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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
Department:
Oxford, MPLS, Engineering Science
Role:
Author
Pages:
2080-2083
Publication date:
2008-01-01
DOI:
ISSN:
1051-0117
URN:
uuid:e686f5b2-ba97-4ca9-89ff-b4e6823dc84d
Source identifiers:
63718
Local pid:
pubs:63718
ISBN:
978-1-4244-2428-3

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