New Framework of Self-Embedding Fragile Watermarking Based on Reference Sharing Mechanism

Table 4

PSNR_r of experimental images under different given γ (dB).

γ	25%	30%	40%	50%	60%	70%	80%
Lena	36.39	36.06	34.70	33.95	32.92	31.38	29.78
Baboon	36.36	34.82	30.82	29.06	26.79	25.11	22.69
Peppers	36.36	35.90	34.62	33.86	32.14	30.51	28.57
Lake	36.36	35.66	33.57	32.72	30.75	28.70	26.59
Boat	36.36	36.10	34.55	33.79	31.99	30.19	28.05
Crowd	36.21	35.81	34.47	33.62	31.55	29.50	26.90
Average	36.34	35.81	33.91	32.55	29.49	27.08	25.04