Convolutional Neural Network Combined with Half-Quadratic Splitting Method for Image Restoration

Table 3

Average PSNR/(dB) on CBSD68 dataset (colorful) of CBM3D and proposed.

Noise level	CBM3D	DnCNN	FFDNet	Proposed
Sigma10	35.90	36.03	36.10	36.06
Sigma20	31.89	32.25	32.29	32.27
Sigma30	29.72	30.19	30.21	30.22
Sigma40	28.08	28.78	28.82	28.85
Sigma50	27.37	27.75	27.79	27.86