Title :
MRI data acquisition and image reconstruction from multiple, non-interacting receiver coils
Author_Institution :
Radiol. Imaging Lab., California Univ., San Francisco, CA, USA
Abstract :
A previously published acquisition and reconstruction method for magnetic resonance imaging (MRI) which allows for a reduction in the number of phase encoding acquisitions in an imaging sequence without reducing either resolution or field of view is described. Two (or more) noninteracting receiver coils simultaneously detect signals from the same tissue, and data from each of the receiver channels are separately recorded. An imaging sequence uses phase encoded echoes in the usual sense, but the reconstruction effectively calculates multiple Fourier projections of the tissue from one echo. An implementation with two receiver coils can reduce the number of needed phase encoded acquisitions by 50%. The reconstruction algorithm is analyzed, the signal-to-noise ratio is calculated, and artifacts are discussed. The technique has not yet been implementated
Keywords :
biomedical NMR; data acquisition; patient diagnosis; MRI data acquisition; MRI image reconstruction; magnetic resonance imaging; medical diagnostic imaging; multiple noninteracting receiver coils; phase encoded acquisitions; phase encoded echoes; reconstruction algorithm; signal-to-noise ratio; Algorithm design and analysis; Coils; Data acquisition; Image reconstruction; Image resolution; Magnetic resonance imaging; Reconstruction algorithms; Signal analysis; Signal detection; Signal resolution;
Conference_Titel :
Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in
Conference_Location :
Seattle, WA
DOI :
10.1109/IEMBS.1989.95895
