A Preconditioning Technique for First-Order Primal-Dual Splitting Method in Convex Optimization

Table 3

Performance comparison between Algorithms 1 and 4.

Image	Noise level	Methods
				Iter	SNR
“Barbara”		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4
“Boat”		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4
“Lena”		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4
		Algorithm 1
		Algorithm 4