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Modeling and Visualization of Cardiovascular Systems

Thomas Wischgoll, Marc Herbstritt
2010 Dagstuhl Publications  
extend an existing model up to the visualization of the resulting large-scale vascular models.  ...  This paper describes the different steps that are necessary for creating and visualizing such a vascular model, ranging from determining a basic geometric model, gathering statistical data necessary to  ...  Ghassan Kassab for a fruitful collaboration and providing the data sets.  ... 
doi:10.4230/dfu.sciviz.2010.210 dblp:conf/dagstuhl/Wischgoll10 fatcat:z7fvfniwl5h6fjq4w5lzx37vri

High Precision Implicit modeling for Patient-specific Coronary Arteries

Qingqi Hong, Qingde Li, Beizhan Wang, Kunhong Liu, Quan Qi
2019 IEEE Access  
INDEX TERMS Coronary arteries, implicit modeling, vascular visualization.  ...  In this paper, a new implicit modeling technique for the geometric reconstruction of patient-specific coronary arteries has been developed.  ...  At present, the main task of computer processing for coronary CTA images is the 3-D visualization of coronary arteries, which utilizes the direct volume rendering method to generate three-dimensional stereo  ... 
doi:10.1109/access.2019.2920113 fatcat:krdmibc6hzgnvgpvmufp6e73tq

Centerline reformations of complex vascular structures

Gabriel Mistelbauer, Andrej Varchola, Hamed Bouzari, Juraj Starinsky, Arnold Kochl, Rudiger Schernthaner, Dominik Fleischmann, Meister Eduard Groller, Milos Sramek
2012 2012 IEEE Pacific Visualization Symposium  
ABSTRACT Visualization of vascular structures is a common and frequently performed task in the field of medical imaging.  ...  Figure 1 : (a) 3D visualization of a CT data set. (b) Automatically detected cervical vessels visualized with size-based color-coding (thick vessels in red, thin ones in blue).  ...  ACKNOWLEDGEMENTS The work presented in this paper is part of the Knowledge Assisted Sparse Interaction for Peripheral CT-Angiography (KASI) project, supported by the Austrian Science Fund (FWF) grant no  ... 
doi:10.1109/pacificvis.2012.6183596 dblp:conf/apvis/MistelbauerVBSKSFGS12 fatcat:uryxmzq3und6db3lilhpco54mi

Interactive CT/MRI 3D Fusion for cerebral system analysis and as a preoperative surgical strategy and educational tool

Michał Chlebiej, Andrzej Rutkowski, Anna Żurada, Jerzy Gielecki, Katarzyna Polak-Boroń
2021 Polish Annals of Medicine  
The distance analysis of the segmented vascular model and proposed method for stabilization of the human head combined with virtual sculpting technique.  ...  provide accurate combined information about bony structures from CT volume and vascular objects and cerebral vessels from MRI.  ...  AIM The primary goal of the medical image fusion method was to create a system that would be able to process combined information delivered by varied imaging modalities so that the precise visualization  ... 
doi:10.29089/2021.21.00203 fatcat:qjrindi6czfczmctr3r3a34jxi

Automated quantification of microstructural dimensions of the human kidney using optical coherence tomography (OCT)

Qian Li, Maristela L. Onozato, Peter M. Andrews, Chao-Wei Chen, Andrew Paek, Renee Naphas, Shuai Yuan, James Jiang, Alex Cable, Yu Chen
2009 Optics Express  
This work can enable studies to determine the clinical utility of OCT for kidney imaging, as well as studies to evaluate kidney morphology as a biomarker for assessing kidney's viability prior to transplantation  ...  information.  ...  Acknowledgements We thank Anik Duttaroy, Bobak Shirmahamoodi, Dennis Truong, and Dipankar Dutta for technical assistances.  ... 
doi:10.1364/oe.17.016000 pmid:19724599 fatcat:5b7ewjt5lvhencpyazo4vui4sy

