Research Article
Normal Inverse Gaussian Model-Based Image Denoising in the NSCT Domain
Figure 3
Fragments of noisy (, PSNR = 20.18 dB) Barbara image and corresponding estimates with different methods.
(a) Noise-free image |
(b) BivShrink |
(c) BLS-GSM |
(d) SA-DCT |
(e) K-SVD |
(f) Ram’s |
(g) BM3D |
(h) Proposed |