| Noise reduction for ultrasonic elastography using transmit-side frequency compounding: a preliminary study. | |
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MedLine Citation:
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PMID: 21429843 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Ultrasonic elastography is an imaging technique providing information about the relative stiffness of biological tissues. In general, elastography suffers from noise artifacts, which degrade lesion detectability and increase the likelihood of misdiagnosis. This paper proposes a method called transmit- side frequency compounding for elastography (TSFC). Beamforming is modified to transmit frames with N alternating center frequencies. Pairs of frames with the same center frequency are used to calculate sub-elastograms that are then averaged to produce one compounded elastogram. Simulation results based on an uniformly elastic tissue model demonstrate the decorrelation among sub-elastograms and the improvement in elastographic signal-to-noise ratio (SNRe) achieved by compounding sub-elastograms. An elastic phantom experiment further validates the noise reduction obtained by the proposed technique. |
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Authors:
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Shaoguo Cui; Dong Liu |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: IEEE transactions on ultrasonics, ferroelectrics, and frequency control Volume: 58 ISSN: 1525-8955 ISO Abbreviation: IEEE Trans Ultrason Ferroelectr Freq Control Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-03-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9882735 Medline TA: IEEE Trans Ultrason Ferroelectr Freq Control Country: United States |
Other Details:
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Languages: eng Pagination: 509-16 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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