Normal Inverse Gaussian Model-Based Image Denoising in the NSCT Domain

Figure 7

Fragments of noisy (, PSNR = 20.18 dB) grayscale images and their corresponding estimates: (a) noisy images; (b) Ram’s results; (c) BM3D results; and (d) our proposed scheme’s results (PSNR scores are given below each image).

(a)

(b)

(c)

(d)