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Local Orientation Smoothness Prior for Vascular Segmentation of Angiography
[chapter]
2004
Lecture Notes in Computer Science
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The method we propose uses a novel a priori -local orientation smoothness prior -to enforce an adaptive regularization constraint for the vascular segmentation within the Bayes' framework. ...
We present a new generic method for vascular segmentation of angiography. Angiography is used for the medical diagnosis of arterial diseases. ...
Westin for the fruitful discussions, and providing MATLAB codes on the construction of the quadrature filters at the early stage of the software development. They would also like to thank Craig C. W. ...
doi:10.1007/978-3-540-24671-8_28
fatcat:vawxbxguazd25dsbo3beo6pohe
Image Segmentation Methods for Detecting Blood Vessels in Angiography
2006
2006 9th International Conference on Control, Automation, Robotics and Vision
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Computer-assisted detection and segmentation of blood vessels in angiography are crucial for endovascular treatments and embolization. ...
In this article, I give an overview of the image segmentation methods using the features developed recently at our laboratory. Our current research directions are also highlighted. ...
the local phase coherence feature. ...
doi:10.1109/icarcv.2006.345331
dblp:conf/icarcv/Chung06
fatcat:5qn77vkgozg75kcobmpsocmh5e
Anisotropic Curvature Motion for Structure Enhancing Smoothing of 3D MR Angiography Data
2006
Journal of Mathematical Imaging and Vision
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The problem is formulated in a level set framework, and a stable and robust method for the identification of the local prior is presented. ...
The anisotropic area functional incorporates a locally adapted template as a shape prior for tubular vessel structures consisting of elongated, ellipsoidal shape models. ...
Scorzin from the Neurosurgery Hospital at Bonn Medical Center for providing the MRA data. ...
doi:10.1007/s10851-006-0645-2
fatcat:jvuaswdk7nauvl5i4brmnoaqay
Bayesian image segmentation using local iso-intensity structural orientation
2005
IEEE Transactions on Image Processing
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The algorithm uses a novel smoothness prior to improve the quality of image segmentation. The formulation of the prior is based on the coherence of the local structural orientation in the image. ...
The segmentation process is performed in a Bayesian framework. Local structural orientation estimation is obtained with an orientation tensor. ...
Yu of the Department of Diagnostic Radiology and Organ Imaging, Prince of Wales Hospital, Hong Kong, for providing the clinical data and helping the segmentation, as well as the anonymous reviewers for ...
doi:10.1109/tip.2005.852199
pmid:16238057
fatcat:yetpblt4njflbftgbczjb7pka4
Inference of Cerebrovascular Topology with Geodesic Minimum Spanning Trees
2018
IEEE Transactions on Medical Imaging
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field representing the orientation of the underlying vasculature. ...
The inferred geodesic trees are then quantitatively evaluated within a topologically aware framework, by comparing the proposed method against popular vascular segmentation tool kits on clinical angiographies ...
In [35] and [40] , a comprehensive collection of methods and techniques for general vascular image segmentation is reviewed, by categorizing different segmentation frameworks by their characteristic ...
doi:10.1109/tmi.2018.2860239
pmid:30059296
pmcid:PMC6319031
fatcat:dj3qvudhxngdhe4afipwus4zle
A Visualization System for the Clinical Evaluation of Cerebral Aneurysms from MRA Data
[article]
2001
Eurographics State of the Art Reports
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The software has been designed to meet the specific needs of interventional neuro-radiologists evaluating the suitability of intracranial aneurysms for endovascular coiling and also when planning the procedure ...
Providing rapid (real-time) interaction with high resolution iso-surfaces derived from Time-of Flight (ToF) Magnetic Resonance Angiography (MRA) data will enable the clinician to quickly assess the ability ...
This would require prior segmentation and as we have stated the performance of such algorithms is not known. ...
doi:10.2312/egs.20011038
fatcat:nivt4cbqkrg2hcnpuc2g544kcu
Restoring three-dimensional magnetic resonance angiography images with mean curvature motion
2010
Neurological Research
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Objective: The management of neurovascular disease requires precise information on the cerebral vascular anatomy. ...
Regarding visual representation of the posterior part of the circle of Willis, the postprocessed MRA showed the arterial segments less accurate than the standard modalities. ...
These Wulff shapes serve as suitable local priors for a ventricle and reflect the underlying tubular structure. ...
doi:10.1179/016164110x12556180206077
pmid:19941735
fatcat:g5az7t4razfnpirk4r5tuncefu
Real-Time Tracking of Contrast Bolus Propagation in Continuously Moving Table MR Angiography
[chapter]
2006
Lecture Notes in Computer Science
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A common application of this method is contrast-enhanced angiography, where propagation of an intravenously injected contrast agent is tracked throughout the peripheral vascular tree. ...
