Speckle tracking methods for ultrasonic elasticity imaging using short-time correlation
In ultrasound elasticity imaging, strain decorrelation is a major source of error in displacements estimated using correlation techniques. This error can be significantly decreased by reducing the correlation kernel. Additional gains in signal-to-noise ratio (SNR) are possible by filtering the corre...
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| Veröffentlicht in: | IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 1999-01, Vol.46 (1), p.82-96 |
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| container_title | IEEE transactions on ultrasonics, ferroelectrics, and frequency control |
| container_volume | 46 |
| creator | Lubinski, M.A. Emelianov, S.Y. O'Donnell, M. |
| description | In ultrasound elasticity imaging, strain decorrelation is a major source of error in displacements estimated using correlation techniques. This error can be significantly decreased by reducing the correlation kernel. Additional gains in signal-to-noise ratio (SNR) are possible by filtering the correlation functions prior to displacement estimation. Tradeoffs between spatial resolution and estimate variance are discussed, and estimation in elasticity imaging is compared to traditional time-delay estimation. Simulations and experiments on gel-based phantoms are presented. The results demonstrate that high resolution, high SNR strain estimates can be computed using small correlation kernels (on the order of the autocorrelation width of the ultrasound signal) and correlation filtering. |
| doi_str_mv | 10.1109/58.741427 |
| format | Article |
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This error can be significantly decreased by reducing the correlation kernel. Additional gains in signal-to-noise ratio (SNR) are possible by filtering the correlation functions prior to displacement estimation. Tradeoffs between spatial resolution and estimate variance are discussed, and estimation in elasticity imaging is compared to traditional time-delay estimation. Simulations and experiments on gel-based phantoms are presented. The results demonstrate that high resolution, high SNR strain estimates can be computed using small correlation kernels (on the order of the autocorrelation width of the ultrasound signal) and correlation filtering.</description><identifier>ISSN: 0885-3010</identifier><identifier>EISSN: 1525-8955</identifier><identifier>DOI: 10.1109/58.741427</identifier><identifier>PMID: 18238401</identifier><identifier>CODEN: ITUCER</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Acoustic signal processing ; Acoustical measurements and instrumentation ; Acoustics ; Biological and medical sciences ; Capacitive sensors ; Decorrelation ; Elasticity ; Exact sciences and technology ; Filtering ; Fundamental areas of phenomenology (including applications) ; High-resolution imaging ; Investigative techniques, diagnostic techniques (general aspects) ; Kernel ; Medical sciences ; Miscellaneous. 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This error can be significantly decreased by reducing the correlation kernel. Additional gains in signal-to-noise ratio (SNR) are possible by filtering the correlation functions prior to displacement estimation. Tradeoffs between spatial resolution and estimate variance are discussed, and estimation in elasticity imaging is compared to traditional time-delay estimation. Simulations and experiments on gel-based phantoms are presented. The results demonstrate that high resolution, high SNR strain estimates can be computed using small correlation kernels (on the order of the autocorrelation width of the ultrasound signal) and correlation filtering.</description><subject>Acoustic signal processing</subject><subject>Acoustical measurements and instrumentation</subject><subject>Acoustics</subject><subject>Biological and medical sciences</subject><subject>Capacitive sensors</subject><subject>Decorrelation</subject><subject>Elasticity</subject><subject>Exact sciences and technology</subject><subject>Filtering</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>High-resolution imaging</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Kernel</subject><subject>Medical sciences</subject><subject>Miscellaneous. Technology</subject><subject>Physics</subject><subject>Signal to noise ratio</subject><subject>Spatial resolution</subject><subject>Speckle</subject><subject>Ultrasonic imaging</subject><subject>Ultrasonic investigative techniques</subject><issn>0885-3010</issn><issn>1525-8955</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0T1PwzAQBmALgWgpDKwMKAMCMaTYju04I6r4kioxAGKMXOfSmiZxsZ2h_55EjegGiy3Zj-5O9yJ0TvCUEJzdcTlNGWE0PUBjwimPZcb5IRpjKXmcYIJH6MT7L4wJYxk9RiMiaSIZJmP0-bYBva4gCk7ptWmWUQ1hZQsfldZFbdU9e9sYHUGlfDDahG1karXsZev706-sC3EwNUTaOte5YGxzio5KVXk4G-4J-nh8eJ89x_PXp5fZ_TzWjMsQd9OqUgmmiaKLRQFCZhnHXDJCqWRpiinBoDMuNae6AK6VykTJlZCMF1CoZIJudnU3zn634ENeG6-hqlQDtvV5mjAiM5HgTl7_KakUVNBU_A9TQpnAtIO3O6id9d5BmW9ctxu3zQnO-2ByLvNdMJ29HIq2ixqKvRyS6MDVAJTXqiqdarTxeyd42tsJutgxAwC_v0OTH39JnVs</recordid><startdate>199901</startdate><enddate>199901</enddate><creator>Lubinski, M.A.