Research Article

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

Figure 7

Random tampering and recovered results of Lena with different γ. (a) γ = 30%, PSNRr = 30.06 dB, and PSNRb = 36.99 dB. (b) γ = 60%, PSNRr = 32.92 dB, and PSNRb = 31.74 dB. (c) γ = 80%, PSNRr = 29.78 dB, and PSNRb = 29.04 dB.
(a)
(b)
(c)