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A Model-Based Displacement Outlier Removal Algorithm for Ultrasonic Temperature Estimation

Abstract:

In using ultrasound echo strain to estimate temperature for monitoring HIFU thermal therapy, block matching algorithms are used to estimate the displacement over two image frames. However, due to the image distortion and artifacts over frames, the displacement will be estimated with outliers which will seriously bias echo strain estimation. This paper introduces a novel model-based algorithm to constrain the displacement estimation. The displacement is initially estimated using correlation an...

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Publication status:
Published

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Publisher copy:
10.1109/ULTSYM.2008.0514

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Institution:
University of Oxford
Division:
MPLS
Department:
Engineering Science
Role:
Author
Pages:
2080-2083
Host title:
2008 IEEE ULTRASONICS SYMPOSIUM, VOLS 1-4 AND APPENDIX
Publication date:
2008-01-01
DOI:
ISSN:
1051-0117
Source identifiers:
63718
ISBN:
9781424424283
Keywords:
Pubs id:
pubs:63718
UUID:
uuid:e686f5b2-ba97-4ca9-89ff-b4e6823dc84d
Local pid:
pubs:63718
Deposit date:
2013-11-16

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