2002
DOI: 10.1117/12.462153
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<title>Correlation-tracking strain estimator for elastography</title>

Abstract: We describe a novel strain estimation method, which is capable of accurate strain estimation in the presence of large or irregular tissue motion. In conventional elastography, tissue strains induced by external compression applied to the tissue surface, are estimated by cross-correlation analysis of echo signals obtained before and after compression. Large and irregular tissue motions significantly change echo-signal shapes, causing major echo-signal decorrelations. In the presence of significant signal decorr… Show more

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References 27 publications
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