Table 5 Segmentation measure results (error rate)
CT image | The edge-based active contour model | The region- based active contour model | The traditional integrated active contour model | The proposed active contour model |
|---|---|---|---|---|
GGO pulmonary nodule | Mean 0.31 Std. 0.11 | Mean 0.36 Std. 0.13 | Mean 0.36 Std. 0.09 | Mean 0.17 Std. 0.07 |
Juxta-vascular pulmonary nodule | Mean 0.32 Std. 0.13 | Mean 0.39 Std. 0.12 | Mean 0.29 Std. 0.12 | Mean 0.20 Std. 0.09 |
GGO Juxta-vascular nodule | Mean 0.43 Std. 0.12 | Mean 0.47 Std. 0.09 | Mean 0.41 Std. 0.13 | Mean 0.24 Std. 0.08 |