NDLI: K2. Motion Estimation for Ultrasound Elastography U sing Optimized Block Matching with Lateral Continuity Correction

Content Provider	IEEE Xplore Digital Library
Author	Hussein, M.H. Kadah, Y.M.
Copyright Year	2013
Description	Author affiliation: Biomedical Engineering Department, Cairo University, Giza, Egypt (Hussein, M.H.; Kadah, Y.M.)
Abstract	The displacement estimation phase in ultrasound elastography is similar to the motion estimation problem in the video compression domain. Block matching can then be applied to successive ultrasound radio rrequency frames to get displacement fjelds. We utilize the inherent continuity in the soft tissue to apply an optimized version of exhaustive block matching to elasticity phantoms to generate displacement fjelds. Furthermore, we impose lateral continuity on displacements of each row in the reference image to remove false peaks in the optimized exhaustive search. Application of Linear least squares differentiation to the resultant axial displacement fjeld yields promising results. The resultant strain fjeld is comparable to a published result. We present quantitative assessment for the resulting displacement fields and the runtime of the motion estimation algorithms.
Starting Page	503
Ending Page	509
File Size	1536280
Page Count	7
File Format	PDF
ISBN	9781467362191
e-ISBN	9781467362221
DOI	10.1109/NRSC.2013.6587957
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-04-16
Publisher Place	Egypt
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	lateral continuity correction (LCC). Ultrasound (US) elastography motion estimation displacement jield block matching algorithms(BMAs) exhaustive search (ES)
Content Type	Text
Resource Type	Article

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