScatterBlogs2: Real-Time Monitoring of Microblog Messages through User-Guided Filtering
Found in: IEEE Transactions on Visualization and Computer Graphics
By Harald Bosch,Dennis Thom,Florian Heimerl,Edwin Puttmann,Steffen Koch,Robert Kruger,Michael Worner,Thomas Ertl
Issue Date:December 2013
pp. 2022-2031
The number of microblog posts published daily has reached a level that hampers the effective retrieval of relevant messages, and the amount of information conveyed through services such as Twitter is still increasing. Analysts require new methods for monit...
 
From Data Analysis and Visualization to Causality Discovery
Found in: Computer
By Min Chen,Anne Trefethen,René Bañares-Alcántara,Marina Jirotka,Bob Coecke,Thomas Ertl,Albrecht Schmidt
Issue Date:October 2011
pp. 84-87
As data becomes invisible, emerging technologies can help human analysts and decision makers understand, model, and visualize causal relationships.
 
Editorial: EIC Farewell and New EIC Introduction
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:March 2011
pp. 261-262
No summary available.
 
Message from the Editor-in-Chief
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:November 2010
pp. x-x
No summary available.
   
Iterative Integration of Visual Insights during Scalable Patent Search and Analysis
Found in: IEEE Transactions on Visualization and Computer Graphics
By Steffen Koch, Harald Bosch, Mark Giereth, Thomas Ertl
Issue Date:May 2011
pp. 557-569
Patents are of growing importance in current economic markets. Analyzing patent information has, therefore, become a common task for many interest groups. As a prerequisite for patent analysis, extensive search for relevant patent information is essential....
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:July 2010
pp. 529-530
No summary available.
 
Guest Editor's Introduction: Special Section on the IEEE Symposium on Visual Analytics Science and Technology (VAST)
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:March 2010
pp. 177
No summary available.
 
Editor’s Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:September 2009
pp. 707-708
Introduction new associate editors
 
Action-Based Multifield Video Visualization
Found in: IEEE Transactions on Visualization and Computer Graphics
By Ralf P. Botchen, Sven Bachthaler, Fabian Schick, Min Chen, Greg Mori, Daniel Weiskopf, Thomas Ertl
Issue Date:July 2008
pp. 885-899
One challenge in video processing is to detect actions and events, known or unknown, in video streams dynamically. This paper proposes a visualization solution, where a video stream is depicted as a series of snapshots at a relatively sparse interval, and ...
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:March 2008
pp. 245
No summary available.
   
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:September 2007
pp. 849-850
No summary available.
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:May 2007
pp. 417-419
No summary available.
 
Editorial: A Message from the New Editor-in-Chief
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:January 2007
pp. 2
No summary available.
 
Visual Signatures in Video Visualization
Found in: IEEE Transactions on Visualization and Computer Graphics
By Min Chen,Ralf Botchen,Rudy Hashim,Daniel Weiskopf,Thomas Ertl,Ian Thornton
Issue Date:September 2006
pp. 1093-1100
Video visualization is a computation process that extracts meaningful information from original video data sets and conveys the extracted information to users in appropriate visual representations. This paper presents a broad treatment of the subject, foll...
 
Visual Analysis of Movement Behavior Using Web Data for Context Enrichment
Found in: 2014 IEEE Pacific Visualization Symposium (PacificVis)
By Robert Krueger,Dennis Thom,Thomas Ertl
Issue Date:March 2014
pp. 193-200
With increasing use of GPS devices more and more location-based information is accessible. Thus not only more movements of people are tracked but also POI (point of interest) information becomes available in increasing geo-spatial density. To enable analys...
 
Strategies for Fault-Tolerant Distributed Visualization
Found in: 2014 IEEE Pacific Visualization Symposium (PacificVis)
By Alexandros Panagiotidis,Guido Reina,Thomas Ertl
Issue Date:March 2014
pp. 286-290
As systems grow at an increasing pace to keep up with the demand for larger data and ever more detailed simulations, failures also occur more frequently on various levels. Traditionally, fault tolerance for visualization is either disregarded due to perfor...
 
