Detecting Steganography of Adaptive Multirate Speech with Unknown Embedding Rate

Table 7

The areas under the ROC curves for detecting the existing steganographic methods.

Steganographic method	Embedding rate	AUC
		GC-M	GC-U	DST	SC
Geiser’s method	30%	0.807738	0.867176	0.870095	0.864861
	60%	0.956495	0.991041	0.991186	0.990635
	100%	0.991904	0.999748	0.999778	0.999790
Miao’s method	30%	0.688343	0.754481	0.759237	0.752387
	60%	0.843580	0.937296	0.939769	0.941201
	100%	0.948847	0.995716	0.995116	0.995560
Miao’s method	30%	0.823086	0.871535	0.876069	0.871058
	60%	0.957053	0.989038	0.989208	0.989506
	100%	0.993139	0.999892	0.999890	0.999966
Miao’s method	30%	0.932302	0.957791	0.959466	0.958470
	60%	0.995550	0.999243	0.999135	0.999204
	100%	0.999875	1.000000	1.000000	1.000000