Now showing items 1-20 of 22

    • Ontology-Based Visualization of Hierarchical Neuroanatomical Structures 

      Kuß, Anja; Prohaska, Steffen; Meyer, Björn; Rybak, Jürgen; Hege, Hans-Christian (The Eurographics Association, 2008)
      This work presents a method for generating intuitive visualizations for high-level user queries to an hierarchical surface-based neuroanatomical atlas. We combine a spreading activation approach for computing focus and ...
    • Illustrated Ultrasound for Multimodal Data Interpretation of Liver Examinations 

      Viola, Ivan; Nylund, Kim; Øye, Ola Kristoffer; Ulvang, Dag Magne; Gilja, Odd Helge; Hauser, Helwig (The Eurographics Association, 2008)
      Traditional visualization of real-time 2D ultrasound data is difficult to interpret, even for experienced medical personnel. To make the interpretation during the education phase easier, we enhance the visualization during ...
    • An Integrated Platform for Dynamic Cardiac Simulation and Image Processing: Application to Personalised Tetralogy of Fallot Simulation 

      Toussaint, Nicolas; Mansi, T.; Delingette, H.; Ayache, N.; Sermesant, M. (The Eurographics Association, 2008)
      Processing and visualisation of dynamic data is still a common challenge in medical imaging, especially as for many applications there is an increasing amount of clinical data as well as generated data, such as in cardiac ...
    • Reconstruction of Blood Vessels from Neck CT Datasets using Stable 3D Mass-Spring Models 

      Dornheim, Jana; Lehmann, Dirk J.; Dornheim, Lars; Preim, Bernhard; Strauß, Gero (The Eurographics Association, 2008)
      Preoperative neck dissection planning benefits from a smooth, organic visualization of the main blood vessels of the neck, in particular the carotid artery and jugular vein. While most reconstruction techniques for vasculature ...
    • Computational Steering for Patient-Specific Implant Planning in Orthopedics 

      Dick, Christian; Georgii, Joachim; Burgkart, Rainer; Westermann, Rüdiger (The Eurographics Association, 2008)
      Fast and reliable methods for predicting and monitoring in-vivo bone strength are of great importance for hip joint replacement. To avoid adaptive remodeling with cortical thinning and increased porosity of the bone due ...
    • Computation and Visualization of Asynchronous Behavior of the Heart 

      Wesarg, Stefan; Lacalli, Christina (The Eurographics Association, 2008)
      Nowadays, computer-aided diagnosis is widely used in the analysis of cardiac image data. Especially, for the investigation of the dynamic behavior of the heart, automated analysis tools for 4D data sets have been developed. ...
    • Generation of a Mean Motion Model of the Lung Using 4D-CT Image Data 

      Ehrhardt, Jan; Werner, René; Richberg, Alexander Schmidt -; Schulz, Benny; Handels, Heinz (The Eurographics Association, 2008)
      Modeling of respiratory motion gains in importance within the field of radiation therapy of lung cancer patients. Current modeling approaches are usually confined to intra-patient registration of 3D image data representing ...
    • Glyph-Based Visualization of Myocardial Perfusion Data and Enhancement with Contractility and Viability Information 

      Oeltze, Steffen; Hennemuth, Anja; Glaßer, Sylvia; Kühnel, Caroline; Preim, Bernhard (The Eurographics Association, 2008)
      Perfusion data characterize the regional blood flow in human tissue. In the diagnosis of the Coronary Heart Disease, they are acquired to detect hypoperfused regions of the myocardium (heart muscle) at an early stage or ...
    • Focus + Context Rendering of Structured Biomedical Data 

      Abellán, Pascual; Puig, Anna; Tost, Dani (The Eurographics Association, 2008)
      Biomedical data can be classified according to different taxonomies. Understanding the relationships between different data categories is essential for an in-depth knowledge of the data. We present a volume rendering system ...
    • CT Late Enhancement Segmentation for the Combined Analysis of Coronary Arteries and Myocardial Viability 

      Hennemuth, Anja; Mahnken, Andreas; Kühnel, Caroline; Oeltze, Steffen; Peitgen, Heinz-Otto (The Eurographics Association, 2008)
      Non-invasive imaging techniques become more and more important as diagnostic tools for the assessment of coronary heart disease (CHD). While CT is widely applied for the inspection of the coronary arteries, the state of ...
    • Robust Classification and Analysis of Anatomical Surfaces Using 3D Skeletons 

