Smart Switching Bilateral Filter with Estimated Noise Characterization for Mixed Noise Removal

Table 5

The values of and of (a) Gaussian noise environment and (b) salt-and-pepper noise, uniform impulse noise, and speckle noise environments.

(a)

Noise		SNR
		15; dB	20 dB	25 dB	30; dB	35 dB
Gaussian		59	36	16	6	3
		99	90	88	95	93

(b)

Noise
		10%	20%	30%	40%	50%
Salt-and-pepper		71	56	56	52	51
		90	85	94	87	90
Uniform impulse		58	42	32	34	44
		99	95	88	93	93
Speckle		198	263	270	265	272
		246	286	247	275	288