Spatial intensity correction for RF shading non-uniformities in MRI
US8810242B2 · kind B2 · utility
4Cited by
15References
8Claims
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Key dates
| Filing date | Jul 15, 2011 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Sep 25, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R33/246
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.