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

Table 5

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

γ	25%	30%	40%	50%	60%	70%	80%
Lena	39.46	36.99	33.52	32.71	31.74	30.34	29.04
Baboon	39.20	33.26	27.77	26.55	24.80	23.68	21.77
Peppers	39.47	36.50	33.41	32.58	30.77	29.38	27.77
Lake	39.45	35.59	31.60	30.97	29.13	27.42	25.73
Boat	39.44	37.20	33.26	32.45	30.58	29.03	27.24
Crowd	39.69	36.71	33.30	32.32	30.10	28.29	26.06
Average	39.56	36.42	32.38	30.98	27.83	25.77	24.78