Improved Multiscale Learning Dictionary Image Denoising Algorithm in Curved Wave Domain

Figure 4

Results of different de-noising methods. (a) Results of K-SVD filtering and de-noising. (b) Bilateral filtering de-noising results. (c) Nonlocal mean filtering results. (d) The result of a curvilinear wave transforms de-noising. (e) De-noising results of the BM3D method. (f) De-noising results of the method in the literature [13]. (g) De-noising results of the method in the literature [14]. (h) De-noising results of the method in the literature [15]. (i) The de-noising results of the method in this paper.

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