7,649 Works

Realtime Simulation of Stiff Threads Using Large Timesteps

Nathan Hüsken
Workshop in Virtual Reality Interactions and Physical Simulation "VRIPHYS" (2011)

A Mixed Approach for the Evaluation of a Guided Exploratory Visualization System

Nadia Boukhelifa, Anastasia Bezerianos & Evelyne Lutton
We summarise and reflect upon our experience in evaluating a guided exploratory visualization system. Our system guides users in their exploration of multidimensional datasets to pertinent views of their data, where the notion of pertinence is defined by automatic indicators, such as the amount of visual patterns in the view, and subjective user feedback obtained during their interaction with the tool. To evaluate this type of system, we argue for deploying a collection of validation...

Hierarchical Poisson-Disk Sampling for Fiber Stipples

Mario Hlawitschka, Mathias Goldau, Alexander Wiebel, Christian Heine & Gerik Scheuermann
Visualization in Medicine and Life Sciences

A Packed Memory Array to Keep Moving Particles Sorted

Marie Durand, Bruno Raffin & François Faure
Workshop on Virtual Reality Interaction and Physical Simulation

Exploration of 3D Medical Image Data for Interventional Radiology using Myoelectric Gesture Control

Julian Hettig, André Mewes, Oleksandr Riabikin, Martin Skalej, Bernhard Preim & Christian Hansen
Human-computer interaction with medical images in a sterile environment is a challenging task. It is often delegated to an assistant or performed directly by the physician with an interaction device wrapped in a sterile plastic sheath. This process is time-consuming and inefficient. To address this challenge, we introduce a gesture-based interface for a medical image viewer that is completely touchlessly controlled by the Myo Gesture Control Armband (Thalmic Labs). Based on a clinical requirement analysis,...

Accelerated Diffusion Operators for Enhancing DW-MRI

Paulo Rodrigues, Remco Duits, Bart M. Ter Haar Romeny & Anna Vilanova
Eurographics Workshop on Visual Computing for Biology and Medicine

Coarse Pixel Shading

Karthik Vaidyanathan, Marco Salvi, Robert Toth, Tim Foley, Tomas Akenine-Möller, Jim Nilsson, Jacob Munkberg, Jon Hasselgren, Masamichi Sugihara, Petrik Clarberg, Tomasz Janczak & Aaron Lefohn
Eurographics/ ACM SIGGRAPH Symposium on High Performance Graphics

The Virtual Showcase as a new Platform for Augmented Reality Digital Storytelling ve

Oliver Bimber, L. Miguel Encarnação & Dieter Schmalstieg
In this paper we discuss a case study for which we applied a customized augmented reality display - the Virtual Showcase - as a new platform for digital storytelling. Different storytelling components are identified and examples for their specific realization are explained. Our case study focuses on communicating scientific information to a novice audience in a museum context. Addressing first user feedback, we describe our current efforts of improvement.

Low Cost Recovery of Spectral Power Distributions

Sara Alvarez, Lara Presa, Timo Kunkel & Belen Masia
Spanish Computer Graphics Conference (CEIG)

An Aliasing Theory of Shadow Mapping

Fan Zhang, Chong Zhao & Hanqiu Sun
Theory and Practice of Computer Graphics

Approximation Techniques for High Performance Texture Mapping

Mehmet Demirer & Richard L. Grimsdale
Tenth Eurographics Workshop on Graphics Hardware

New Approaches for Particle Tracing on Sparse Grids

Christian Teitzel & Thomas Ertl
Flow visualization tools based on particle methods continue to be an important utility of flow simulation. Additionally, sparse grids are of increasing interest in numerical simulations. In [14] we presented the advontages of particle tracing on uniform sparse grids. Here we present and compare two different approaches to accelerate particle tracing on sparse grids. Furthermore, a new approach is presented in order to perform particle tracing on curvilinear sparse grids. The method for curvilinear sparse...