Fluorescence microscopy tensor imaging representations for large-scale dataset analysis

Claudio Vinegoni, Paolo Fumene Feruglio, Gabriel Courties, Stephen Schmidt, Maarten Hulsmans, Sungon Lee, Rui Wang, David Sosnovik, Matthias Nahrendorf, Ralph Weissleder
2020 Scientific Reports  
Recent advances in optical imaging technologies and chemical tissue clearing have facilitated the acquisition of whole-organ imaging datasets, but automated tools for their quantitative analysis and visualization  ...  We have here developed a visualization technique capable of providing whole-organ tensor imaging representations of local regional descriptors based on fluorescence data acquisition.  ...  We thank Katia Oleinik (Boston University) for assistance with highperformance computing. National Institutes of Health (RO1CA206890, R01HL131495).  ... 
doi:10.1038/s41598-020-62233-2 pmid:32221334 pmcid:PMC7101442 fatcat:hjlognay3vaz7ajlmazxq32yke

Implicit Reconstruction of Vasculatures Using Bivariate Piecewise Algebraic Splines

Qingqi Hong, Qingde Li, Jie Tian
2012 IEEE Transactions on Medical Imaging  
Vasculature geometry reconstruction from volumetric medical data is a crucial task in the development of computer guided minimally invasive vascular surgery systems.  ...  In this paper, a technique for reconstructing the geometry of vasculatures using bivariate implicit splines is developed.  ...  ACKNOWLEDGMENT The authors would like to thank all the anonymous reviewers for their constructive comments.  ... 
doi:10.1109/tmi.2011.2172455 pmid:22020672 fatcat:butr7f5t6nad5lq53gi2yudj7a

Visualization of Radial Peripapillary Capillaries Using Optical Coherence Tomography Angiography: The Effect of Image Averaging

Shelley Mo, Erika Phillips, Brian D. Krawitz, Reena Garg, Sarwat Salim, Lawrence S. Geyman, Eleni Efstathiadis, Joseph Carroll, Richard B. Rosen, Toco Y. P. Chui, Marinko Sarunic
2017 PLoS ONE  
Signal-to-noise ratio (SNR), number of endpoints and mean capillary length from the skeleton, capillary density, and mean intercapillary distance (ICD) were measured for the reference and each averaged  ...  Objectives To assess the effect of image registration and averaging on the visualization and quantification of the radial peripapillary capillary (RPC) network on optical coherence tomography angiography  ...  Visualization of radial peripapillary capillaries in optical coherence tomography angiography: The effect of image averaging.  ... 
doi:10.1371/journal.pone.0169385 pmid:28068370 pmcid:PMC5222511 fatcat:kxlv7okgfvgahlj66dvbixiudy

Topology Aware Quad Dominant Meshing for Vascular Structures [chapter]

Dominik Sibbing, Hans-Christian Ebke, Kai Ingo Esser, Leif Kobbelt
2012 Lecture Notes in Computer Science  
We present a pipeline to generate high quality quad dominant meshes for vascular structures from a given volumetric image.  ...  topological information of the vascular structure.  ...  Related Work Direct volume rendering is a technique to visualize the relevant information contained in a volumetric image in real-time [1] .  ... 
doi:10.1007/978-3-642-33463-4_15 fatcat:elomtx26czdr3mw63h6aeza7fi

Efficient rendering of anatomical tree structures using geometry proxy

Hang Dou, Christian Bauer, Chris Wyman, Reinhard R. Beichel
2013 2013 IEEE 10th International Symposium on Biomedical Imaging  
Rendering tubular structures efficiently is crucial for studying anatomical tree-like structures, such as vessels and airways.  ...  We generate low complexity proxy meshes on the fly and shade the meshes as tubular objects consisting of truncated cones and spheres.  ...  Robb Glenny from the University of Washington for providing the cryomicrotome images.  ... 
doi:10.1109/isbi.2013.6556448 dblp:conf/isbi/DouBWB13 fatcat:x4s2somlhrcg5bttk2tcbwdnt4

