NDLI: 3D flow reconstruction from multiple registered echo doppler views

Content Provider	IEEE Xplore Digital Library
Author	Gomez, A. Simpson, J. Cheng Yao Schaeffter, T. Penney, G.
Copyright Year	2011
Description	Author affiliation: King's College of London, Division of Imaging Sciences, London, UK (Gomez, A.; Cheng Yao; Schaeffter, T.; Penney, G.) \|\| NHS Trust, Guy and St Thomas' Hospital, London, UK (Simpson, J.)
Abstract	We present a new method for reconstructing a 3D flow field from multiple 3D Pulsed Wave Doppler echo images. A weakness of Doppler imaging is that only a 1D projection of the true 3D velocity (parallel to the echo beam direction) is measured. We propose a method which uses registered multiple Doppler views to calculate 3D flow vectors using a Least Mean Squares (LMS) minimisation process. Flow is expressed in a B-Spline basis, which allows scalability, regularisation and incorporation of derivative-based physical constraints. We investigate the reconstruction accuracy with respect to the amount of regularisation. We report experiments on phantom data and real cardiac data from a healthy volunteer, where we reconstructed flow through mitral and aortic valves. Results show that 3D flow can be reconstructed with an accuracy of approximately 20% of the $95^{th}$ percentile of the velocity projection with our method.
Starting Page	879
Ending Page	882
File Size	1238681
Page Count	4
File Format	PDF
ISBN	9781424441273
ISSN	19457928
DOI	10.1109/ISBI.2011.5872544
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-30
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image reconstruction Three dimensional displays Doppler effect Spline Accuracy Phantoms Blood Registration Echocardiography Fluid Flow Measurement Flow Reconstruction Multiple Views
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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