DocumentCode :
3008461
Title :
Rapid magnetic resonance imaging using the Hankel tranform approach
Author :
Shenberg, Itzhak ; Macovski, Albert
Author_Institution :
Stanford University, Stanford, CA
Volume :
11
fYear :
1986
fDate :
31503
Firstpage :
1725
Lastpage :
1728
Abstract :
A novel magnetic resonance imaging system is explored which uses data collected in the presence of quadrature phase sinusoidal gradients along an excited plane. It is shown that the resulting magnetization signal (FID) is a sum of the Hankel transforms of the radial modulators of the imaged plane. An efficient processing system is suggested which extracts the different Hankel transforms from the received signal. These transforms are used to directly reconstructs the two dimensional (2-D) image using either 1-D inverse Hankel transforms or a 2-D inverse Fourier transform. The main advantages of the proposed system are the potential for rapid imaging (not discussed here), the ability to trade-off acquisition time and SNR and resonant gradient circuits.
Keywords :
Fourier transforms; Frequency; Image reconstruction; Information systems; Magnetic field measurement; Magnetic modulators; Magnetic resonance imaging; Magnetization; RLC circuits; Two dimensional displays;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '86.
Type :
conf
DOI :
10.1109/ICASSP.1986.1169190
Filename :
1169190
Link To Document :
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