Research Article

Salt and Pepper Noise Removal with Noise Detection and a Patch-Based Sparse Representation

Figure 6

Reconstructed Boat images from 50% salt and pepper impulse noise. (a) Noise-free image, (b) noisy image, (c)–(i) reconstructed images using AMF, TV, Wavelet, PANO, TV-ND, Wavelet-ND, and PANO-ND, respectively.
682747.fig.006a
(a)
682747.fig.006b
(b)
682747.fig.006c
(c)
682747.fig.006d
(d)
682747.fig.006e
(e)
682747.fig.006f
(f)
682747.fig.006g
(g)
682747.fig.006h
(h)
682747.fig.006i
(i)