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Friday, January 31, 2014
Portal Vein Input function (obtained automatically) was compared between:
a) Unregistered DCDI dataset
b) DCDI dataset registered for the whole liver (URAL-measure\Affine Transform)
difference is substantial, in line with the substantial motion across the axial plain which is eliminated as the result of the registration.
a) Unregistered DCDI dataset
b) DCDI dataset registered for the whole liver (URAL-measure\Affine Transform)
difference is substantial, in line with the substantial motion across the axial plain which is eliminated as the result of the registration.
Compared the Portal Vein Input Function derived from
a) Whole registered liver VS.
b) (starting from wholly registered liver) Local registration with the small ROI enveloping the Portal Vein.
There is small gross misregistration (during b.) on the initial timepoints due to the absence of features (contrast edges on early timepoint). But besides that there seems to be little difference between a) and b).
So in the initial DCDI modelling we will restrict to the Whole liver registration only.
a) Whole registered liver VS.
b) (starting from wholly registered liver) Local registration with the small ROI enveloping the Portal Vein.
There is small gross misregistration (during b.) on the initial timepoints due to the absence of features (contrast edges on early timepoint). But besides that there seems to be little difference between a) and b).
So in the initial DCDI modelling we will restrict to the Whole liver registration only.
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