Smooth Adaptation by Sigmoid Shrinkage

EURASIP Journal on Image and Video Processing

Table 3 Variances (based on 25 noise realizations) for the optimal SURE SigShrink parameters whose means are given in Table 2.

Image	"House"	"Peppers"	"Barbara"	"Lena"	"Flinstones"	"Fingerprint"	"Boat"	"Barco"

Var :	0.1550	0.2625	0.0877	0.0592	0.0002	0.0004	0.0642	0.2138
Var :	0.0932	0.2204	0.0591	0.0209	0.0015	0.0017	0.1454	0.1500

Var :	0.4569	0.2777	0.0468	0.1946	0.0722	0.0297	0.0478	0.5645
Var :	0.0002	0.0001	0.0003	0.0011	0.0003	0.0003	0.0018	0.0001

Var :	0.4858	0.3753	0.0968	0.1594	0.0433	0.0586	0.1100	0.6510
Var :	0.6270	0.1439	0.0504	0.1215	0.0184	0.0227	0.0452	0.3095

Var :	0.7011	0.3639	0.1123	0.2463	0.0662	0.1041	0.0982	0.8360
Var :	0.9610	0.4325	0.1219	0.1720	0.2287	0.0445	0.1570	0.7928