Title :
Transmitting focused B1 field and SENSE reconstruction using an 8-element transceive torso phased array coil
Author :
Li, Bing Keong ; Crozier, Stuart ; Liu, Feng ; Gregg, Ian
Author_Institution :
Sch. of Inf. Technol. & Electr. Eng., Queensland Univ., Qld., Australia
Abstract :
In this work, a new design concept in chest imaging for MRI application is presented. A focused, 8-element transceive torso phased array coil is designed to investigate transmitting focused B1 field deep within the torso to enhance signal intensity and use in conjunction with SENSE reconstruction technique. Hybrid FDTD/MOM method is used to accurately predict the RF behavior inside the human torso. The simulation results reported herein demonstrate the feasibility of the design concept which shows that B1 field focusing with SENSE reconstruction is achievable, and the 8-element transceive torso phased array coil has the advantage to be used in transmit and receive mode for optimum and fast chest imaging.
Keywords :
biomedical MRI; coils; finite difference time-domain analysis; B/sub 1/ field; FDTD method; MRI application; SENSE reconstruction; chest imaging; human torso; signal intensity enhancement; transceive torso phased array coil; Coils; Finite difference methods; Focusing; Image reconstruction; Magnetic resonance imaging; Message-oriented middleware; Phased arrays; Signal design; Time domain analysis; Torso; B; SENSE; hybrid FDTD/MOM;
Conference_Titel :
Engineering in Medicine and Biology Society, 2004. IEMBS '04. 26th Annual International Conference of the IEEE
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-8439-3
DOI :
10.1109/IEMBS.2004.1403348