To quantify each local evolution, we fit a transformation with a few
parameters which give quantitative information on the evolution of the
process.
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The affine transformation found by fitting on the field around
a lesion gives an apparent good result when it is applied to the lesion
at time 1.
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Application of the field approximation by an affine transformation
on a 3D regular grid.
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Homothetic transformation
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The homothetic transformation found by fitting on the field around
a lesion gives an apparent good result when it is applied to the lesion
at time 1.
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Application of the field approximation by an homothetic transformation
on a 3D regular grid.
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Back to the diagram