Introduction to Visualization and Analytics for Decision Support, Operational Management, and Scientific Discovery Minitrack
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By David S. Ebert,Thomas Ertl,Kelly Gaither
Issue Date:January 2014
pp. 1353
The topic of this minitrack will have applications in a broad range of situations where human expertise must be brought to bear on problems characterized by massive datasets and data that are uncertain in fact, relevance, location in space and position in ...
   
Word Cloud Explorer: Text Analytics Based on Word Clouds
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By Florian Heimerl,Steffen Lohmann,Simon Lange,Thomas Ertl
Issue Date:January 2014
pp. 1833-1842
Word clouds have emerged as a straightforward and visually appealing visualization method for text. They are used in various contexts as a means to provide an overview by distilling text down to those words that appear with highest frequency. Typically, th...
   
Using Large Scale Aggregated Knowledge for Social Media Location Discovery
Found in: 2014 47th Hawaii International Conference on System Sciences (HICSS)
By Dennis Thom,Harald Bosch,Robert Krueger,Thomas Ertl
Issue Date:January 2014
pp. 1464-1473
Geospatial analysis of location-enabled social media networks can be utilized to generate vital insights in areas where situational awareness is important, such as disaster prevention and crisis response. However, several recent approaches struggle under t...
   
2012 IEEE Visualization Contest Winner: Visualizing Polarization Domains in Barium Titanate
Found in: IEEE Computer Graphics and Applications
By Katrin Scharnowski,Michael Krone,Filip Sadlo,Philipp Beck,Johannes Roth,Hans-Rainer Trebin,Thomas Ertl
Issue Date:September 2013
pp. 9-17
The winners of the 2012 IEEE Visualization Contest combined methods from molecular, flow, and scalar data visualization to reveal the characteristics and processes in the contest data. Because the simulated material didn't behave according to theory from t...
 
Explorable Volumetric Depth Images from Raycasting
Found in: 2013 XXVI SIBGRAPI - Conference on Graphics, Patterns and Images (SIBGRAPI)
By Steffen Frey,Filip Sadlo,Thomas Ertl
Issue Date:August 2013
pp. 123-130
View-dependent image-based rendering techniques have become increasingly popular as they combine the high quality of images with the explorability of interactive techniques. However, in the context of volume rendering, previous approaches suffer from vario...
 
Visual Document Retrieval: Supporting Text Search and Analysis with Visual Analytics
Found in: Computing in Science & Engineering
By Steffen Koch,Florian Heimerl,Thomas Ertl
Issue Date:July 2013
pp. 66-74
An interactive method combines visualization and machine learning to improve complex document retrieval tasks.
 
Thematic Patterns in Georeferenced Tweets through Space-Time Visual Analytics
Found in: Computing in Science & Engineering
By Gennady Andrienko,Natalia Andrienko,Harald Bosch,Thomas Ertl,Georg Fuchs,Piotr Jankowski,Dennis Thom
Issue Date:May 2013
pp. 72-82
An exploratory study of the potential of georeferenced Twitter data (using tweets from Seattle-area residents over a two-month period) extracts knowledge about people's everyday life.
 
Dye-Based Flow Visualization
Found in: Computing in Science & Engineering
By Grzegorz K. Karch,Filip Sadlo,Daniel Weiskopf,Charles D. Hansen,Guo-Shi Li,Thomas Ertl
Issue Date:November 2012
pp. 80-86
Computational dye advection helps engineers understand fluid dynamics simulations by providing interactive tools that mimic physical experiments.
 
