Edge Detection in Presence of Impulse Noise - Advances in Image and Graphics Technologies - page 16

(a) Original image (b) SB (c) AT

(d) Original image (e) SB (f) AT

(g) Original image (h) SB (i) AT

Fig. 2. Comparisons of noisy images corrupted by salt and pepper noise with ˃ =0 . 04.
Column 1: original images with salt-pepper noise; Column 2: detected edges by the SB
algorithm; Column 3: detected edges by the AT algorithm.

the previous example. The original images and the detected results obtained by
the SB algorithm and the AT algorithm are shown in Fig. 2. Obviously, the SB
algorithm yields better results and the AT algorithm smoothes some details of
the edges.