Improvements in ultrasound elastography using dynamic focusing
Many ultrasound elastograms are reconstructed from pre- and post-compression radiofrequency (RF) signals after beamforming using a single or a few focusing depths. This might limit the accuracy of the displacement estimates for elastography in the area far from the focusing depths. This article stud...
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| creator | Lertsilp, D. Umchid, S. Techavipoo, U. Thajchayapong, P. |
| description | Many ultrasound elastograms are reconstructed from pre- and post-compression radiofrequency (RF) signals after beamforming using a single or a few focusing depths. This might limit the accuracy of the displacement estimates for elastography in the area far from the focusing depths. This article studies the improvement of the elastograms reconstructed from the signals beamformed using a dynamic focusing scheme compared with a single focusing scheme. The results show that the elastograms reconstructed using the signals from the dynamic focusing scheme have higher signal-to-noise ratio (SNR e ) and contrast-to-noise ratio (CNR e ) than those from the single focusing scheme. |
| doi_str_mv | 10.1109/BMEiCon.2012.6172057 |
| format | Conference Proceeding |
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The results show that the elastograms reconstructed using the signals from the dynamic focusing scheme have higher signal-to-noise ratio (SNR e ) and contrast-to-noise ratio (CNR e ) than those from the single focusing scheme.</description><subject>CNR e</subject><subject>dynamic focusing</subject><subject>single focusing</subject><subject>SNR e</subject><subject>ultrasound elastography</subject><isbn>9781457721892</isbn><isbn>1457721899</isbn><isbn>9781457721908</isbn><isbn>1457721880</isbn><isbn>9781457721885</isbn><isbn>1457721902</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2012</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpNj8FKxDAURSMiKGO_QBf5gda8pG2SjaBlHAdG3Mx-eE1fx0ibDk0r9O8VnYV3czl3ceAydg8iAxD24flt7ashZFKAzErQUhT6giVWG8gLrSVYYS7_s7HymiUxfoqflGWRg7phj9v-NA5f1FOYIveBz900Yhzm0HDqME7DccTTx8Ln6MORN0vA3jveDu53uGVXLXaRknOv2P5lva9e0937Zls97VJvxZTWimrhTE7W2oIsKo1GSI3O6RzyGlt0QAYQtLLQKFcLlEIhtFYVbam0WrG7P60nosNp9D2Oy-F8Wn0DlQ5Mgg</recordid><startdate>201201</startdate><enddate>201201</enddate><creator>Lertsilp, D.</creator><creator>Umchid, S.</creator><creator>Techavipoo, U.</creator><creator>Thajchayapong, P.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201201</creationdate><title>Improvements in ultrasound elastography using dynamic focusing</title><author>Lertsilp, D. ; Umchid, S. ; Techavipoo, U. ; Thajchayapong, P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-b3eb0c84e9995e9a37a8027acc7414bafac1e81a17391d3cb0a203a1f935f6373</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2012</creationdate><topic>CNR e</topic><topic>dynamic focusing</topic><topic>single focusing</topic><topic>SNR e</topic><topic>ultrasound elastography</topic><toplevel>online_resources</toplevel><creatorcontrib>Lertsilp, D.</creatorcontrib><creatorcontrib>Umchid, S.</creatorcontrib><creatorcontrib>Techavipoo, U.</creatorcontrib><creatorcontrib>Thajchayapong, P.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lertsilp, D.</au><au>Umchid, S.</au><au>Techavipoo, U.</au><au>Thajchayapong, P.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Improvements in ultrasound elastography using dynamic focusing</atitle><btitle>The 4th 2011 Biomedical Engineering International Conference</btitle><stitle>BMEiCon</stitle><date>2012-01</date><risdate>2012</risdate><spage>225</spage><epage>228</epage><pages>225-228</pages><isbn>9781457721892</isbn><isbn>1457721899</isbn><eisbn>9781457721908</eisbn><eisbn>1457721880</eisbn><eisbn>9781457721885</eisbn><eisbn>1457721902</eisbn><abstract>Many ultrasound elastograms are reconstructed from pre- and post-compression radiofrequency (RF) signals after beamforming using a single or a few focusing depths. This might limit the accuracy of the displacement estimates for elastography in the area far from the focusing depths. This article studies the improvement of the elastograms reconstructed from the signals beamformed using a dynamic focusing scheme compared with a single focusing scheme. The results show that the elastograms reconstructed using the signals from the dynamic focusing scheme have higher signal-to-noise ratio (SNR e ) and contrast-to-noise ratio (CNR e ) than those from the single focusing scheme.</abstract><pub>IEEE</pub><doi>10.1109/BMEiCon.2012.6172057</doi><tpages>4</tpages></addata></record> |
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| subjects | CNR e dynamic focusing single focusing SNR e ultrasound elastography |
| title | Improvements in ultrasound elastography using dynamic focusing |
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