Figure 1
From: Impulse Noise Filtering Using Robust Pixel-Wise S-Estimate of Variance

Pixel-wise S-estimation of the variance for Lena image corrupted with 15% of mixed impulse noise.
From: Impulse Noise Filtering Using Robust Pixel-Wise S-Estimate of Variance
Pixel-wise S-estimation of the variance for Lena image corrupted with 15% of mixed impulse noise.