Edge-Detection in Noisy Images Using Independent Component Analysis

Figure 6

Application of the proposed approach to gray-scale images with step size of 1.

(a) Original image

(b) Image with 3 dB Gaussian noise

(c) Edge-detection using NLMCanny

(d) Edge-detection using the proposed approach

(e) Original image

(f) Image with 3 dB Gaussian noise

(g) Edge-detection using NLMCanny

(h) Edge-detection using the proposed approach

(i) Original image

(j) Image with 3 dB Gaussian noise

(k) Edge-detection using NLMCanny

(l) Edge-detection using the proposed approach