HIVEBEAT — A highly interactive visualization environment for broad-scale exploratory analysis and tracing: VAST 2012 Mini Challenge 1 award: Honorable mention for comprehensive visualization suite
Found in: 2012 IEEE Conference on Visual Analytics Science and Technology (VAST)
By Robert Kruger,Harald Bosch,Steffen Koch,Christoph Muller,Guido Reina,Dennis Thom,Thomas Ertl
Issue Date:October 2012
pp. 277-278
The VAST Challenge 2012 deals with large data network analysis. The challenge scenario is centered around the computer network of the fictitious Bank of Money (BoM). BoM operates 888,977 computers which are geographically distributed on a fictitious landma...
 
Spatiotemporal social media analytics for abnormal event detection and examination using seasonal-trend decomposition
Found in: 2012 IEEE Conference on Visual Analytics Science and Technology (VAST)
By Junghoon Chae,Dennis Thom,Harald Bosch,Yun Jang,Ross Maciejewski,David S. Ebert,Thomas Ertl
Issue Date:October 2012
pp. 143-152
Recent advances in technology have enabled social media services to support space-time indexed data, and internet users from all over the world have created a large volume of time-stamped, geo-located data. Such spatiotemporal data has immense value for in...
 
Distributed Computation and Large-Scale Visualization in Heterogeneous Compute Environments
Found in: 2012 11th International Symposium on Parallel and Distributed Computing (ISPDC)
By Alexandros Panagiotidis,Daniel Kauker,Filip Sadlo,Thomas Ertl
Issue Date:June 2012
pp. 87-94
High performance computing still typically disregards heterogeneous environments and focuses on homogeneous clusters. While providing advantages and easing development, this fails to address the recent change toward heterogeneous computing infrastructure. ...
 
Rule-based transformation of map data
Found in: Pervasive Computing and Communications Workshops, IEEE International Conference on
By Bernhard Schmitz,Thomas Ertl
Issue Date:March 2012
pp. 578-583
The use of map data is often limited by the specific format and level of detail in which it is stored. We present a method that uses rule-based two dimensional scripting to enhance map data according to individual requirements of the application or the use...
 
SIMT Microscheduling: Reducing Thread Stalling in Divergent Iterative Algorithms
Found in: Parallel, Distributed, and Network-Based Processing, Euromicro Conference on
By Steffen Frey,Guido Reina,Thomas Ertl
Issue Date:February 2012
pp. 399-406
The global scheduler of a current GPU distributes thread blocks to symmetric multiprocessors (SM), which schedule threads for execution with the granularity of a warp. Threads in a warp execute the same code path in lockstep, which potentially leads to a l...
 
Spatiotemporal anomaly detection through visual analysis of geolocated Twitter messages
Found in: Visualization Symposium, IEEE Pacific
By Dennis Thom,Harald Bosch,Steffen Koch,Michael Worner,Thomas Ertl
Issue Date:March 2012
pp. 41-48
Analyzing message streams from social blogging services such as Twitter is a challenging task because of the vast number of documents that are produced daily. At the same time, the availability of geolocated, realtime, and manually created status updates a...
 
Object-space ambient occlusion for molecular dynamics
Found in: Visualization Symposium, IEEE Pacific
By Sebastian Grottel,Michael Krone,Katrin Scharnowski,Thomas Ertl
Issue Date:March 2012
pp. 209-216
In many different application fields particle-based simulation, like molecular dynamics, are used to study material properties and behavior. Nowadays, simulation data sets consist of millions of particles and thousands of time steps challenging interactive...
 
Visualization of Cell-Based Higher-Order Fields
Found in: Computing in Science and Engineering
By Filip Sadlo, Markus Uffinger, Christian Pagot, Daniel Osmari, João Comba, Thomas Ertl, Claus-Dieter Munz, Daniel Weiskopf
Issue Date:May 2011
pp. 84-91
<p>Direct visualization of higher-order data avoids the error and overhead introduced by the widely used resampling approach.</p>
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:February 2011
pp. 129
No summary available.
 