      Reniers, Dennie; Jalba, Andrei; Telea, Alexandru (The Eurographics Association, 2008)
      We present a method for computing a surface classifier that can be used to detect convex ridges on voxel sur- faces extracted from 3D scans. In contrast to classical approaches based on (discrete) curvature computations, ...
    • Automatic Segmentation of the Pelvic Bones from CT Data Based on a Statistical Shape Model 

      Seim, Heiko; Kainmueller, Dagmar; Heller, Markus; Lamecker, Hans; Zachow, Stefan; Hege, Hans-Christian (The Eurographics Association, 2008)
      We present an algorithm for automatic segmentation of the human pelvic bones from CT datasets that is based on the application of a statistical shape model. The proposed method is divided into three steps: 1) The averaged ...
    • Automatic Hepatocyte Quantification from Histological Images: Comparing Pre-smoothing filters 

      Ivanovska, Tetyana; Schenk, Andrea; Dahmen, Uta; Hahn, Horst K.; Linsen, Lars (The Eurographics Association, 2008)
      Quantity of hepatocytes in the liver can reveal a lot of information for medical researchers. In our project, it is needed for evaluation of the liver regeneration rate. In this paper, we present a processing pipeline for ...
    • Information-based Transfer Functions for Multimodal Visualization 

      Haidacher, Martin; Bruckner, Stefan; Kanitsar, Armin; Gröller, M. Eduard (The Eurographics Association, 2008)
      Transfer functions are an essential part of volume visualization. In multimodal visualization at least two values exist at every sample point. Additionally, other parameters, such as gradient magnitude, are often retrieved ...
    • FluoroSim: A Visual Problem-Solving Environment for Fluorescence Microscopy 

      Quammen, Cory W.; Richardson, Alvin C.; Haase, Julian; Harrison, Benjamin D.; II, Russell M. Taylor; Bloom, Kerry S. (The Eurographics Association, 2008)
      Fluorescence microscopy provides a powerful method for localization of structures in biological specimens. However, aspects of the image formation process such as noise and blur from the microscope s point-spread function ...
    • Visual Analysis of Bipartite Biological Networks 

      Schulz, Hans-Jörg; John, Mathias; Unger, Andrea; Schumann, Heidrun (The Eurographics Association, 2008)
      In life sciences, the importance of complex network visualization is ever increasing. Yet, existing approaches for the visualization of networks are general purpose techniques that are often not suited to support the ...
    • Surface Curvature Line Clustering for Polyp Detection in CT Colonography 

      Zhao, Lingxiao; Ravesteijn, Vincent F. van; Botha, Charl P.; Truyen, Roel; Vos, Frans M.; Post, Frits H. (The Eurographics Association, 2008)
      Automatic polyp detection is a helpful addition to laborious visual inspection in CT colonography. Traditional detection methods are based on calculating image features at discrete positions on the colon wall. However ...
    • GPU Accelerated Normalized Mutual Information and B-Spline Transformation 

      Teßmann, Matthias; Eisenacher, Christian; Enders, Frank; Stamminger, Marc; Hastreiter, Peter (The Eurographics Association, 2008)
      Visualization of multimodal images in medicine and other application areas requires correct and efficient registration. Optimally, the alignment operation is made an integral part of the rendering process. Voxel based ...
    • High-Quality Multimodal Volume Visualization of Intracerebral Pathological Tissue 

      Rieder, Christian; Schwier, Michael; Hahn, Horst K.; Peitgen, Heinz-Otto (The Eurographics Association, 2008)
      Parallel visualization of multiple MRI sequences in 2D is a standard method for exploration of pathological structures for neurosurgery planning. In this work our aim is to support visualization techniques that allow medical ...
    • Fully Automatic Skull-Stripping in 3D Time-of-Flight MRA Image Sequences 

      Forkert, Nils Daniel; Säring, Dennis; Fiehler, Jens; Illies, Till; Färber, Matthias; Möller, Dietmar; Handels, Heinz (The Eurographics Association, 2008)
      In this paper we present a robust skull-stripping method for the isolation of cerebral tissue in 3D Time-of-Flight (TOF) magnetic resonance angiographic images of the brain. 3D TOF images are often acquired in case of ...