Noise Analysis for Multi-slice Radio Frequency Current Density Imaging
Radio frequency current density imaging (RF-CDI) is an imaging technique that measures current density distribution at the Larmor frequency utilizing magnetic resonance imaging (MRI). The multi-slice RF-CDI sequence has extended the ability of RF-CDI to image multiple slices and thus has enhanced it...
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| Veröffentlicht in: | 2006 International Conference of the IEEE Engineering in Medicine and Biology Society 2006, Vol.2006, p.1907-1910 |
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| container_title | 2006 International Conference of the IEEE Engineering in Medicine and Biology Society |
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| creator | Wang, D. DeMonte, T.P. Joy, M.L. Nachman, A.I. |
| description | Radio frequency current density imaging (RF-CDI) is an imaging technique that measures current density distribution at the Larmor frequency utilizing magnetic resonance imaging (MRI). The multi-slice RF-CDI sequence has extended the ability of RF-CDI to image multiple slices and thus has enhanced its capacity for biomedical applications. In this paper, the influence of MRI random noise on the sensitivity of multi-slice RF-CDI measurement is studied. The formula of current noise is derived, which is verified by both simulation and phantom experiments. A 3-D finite-difference time-domain (FDTD) model is employed to compute the electromagnetic fields in the simulation |
| doi_str_mv | 10.1109/IEMBS.2006.259255 |
| format | Article |
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The multi-slice RF-CDI sequence has extended the ability of RF-CDI to image multiple slices and thus has enhanced its capacity for biomedical applications. In this paper, the influence of MRI random noise on the sensitivity of multi-slice RF-CDI measurement is studied. The formula of current noise is derived, which is verified by both simulation and phantom experiments. 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A 3-D finite-difference time-domain (FDTD) model is employed to compute the electromagnetic fields in the simulation</description><subject>Biomedical imaging</subject><subject>Biomedical measurements</subject><subject>Computational modeling</subject><subject>Current density</subject><subject>Finite difference methods</subject><subject>Image analysis</subject><subject>Image Interpretation, Computer-Assisted - methods</subject><subject>Imaging, Three-Dimensional - methods</subject><subject>Magnetic noise</subject><subject>Magnetic resonance imaging</subject><subject>Magnetic Resonance Imaging - instrumentation</subject><subject>Magnetic Resonance Imaging - methods</subject><subject>Phantoms, Imaging</subject><subject>Plethysmography, Impedance - methods</subject><subject>Radio frequency</subject><subject>Radio Waves</subject><subject>Reproducibility of Results</subject><subject>Sensitivity and Specificity</subject><subject>Time domain analysis</subject><issn>1557-170X</issn><isbn>9781424400324</isbn><isbn>1424400325</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><sourceid>EIF</sourceid><recordid>eNo9z01Lw0AQBuAFFVtqf4AIsidvqTu7m_041tpqoVXwA7yFTTopK_mo2eSQf2-g1bnM4X14mSHkGtgMgNn79XL78D7jjKkZjy2P4zMytdqA5FIyJrg8J2OIYx2BZl8jMg3hmw0j7BDzSzICbaViWo_J6qX2Aem8ckUffKB53dBtV7Q-CoXPkL65na_pqsGfDqusp4uuabBq6SNWwbc9XZdu76v9FbnIXRFwetoT8rlafiyeo83r03ox30QetFZRxjgHJ3OjpY5FlqUAHHOZg1PWpZLnYIwShjubGhTS5c4pYzVmuRgQgJiQu2PvoamHi0KblD5kWBSuwroLiTJCARg2wNsT7NISd8mh8aVr-uTv8wHcHIFHxP9YSsUh5uIXeAdkxQ</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Wang, D.</creator><creator>DeMonte, T.P.</creator><creator>Joy, M.L.</creator><creator>Nachman, A.I.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>2006</creationdate><title>Noise Analysis for Multi-slice Radio Frequency Current Density Imaging</title><author>Wang, D. ; 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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Biomedical imaging Biomedical measurements Computational modeling Current density Finite difference methods Image analysis Image Interpretation, Computer-Assisted - methods Imaging, Three-Dimensional - methods Magnetic noise Magnetic resonance imaging Magnetic Resonance Imaging - instrumentation Magnetic Resonance Imaging - methods Phantoms, Imaging Plethysmography, Impedance - methods Radio frequency Radio Waves Reproducibility of Results Sensitivity and Specificity Time domain analysis |
| title | Noise Analysis for Multi-slice Radio Frequency Current Density Imaging |
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