Methods and apparatus for reducing artifacts in MRI images

Details Methods and apparatus for reducing artifacts in MRI images Methods and apparatus for reducing artifacts in MRI images

2007-02-27

2008-11-04

Vargas, Dixomara (Department: 2831)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

Reexamination Certificate

active

07446527

ABSTRACT:
With the object of enhancing image quality, a transmission sensitivity distribution calculating part calculates a transmission sensitivity distribution by a double flip angle method. Next, a threshold processing part threshold-processes the calculated transmission sensitivity distribution. Further, an image correcting unit corrects an actual scan image using the transmission sensitivity distribution subsequent to the threshold processing.

REFERENCES:
patent: 2006/0106299 (2006-05-01), Uchizono et al.
patent: 2007/0299332 (2007-12-01), Ikeda
patent: 2005-177240 (2005-07-01), None
patent: 2005237703 (2005-09-01), None
Jinghua Wang et al.; “In Vivo Method for Correcting Transmit/Receive Nonuniformities with Phased Array Coils”; http://www3.interscience.wiley.com; Abstract; 2005; 1 pg.
Hiroaki Mihara et al.; “A Method of RF Inhomogeneity Correction in MR Imaging”; http://www.sciencedirect.com; Abstract; Jan. 7, 1998; 2 pg.

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