Two New Efficient Iterative Regularization Methods for Image Restoration Problems

Table 2

Image deblurring using LSQR and IDR(𝑠) for “Lena” (𝜎=1.5).

	𝛿=10^−2			𝛿=10^−3			𝛿=10^−4
	Iter	MV	REN	Iter	MV	REN	Iter	MV	REN
LSQR	12	24	0.0919	58	116	0.0670	329	658	0.0486
IDR(𝑠)	6	6	0.1344	36	36	0.7551	40	40	0.0488