<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">Hi All,</p>
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<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">I have performed some deformable registrations of the brain with BSpline and Mattes Mutual Information.</p>
<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">The moving image is a CT and the fixed is MRI.</p>
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<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">What i have found is that independently on the goodness of the registration, the bone tissue of the registered CT is always underestimated in HU (more than 10%) and the soft tissue is lightly overestimated in HU (around 4-5%).</p>
<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">Did anybody find my same result? what is the reason?</p>
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<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">Thanks for any ideas.</p>
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<p style="margin: 0.0px 0.0px 0.0px 0.0px; font: 16.0px Arial">Serena.<span style="font: 18.0px Arial"> </span></p>