Automated Segmentation Methods of Drusen to Diagnose Age-Related Macular Degeneration Screening in Retinal Images

Figure 3

Examples of results before and after applying a small mask-sized median filter for noise reduction. In (a), a salt-type noise is shown where the arrow points, but in (b) the noise is removed and it is invisible. (a) The image before applying median filter; (b) the image after applying median filter.

(a)

(b)