Steganography Algorithm Based on the Nonlocal Maximum Likelihood Noise Estimation for Mobile Applications

Table 4

MSE between the cover and the stego-image.

Test	Round	Red color channel	Green color channel	Blue color channel (%)	General
1	1	0.365856	0.325675	0.380532	0.357354
	2	0.758291	0.734674	0.729939	0.740968
	3	0.365821	0.325683	0.380537	0.357347
	4	0.758284	0.734668	0.729982	0.740978
2	1	0.423123	0.451900	0.449883	0.441635
	2	0.261577	0.257414	0.262264	0.260418
	3	0.423122	0.451886	0.449836	0.441615
	4	0.261567	0.257416	0.262247	0.260410
3	1	8.319886	8.328872	8.181875	8.276878
	2	3.189513	3.13534	3.124408	3.149753
	3	8.319661	8.329120	8.181615	8.276799
	4	3.189538	3.135373	3.124438	3.149783
4	1	6.777896	6.880593	6.890575	6.849688
	2	2.850955	2.735148	2.949328	2.845144
	3	6.777959	6.880584	6.890474	6.849672
	4	2.850997	2.735156	2.949315	2.845156
5	1	5.630324	5.569602	5.581381	5.593769
	2	3.001218	3.008714	3.038632	3.016188
	3	5.630263	5.569493	5.581288	5.593681
	4	3.001173	3.008617	3.038642	3.016144
6	1	1.362135	1.312413	1.223167	1.299238
	2	0.668241	0.627319	0.592154	0.629238
	3	1.362071	1.312585	1.223302	1.299319
	4	0.668210	0.627351	0.592130	0.629230
7	1	0.508318	0.468532	0.461859	0.479570
	2	0.332260	0.315941	0.311096	0.319766
	3	0.508345	0.468496	0.461882	0.479574
	4	0.332215	0.315927	0.311113	0.319752
8	1	4.661071	5.125930	4.435363	4.740788
	2	2.573647	3.008151	2.636386	2.739397
	3	4.661636	5.125854	4.435012	4.740834
	4	2.573647	3.008151	2.636386	2.739397
Average		2.60527563	2.64289306	2.57803253	2.60873384