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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: Magn Reson Med. 2011 Dec 2;68(3):751–761. doi: 10.1002/mrm.23285

Figure 1.

Figure 1

Magnet coordinate system (subscript M) is defined relative to the gradient isocenter of the MR scanner (a). The subject coordinate system (subscript S) is defined relative to the subject anatomy. The subject coordinate system can be translated and rotated relative to the magnet coordinate system (b).