NDLI: Velocity-aided cardiac segmentation

Content Provider	IEEE Xplore Digital Library
Author	Jinsoo Cho Brummer, M. Benkeser, P.J.
Copyright Year	2003
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA (Jinsoo Cho)
Abstract	Segmentation of myocardial boundaries, especially the endocardial boundary, in images from magnetic resonance imaging (MRI) often suffers from flow-related signal loss, partial volume effects, and the presence of papillary muscles. To address these problems, a velocity-aided cardiac segmentation method based a modified active contour model with the orientation gradient force has been developed. Unlike other MRI cardiac segmentation methods based on active contour models, the velocity images from phase contrast MRI, together with the magnitude images, were used to derive an additional external force from the orientation gradient. The velocity images were also used to track the initial seed contours throughout the entire cardiac cycle to reduce the propagation of errors in sequential segmentation. The linear correlation coefficients and boundary matching descriptors of segmented boundaries were calculated relative to manually segmented reference boundaries to assess the accuracy of this method. Results of segmentation of the endocardial boundaries were encouraging in both individual frame segmentation and sequential frame segmentation.
Sponsorship	Whitaker Found
Starting Page	622
Ending Page	625
File Size	516454
Page Count	4
File Format	PDF
ISBN	0780377893
ISSN	1094687X
DOI	10.1109/IEMBS.2003.1279830
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-09-17
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic resonance imaging Image segmentation Active contours Myocardium Biomedical engineering Radiology Muscles Image edge detection Biomedical computing Cardiac disease
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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