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Computing Myocardial Motion in 4-Dimensional Echocardiography

Ryan Mukherjee, Chad Sprouse, Aurélio Pinheiro, Theodore Abraham, Philippe Burlina
2012 Ultrasound in Medicine and Biology  
We describe a novel method for computing dense 3D myocardial motion with high accuracy.  ...  Using a variety of metrics, we present an indepth performance evaluation of the method on synthetic, phantom, and intraoperative 4D Transesophageal Echocardiographic (TEE) data.  ...  Acknowledgments Support from the Johns Hopkins University Applied Physics Laboratory Science and Technology, Research and Development fund and the NIH NHLBI R21HL098765 fund are gratefully acknowledged  ... 
doi:10.1016/j.ultrasmedbio.2012.03.007 pmid:22677256 pmcid:PMC3698618 fatcat:u5rfcikkmfdelhxabdjht3q5zm

3D Radio Frequency Ultrasound Cardiac Segmentation Using a Linear Predictor [chapter]

Paul C. Pearlman, Hemant D. Tagare, Albert J. Sinusas, James S. Duncan
2010 Lecture Notes in Computer Science  
We present an approach for segmenting the left ventricular endocardial boundaries from radio-frequency (RF) ultrasound.  ...  images from 28 3D sequences acquired from 6 canine studies, imaged both at baseline and 1 hour post infarction.  ...  To this end, it has been reasonably well established that speckle tracking from high frame-rate radio-frequency (RF) ultrasound data can be used to generate dense estimates of displacement that can be  ... 
doi:10.1007/978-3-642-15705-9_61 fatcat:qhezratadfel3hzfwtjilx7dnu

A Motion Compounding Technique for Speckle Reduction in Ultrasound Images

Cheng-Hsien Lin, Yung-Nien Sun, Chii-Jeng Lin
2009 Journal of digital imaging  
ACKNOWLEDGEMENTS The authors wish to express their appreciation for the support from the National Science Council under contract NSC91-2213-E-006-060. Also, this work made use of shared facilities  ...  In the proposed system, we designed an adaptive feature weighted mechanism with a hierarchical structure to estimate the dense motion field from the ultrasound image sequence.  ...  To further verify the out-of-plane problem, a 4D compounding technique that is free from the out-of-plane problem can be developed and we are currently working on 4D cases.  ... 
doi:10.1007/s10278-008-9172-6 pmid:19130132 pmcid:PMC3046654 fatcat:uo3fym7trrh23jowijivtx5uqu

VALIDATION OF OPTICAL-FLOW FOR QUANTIFICATION OF MYOCARDIAL DEFORMATIONS ON SIMULATED RT3D ULTRASOUND

Qi Duan, Elsa Angelini, Shunichi Homma, Andrew Laine
2007 2007 4th IEEE International Symposium on Biomedical Imaging: From Nano to Macro  
Previously, we presented a method based on four-dimensional optical flow motion estimation for anatomical tracking of myocardium in RT3D ultrasound, from which myocardial displacement fields and dynamic  ...  Based on this phantom, simulated RT3D ultrasound data sets are generated for validation to assess the performance of an optical flow based method in tracking myocardial tissues. 1. 2.  ...  Performance of our optical flow based method in tracking myocardial tissues are explored by simulating consecutive RT3D ultrasound frames of the beating heart under controlled motion fields, including  ... 
doi:10.1109/isbi.2007.357009 dblp:conf/isbi/DuanAHL07 fatcat:ncq5wo6hljfc7ppujqfhsv26f4

Quantitative validation of optical flow based myocardial strain measures using sonomicrometry

Qi Duan, Katherine M. Parker, Auranuch Lorsakul, Elsa D. Angelini, Eiichi Hyodo, Shunichi Homma, Jeffrey W. Holmes, Andrew F. Laine
2009 2009 IEEE International Symposium on Biomedical Imaging: From Nano to Macro  
In our previous work, a 4D optical flow based motion tracking algorithm was developed to extract full 4D dynamic cardiac metrics from such 4D ultrasound data.  ...  The 4D ultrasound data from these experiments was then analyzed with the tracking method and estimated principal strain measures were directly compared to those recorded by sonomicrometry.  ...  Moreover, the dense myocardial motion field can be further derived based on tracking results.  ... 
doi:10.1109/isbi.2009.5193082 pmid:20694163 pmcid:PMC2916658 dblp:conf/isbi/DuanPLAHHHL09 fatcat:wfelbv4ycrdfljnfcvytrzpbkq