Specifically, we provide a coupled intensitycorrection procedure and modified Fast Marching method for rapid segmentation of contrast enhanced vasculature in CE-MRA and discuss the incorporation of this ...
Prior to allowance of a past segmentation boundary as the initial condition to the segmentation procedure for a newly acquired image frame, the boundary must first be updated to account for change of the ...
doi:10.1007/11866565_101
fatcat:wvbabwc4fna7zmwenilqecyadq
A review of 3D vessel lumen segmentation techniques: Models, features and extraction schemes
2009
Medical Image Analysis
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Despite the tremendous amount of past and on-going dedicated research, vascular segmentation remains a challenging task. ...
Given the size and complexity of modern angiographic acquisitions, segmentation is a key step toward the accurate visualization, diagnosis and quantification of vascular pathologies. ...
Acknowledgement The authors would like to thank the reviewers for their constructive and thoughtful comments. ...
doi:10.1016/j.media.2009.07.011
pmid:19818675
fatcat:rroixlliubb6nfmvlhahdqtniq
Nuclear contrast angiography: A simple method for morphological characterization of cerebral arteries
2009
Brain Research
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Visualization of the cerebral vascular tree is important in experimental stroke and cerebral vascular malformation research. ...
We describe a simple method, nuclear contrast angiography, that enables simultaneous visualization of the arterial tree and cerebral endothelial cells in rodent brain whole mounts. ...
Fortunately, in arteries, the smooth muscle cells are oriented orthogonal to the axis of the vessel and are a significant distance from the endothelium and thus out of the focal plane of the region of ...
doi:10.1016/j.brainres.2009.01.020
pmid:19401159
pmcid:PMC2784114
fatcat:w7m2v5mdkrbzths3cez2rjvkna
Automated choroidal neovascularization detection algorithm for optical coherence tomography angiography
2015
Biomedical Optics Express
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Identification and quantification of CNV area is important clinically for disease assessment. An automated algorithm for CNV area detection is presented in this article. ...
Optical coherence tomography angiography has recently been used to visualize choroidal neovascularization (CNV) in participants with age-related macular degeneration. ...
Few works have been published about segmentation of CNV from OCT angiography images [15] . ...
doi:10.1364/boe.6.003564
pmid:26417524
pmcid:PMC4574680
fatcat:6t7t4btt7rf7fku6yrq4qmk27y
3D vascular path planning of chemo-embolizations using segmented hepatic arteries from MR angiography
2016
2016 IEEE 13th International Symposium on Biomedical Imaging (ISBI)
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It requires prior delineation of the hepatic arteries on magnetic resonance angiography (MRA) data and identification of the vessels supplying the tumor. ...
We present a vascular path planning tool for TACE procedures by automatically segmenting the hepatic arteries on MRA. ...
Our main contribution consists in proposing an automatic vascular path planning method designed for MR angiography which detects the celiac trunk and bifucations in the arterial network. ...
doi:10.1109/isbi.2016.7493516
dblp:conf/isbi/BadoualGLAK16
fatcat:zzbsgcgonfeflhby7ww6lbqvha
Giant aneurysm of an aortocoronary venous bypass graft treated by an endovascular approach
2019
Advances in Interventional Cardiology
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smooth muscle orientation in the proximity of valves [1] and trauma during surgical handling of the vein [2] . ...
Consecutive stages of the embolization procedure performed under local anesthesia are presented in Figures 1 B and C . ...
Conflict of interest The authors declare no conflict of interest. ...
doi:10.5114/aic.2019.90226
pmid:31933668
pmcid:PMC6956458
fatcat:mauf4ep2tbcwbhtew2qlrt5lz4
Probabilistic Modeling of Blood Vessels for Segmenting Magnetic Resonance Angiography Images
2017
Medical Research Archives
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Coronary vessels are modeled locally as piece-wise linear segments of varying locations, lengths, widths and orientations. ...
Probabilistic Modeling of Blood Vessels for Segmenting Magnetic Resonance Angiography Images a Gaussian mixture model of the gray-level distribution of the vessel region. combined a prior Gibbs random ...
doi:10.18103/mra.v5i3.1031
fatcat:osdj2jhjsbcq3gc45kccvwtnoa
Segmentation of macular fluorescein angiographies. A statistical approach
2001
Pattern Recognition
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This paper is concerned with the use of Bayesian methods in the segmentation of macular #uorescein angiographies. ...
Fluorescein angiography is used in ophthalmic practice to evaluate vascular retinopathies and choroidopathies: Sodium #uorescein is injected in the arm's cubital vein of the patient and its distribution ...
This paper shows the use of Bayesian image analysis for the segmentation of macular angiographies. ...
doi:10.1016/s0031-3203(00)00032-7
fatcat:v3fbbhzjzbe2hmz4dculz6ccde
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