Docteur de l'université Automatic Segmentation and Shape Analysis ...

104 Chapter 4 Statistical shape model of Hippocampus
RMS (mm)
Hausdorff distance (mm)
0.1 0.2 0.3 0.4 0.5
0.5 1.0 1.5 2.0 2.5
●
●
●
●
●
●
●
●
●
●
●
●
●
●
0.0 0.2 0.4 0.6 0.8 1.0 1.2
●
●
●
●
●
●
●
●
β
(a) RMS error
●
●
●
●
●
●
● ●
0.0 0.2 0.4 0.6 0.8 1.0 1.2
β
(b) Hausdorff distance
Figure 4.12: The precision of the model reconstruction with the estimated
shape parameter. The errors were measured on the average of 40 unseen cases
in the testing set. Black: Asymmetric estimator; red: symmetric estimator.
●
●
●
●
●
●
●
●
●
●