Functional Region Annotation of Liver CT Image Based on Vascular Tree

Yufei Chen, Xiaodong Yue, Caiming Zhong, Gang Wang
2016 BioMed Research International  
In this paper, we propose a vessel-tree-based liver annotation method for CT images.  ...  One of the challenging issues is to annotate the functional regions of liver through analyzing Computed Tomography (CT) images.  ...  Acknowledgments This work was supported by the Natural Science Foundation of China (nos. 61103070 and 61573235), the Fundamental Research Funds for the Central Universities, and the Key Laboratory of Embedded  ... 
doi:10.1155/2016/5428737 pmid:27891516 pmcid:PMC5116550 fatcat:uizv5fjuqzbjjexxtl7b654lfm

Segmentation-based blood flow parameter refinement in cerebrovascular structures using 4D arterial spin labeling MRA

Renzo Phellan, Thomas Lindner, Michael Helle, Alexandre Falcao, Clarissa Yasuda, Magdalena Sokolska, Rolf H. Jager, Nils Daniel Forkert
2019 IEEE Transactions on Biomedical Engineering  
The preferred imaging modality for the diagnostic routine is digital subtraction angiography, an invasive modality.  ...  This work proposes advanced medical image processing methods that extract the anatomical and hemodynamic information contained in 4D ASL MRA datasets.  ...  distance between vascular and nonvascular tissues.  ... 
doi:10.1109/tbme.2019.2951082 pmid:31689181 fatcat:paizccxq7jafjea37gmr5yh4fa

Tomographic quantification of branching morphogenesis and renal development

Kieran M. Short, Mark J. Hodson, Ian M. Smyth
2010 Kidney International  
Cultured renal primordia lack vascularization and a supportive matrix for normal growth, resulting in tissue compression and distortion of ureteric branching.  ...  Current analysis of renal development relies heavily on explant organ culture and visualization by confocal microscopy, as a more developmentally advanced native tissue is too thick for conventional microscopic  ...  We thank the staff of Monash MicroImaging and Monash e-Research for assistance in volumetric analysis.  ... 
doi:10.1038/ki.2010.42 pmid:20200502 fatcat:bv6unh6ucbh2dib4qnmraozwoi

Intraoperative augmented reality for minimally invasive liver interventions

Michael Scheuering, Andrea Schenk, Armin Schneider, Bernhard Preim, Guenther Greiner, Robert L. Galloway, Jr.
2003 Medical Imaging 2003: Visualization, Image-Guided Procedures, and Display  
In addition, very efficient algorithms for skeletonization and vascular analysis allowing the approximation of patient-individual liver vascular territories are included.  ...  images.  ...  Feussner for fruitful scientific discussions.  ... 
doi:10.1117/12.480212 dblp:conf/miigp/ScheueringSSPG03 fatcat:c5k5r77kw5arzm2gnpigfm6flq

Quantification of Microvascular Tortuosity during Tumor Evolution Using Acoustic Angiography

Sarah E. Shelton, Yueh Z. Lee, Mike Lee, Emmanuel Cherin, F. Stuart Foster, Stephen R. Aylward, Paul A. Dayton
2015 Ultrasound in Medicine and Biology  
Quantitative morphological analysis of tumor vessels demonstrated significantly increased vascular tortuosity abnormalities associated with tumor growth with the distance metric elevated approximately  ...  Here we perform the first application of acoustic angiography to evolving tumors in mice predisposed to develop mammary carcinoma, with the intent of visualizing and quantifying angiogenesis progression  ...  We thank the directors and personnel of the UNC Lineberger Comprehensive Cancer Center's (LCCC) Mouse Phase One Unit (MP1U), especially David Darr, for their assistance.  ... 
doi:10.1016/j.ultrasmedbio.2015.02.012 pmid:25858001 pmcid:PMC4778417 fatcat:3nvmqok4mnhfjbge2ezah4gjsq
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