Memory Saving Discrete Fourier Transform on GPUs
Found in: Computer and Information Technology, International Conference on
By Daniel Kauker, Harald Sanftmann, Steffen Frey, Thomas Ertl
Issue Date:July 2010
pp. 1152-1157
This paper will show an alternative method to compute the two-dimensional Discrete Fourier Transform. While current GPU Fourier transform libraries need a large buffer for storing intermediate results, our method can compute the same output with far less m...
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:January 2010
pp. 1
No summary available.
 
Interactive Visualization of Molecular Surface Dynamics
Found in: IEEE Transactions on Visualization and Computer Graphics
By Michael Krone, Katrin Bidmon, Thomas Ertl
Issue Date:November 2009
pp. 1391-1398
Molecular dynamics simulations of proteins play a growing role in various fields such as pharmaceutical, biochemical and medical research. Accordingly, the need for high quality visualization of these protein systems raises. Highly interactive visualizatio...
 
Visualization of signal transduction processes in the crowded environment of the cell
Found in: Visualization Symposium, IEEE Pacific
By Martin Falk, Michael Klann, Matthias Reuss, Thomas Ertl
Issue Date:April 2009
pp. 169-176
In this paper, we propose a stochastic simulation to model and analyze cellular signal transduction. The high number of objects in a simulation requires advanced visualization techniques: first to handle the large data sets, second to support the human per...
 
Editor's Note
Found in: IEEE Transactions on Visualization and Computer Graphics
By Thomas Ertl
Issue Date:January 2009
pp. 1-3
No summary available.
 
A Compute Unified System Architecture for Graphics Clusters Incorporating Data Locality
Found in: IEEE Transactions on Visualization and Computer Graphics
By Christoph Müller, Steffen Frey, Magnus Strengert, Carsten Dachsbacher, Thomas Ertl
Issue Date:July 2009
pp. 605-617
We present a development environment for distributed GPU computing targeted for multi-GPU systems, as well as graphics clusters. Our system is based on CUDA and logically extends its parallel programming model for graphics processors to higher levels of pa...
 
Dynamic Shader Generation for GPU-Based Multi-Volume Ray Casting
Found in: IEEE Computer Graphics and Applications
By Friedemann Rößler, Ralf P. Botchen, Thomas Ertl
Issue Date:September 2008
pp. 66-77
Real-time performance for rendering multiple intersecting volumetric objects requires the speed and flexibility of modern GPUs. This requirement has restricted programming of the necessary shaders to GPU experts only. A visualization system that dynamicall...
 
Visualization Enhanced Semantic Wikis for Patent Information
Found in: Information Visualisation, International Conference on
By Mark Giereth, Thomas Ertl
Issue Date:July 2008
pp. 185-190
In this paper we present a new approach for using semantic wikis for collaborative patent search and annotation. We describe an extension that allows integrating interactive visualizations into semantic wikis for getting deeper insights into the classifica...
 
Design Patterns for Rapid Visualization Prototyping
Found in: Information Visualisation, International Conference on
By Mark Giereth, Thomas Ertl
Issue Date:July 2008
pp. 569-574
In this paper we present three software design patterns for rapid prototyping of information visualization applications. The first pattern describes a mapping of object oriented models to relational data tables used in many visualization frameworks. The se...
 
Robust and Adaptive Surface Reconstruction using Partition of Unity Implicits
Found in: Graphics, Patterns and Images, SIBGRAPI Conference on
By Joao Paulo Gois, Valdecir Polizelli-Junior, Tiago Etiene, Eduardo Tejada, Antonio Castelo, Thomas Ertl, Luis Gustavo Nonato
Issue Date:October 2007
pp. 95-104
Implicit surface reconstruction from unorganized point sets has been recently approached with methods based on multi-level partition of unity. We improve this approach by addressing local approximation robustness and iso-surface extraction issues. Our meth...
 
 1  2 Next >>