Research Article
Retinal Image Denoising via Bilateral Filter with a Spatial Kernel of Optimally Oriented Line Spread Function
Table 2
Quantitative results in preserving bifurcated vascular structure.
| Image in Figure 5 | Se | Sp | Acc | AUC | DC |
| (b) Bifurcated vessel image | 1 | 1 | 1 | 1 | 1 | (c) Result of BLF | 0.871 | 0.994 | 0.993 | 0.935 | 0.925 | (d) Result of our method | 0.933 | 0.998 | 0.951 | 0.966 | 0.966 |
| (f) Noisy bifurcated vessel image | 0.836 | 0.998 | 0.864 | 0.918 | 0.911 | (g) Result of BLF | 0.812 | 0.998 | 0.840 | 0.906 | 0.896 | (h) Result of our method | 0.908 | 0.998 | 0.955 | 0.953 | 0.948 |
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