Phase alignment of multiple surface coil data for reduced bandwidth and reconstruction requirements
Multiple element surface coils are often used in clinical MRI to increase the image signal-to-noise ratio (S/N). Use of multicoils typically requires increased net sampling bandwidth and data processing for each coil element. A phase-alignment technique is described which combines the signals from a...
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| Published in | Magnetic resonance in medicine Vol. 38; no. 6; p. 1003 |
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| Main Authors | , , |
| Format | Journal Article |
| Language | English |
| Published |
United States
01.12.1997
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| Subjects | |
| Online Access | Get more information |
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| Abstract | Multiple element surface coils are often used in clinical MRI to increase the image signal-to-noise ratio (S/N). Use of multicoils typically requires increased net sampling bandwidth and data processing for each coil element. A phase-alignment technique is described which combines the signals from all coil elements before image reconstruction, greatly relaxing the technical requirements of the standard multicoil methods. Hardware and software implementations allow reduction of the reconstruction requirement to that of a single coil. The hardware implementation additionally allows a significant reduction in the net sampling bandwidth. The method is applicable to high speed MRI techniques, as demonstrated in phantoms and volunteers. |
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| AbstractList | Multiple element surface coils are often used in clinical MRI to increase the image signal-to-noise ratio (S/N). Use of multicoils typically requires increased net sampling bandwidth and data processing for each coil element. A phase-alignment technique is described which combines the signals from all coil elements before image reconstruction, greatly relaxing the technical requirements of the standard multicoil methods. Hardware and software implementations allow reduction of the reconstruction requirement to that of a single coil. The hardware implementation additionally allows a significant reduction in the net sampling bandwidth. The method is applicable to high speed MRI techniques, as demonstrated in phantoms and volunteers. |
| Author | Felmlee, J P Debbins, J P Riederer, S J |
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| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/9402202$$D View this record in MEDLINE/PubMed |
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| CitedBy_id | crossref_primary_10_1016_S1090_7807_03_00132_0 crossref_primary_10_1007_BF02601847 crossref_primary_10_1016_j_mri_2017_02_009 crossref_primary_10_1007_BF02601842 crossref_primary_10_1016_j_jmr_2009_01_001 crossref_primary_10_1016_S0730_725X_98_00157_X crossref_primary_10_1002_jmri_20115 crossref_primary_10_1002_mrm_24883 crossref_primary_10_1002_cmr_b_21215 crossref_primary_10_1002_mrm_22496 crossref_primary_10_1002__SICI_1522_2594_200005_43_5_682__AID_MRM10_3_0_CO_2_G crossref_primary_10_1016_j_mri_2015_06_008 crossref_primary_10_1002_mrm_29789 crossref_primary_10_1002_jmri_26187 crossref_primary_10_1016_j_jmr_2016_10_006 crossref_primary_10_1002_nbm_3929 |
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| Snippet | Multiple element surface coils are often used in clinical MRI to increase the image signal-to-noise ratio (S/N). Use of multicoils typically requires increased... |
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| Title | Phase alignment of multiple surface coil data for reduced bandwidth and reconstruction requirements |
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