A Joint Encryption and Reversible Data Hiding Scheme Based on Integer-DWT and Arnold Map Permutation

Table 3

Embedding rate and PSNR of different images (Miscellaneous gray level images).

Images		𝑞=1	𝑞=2	𝑞=4	𝑞=8	𝑞=16	𝑞=32
Airplane	ER	0.1227	0.3110	0.5071	0.6342	0.6988	0.7325
	PSNR	50.6757	46.8180	42.4507	38.5947	35.1570	32.2588
	Overhead	0	0	0	0	0	0
	PER	0.1227	0.3110	0.5071	0.6342	0.6988	0.7325
Baboon	ER	0.0252	0.0754	0.1702	0.3211	0.4961	0.6421
	PSNR	50.5954	46.0404	40.1840	34.7072	30.0631	26.4306
	Overhead	19	36	65	138	237	433
	PER	0.0251	0.0753	0.1700	0.3206	0.4953	0.6405
Barbara	ER	0.0604	0.1704	0.3350	0.4932	0.6047	0.6852
	PSNR	50.6255	46.3325	41.0880	36.3009	32.0515	28.5263
	Overhead	0	0	0	0	19	219
	PER	0.0604	0.1704	0.3350	0.4932	0.6046	0.6484
Boat	ER	0.0857	0.2367	0.4296	0.5819	0.6791	0.7295
	PSNR	50.6239	46.5614	41.8009	37.5187	33.8471	31.0650
	Overhead	1	1	1	1	2	38
	PER	0.0857	0.2367	0.4296	0.5819	0.6791	0.7294
Lena	ER	0.0837	0.2239	0.4304	0.6117	0.7031	0.7390
	PSNR	50.7225	46.5535	41.7346	37.8432	34.8781	32.7376
	Overhead	0	0	0	0	0	5
	PER	0.0837	0.2239	0.4304	0.6117	0.7031	0.7390
Peppers	ER	0.0673	0.1924	0.3838	0.5833	0.6995	0.7379
	PSNR	50.6647	46.4457	41.5086	37.5847	34.8350	32.8801
	Overhead	30	92	183	545	1119	1826
	PER	0.0672	0.1921	0.3810	0.5812	0.6952	0.7371