Table 3: Segmentation measure results (error rate).

CT imageThe edge-based active model The region-based active modeThe classical integrated active contour model The proposed active contour model

GGO pulmonary nodule0.210.260.160.11 FIACM-based segmentation
Juxtavascular pulmonary nodule0.210.290.190.13FIACM-based segmentation + PMM-based refinement