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SPATIAL INTENSITY CORRECTION FOR RF SHADING NON-UNIFORMITIES IN MRI
SPATIAL INTENSITY CORRECTION FOR RF SHADING NON-UNIFORMITIES IN MRI
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机译:MRI射频阴影非均匀性的空间强度校正
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摘要
An MRI MAP prescan data from a predetermined imaged patient volume is decomposed to produce a transmit RF field inhomogeneity map and a receive RF field inhomogeneity map for the imaged patient volume based on a three-dimensional geometrical model of the inhomogeneity maps. At least one of the transmit RF field inhomogeneity map and the receive RF field inhomogeneity map is used to generate intensity-corrected target MRI diagnostic scan image data representing the imaged patient volume.
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