Pattern Search in Flows based on Similarity of Stream Line Segments

Zhongjie Wang, Janick Martinez Esturo, Hans-Peter Seidel & Tino Weinkauf
Vision, Modeling & Visualization

Interactive SPH Simulation and Rendering on the GPU

Prashant Goswami, Philipp Schlegel, Barbara Solenthaler & Renato Pajarola
Eurographics/ ACM SIGGRAPH Symposium on Computer Animation

Técnicas Multirresolución para Visualización de Información Vectorial 3D en SIG

Rafael Gaitán, Javier Lluch, Francisco Abad & M. Carmen Juan
CEIG 09 - Congreso Espanol de Informatica Grafica

Interactive Creation of Virtual Worlds Using Procedural Sketching

Ruben M. Smelik, Tim Tutenel, Klaas Jan De Kraker & Rafael Bidarra
Eurographics 2010 - Short Papers

Survey of Labeling Techniques in Medical Visualizations

Steffen Oeltze-Jafra & Bernhard Preim
Eurographics Workshop on Visual Computing for Biology and Medicine

Visual Exploration of the European Red List

Stefan Jänicke
The European Red List gives an overview of animal and plant species that are threatened with extinction at the European level. Currently, only prefabricated charts and standard mapping tools are provided to analyze the statuses of threatened species in a visual form. This paper provides a series of visual interfaces that support the construction of dynamic queries, thus, offering new capabilities to investigate geospatial, species-related features and developments. The major goals are to better inform...

SOAViz: Visualization for Portable X-ray Fluorescence Soil Profiles

Vung Pham & Tommy Dang
The soil is an essential element of life. It is where people grow plants for food, fibers, and other materials. It also helps to filter water and recycles wastes. Therefore, understanding soil physical/chemical characteristics and structural aggregation are of vital importance. In this project, we work closely with the soil scientists to develop a visualization solution to the rapidly gaining favor approach to soil horizon analysis using Portable X-ray Fluorescence (pXRF) devices. Our visualization, called...

RedSeaAtlas: A Visual Analytics Tool for Spatio-temporal Multivariate Data of the Red Sea

Shehzad Afzal, Sohaib Ghani, Garth Tissington, Sabique Langodan, Hari Prasad Dasari, Dionysios Raitsos, John Gittings, Tahira Jamil, Madhusudhanan Srinivasan & Ibrahim Hoteit
Interactive visualizations play an essential role in supporting the analysis tasks of ocean and atmospheric scientists working on a variety of simulation models and observational datasets. Designing visual analytics systems intended for addressing problems in the ocean and atmospheric domain require careful task analysis of the requirements of domain experts and scientists, and understanding their analysis workflows. This paper explores the design of a visual analytics tool (RedSeaAtlas) based on meetings and interviews with domain...

Leveraging Lagrangian Analysis for Discriminating Nutrient Origins

Soumya Dutta, Riley X. Brady, Mathew E. Maltrud, Philip J. Wolfram & Roxana Bujack
Understanding the origins of nutrients, e.g., nitrate, in ocean water is essential to develop an effective mariculture technique for free-floating macroalgae, which presents a potential solution to provide an alternative source of domestic renewable fuels to help reduce carbon emissions from automobiles. To study this problem, scientists simulate large-scale computational simulations with coupled flow and nutrient information. Since running the simulation multiple times is expensive, the scientists want to have efficient visual-analytic techniques that can...

Topology-based Feature Detection in Climate Data

Christopher P. Kappe, Michael Böttinger & Heike Leitte
The weather and climate research community needs to analyze increasingly large datasets, mostly obtained by observations or produced by simulations. Ensemble simulation techniques, which are used to capture uncertainty, add a further dimension to the multivariate time-dependent 3D data, even tightening the challenge of finding relevant information in the data for answering the respective research questions. In this paper we propose a topology-based method to support the visual analysis of climate data by detecting regions...

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