Research Article

Segmentation of Striatal Brain Structures from High Resolution PET Images

Table 2

and ANAS values obtained from the average of the HRRT PET data. These measurements allow the similarity analysis between the automatic and manual segmentations.

mean ANAS

Caudate

LeftManual 0.78
LeftAutomatic

RightManual 0.84
RightAutomatic

AverageManual 0.81
AverageAutomatic

Putamen

LeftManual 0.89
LeftAutomatic

RightManual 0.90
RightAutomatic

AverageManual 0.90
AverageAutomatic

Ventral striatum

LeftManual 0.91
LeftAutomatic

RightManual 0.86
RightAutomatic

AverageManual 0.90
AverageAutomatic