Evolutionary Pathlines for Blood Flow Exploration in Cerebral Aneurysms (Unknown language)

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Blood flow simulations play an important role for the understanding of vascular diseases, such as aneurysms. However, analysis of the resulting flow patterns, especially comparisons across patient groups, are challenging. Typically, the hemodynamic analysis relies on trial and error inspection of the flow data based on pathline visualizations and surface renderings. Visualizing too many pathlines at once may obstruct interesting features, e.g., embedded vortices, whereas with too little pathlines, particularities such as flow characteristics in aneurysm blebs might be missed. While filtering and clustering techniques support this task, they require the pre-computation of pathlines densely sampled in the space-time domain. Not only does this become prohibitively expensive for large patient groups, but the results often suffer from undersampling artifacts. In this work, we propose the usage of evolutionary algorithms to reduce the overhead of computing pathlines that do not contribute to the analysis, while simultaneously reducing the undersampling artifacts. Integrated in an interactive framework, it efficiently supports the evaluation of hemodynamics for clinical research and treatment planning in case of cerebral aneurysms. The specification of general optimization criteria for entire patient groups allows the blood flow data to be batch-processed. We present clinical cases to demonstrate the benefits of our approach especially in presence of aneurysm blebs. Furthermore, we conducted an evaluation with four expert neuroradiologists. As a result, we report advantages of our method for treatment planning to underpin its clinical potential.

Table of contents conference proceedings

The table of contents of the conference proceedings is generated automatically, so it can be incomplete, although all articles are available in the TIB.

1
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11
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17
Colonic Content Assessment from MRI Imaging Using a Semi-automatic Approach
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27
A Web-based Application for the Visual Exploration of Colon Morphology Data
Males, Jan / Monclús, Eva / Díaz, Jose / Vázquez, Pere-Pau | 2019
33
Interactive Formation of Statistical Hypotheses in Diffusion Tensor Imaging
Abbasloo, Amin / Wiens, Vitalis / Schmidt-Wilcke, Tobias / Sundgren, Pia / Klein, Reinhard / Schultz, Thomas | 2019
45
Semantic Segmentation of Brain Tumors in MRI Data Without any Labels
Weninger, Leon / Krauhausen, Imke / Merhof, Dorit | 2019
51
Feasibility Study For Automatic Bird Tracking and Visualization from Time-Dependent Marine Radar Imagery
Ganglberger, Florian / Bühler, Katja | 2019
57
A Visual Environment for Hypothesis Formation and Reasoning in Studies with fMRI and Multivariate Clinical Data
Jönsson, Daniel / Bergström, Albin / Forsell, Camilla / Simon, Rozalyn / Engström, Maria / Ynnerman, Anders / Hotz, Ingrid | 2019
69
Pelvis Runner: Visualizing Pelvic Organ Variability in a Cohort of Radiotherapy Patients
Grossmann, Nicolas / Casares-Magaz, Oscar / Muren, Ludvig Paul / Moiseenko, Vitali / Einck, John P. / Gröller, Eduard / Raidou, Renata Georgia | 2019
79
preha: Establishing Precision Rehabilitation with Visual Analytics
Bernold, Georg / Matkovic, Kresimir / Gröller, Eduard / Raidou, Renata Georgia | 2019
91
A Visual Analytics Approach for Patient Stratification and Biomarker Discovery
Alemzadeh, Shiva / Kromp, Florian / Preim, Bernhard / Taschner-Mandl, Sabine / Bühler, Katja | 2019
97
MedUse: A Visual Analysis Tool for Medication Use Data in the ABCD Study
Bartsch, Hauke / Garrison, Laura / Bruckner, Stefan / Wang, Ariel / Tapert, Susan F. / Grüner, Renate | 2019
103
Interactive Exploded Views for Molecular Structures
Sbardellati, Maximilian / Miao, Haichao / Wu, Hsiang-Yun / Gröller, Eduard / Barisic, Ivan / Viola, Ivan | 2019
113
DockVis: Visual Analysis of Molecular Docking Data
Furmanová, Katarína / Kozlíková, Barbora / Vonásek, Vojtěch / Byška, Jan | 2019
123
Layer-Aware iOCT Volume Rendering for Retinal Surgery
Weiss, Jakob / Eck, Ulrich / Nasseri, Muhamad Ali / Maier, Mathias / Eslami, Abouzar / Navab, Nassir | 2019
129
Visual Analytics in Digital Pathology: Challenges and Opportunities
Corvò, Alberto / Westenberg, Michel A. / Wimberger-Friedl, Reinhold / Fromme, Stephan / Peeters, Michel M. R. / Driel, Marc A. van / Wijk, Jarke J. van | 2019
145
Medical Animations: A Survey and a Research Agenda
Preim, Bernhard / Meuschke, Monique | 2019
165
Using Position-Based Dynamics for Simulating the Mitral Valve in a Decision Support System
Walczak, Lars / Georgii, Joachim / Tautz, Lennart / Neugebauer, Mathias / Wamala, Isaac / Sündermann, Simon / Falk, Volkmar / Hennemuth, Anja | 2019
177
InkVis: A High-Particle-Count Approach for Visualization of Phase-Contrast Magnetic Resonance Imaging Data
Hoon, Niels H. L. C. de / Lawonn, Kai / Jalba, Andrei C. / Eisemann, Elmar / Vilanova, Anna | 2019
189
Robustness Evaluation of CFD Simulations to Mesh Deformation
Scheid-Rehder, Alexander / Lawonn, Kai / Meuschke, Monique | 2019
201
The Vitruvian Baby: Interactive Reformation of Fetal Ultrasound Data to a T-Position
Mörth, Eric / Raidou, Renata Georgia / Viola, Ivan / Smit, Noeska N. | 2019
207
HIFUpm: a Visual Environment to Plan and Monitor High Intensity Focused Ultrasound Treatments
Modena, Daniela / Bassano, Davide / Elevelt, Aaldert / Baragona, Marco / Hilbers, Peter A. J. / Westenberg, Michel A. | 2019
213
Hybrid Visualization of Protein-Lipid and Protein-Protein Interaction
Alharbi, Naif / Krone, Michael / Chavent, Matthieu / Laramee, Robert S. | 2019
225
Molecular Sombreros: Abstract Visualization of Binding Sites within Proteins
Schatz, Karsten / Krone, Michael / Bauer, Tabea L. / Ferrario, Valerio / Pleiss, Jürgen / Ertl, Thomas | 2019
239
Interactive CPU-based Ray Tracing of Solvent Excluded Surfaces
Rau, Tobias / Zahn, Sebastian / Krone, Michael / Reina, Guido / Ertl, Thomas | 2019
253
Evolutionary Pathlines for Blood Flow Exploration in Cerebral Aneurysms
Behrendt, Benjamin / Engelke, Wito / Berg, Philipp / Beuing, Oliver / Preim, Bernhard / Hotz, Ingrid / Saalfeld, Sylvia | 2019
265
Distance Field Visualization and 2D Abstraction of Vessel Tree Structures with on-the-fly Parameterization
Lichtenberg, Nils / Krayer, Bastian / Hansen, Christian / Müller, Stefan / Lawonn, Kai | 2019