Feasibility of noninvasive 3 T MRI-guided myocardial ablation with high intensity focused ultrasound

Aravind Swaminathan, Viola Rieke, Randy L King, John Pauly, Kim Butts-Pauly, Michael McConnell
2009 Journal of Cardiovascular Magnetic Resonance  
Myocardial siderosis is the main cause of morbidity and mortality in thalassaemia major. In the United Kingdom approximately 50% of patients die before reaching 35 years.  ...  T2* CMR can now assess cardiac iron O3 Sub-clinical systolic dysfunction with persistent myocardial edema and inflammation in elite high-endurance athletes with common colds: a cardiovascular magnetic  ...  Conclusion: We have demonstrated a rapid method of T2-mapping for quantitative detection of myocardial edema.  ... 
doi:10.1186/1532-429x-11-s1-o86 fatcat:x65nsqbh6nezvnm5rbtnxby2b4

Recent Advances in Machine Learning Applied to Ultrasound Imaging

Monica Micucci, Antonio Iula
2022 Electronics  
The present work reviews the most recent (2019 onwards) implementations of machine learning techniques for two of the most popular ultrasound imaging fields, medical diagnostics and non-destructive evaluation  ...  Finally, the main merits of machine learning that emerged from the study analysis are summarized and discussed.  ...  In the latter case, there is reference to 4D-images, i.e., 3D-images in real-time motion. 3D ultrasound data are achieved by employing a linear array performing a single mechanical scan or a two-dimensional  ... 
doi:10.3390/electronics11111800 fatcat:htw3q5kednhkbndgk7vw3tbvya

Global and regional right ventricular mechanics in repaired tetralogy of Fallot with chronic severe pulmonary regurgitation: a three-dimensional echocardiography study

Jurate Bidviene, Denisa Muraru, Attila Kovacs, Bálint Lakatos, Egle Ereminiene, Csilla Liptai, Jolanta-Justina Vaskelyte, Remigijus Zaliunas, Elena Surkova, Luigi P. Badano
2021 Cardiovascular Ultrasound  
Conclusions 3DTE allows a quantitative evaluation of the mechanics of global RVEF.  ...  Methods We used three-dimensional transthoracic echocardiography (3DTE) to obtain RV data sets from 33 rToF patients and 30 age- and sex- matched controls.  ...  Cardiovasc Ultrasound (2021) 19:28 and late mortality [1] .  ... 
doi:10.1186/s12947-021-00260-3 pmid:34362392 pmcid:PMC8349004 fatcat:4f7pb2meyrdmdhu2rlkdjn5v7y

Imaging of cardiovascular complications in patients with systemic lupus erythematosus

K Lin, D M Lloyd-Jones, D Li, Y Liu, J Yang, M Markl, J C Carr
2015 Lupus  
Recently, multi-modality cardiovascular imaging methods have been adopted for the evaluation of cardiovascular risk, which has shown to be associated with both traditional cardiovascular risk factors and  ...  In this review, we will discuss cutting-edge cardiovascular imaging techniques and discuss potential clinical applications and limitations of those techniques for the evaluation of major SLE related heart  ...  Acknowledgments This study was supported by a grant from the National Institute of Health (R01HL089695) and a grant from the American Heart Association (10CRP3050051)  ... 
doi:10.1177/0961203315588577 pmid:26038342 pmcid:PMC4567427 fatcat:ae2vuefx6na5bfcwb2tgk7fnxi

International Society for Therapeutic Ultrasound Conference 2016

Brian Fowlkes, Pejman Ghanouni, Narendra Sanghvi, Constantin Coussios, Paul C. Lyon, Michael Gray, Christophoros Mannaris, Marie de Saint Victor, Eleanor Stride, Robin Cleveland, Robert Carlisle, Feng Wu (+723 others)
2017 Journal of Therapeutic Ultrasound  
Acknowledgements This work was supported by the Focused Ultrasound Foundation and NIBIB T32EB014841.  ...  Another challenge stems from the need for a high rate of image acquisition. This may be currently associated with a high radiation dose.  ...  Histological evaluation of brain and tracking of BrdU tagged cells was performed at different time points. Values were compared to baseline.  ... 
doi:10.1186/s40349-016-0079-2 fatcat:wjrvxyhd5bappjipymenn5swwq

