Fragile watermarking based on incomplete cryptography for copyright protection

Iwakiri, Munetoshi; Thanh, Ta Minh

doi:10.1186/s40535-015-0012-8

Applied Informatics

Table 4 PSNR [dB] and embedded bits (DCT coefficient)

From: Fragile watermarking based on incomplete cryptography for copyright protection

Method	Image	P	C	P ^′	Emb. [bit]	α
YDCT	Title	31.84	27.80	31.75	1024	0
	Lenna	32.37	26.93	32.32	1024	0
	Girl	32.71	26.65	32.63	1024	0
	Airplane	30.20	25.16	30.17	1024	0
	Parrots	34.25	27.98	34.16	1024	0
	Couple	34.06	25.77	33.96	1024	0
	Milkdrop	31.94	27.36	31.88	1024	0
	Mandrill	24.96	23.57	24.95	1024	0
	Lighthouse	32.67	27.59	32.59	1024	0
	Pepper	28.81	25.69	28.78	1024	0
	Party	35.16	27.85	35.05	49152	0
	Picnic	34.39	27.61	34.28	49152	0
	Portrait	35.99	27.58	35.86	49152	0
UVDCT	Title	31.84	26.72	31.71	512	0
	Lenna	32.37	27.48	32.65	512	0
	Girl	32.71	24.40	32.57	512	0
	Airplane	30.19	24.42	30.12	512	0
	Parrots	34.25	24.16	34.03	512	0
	Couple	34.06	19.07	33.85	512	0
	Milkdrop	31.94	27.51	31.81	512	0
	Mandrill	24.96	21.03	24.93	512	0
	Lighthouse	32.67	26.68	32.62	512	0
	Pepper	28.81	24.78	28.73	512	0
	Party	35.16	16.87	34.91	24576	0
	Picnic	34.39	20.39	34.17	24576	0
	Portrait	35.99	15.47	35.69	24576	0
YUVD	Title	31.84	26.80	31.74	1536	0
	Lenna	32.37	24.11	32.19	1536	0
	Girl	32.71	23.01	32.49	1536	0
	Airplane	30.20	22.19	30.09	1536	0
	Parrots	34.25	22.93	33.92	1536	0
	Couple	34.06	17.72	33.75	1536	0
	Milkdrop	31.94	24.65	31.75	1536	0
	Mandrill	24.96	20.35	24.92	1536	0
	Lighthouse	32.67	27.58	32.60	1536	0
	Pepper	28.81	23.75	28.71	1536	0
	Party	35.16	16.56	34.82	73728	0
	Picnic	34.39	19.19	34.05	73728	0
	Portrait	35.99	15.17	35.	73728	0
YADC	Title	31.84	28.33	31.60	4592	3
	Lenna	32.37	28.52	32.19	5156	3
	Girl	32.71	26.94	32.49	4975	3
	Airplane	30.20	26.09	30.11	4973	3
	Parrots	34.25	29.74	33.93	4872	3
	Couple	34.06	25.69	33.76	4756	3
	Milkdrop	31.94	27.69	31.72	4819	3
	Mandrill	24.96	24.40	24.92	5738	3
	Lighthouse	32.67	27.99	32.44	4935	3
	Pepper	28.81	26.70	28.72	5397	3
	Party	35.16	28.32	34.83	172976	3
	Picnic	34.39	27.94	34.08	211230	3
	Portrait	35.99	28.19	35.67	183472	3
ADCT	Title	31.84	28.33	31.60	4592	3
	Lenna	32.37	27.03	31.54	7015	3
	Girl	32.71	26.79	31.88	6507	3
	Airplane	30.20	25.99	29.77	6404	3
	Parrots	34.25	28.26	32.96	6702	3
	Couple	34.06	25.65	33.11	6082	3
	Milkdrop	31.94	25.29	31.14	6543	3
	Mandrill	24.96	23.96	24.76	7920	3
	Lighthouse	32.67	27.99	32.44	4935	3
	Pepper	28.81	25.26	28.34	7716	3
	Party	35.16	27.97	34.18	220517	3
	Picnic	34.39	27.35	33.33	273189	3
	Portrait	35.99	28.01	35.96	183472	3

Back to article page