Title :
New approach for data acquisition and image reconstruction in parallel magnetic resonance imaging
Author :
Mohamed, Haitham ; Gabr, Refaat E. ; Youssef, Abou-Bakr M. ; Kadah, Yasser M.
Author_Institution :
Biomed. Eng. Dept., Cairo Univ., Giza, Egypt
Abstract :
In this study, we propose a novel data acquisition and image reconstruction method for parallel magnetic resonance imaging (MRI). The proposed method improves the GRAPPA algorithm by simultaneously collecting data using the body coil in addition to localized surface coils. The body coil data is included in the GRAPPA reconstruction as an additional coil. The reconstructed body coil image shows greater uniformity over the field of view than the conventional sum-of-squares (SoS) reconstruction that is conventionally used with GRAPPA. The body coil image can also be used to correct for spatial inhomogeneity in the SoS image. The algorithm has been tested using numerical and real MRI phantom data.
Keywords :
biomedical MRI; image reconstruction; GRAPPA reconstruction algorithm; body coil data; data acquisition; image reconstruction; localized surface coil; parallel magnetic resonance imaging; spatial inhomogeneity; Biomedical computing; Biomedical engineering; Coils; Concurrent computing; Data acquisition; Data engineering; Image reconstruction; Image resolution; Magnetic resonance imaging; Radio frequency;
Conference_Titel :
Radio Science Conference, 2009. NRSC 2009. National
Conference_Location :
New Cairo
Print_ISBN :
978-1-4244-4214-0
