Research Article
Automatic Extraction of Blood Vessels in the Retinal Vascular Tree Using Multiscale Medialness
Figure 4
Original images (a) and the corresponding images with additive Gaussian noise (b); denoised images: best result with GF (c), best result with MF (d), best result with PM filter (e), and best result with directional anisotropic diffusion filter (f).
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