Research Article
Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation
Figure 3
Using five kinds of dictionary learning algorithm for image denoising.
(a) Original Barbara image |
(b) SGK denoised image |
(c) DCT denoised image |
(d) Global denoised image |
(e) K-SVD denoised image |
(f) BM3D denoised image |