Image Denoising Using Total Variation Model Guided by Steerable Filter

Table 1

Parameters for the nine models.

Method	Time step	𝑘/lambda	Iteration number/time in second
			Figure 3	Figure 4	Figure 5
You-Kaveh	0.2	3	474/81.2	514/1367.9	482/176.3
TV model	0.2	0.01	99/14.2	91/177.6	90/28.9
PM model	0.2	3	147/14.2	215/282.5	208/42.4
ATV	0.1	1	29/6.5	15/35.1	12/5.8
STV	0.1	1	81/12.4	28/53.1	24/8.1
DED	0.1	—	1876/241.0	3500/5230	4100/1118
Hajiaboli	0.03	7	570/30.8	160/175.3	160/29.4
LARK	Default as in the package		7/192.1	9/1844.2	9/473.1
BM3D	Default as in the package		2.4	13.5	3.5