An Alternative Variational Framework for Image Denoising

Table 1

Numerical results for synthetic image (300×300) experiments.

Algorithm	Parameters			Number of steps	CPU time (sec)	PSNR	MAE	SSIM	PSNRE
	𝜎	𝐾	𝜏
PM	30	4	0.25	356	1.56	36.57	3.78	0.9817	25.06
TV	30		0.25	205	1.66	34.56	4.73	0.9725	14.75
D-𝛼-PM	30	1	0.25	40	2.33	37.2	3.18	0.9825	24.7
Our method	30	0.01	5	65	3.98	38.52	3.16	0.9905	24.90