A Lightweight Buyer-Seller Watermarking Protocol

Figure 7

The watermarked images generated by the seller (left column) and buyer (right column), respectively.

(a) 38.05 dB

(b) 56.97 dB

(c) 38.07 dB

(d) 54.86 dB

(e) 38.03 dB

(f) 54.97 dB

(g) 38.11 dB

(h) 54.17 dB