</creator><creator>Emelianov, S.Y.</creator><creator>O'Donnell, M.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>199901</creationdate><title>Speckle tracking methods for ultrasonic elasticity imaging using short-time correlation</title><author>Lubinski, M.A. ; Emelianov, S.Y. ; O'Donnell, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c458t-152afa64c1a2bbde68995058412284770210ec958c52cde5caa96f5a6845deda3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Acoustic signal processing</topic><topic>Acoustical measurements and instrumentation</topic><topic>Acoustics</topic><topic>Biological and medical sciences</topic><topic>Capacitive sensors</topic><topic>Decorrelation</topic><topic>Elasticity</topic><topic>Exact sciences and technology</topic><topic>Filtering</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>High-resolution imaging</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Kernel</topic><topic>Medical sciences</topic><topic>Miscellaneous. Technology</topic><topic>Physics</topic><topic>Signal to noise ratio</topic><topic>Spatial resolution</topic><topic>Speckle</topic><topic>Ultrasonic imaging</topic><topic>Ultrasonic investigative techniques</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lubinski, M.A.</creatorcontrib><creatorcontrib>Emelianov, S.Y.</creatorcontrib><creatorcontrib>O'Donnell, M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>IEEE transactions on ultrasonics, ferroelectrics, and frequency control</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lubinski, M.A.</au><au>Emelianov, S.Y.</au><au>O'Donnell, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Speckle tracking methods for ultrasonic elasticity imaging using short-time correlation</atitle><jtitle>IEEE transactions on ultrasonics, ferroelectrics, and frequency control</jtitle><stitle>T-UFFC</stitle><addtitle>IEEE Trans Ultrason Ferroelectr Freq Control</addtitle><date>1999-01</date><risdate>1999</risdate><volume>46</volume><issue>1</issue><spage>82</spage><epage>96</epage><pages>82-96</pages><issn>0885-3010</issn><eissn>1525-8955</eissn><coden>ITUCER</coden><abstract>In ultrasound elasticity imaging, strain decorrelation is a major source of error in displacements estimated using correlation techniques. This error can be significantly decreased by reducing the correlation kernel. Additional gains in signal-to-noise ratio (SNR) are possible by filtering the correlation functions prior to displacement estimation. Tradeoffs between spatial resolution and estimate variance are discussed, and estimation in elasticity imaging is compared to traditional time-delay estimation. Simulations and experiments on gel-based phantoms are presented. The results demonstrate that high resolution, high SNR strain estimates can be computed using small correlation kernels (on the order of the autocorrelation width of the ultrasound signal) and correlation filtering.</abstract><cop>New York, NY</cop><pub>IEEE</pub><pmid>18238401</pmid><doi>10.1109/58.741427</doi><tpages>15</tpages></addata></record> |
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| identifier | ISSN: 0885-3010 |
| ispartof | IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 1999-01, Vol.46 (1), p.82-96 |
| issn | 0885-3010 1525-8955 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acoustic signal processing Acoustical measurements and instrumentation Acoustics Biological and medical sciences Capacitive sensors Decorrelation Elasticity Exact sciences and technology Filtering Fundamental areas of phenomenology (including applications) High-resolution imaging Investigative techniques, diagnostic techniques (general aspects) Kernel Medical sciences Miscellaneous. Technology Physics Signal to noise ratio Spatial resolution Speckle Ultrasonic imaging Ultrasonic investigative techniques |
| title | Speckle tracking methods for ultrasonic elasticity imaging using short-time correlation |
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