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The appropriate equations to use are:
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(35) |
where
is the centre of the volume of interest; and are the
transformations (from initial to reference volume) that are being
compared. Furthermore, all transformations must be world to world coordinate
transformations.
Note that this implies the integration in the space of the reference volume.
To use the initial volume instead, then use , and use
as the world centre in the initial volume.
Mark Jenkinson
2003-02-11