A New Study of Blind Deconvolution with Implicit Incorporation of Nonnegativity Constraints

Table 1

Comparison of the new Algorithms 2 and 3. Clearly the slower Algorithm 2 gives better quality than Algorithm 3 (other CPU tests show that the latter is up to 6 times faster).

Test image	Blur type	Received		Algorithm 2		Algorithm 3
		PSNR	SNR	PSNR	SNR	PSNR	SNR
1	Out of focus	20.15	13.54	28.36	21.94	27.54	21.2
1	Gauss	7.88	−13.4	27.32	21.13	24.08	17.67
2	Out of focus	20.76	6.58	25.29	11.59	22.09	10.32
2	Gauss	12.61	−13.85	27.87	16.67	25.83	14.22
5	Out of focus	27.48	15.36	33.41	21.63	32.21	20.28
5	Gauss	7.65	−12.97	23.35	17.45	20.77	14.78