Ultrasound Image Analysis of the Carotid Artery

C.P. Loizou, Robert S.H. Istepanian
2005 Zenodo  
The objective of this work was to carry out a comparative evaluation of despeckle filtering on ultrasound images of the carotid artery, and develop a new segmentation system, for detecting the IMT of the  ...  A total of 11 despeckle filtering methods were evaluated based on texture analysis, image quality evaluation metrics, and visual evaluation made by two experts, on 440 ultrasound images of the carotid  ...  It should be noted that there are no other studies found in the literature for comparing the performance of the two ultrasound scanners.  ... 
doi:10.5281/zenodo.2592442 fatcat:cijau57s5fckblbu6ytdrcgxbq

Prediction Based Collaborative Trackers (PCT): A Robust and Accurate Approach Toward 3D Medical Object Tracking

Lin Yang, Bogdan Georgescu, Yefeng Zheng, Yang Wang, Peter Meer, Dorin Comaniciu
2011 IEEE Transactions on Medical Imaging  
A novel onestep forward prediction is introduced to generate the motion prior using motion manifold learning.  ...  The 3D tracking performance is limited due to dramatically increased data size, landmarks ambiguity, signal drop-out or complex non-rigid deformation.  ...  Each 4D (x, y, z, t) motion sequence contains from 11 to 25 3D frames from one cardiac cycle. In total we have 1143 ultrasound 3D volumetric data.  ... 
doi:10.1109/tmi.2011.2158440 pmid:21642040 fatcat:zzo2vl7lrncyjebkfvu5vjhocy

Multimodality Imaging in Congenital Heart Disease: an Update

Uyen T. Truong, Shelby Kutty, Craig S. Broberg, David J. Sahn
2012 Current Cardiovascular Imaging Reports  
Acknowledgement We would like to thank the following contributors for providing us with images from their original research: Ling Li, Robin Shandas, Alex Barker, Kendall Hunter, and Thomas Fagan.  ...  STI imaging algorithms follow myocardial motion and are not angle-dependant.  ...  "Speckles" are natural acoustic markers in ultrasound image that are tracked from frame to frame in two dimensions.  ... 
doi:10.1007/s12410-012-9160-6 pmid:24900167 pmcid:PMC4032470 fatcat:tte6aywxpndi5a5ysd2q7zh2xq

Radial Basis Functions for Combining Shape and Speckle Tracking in 4D Echocardiography

Colin B. Compas, Emily Y. Wong, Xiaojie Huang, Smita Sampath, Ben A. Lin, Prasanta Pal, Xenophon Papademetris, Karl Thiele, Donald P. Dione, Mitchel Stacy, Lawrence H. Staib, Albert J. Sinusas (+2 others)
2014 IEEE Transactions on Medical Imaging  
Our method combines displacement information from shape tracking of myocardial boundaries (derived from B-mode data) with mid-wall displacements from radiofrequency-based ultrasound speckle tracking.  ...  We evaluate our methods on open-chest canines (N=8) and show that our combined approach is better correlated to magnetic resonance taggingderived strains than either individual method.  ...  Previous Work Motion tracking methods from ultrasound data have largely focused on correlation-based approaches.  ... 
doi:10.1109/tmi.2014.2308894 pmid:24893257 pmcid:PMC4283552 fatcat:bixtvchklvcofil2x67usicfyy

Review of ultrasound image guidance in external beam radiotherapy part II: intra-fraction motion management and novel applications

Tuathan O'Shea, Jeffrey Bamber, Davide Fontanarosa, Skadi van der Meer, Frank Verhaegen, Emma Harris
2016 Physics in Medicine and Biology  
Treatment planning and inter-fraction motion management Davide Fontanarosa, Skadi van der Meer, Jeffrey Bamber et al. 4D ultrasound speckle tracking of intra-fraction prostate motion: a phantom-based comparison  ...  Home Search Collections Journals About Contact us My IOPscience You may also be interested in: Review of ultrasound image guidance in external beam radiotherapy: I.  ...  Phys. 43 455-64 O'Shea T P, Garcia L J, Rosser K E, Harris E J, Evans P M and Bamber J C 2014 4D ultrasound speckle tracking of intra-fraction prostate motion: a phantom-based comparison with x-ray fiducial  ... 
doi:10.1088/0031-9155/61/8/r90 pmid:27002558 fatcat:gre3ehapbvgndgdma67fc4b4sq
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