Retinal Image Denoising via Bilateral Filter with a Spatial Kernel of Optimally Oriented Line Spread Function

Figure 9

Vessel detection results with different strategies. (a) Original retinal image. (b) Green channel image of (a). (c) Ground truth vascular structures. (d) Vessel detection result of Frangi’s filter. (e) Vessel detection result of BLF and Frangi’s filter. (f) Vessel detection result of our method and Frangi’s filter.

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