Fast Total-Variation Image Deconvolution with Adaptive Parameter Estimation via Split Bregman Method

Table 1

ISNRs obtained by different methods.

BSNR	Method	Lena	Cameraman	Shepp-Logan
		ISNR (dB)	ISNR (dB)	ISNR (dB)
9 × 9 uniform blur
20	BFO [5]	4.05	3.27	6.25
	BMK [19]	3.72	2.42	3.01
	LLN [20]	3.15	2.88	—
	APE-SBA	4.09	3.88	7.60
30	BFO [5]	5.43	5.69	10.49
	BMK [19]	5.89	5.41	7.77
	LLN [20]	4.43	5.57	—
	APE-SBA	5.97	5.87	11.56
40	BFO [5]	6.22	8.46	16.39
	BMK [19]	8.42	8.57	13.69
	LLN [20]	6.92	7.86	—
	APE-SBA	8.11	8.60	17.80
9 × 9 Gaussian blur
20	BFO [5]	2.99	2.21	4.24
	BMK [19]	2.87	1.72	1.85
	LLN [20]	2.57	1.82	—
	APE-SBA	3.10	2.61	5.92
30	BFO [5]	3.82	3.59	7.21
	BMK [19]	3.87	2.63	4.31
	LLN [20]	4.17	3.43	—
	APE-SBA	4.20	4.17	8.87
40	BFO [5]	4.41	5.78	10.27
	BMK [19]	4.78	3.39	6.69
	LLN [20]	5.44	5.02	—
	APE-SBA	5.97	6.38	11.08