Research Article
Retinal Fundus Image Enhancement Using the Normalized Convolution and Noise Removing
Table 3
The comparison of CII and
r with different methods on images shown in Figure
9.
| | Image | Evaluation measures | HE | CLAHE | Method in [7] | Method in [9] | The proposed method |
| | 1st in column (a) | CII | 1.2610 | 1.9859 | 3.0856 | 1.3910 | 4.6879 | | 0.5189 | 0.4203 | 0.1781 | 0.6664 | 0.2845 |
| | 2nd in column (a) | CII | 2.1659 | 2.1467 | 2.8935 | 1.5957 | 5.1086 | | 0.5196 | 0.5660 | 0.2247 | 0.6549 | 0.4306 |
| | 3rd in column (a) | CII | 1.8862 | 1.7994 | 2.9650 | 1.7290 | 4.9442 | | 0.5196 | 0.5607 | 0.1294 | 0.6735 | 0.3019 |
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