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Deformable templates for tracking and analysis of intravascular ultrasound sequences [chapter]

Francisco Escolano, Miguel Cazorla, Domingo Gallardo, Ramón Rizo
1997 Lecture Notes in Computer Science  
Deformable Template models are first applied to track the inner wall of coronary arteries in intravascular ultrasound sequences, mainly in the assistance to angioplasty surgery.  ...  A circular template is used for initializing an elliptical deformable model to track wall deformation when inflating a balloon placed at the tip of the catheter.  ...  Conclusions and Future Developments This paper first introduces the use of deformable templates for tracking the inner wall of vessels in intravascular ultrasound sequences.  ... 
doi:10.1007/3-540-62909-2_101 fatcat:jhxzrtarurf6flqvx5sdzyx4hi

Non-Coronary Vessel Exploration Under Intravascular Ultrasound: Principles and Applicability [chapter]

Gal Y.
2012 Intravascular Ultrasound  
Introduction Intravascular Ultrasound (IVUS) has become rapidly one of the gold technologies for the endovascular exploration.  ...  burden in an entire vessel segment through fast analysis of large image sequences.  ... 
doi:10.5772/20554 fatcat:p5v5xkhoj5gx5hmav4kqhuo6wq

Ultrasound image segmentation: a survey

J.A. Noble, D. Boukerroui
2006 IEEE Transactions on Medical Imaging  
This paper reviews ultrasound segmentation methods, in a broad sense, focusing on techniques developed for medical -mode ultrasound images.  ...  First, we present a review of articles by clinical application to highlight the approaches that have been investigated and degree of validation that has been done in different clinical domains.  ...  ACKNOWLEDGMENT The authors would like to thank the anonymous reviewers for their thoughtful suggestions on how best to present this review, and the authors (too many to name in person) who kindly provided  ... 
doi:10.1109/tmi.2006.877092 pmid:16894993 fatcat:wtt6igy2ozhjtbnsizi6qtosn4

Coronary Artery Dynamics In Vivo

Zhaohua Ding, Hui Zhu, Morton H. Friedman
2002 Annals of Biomedical Engineering  
that variations in stresses mediated by geometry and dynamics affect the localization of atherosclerosis and individual risk of coronary heart disease.  ...  There is considerable evidence that the localization and evolution of vascular disease are mediated, at least in part, by mechanical factors.  ...  deform the template to minimize mismatch between the template and the contour of the vessel segment. ͑4͒ Repeat step ͑3͒ until all images in the sequence have been processed.  ... 
doi:10.1114/1.1467925 pmid:12085995 fatcat:5aqmwo2sfjgslaabmhewgl3wui

Computer Vision Techniques for Transcatheter Intervention

Feng Zhao, Xianghua Xie, Matthew Roach
2015 IEEE Journal of Translational Engineering in Health and Medicine  
In addition, catheter-based intravascular ultrasound and optical coherence tomography imaging of coronary arteries provides important information about the coronary lumen, wall, and plaque characteristics  ...  used for the treatment and the cure of atrial fibrillation.  ...  Other approaches utilize active contour models (snakes) [173] , which are suitable for analysis of angiographic sequences where the vessel centerline is manually or semi-automatically identified in the  ... 
doi:10.1109/jtehm.2015.2446988 pmid:27170893 pmcid:PMC4848047 fatcat:kgkprfayx5arxbyacbubjrbbhy

A survey on image segmentation using metaheuristic-based deformable models: state of the art and critical analysis

Pablo Mesejo, Óscar Ibáñez, Óscar Cordón, Stefano Cagnoni
2016 Applied Soft Computing  
It aims to serve as a reference work which proposes some guidelines for choosing and designing the most appropriate combination of deformable models and metaheuristics when facing a given segmentation  ...  Deformable models are segmentation techniques that adapt a curve with the goal of maximizing its overlap with the actual contour of an object of interest within an image.  ...  in sequential intravascular ultrasound frames [89] .  ... 
doi:10.1016/j.asoc.2016.03.004 fatcat:3mgmo7vuurd4tnijod5a5kwn7m

Ultrasound-Based Guidance and Therapy [chapter]

Frank Lindseth, Thomas Lang, Tormod Selbekk, Rune Hansen, Ingerid Reinertsen, Christian Askeland, Ole Solheim, Geirmund Unsgrd, Ronald Mrvik, Toril A. Nagelhus Hernes
2013 Advancements and Breakthroughs in Ultrasound Imaging  
amount of tissue shift and deformation.  ...  This may be useful for updating the CT data used for navigation and correct for breathing motion and deformation of the blood vessels during the procedure.  ... 
doi:10.5772/55884 fatcat:aorojsswjrgdjhpayfebhbnmsi

American Society of Echocardiography Cardiovascular Technology and Research Summit: A Roadmap for 2020

Patricia A. Pellikka, Pamela S. Douglas, James G. Miller, Theodore P. Abraham, Rolf Baumann, Denis B. Buxton, Benjamin F. Byrd, Peter Chen, Nakela L. Cook, Julius M. Gardin, Gunnar Hansen, Hélène C. Houle (+28 others)
2013 Journal of the American Society of Echocardiography  
Expand and increase the frequency of hands-on workshops for deformation image acquisition and analysis.  ...  For example, new noninvasive techniques that make use of high-mechanical index acoustic levels might be able to dissolve intravascular clots using 3D ultrasound transducers.  ...  This phase will be followed by up to 3 years of independent support contingent on securing an independent tenure-track or equivalent research position. R25  ... 
doi:10.1016/j.echo.2013.02.003 pmid:23537771 fatcat:qkhynn3z5vcejju7pgrh3sub34

