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Measuring Transformation Error by RMS Deviation
FMRIB Technical Report TR99MJ1
Mark Jenkinson
Oxford Centre for Functional Magnetic Resonance Imaging of the Brain (FMRIB),
Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital,
Headley Way, Headington, Oxford, UK
Abstract:
This report describes the RMS deviation measure used to calculate the
average difference between two affine transformations. The measure is
easy to calculate (a few simple matrix products and a trace) and gives
an estimate in real units (mm) of the difference in transformations.
Mark Jenkinson
2003-02-11