Table 1.

Estimated noise parameters for simulated noisy image in NSP and NSCT domains.

m	n	$\mathit{\alpha }{}_{\mathit{m},\mathit{n}}$	$\mathit{\sigma }{}_{\mathit{m},\mathit{n}}^2$
Full-band		0.085417	32.533870
0	NSP	0.065490	25.032060
1		0.015346	5.813242
2		0.003845	1.433520
0	0	0.008101	3.113986
	1	0.007989	3.066360
	2	0.008038	3.076296
	3	0.008290	3.192081
	4	0.008321	3.190195
	5	0.008037	3.071675
	6	0.008069	3.087203
	7	0.008573	3.265702
1	0	0.003774	1.424735
	1	0.003838	1.444526
	2	0.003820	1.466331
	3	0.003909	1.483386
2	0	0.001915	0.709337
	1	0.001930	0.725090