A New Method for the In Vivo Identification of Mechanical Properties in Arteries From Cine MRI Images: Theoretical Framework and Validation

Alexandre Franquet, Stephane Avril, Rodolphe Le Riche, Pierre Badel, Fabien C Schneider, Zhi Yong Li, Christian Boissier, Jean Pierre Favre
2013 IEEE Transactions on Medical Imaging  
Acknowledgment 672 We are grateful to the two volunteers for their time and implication. 673 We would like to thank IEEE Transactions on Medical Imaging (please visit 674  ...  The template 122 image is the experimental image of a deformed artery provided by the magni-123 tude of a cine Phase-Contrast MR sequence.  ...  Different imaging systems were used: Bmode echography (see Fig. 14), Radio-Frequency UltraSounds signal, IntraVascular UltraSounds or MRI.  ... 
doi:10.1109/tmi.2013.2257828 pmid:23591477 fatcat:xhkspqxvcbcnrksvpy5hrgadb4

MRI strain imaging of the carotid artery: Present limitations and future challenges

Aart J. Nederveen, Stéphane Avril, Lambert Speelman
2014 Journal of Biomechanics  
However, they seem to be the most promising approach for MRI based plaque strain analysis in the near future. 3  ...  This and other post-processing techniques based on time-resolved MRI data may provide a good estimate of plaque strain, but are also dependent on the spatial and temporal resolution of the MR images.  ...  Although intravascular ultrasound strain imaging is a promising method that may be used to detect vulnerable plaques in the future, the invasive nature and limited penetration depth of this catheterbased  ... 
doi:10.1016/j.jbiomech.2014.01.014 pmid:24468207 fatcat:4rvawaho55c3rkmbkczjnxpvr4

Shape-Driven Segmentation of the Arterial Wall in Intravascular Ultrasound Images

G. Unal, S. Bucher, S. Carlier, G. Slabaugh, Tong Fang, K. Tanaka
2008 IEEE Transactions on Information Technology in Biomedicine  
Segmentation of arterial wall boundaries from intravascular images is an important problem for many applications in the study of plaque characteristics, mechanical properties of the arterial wall, its  ...  We present a shape-driven approach to segmentation of the arterial wall from intravascular ultrasound images in the rectangular domain.  ...  Biro and C. Castellanos for their help in data collection and import.  ... 
doi:10.1109/titb.2008.920620 pmid:18693501 fatcat:6tkdimmnnfc2fllw5y6wd6tjza

Model-Based Analysis of Flow-Mediated Dilation and Intima-Media Thickness

G. Bartoli, G. Menegaz, M. Lisi, G. Di Stolfo, S. Dragoni, T. Gori
2008 International Journal of Biomedical Imaging  
A spline model (deformable template) is fitted to the data to detect the artery boundaries and track them all along the video sequence.  ...  We present an end-to-end system for the automatic measurement of flow-mediated dilation (FMD) and intima-media thickness (IMT) for the assessment of the arterial function.  ...  SUMMARY AND CONCLUSIONS We describe a simple, accurate, and highly reproducible edge-detection wall-tracking software for the analysis of peripheral endothelial function and IMT.  ... 
doi:10.1155/2008/738545 pmid:19360110 pmcid:PMC2665907 fatcat:z3jh56oqhvh7tiw6ek7eswwm7y

Evolution of autonomous and semi-autonomous robotic surgical systems: a review of the literature

G. P. Moustris, S. C. Hiridis, K. M. Deliparaschos, K. M. Konstantinidis
2011 International Journal of Medical Robotics and Computer Assisted Surgery  
Definitions and classifications The classification of robotic systems depends on the actual point of view one takes.  ...  These systems are expected to become standard modality and revolutionize the face of surgery.  ...  Deformable templates for non-rigid registration have been proposed to overcome this limitation. These templates are often based on biomechanical models of soft tissue (102) .  ... 
doi:10.1002/rcs.408 pmid:21815238 fatcat:wxpuzdc6uva2bniq6u7jjnkybi

CARS 2016—Computer Assisted Radiology and Surgery Proceedings of the 30th International Congress and Exhibition Heidelberg, Germany, June 21–25, 2016

2016 International Journal of Computer Assisted Radiology and Surgery  
We would like to thank the Spanish company BQ for the donation of the 3D printing hardware for clinical use.  ...  Acknowledgments The authors wish to thank Fundación CEIBA and Alcaldía Mayor de Bogotá, for the financial support of Ricardo Mendoza's PhD studies through the scholarship program ''Becas Rodolfo Llinás  ...  However, multi-modal deformable registration remains a challenging task and is an active research area in medical image analysis, especially in the deformable registration between ultrasound (US) and magnetic  ... 
doi:10.1007/s11548-016-1412-5 pmid:27206418 fatcat:uk5r46n2xvhedkfjzmeiweyneq

Do we have two hearts? New insights in right ventricular function supported by myocardial imaging echocardiography

Antonio Vitarelli, Claudio Terzano
2009 Heart Failure Reviews  
Standard and novel echocardiographic methods of assessment of RV size and performance can help clinicians in the treatment of acute and chronic RV failure and contribute to a better understanding of the  ...  This article focuses on some of the challenges related to the assessment of RV function in the setting of the RV's unique anatomic, physiologic, conventional and newer echocardiographic aspects, and therapeutic  ...  Instead of using 2D templates to view 2D movement, cubic templates allow motion analysis of the ventricles in 3D. d STI tracings as 3D tracking result assessment of RV size and performance contribute to  ... 
doi:10.1007/s10741-009-9154-x pmid:19866357 fatcat:wdjs5yzqyfbmfppz2y4crtum54
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