Table 4 The precisions of optic cup segmentation with different size of structuring element used in the morphometric operations
From: An efficient optic cup segmentation method decreasing the influences of blood vessels
Image type | 2 × 2 pixels | 5 × 5 pixels | 10 × 10 pixels | 15 × 15 pixels |
|---|---|---|---|---|
Normal | 0.7950 ± 0.0600 | 0.8914 ± 0.0300 | 0.6964 ± 0.0600 | 0.5900 ± 0.1600 |
Glaucoma | 0.5753 ± 0.2000 | 0.7218 ± 0.0400 | 0.4415 ± 0.2100 | 0.2519 ± 0.1100 |