Performance Evaluation of Noise Reduction Filters for Color Images through Normalized Color Difference (NCD) Decomposition

Figure 9

Test images corrupted by different amounts of Gaussian and impulse noise: (a) 𝜎=5, 𝑝=5%; (b) 𝜎=15, 𝑝=15%; (c) 𝜎=25, and 𝑝=25%.

(a)

(b)

(c)