Mathematical Problems in Engineering / 2018 / Article / Fig 5

Research Article

Image Denoising Algorithm Combined with SGK Dictionary Learning and Principal Component Analysis Noise Estimation

Figure 5

Comparison of five kinds of algorithms.
(a) Original Lena image
(b) PCA + SGK
(c) Kurtosis + SGK
(d) Mode + SGK
(e) Med + SGK
(f) Min + SGK